Tender For Supply & Installation Of Air Handling Units (Ahu) To Critical Care Blocks At Ch Dehra In Himachal Pradesh
Tender Value
4.20 Crore
Estimated cost
Bid Submission
24 Sep 2026
4 days left
EMD
10.50 Lakhs
Bank guarantee accepted
Document Fee
2950
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Hamirpur → Himachal Pradesh
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Supply & Installation Of Air Handling Units (Ahu) To Critical Care Blocks At Ch Dehra In Himachal Pradesh
BOQ
| Sl. No. | Item Description |
| 1 | HVAC Works |
| 2 | Supply, Installation, Testing and Commissioning of Air-cooled VRV (Variable Refrigerant Volume) / VRF (Variable Refrigerant Flow) Outdoor units (ODU), suitable for Heating and Cooling, equipped with highly efficient, full DC inverter-driven Scroll compressors only, air- cooled heat exchanger having internally grooved copper tubes, and a low-noise condenser fan. The units should have auto-addressing, an auto-check function for connection errors, R-410A/R407C Refrigerant gas. The machine should be fitted with a Noise filter, High-Pressure Switch, Fan Driver Overload Protector, Over-Current Relay, Inverter Overload Protector etc.The outdoor unit and the rest of the indoor units shall remain in operating condition even when the main line power supply of one or more indoor units fails. The ODUs shall be provided with suitable vibration isolators. The system should operate up to a minimum ambient DB temperature of 52 degrees Celsius. The unit shall be equipped with an oil recovery system ensuring stable operation with long refrigeration piping lengths. The system must be provided with an oil balancing circuit to avoid poor lubrication. Compatibility with centralized control systems like BACnet, Lon Works, MODBUS is required.ODUs should be suitable for 3-phase, 415 V, 50Hz supply. along with suitable interconnecting control cabling between IDUs, ODUs, and the central controller, power cabling between ODU and Isolator, earthing with necessary supports between the isolator and single/multiple outdoor units, Pressure Testing, Additional refrigerant charging for commissioning, Vibration isolators etc along with all associated accessories, complete in all respects as per the consultant's approvalVRF ODU Machine ScheduleICU & HDU VRF Circuit: 18 HP OT VRF ODU: 16 HP (8HP+8HP) |
| 3 | Supply and installation of indoor Refnet / Y-joint separation tubes for refrigeration pipe joints and headers, in appropriate orientation to enable proper distribution of refrigerant. The distribution joints shall be factory insulated with pre-formed sections of expanded polystyrene or equivalent.. |
| 4 | Supply and installation of outdoor Refnet / Y-joint separation tubes for refrigeration pipe joints and headers, in appropriate orientation to enable proper distribution of refrigerant. The distribution joints shall be factory insulated with pre-formed sections of expanded polystyrene or equivalent.. |
| 5 | Supply, Installation, Testing, and Commissioning of centralized type remote controller, color touchscreen type with UPS battery backup, all-inclusive of necessary installation supports and wiring. The controller shall function as an advanced air conditioning management system, providing complete control of VRV/VRF air conditioning equipment (including connected air handling units (AHUs)). It shall offer user-friendly operation through its touchscreen, icon display, and color LCD display. The controller shall be compatible with BACnet, LonWorks, or Modbus interface. The controller shall control up to 64 groups of indoor units with the following functions: 1. Start/stop of air conditioners as a zone, group, or individual unit 2. Temperature setting for each indoor unit or zone 3. Switching between temperature control modes, fan speed adjustment, and airflow direction control, including enable/disable of individual remote controller operation 4. Monitoring of operation status, including operation mode, temperature settings of individual indoor units, maintenance information, and troubleshooting details 5. Scheduling indoor unit operating time 6. Displaying air conditioner operation history.. |
| 6 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/4 inch (6.35 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 7 | Supply, Installation, Testing, and Commissioning of theSoft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:3/8 inch (9.52 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 8 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/2 inch (12.7 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 9 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:5/8 inch (15.88 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 10 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:3/4 inch (19.05 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 11 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:7/8 inch (22.2 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 12 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1.0 inch (25.4 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 13 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/8 inch (28.6 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 14 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/4 inch (31.8 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 15 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-3/8 inch (34.9 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 16 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/2 inch (38.1 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 17 | Supply, installation, and testing of shielded copper flexible communication cabling between VRF indoor and outdoor units. The communication cable shall be routed through PVC conduits. The cable size shall be 2-core x 1.5 SQMM (or) as per VRF OEMs technical specifications.. |
| 18 | Supply, installation, testing, and commissioning of 25mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 19 | Supply, installation, testing, and commissioning of 32mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 20 | Supply, installation, testing, and commissioning of 40mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 21 | Supply, installation, testing, and commissioning of 5.5TR - 2200 CFM, 50mm E.S.P, VRF-compatible DX type recirculating factory-built AHUs with 2-stage filtration, 6-row Dx Copper Cooling/Heating coil, , double-skin AHU made of 50 mm thick panels consisting of 0.8 mm thick pre-coated GSS on outside, 0.8 mm thick Aluminum sheet inside with factory-injected PUF with a minimum density of 40 kg/m³. The AHU shall be ceiling-or floor-mounted type, single- or double-deck (as per site conditions) along with thermal-break aluminum extruded profile at corners and joints, complete with plug fan compatible with VFD as specified in the starter panel, suitable IE3 class (per IS 12615) TEFC drive motor with IP55 protection suited for 415 ± 10% volts, 50 Hz, 3-phase AC supply, minimum two-bend GSS/PVC eliminators, cooling coil section with aluminum-finned copper tubes, filter section with 50 mm thick metal viscous/washable synthetic-type air pre- and fine filters (MERV 8 and MERV 14), mixing box, aluminum VCDs on fresh air, return air, and supply air openings, drain connection, 18 G stainless steel 304 with 19 mm NBR-insulated drain pan, necessary vibration isolation arrangement, expansion valve, drier, VRF/DX AHU kit, corded remote controller, limit switches for access doors, inspection lamp. UV-C emitters equipped with reflectors to be mounted on the coil surface using removable extruded aluminum frames. The UV-C emitters to be UL certified and capable of producing minimum 254 nm wavelength radiation, 7.5 W/sqft of coil surface area for equal distribution. Pantype Humidifier (capacity to be proposed by OEM) to be slip-in type tubular heater with step controller to be fitted inside AHU with suitable humidistat, thermostat, air stat/airflow switch, and safety thermostat. Heaters to be arranged in two independently operating banks. One bank shall be operated through humidistat and one bank through thermostat(Strip Heater/Pan Type Humidifier Capacity has to be proposed by manufacturer). All the necessary incoming power and control cabling, earthing between AHU/strip heaters and control panel, all supporting GI hangers, MS angles, channels, nuts, bolts, washers, and other necessary items for unit installation shall be included in the scope of supply. Fans shall be Eurovent/AMCA-certified. AHUs shall be Eurovent/AHRI-certified.. |
| 22 | Supply, installation, testing, and commissioning of 8.5TR - 3400 CFM, 50mm E.S.P, VRF-compatible DX type recirculating factory-built AHUs with 2-stage filtration, 6-row Dx Copper Cooling/Heating coil, double-skin AHU made of 50 mm thick panels consisting of 0.8 mm thick pre-coated GSS on outside, 0.8 mm thick Aluminum sheet inside with factory-injected PUF with a minimum density of 40 kg/m³. The AHU shall be ceiling-or floor-mounted type, single- or double-deck (as per site conditions) along with thermal-break aluminum extruded profile at corners and joints, complete with plug fan compatible with VFD as specified in the starter panel, suitable IE3 class (per IS 12615) TEFC drive motor with IP55 protection suited for 415 ± 10% volts, 50 Hz, 3-phase AC supply, minimum two-bend GSS/PVC eliminators, cooling coil section with aluminum-finned copper tubes, filter section with 50 mm thick metal viscous/washable synthetic-type air pre- and fine filters (MERV 8 and MERV 14), mixing box, aluminum VCDs on fresh air, return air, and supply air openings, drain connection, 18 G stainless steel 304 with 19 mm NBR-insulated drain pan, necessary vibration isolation arrangement, expansion valve, drier, VRF/DX AHU kit, corded remote controller, limit switches for access doors, inspection lamp. UV-C emitters equipped with reflectors to be mounted on the coil surface using removable extruded aluminum frames. The UV-C emitters to be UL certified and capable of producing minimum 254 nm wavelength radiation, 7.5 W/sqft of coil surface area for equal distribution. Heaters (capacity to be proposed by OEM) to be slip-in type tubular heater with step controller to be fitted inside AHU with suitable humidistat, thermostat, air stat/airflow switch, and safety thermostat. Heaters to be arranged in two independently operating banks. One bank shall be operated through humidistat and one bank through thermostat(Strip Heater/Pan Type Humidifier Capacity has to be proposed by manufacturer). All the necessary incoming power and control cabling, earthing between AHU/strip heaters and control panel, all supporting GI hangers, MS angles, channels, nuts, bolts, washers, and other necessary items for unit installation shall be included in the scope of supply. Fans shall be Eurovent/AMCA-certified. AHUs shall be Eurovent/AHRI-certified.. |
| 23 | Supply and installation of a suitable, CPRI-approved (IEC 61439) AHU VFD starter panel, factory-fabricated, wall-mounted type, including all necessary control and power cable wiring between the AHU and the panel. The motor control shall be facilitated by a variable frequency drive (VFD) complying with the latest IEEE 519 standards. The panel shall incorporate controls such as contactors, overload relays (OLR), single-phase preventer (SPP), control switches, and MCBs for AC units. The panel shall have a 24V AC power supply for fire interlock. The panel shall have an auto/manual selection switch, on/off push buttons, and on, off, and trip indication lamps, etc. The panel shall have control element features, including a humidistat, thermostat, air stat/airflow switch, and safety thermostat, along with control wiring. The panel shall feature ON/OFF switches with indicators and a bypass DOL/star-delta starter (selected based on motor size) for the VFD, along with a manual changeover switch for transitioning between VFD and bypass operations The fan/blower motor shall be interlocked with heaters (where provided) such that the power supply to the heaters will be switched on only after the blower has been started and run to full designed speed. The panel shall have contactors and breakers for the heater banks, with the required power and control wiring to maintain temperature/RH % as per indoor design conditions.. |
| 24 | Supply, installation, testing, and commissioning of cabinet fan (EXHAUST AIR) 1200CFM @ minimum 60mm static pressure. The casing shall be double-skin, acoustically lined internally, and constructed from galvanized steel. Fans with three-phase motors shall be equipped with VFD-compatible motors. The fan shall be AMCA-certified for both air performance and sound performance. The fan shall be equipped with a HEPA filter having a minimum efficiency of 99.97% at 0.3 m. The installation cost shall be inclusive of an electronic speed regulator for single-phase fans. For three-phase fans, the installation cost shall include a VFD starter panel, along with necessary power and control wiring for connecting the power supply, fan, and VFD panel, as well as suitable enclosures, mounting brackets, and all other necessary accessories, as per site conditions.. |
| 25 | Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.Factory fabricated GSS sheet metal rectangular ducting as per IS 655-2006 Thickness 0.63 mm sheet |
| 26 | Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.Factory fabricated GSS sheet metal rectangular ducting as per IS 655-2006 Thickness 0.80 mm sheet |
| 27 | Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.Factory fabricated GSS sheet metal rectangular dueling as per IS 655-2006 Thickness 1.00 mm sheet |
| 28 | Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular / round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, etc as per approved drawings and specifications of following sheet thickness complete as required.Site fabricated GSS sheet metal rectangular ducting as per IS 655-2006 for 0.63 mm thick |
| 29 | Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular / round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, etc as per approved drawings and specifications of following sheet thickness complete as required.Site fabricated GSS sheet metal rectangular ducting as per IS 655-2006 for 0.8. mm thick |
| 30 | Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular / round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, etc as per approved drawings and specifications of following sheet thickness complete as required.Site fabricated GSS sheet metal rectangular ducting as per IS 655-2006 for 1.00 mm thick |
| 31 | Supplying and fixing of following thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class \O\\\") insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation complete as per specifications and as required. Nitrille rubber insulation - 25 mm\\" |
| 32 | Supply, storage, installation, testing, and commissioning of 10 mm thick acoustic insulation for ducts using nitrile rubber open-cell foam, fibre-free material with a minimum density of 140 kg/m³. The insulation shall have antimicrobial protection in accordance with ASTM G-21 and ASTM E-2180 and shall conform to Class 1 rating for flame spread as per BS 476 Part 7. The work shall be carried out in line with the specification and designed to meet the required noise criteria. The insulation shall be applied up to a distance of 4 metres from the fan outlet (or) as instructed by the Engineer-in-Charge. The insulation system shall be complete in all respects for commissioning.. |
| 33 | Supply and application of two coats of a vapor barrier coating (Foster painting) on exposed ducts / copper refrigerant pipelines, as per the Engineer-in-Charge’s directions. The work includes surface preparation, application of the vapor barrier coating, and related works to ensure complete coverage and protection.. |
| 34 | Supplying, Fixing, testing and commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc, as per specifications. Gl volume control duct damper |
| 35 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Fire damper |
| 36 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Actuator |
| 37 | Supplying, fixing testing commissioning of supply air diffusers of powder coated aluminum with aluminum volume control dampers with anti smudge ring and removable core. |
| 38 | Supplying, fixing testing commissioning of Return air diffusers of powder coated aluminum without volume control dampers with anti smudge ring and removable core. |
| 39 | Supply and installation of fresh air/exhaust air louver constructed from powder-coated aluminium with bird screen as per the specifications and drawings.. |
| 40 | Supply, installation, fixing, and hanging of factory-fabricated fire-retardant flexible canvas connection of minimum 150 mm width at the outlet of each ducted indoor unit with a zipper to facilitate temperature measurement. The fabric shall be made of polyester cloth with black PVC coating on both sides and a galvanized steel seam.. |
| 41 | OPERATION THEATRE HVAC |
| 42 | Supply, installation, testing, and commissioning of 6.0 TR 2400 CFM, 100mm E.S.P,VRF-compatible DX type recirculating factory-built AHUs with 2-stage filtration, 6-row Dx Copper Cooling/Heating coil, double-skin AHU made of 50 mm thick panels consisting of 0.8 mm thick pre-coated GSS on outside, 0.8 mm thick Aluminum sheet inside with factory-injected PUF with a minimum density of 40 kg/m³. The AHU shall be ceiling- or floor-mounted type, single- or double-deck (as per site conditions) along with thermal-break aluminum extruded profile at corners and joints, complete with plug fan compatible with VFD as specified in the starter panel, suitable IE3 class (per IS 12615) TEFC drive motor with IP55 protection suited for 415 ± 10% volts, 50 Hz, 3-phase AC supply, minimum two-bend GSS/PVC eliminators, cooling coil section with aluminum-finned copper tubes, filter section with 50 mm thick metal viscous/washable synthetic-type air pre- and fine filters (MERV 8 and MERV 14), mixing box, aluminum VCDs on fresh air, return air, and supply air openings, drain connection, 18 G stainless steel 304 with 19 mm NBR-insulated drain pan, necessary vibration isolation arrangement, expansion valve, drier, DX AHU kit, corded remote controller, limit switches for access doors, inspection lamp. UV-C emitters equipped with reflectors to be mounted on the coil surface using removable extruded aluminum frames. The UV-C emitters to be UL certified and capable of producing minimum 254 nm wavelength radiation, 7.5 W/sqft of coil surface area for equal distribution. Pantype Humidifier (capacity to be proposed by OEM) to be slip-in type tubular heater with step controller to be fitted inside AHU with suitable humidistat, thermostat, air stat/airflow switch, and safety thermostat. Heaters to be arranged in two independently operating banks. One bank shall be operated through humidistat and one bank through thermostat(Strip Heater/Pan Type Humidifier Capacity has to be proposed by manufacturer). All the necessary incoming power and control cabling, earthing between AHU/strip heaters and control panel, all supporting GI hangers, MS angles, channels, nuts, bolts, washers, and other necessary items for unit installation shall be included in the scope of supply. Fans shall be Eurovent/AMCA-certified. AHUs shall be Eurovent/AHRI-certified. |
| 43 | Supply, Installation, Testing, and Commissioning of Unidirectional Laminar Air Flow (LAF) plenum, size 2400 x 1800 mm (8 ft x 6 ft), constructed from 1.2 mm thick SS 304 sheet with a provision/cutout for mounting a swivel light set. The plenum shall be equipped with H14 terminal HEPA filters, tested in accordance with EN 1822, with a minimum efficiency of 99.995% at the most penetrating particle size (MPPS). A perforated, tablet-type stainless steel grill cover shall be provided on the bottom, fabricated from SS 304 with a minimum sheet thickness of 1.0 mm. The cover shall be easily removable as required. The plenum shall include a differential pressure port for measuring the pressure drop across the HEPA filters. The HEPA filter casing shall be aluminum, the media shall be microfiber glass paper, and the bonding shall use PU resin. The fins shall be aluminum, blended type. A polyethylene gasket shall be provided. The pressure drop shall not exceed 25 mm WC. The suspended laminar airflow (LAF) system shall provide Class 100 (ISO Class 5) clean air, as defined by ISO 14644-1.. |
| 44 | Supply and installation of a suitable, CPRI-approved (IEC 61439) AHU VFD starter panel, factory-fabricated, wall-mounted type, including all necessary control and power cable wiring between the AHU and the panel. The motor control shall be facilitated by a variable frequency drive (VFD) complying with the latest IEEE 519 standards. The panel shall incorporate controls such as contactors, overload relays (OLR), single-phase preventer (SPP), control switches, and MCBs for AC units. The panel shall have a 24V AC power supply for fire interlock. The panel shall have an auto/manual selection switch, on/off push buttons, and on, off, and trip indication lamps, etc. The panel shall have control element features, including a humidistat, thermostat, air stat/airflow switch, and safety thermostat, along with control wiring. The panel shall feature ON/OFF switches with indicators and a bypass DOL/star-delta starter (selected based on motor size) for the VFD, along with a manual changeover switch for transitioning between VFD and bypass operations The fan/blower motor shall be interlocked with heaters (where provided) such that the power supply to the heaters will be switched on only after the blower has been started and run to full designed speed. The panel shall have contactors and breakers for the heater banks, with the required power and control wiring to maintain temperature/RH % as per indoor design conditions.. |
| 45 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/4 inch (6.35 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 46 | Supply, Installation, Testing, and Commissioning of theSoft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:3/8 inch (9.52 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 47 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/2 inch (12.7 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 48 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:5/8 inch (15.88 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 49 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:3/4 inch (19.05 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 50 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:7/8 inch (22.2 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 51 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1.0 inch (25.4 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 52 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/8 inch (28.6 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 53 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/4 inch (31.8 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 54 | Supply, installation, and testing of shielded copper flexible communication cabling between VRF indoor and outdoor units. The communication cable shall be routed through PVC conduits. The cable size shall be 2-core x 1.5 SQMM (or) as per VRF OEMs technical specifications.. |
| 55 | Supply, storage, installation, testing, and commissioning of 22G (0.8 mm) aluminium ductwork in operation theatres of the specified gauge as appropriate, with all accessories, supports, jointing materials, and flanges, complete; all in accordance with SMACNA standards, the specifications, and drawings. The system shall be complete in all respects for commissioning.. |
| 56 | Supply, storage, installation, testing, and commissioning of 20G (1.0 mm) aluminium ductwork in operation theatres of the specified gauge, with all accessories, supports, jointing materials, and flanges, complete; all in accordance with SMACNA standards, the specifications, and drawings. The system shall be complete in all respects for commissioning.. |
| 57 | Supply, installation, testing, and commissioning of 32mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 58 | Supply, installation, fixing, and hanging of factory-fabricated fire-retardant flexible canvas connection of minimum 150 mm width at the outlet of each ducted indoor unit with a zipper to facilitate temperature measurement. The fabric shall be made of polyester cloth with black PVC coating on both sides and a galvanized steel seam.. |
| 59 | Supply, installation, testing, and commissioning of aluminium volume control dampers, complete with neoprene rubber gaskets, nuts, bolts, screws, linkages, and flanges, in accordance with the specifications and drawings.. |
| 60 | Supplying and fixing of following thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class \O\\\") insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation complete as per specifications and as required. Nitrille rubber insulation - 25 mm\\" |
| 61 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Fire damper |
| 62 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Actuator |
| 63 | Supply and installation of fresh air/exhaust air louver constructed from powder-coated aluminium with bird screen as per the specifications and drawings.. |
| 64 | Supply, installation, fixing, and hanging of return air module (nominal size 22 × 14 inches, or sized as per project design and approved by Engineer-in-Charge) with a 10 micron washable prefilter (MERV 7) and a stainless steel grade 304 grille with a thickness of 1.0 mm and a perforated design (3 – 5 mm holes, 50–70% open area). The module shall include a cowl or flanged connection with EPDM gaskets to ensure airtight integration with the existing return riser duct. The grille and filter shall be removable via hinged or panel access for maintenance and cleaning.. |
| 65 | Supply, installation, testing, and commissioning of OT/clean room parameter monitoring system equipped with a touch screen display for the following parameters: room temperature, relative humidity, and differential pressure. The supplied instrument shall be complete with all necessary high-precision sensors, pressure transmission piping, flush-mounted stainless steel enclosures, and other mounting accessories as required.. |
| 66 | OT Validation - Validation of all operating theatres (OTs) as per relevant ISO 14644 standards, post-commissioning by performing the following tests using calibrated instruments : a. Temperature and humidity check b. Air particulate count c. Air change rate calculation d. Air velocity measurement at the face of terminal HEPA filtration d. Pressure differential levels relative to ambient/adjoining areas e. HEPA Filter Validation.. |
| 67 | Supply and installation of under-deck insulation with 13 mm thick fire-retardant Class 0 nitrile rubber, density 40-60 kg/m³, bonded with manufacturer-recommended synthetic adhesive, and held in position with galvanized steel screws, washers, and cross-braced with 20 SWG galvanized steel wire netting.. |
| 68 | HVAC Works |
| 69 | Supply, Installation, Testing and Commissioning of Air-cooled VRV (Variable Refrigerant Volume) / VRF (Variable Refrigerant Flow) Outdoor units (ODU), suitable for Heating and Cooling, equipped with highly efficient, full DC inverter-driven Scroll compressors only, air- cooled heat exchanger having internally grooved copper tubes, and a low-noise condenser fan. The units should have auto-addressing, an auto-check function for connection errors, R-410A/R407C Refrigerant gas. The machine should be fitted with a Noise filter, High-Pressure Switch, Fan Driver Overload Protector, Over-Current Relay, Inverter Overload Protector etc.The outdoor unit and the rest of the indoor units shall remain in operating condition even when the main line power supply of one or more indoor units fails. The ODUs shall be provided with suitable vibration isolators. The system should operate up to a minimum ambient DB temperature of 52 degrees Celsius. The unit shall be equipped with an oil recovery system ensuring stable operation with long refrigeration piping lengths. The system must be provided with an oil balancing circuit to avoid poor lubrication. Compatibility with centralized control systems like BACnet, Lon Works, MODBUS is required.ODUs should be suitable for 3-phase, 415 V, 50Hz supply. along with suitable interconnecting control cabling between IDUs, ODUs, and the central controller, power cabling between ODU and Isolator, earthing with necessary supports between the isolator and single/multiple outdoor units, Pressure Testing, Additional refrigerant charging for commissioning, Vibration isolators etc along with all associated accessories, complete in all respects as per the consultant's approvalVRF ODU Machine ScheduleICU & HDU VRF Circuit: 18 HP OT VRF ODU: 16 HP (8HP+8HP) |
| 70 | Supply and installation of indoor Refnet / Y-joint separation tubes for refrigeration pipe joints and headers, in appropriate orientation to enable proper distribution of refrigerant. The distribution joints shall be factory insulated with pre-formed sections of expanded polystyrene or equivalent.. |
| 71 | Supply and installation of outdoor Refnet / Y-joint separation tubes for refrigeration pipe joints and headers, in appropriate orientation to enable proper distribution of refrigerant. The distribution joints shall be factory insulated with pre-formed sections of expanded polystyrene or equivalent.. |
| 72 | Supply, Installation, Testing, and Commissioning of centralized type remote controller, color touchscreen type with UPS battery backup, all-inclusive of necessary installation supports and wiring. The controller shall function as an advanced air conditioning management system, providing complete control of VRV/VRF air conditioning equipment (including connected air handling units (AHUs)). It shall offer user-friendly operation through its touchscreen, icon display, and color LCD display. The controller shall be compatible with BACnet, LonWorks, or Modbus interface. The controller shall control up to 64 groups of indoor units with the following functions: 1. Start/stop of air conditioners as a zone, group, or individual unit 2. Temperature setting for each indoor unit or zone 3. Switching between temperature control modes, fan speed adjustment, and airflow direction control, including enable/disable of individual remote controller operation 4. Monitoring of operation status, including operation mode, temperature settings of individual indoor units, maintenance information, and troubleshooting details 5. Scheduling indoor unit operating time 6. Displaying air conditioner operation history.. |
| 73 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/4 inch (6.35 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 74 | Supply, Installation, Testing, and Commissioning of theSoft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:3/8 inch (9.52 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 75 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/2 inch (12.7 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 76 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:5/8 inch (15.88 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 77 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:3/4 inch (19.05 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 78 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:7/8 inch (22.2 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 79 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1.0 inch (25.4 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 80 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/8 inch (28.6 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 81 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/4 inch (31.8 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 82 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-3/8 inch (34.9 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 83 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/2 inch (38.1 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 84 | Supply, installation, and testing of shielded copper flexible communication cabling between VRF indoor and outdoor units. The communication cable shall be routed through PVC conduits. The cable size shall be 2-core x 1.5 SQMM (or) as per VRF OEMs technical specifications.. |
| 85 | Supply, installation, testing, and commissioning of 25mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 86 | Supply, installation, testing, and commissioning of 32mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 87 | Supply, installation, testing, and commissioning of 40mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 88 | Supply, installation, testing, and commissioning of 5.5TR - 2200 CFM, 50mm E.S.P, VRF-compatible DX type recirculating factory-built AHUs with 2-stage filtration, 6-row Dx Copper Cooling/Heating coil, , double-skin AHU made of 50 mm thick panels consisting of 0.8 mm thick pre-coated GSS on outside, 0.8 mm thick Aluminum sheet inside with factory-injected PUF with a minimum density of 40 kg/m³. The AHU shall be ceiling-or floor-mounted type, single- or double-deck (as per site conditions) along with thermal-break aluminum extruded profile at corners and joints, complete with plug fan compatible with VFD as specified in the starter panel, suitable IE3 class (per IS 12615) TEFC drive motor with IP55 protection suited for 415 ± 10% volts, 50 Hz, 3-phase AC supply, minimum two-bend GSS/PVC eliminators, cooling coil section with aluminum-finned copper tubes, filter section with 50 mm thick metal viscous/washable synthetic-type air pre- and fine filters (MERV 8 and MERV 14), mixing box, aluminum VCDs on fresh air, return air, and supply air openings, drain connection, 18 G stainless steel 304 with 19 mm NBR-insulated drain pan, necessary vibration isolation arrangement, expansion valve, drier, VRF/DX AHU kit, corded remote controller, limit switches for access doors, inspection lamp. UV-C emitters equipped with reflectors to be mounted on the coil surface using removable extruded aluminum frames. The UV-C emitters to be UL certified and capable of producing minimum 254 nm wavelength radiation, 7.5 W/sqft of coil surface area for equal distribution. Pantype Humidifier (capacity to be proposed by OEM) to be slip-in type tubular heater with step controller to be fitted inside AHU with suitable humidistat, thermostat, air stat/airflow switch, and safety thermostat. Heaters to be arranged in two independently operating banks. One bank shall be operated through humidistat and one bank through thermostat(Strip Heater/Pan Type Humidifier Capacity has to be proposed by manufacturer). All the necessary incoming power and control cabling, earthing between AHU/strip heaters and control panel, all supporting GI hangers, MS angles, channels, nuts, bolts, washers, and other necessary items for unit installation shall be included in the scope of supply. Fans shall be Eurovent/AMCA-certified. AHUs shall be Eurovent/AHRI-certified.. |
| 89 | Supply, installation, testing, and commissioning of 8.5TR - 3400 CFM, 50mm E.S.P, VRF-compatible DX type recirculating factory-built AHUs with 2-stage filtration, 6-row Dx Copper Cooling/Heating coil, double-skin AHU made of 50 mm thick panels consisting of 0.8 mm thick pre-coated GSS on outside, 0.8 mm thick Aluminum sheet inside with factory-injected PUF with a minimum density of 40 kg/m³. The AHU shall be ceiling-or floor-mounted type, single- or double-deck (as per site conditions) along with thermal-break aluminum extruded profile at corners and joints, complete with plug fan compatible with VFD as specified in the starter panel, suitable IE3 class (per IS 12615) TEFC drive motor with IP55 protection suited for 415 ± 10% volts, 50 Hz, 3-phase AC supply, minimum two-bend GSS/PVC eliminators, cooling coil section with aluminum-finned copper tubes, filter section with 50 mm thick metal viscous/washable synthetic-type air pre- and fine filters (MERV 8 and MERV 14), mixing box, aluminum VCDs on fresh air, return air, and supply air openings, drain connection, 18 G stainless steel 304 with 19 mm NBR-insulated drain pan, necessary vibration isolation arrangement, expansion valve, drier, VRF/DX AHU kit, corded remote controller, limit switches for access doors, inspection lamp. UV-C emitters equipped with reflectors to be mounted on the coil surface using removable extruded aluminum frames. The UV-C emitters to be UL certified and capable of producing minimum 254 nm wavelength radiation, 7.5 W/sqft of coil surface area for equal distribution. Heaters (capacity to be proposed by OEM) to be slip-in type tubular heater with step controller to be fitted inside AHU with suitable humidistat, thermostat, air stat/airflow switch, and safety thermostat. Heaters to be arranged in two independently operating banks. One bank shall be operated through humidistat and one bank through thermostat(Strip Heater/Pan Type Humidifier Capacity has to be proposed by manufacturer). All the necessary incoming power and control cabling, earthing between AHU/strip heaters and control panel, all supporting GI hangers, MS angles, channels, nuts, bolts, washers, and other necessary items for unit installation shall be included in the scope of supply. Fans shall be Eurovent/AMCA-certified. AHUs shall be Eurovent/AHRI-certified.. |
| 90 | Supply and installation of a suitable, CPRI-approved (IEC 61439) AHU VFD starter panel, factory-fabricated, wall-mounted type, including all necessary control and power cable wiring between the AHU and the panel. The motor control shall be facilitated by a variable frequency drive (VFD) complying with the latest IEEE 519 standards. The panel shall incorporate controls such as contactors, overload relays (OLR), single-phase preventer (SPP), control switches, and MCBs for AC units. The panel shall have a 24V AC power supply for fire interlock. The panel shall have an auto/manual selection switch, on/off push buttons, and on, off, and trip indication lamps, etc. The panel shall have control element features, including a humidistat, thermostat, air stat/airflow switch, and safety thermostat, along with control wiring. The panel shall feature ON/OFF switches with indicators and a bypass DOL/star-delta starter (selected based on motor size) for the VFD, along with a manual changeover switch for transitioning between VFD and bypass operations The fan/blower motor shall be interlocked with heaters (where provided) such that the power supply to the heaters will be switched on only after the blower has been started and run to full designed speed. The panel shall have contactors and breakers for the heater banks, with the required power and control wiring to maintain temperature/RH % as per indoor design conditions.. |
| 91 | Supply, installation, testing, and commissioning of cabinet fan (EXHAUST AIR) 1200CFM @ minimum 60mm static pressure. The casing shall be double-skin, acoustically lined internally, and constructed from galvanized steel. Fans with three-phase motors shall be equipped with VFD-compatible motors. The fan shall be AMCA-certified for both air performance and sound performance. The fan shall be equipped with a HEPA filter having a minimum efficiency of 99.97% at 0.3 m. The installation cost shall be inclusive of an electronic speed regulator for single-phase fans. For three-phase fans, the installation cost shall include a VFD starter panel, along with necessary power and control wiring for connecting the power supply, fan, and VFD panel, as well as suitable enclosures, mounting brackets, and all other necessary accessories, as per site conditions.. |
| 92 | Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.Factory fabricated GSS sheet metal rectangular ducting as per IS 655-2006 Thickness 0.63 mm sheet |
| 93 | Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.Factory fabricated GSS sheet metal rectangular ducting as per IS 655-2006 Thickness 0.80 mm sheet |
| 94 | Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.Factory fabricated GSS sheet metal rectangular dueling as per IS 655-2006 Thickness 1.00 mm sheet |
| 95 | Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular / round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, etc as per approved drawings and specifications of following sheet thickness complete as required.Site fabricated GSS sheet metal rectangular ducting as per IS 655-2006 for 0.63 mm thick |
| 96 | Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular / round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, etc as per approved drawings and specifications of following sheet thickness complete as required.Site fabricated GSS sheet metal rectangular ducting as per IS 655-2006 for 0.8. mm thick |
| 97 | Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular / round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, etc as per approved drawings and specifications of following sheet thickness complete as required.Site fabricated GSS sheet metal rectangular ducting as per IS 655-2006 for 1.00 mm thick |
| 98 | Supplying and fixing of following thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class \O\\\") insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation complete as per specifications and as required. Nitrille rubber insulation - 25 mm\\" |
| 99 | Supply, storage, installation, testing, and commissioning of 10 mm thick acoustic insulation for ducts using nitrile rubber open-cell foam, fibre-free material with a minimum density of 140 kg/m³. The insulation shall have antimicrobial protection in accordance with ASTM G-21 and ASTM E-2180 and shall conform to Class 1 rating for flame spread as per BS 476 Part 7. The work shall be carried out in line with the specification and designed to meet the required noise criteria. The insulation shall be applied up to a distance of 4 metres from the fan outlet (or) as instructed by the Engineer-in-Charge. The insulation system shall be complete in all respects for commissioning.. |
| 100 | Supply and application of two coats of a vapor barrier coating (Foster painting) on exposed ducts / copper refrigerant pipelines, as per the Engineer-in-Charge’s directions. The work includes surface preparation, application of the vapor barrier coating, and related works to ensure complete coverage and protection.. |
| 101 | Supplying, Fixing, testing and commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc, as per specifications. Gl volume control duct damper |
| 102 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Fire damper |
| 103 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Actuator |
| 104 | Supplying, fixing testing commissioning of supply air diffusers of powder coated aluminum with aluminum volume control dampers with anti smudge ring and removable core. |
| 105 | Supplying, fixing testing commissioning of Return air diffusers of powder coated aluminum without volume control dampers with anti smudge ring and removable core. |
| 106 | Supply and installation of fresh air/exhaust air louver constructed from powder-coated aluminium with bird screen as per the specifications and drawings.. |
| 107 | Supply, installation, fixing, and hanging of factory-fabricated fire-retardant flexible canvas connection of minimum 150 mm width at the outlet of each ducted indoor unit with a zipper to facilitate temperature measurement. The fabric shall be made of polyester cloth with black PVC coating on both sides and a galvanized steel seam.. |
| 108 | OPERATION THEATRE HVAC |
| 109 | Supply, installation, testing, and commissioning of 6.0 TR 2400 CFM, 100mm E.S.P,VRF-compatible DX type recirculating factory-built AHUs with 2-stage filtration, 6-row Dx Copper Cooling/Heating coil, double-skin AHU made of 50 mm thick panels consisting of 0.8 mm thick pre-coated GSS on outside, 0.8 mm thick Aluminum sheet inside with factory-injected PUF with a minimum density of 40 kg/m³. The AHU shall be ceiling- or floor-mounted type, single- or double-deck (as per site conditions) along with thermal-break aluminum extruded profile at corners and joints, complete with plug fan compatible with VFD as specified in the starter panel, suitable IE3 class (per IS 12615) TEFC drive motor with IP55 protection suited for 415 ± 10% volts, 50 Hz, 3-phase AC supply, minimum two-bend GSS/PVC eliminators, cooling coil section with aluminum-finned copper tubes, filter section with 50 mm thick metal viscous/washable synthetic-type air pre- and fine filters (MERV 8 and MERV 14), mixing box, aluminum VCDs on fresh air, return air, and supply air openings, drain connection, 18 G stainless steel 304 with 19 mm NBR-insulated drain pan, necessary vibration isolation arrangement, expansion valve, drier, DX AHU kit, corded remote controller, limit switches for access doors, inspection lamp. UV-C emitters equipped with reflectors to be mounted on the coil surface using removable extruded aluminum frames. The UV-C emitters to be UL certified and capable of producing minimum 254 nm wavelength radiation, 7.5 W/sqft of coil surface area for equal distribution. Pantype Humidifier (capacity to be proposed by OEM) to be slip-in type tubular heater with step controller to be fitted inside AHU with suitable humidistat, thermostat, air stat/airflow switch, and safety thermostat. Heaters to be arranged in two independently operating banks. One bank shall be operated through humidistat and one bank through thermostat(Strip Heater/Pan Type Humidifier Capacity has to be proposed by manufacturer). All the necessary incoming power and control cabling, earthing between AHU/strip heaters and control panel, all supporting GI hangers, MS angles, channels, nuts, bolts, washers, and other necessary items for unit installation shall be included in the scope of supply. Fans shall be Eurovent/AMCA-certified. AHUs shall be Eurovent/AHRI-certified. |
| 110 | Supply, Installation, Testing, and Commissioning of Unidirectional Laminar Air Flow (LAF) plenum, size 2400 x 1800 mm (8 ft x 6 ft), constructed from 1.2 mm thick SS 304 sheet with a provision/cutout for mounting a swivel light set. The plenum shall be equipped with H14 terminal HEPA filters, tested in accordance with EN 1822, with a minimum efficiency of 99.995% at the most penetrating particle size (MPPS). A perforated, tablet-type stainless steel grill cover shall be provided on the bottom, fabricated from SS 304 with a minimum sheet thickness of 1.0 mm. The cover shall be easily removable as required. The plenum shall include a differential pressure port for measuring the pressure drop across the HEPA filters. The HEPA filter casing shall be aluminum, the media shall be microfiber glass paper, and the bonding shall use PU resin. The fins shall be aluminum, blended type. A polyethylene gasket shall be provided. The pressure drop shall not exceed 25 mm WC. The suspended laminar airflow (LAF) system shall provide Class 100 (ISO Class 5) clean air, as defined by ISO 14644-1.. |
| 111 | Supply and installation of a suitable, CPRI-approved (IEC 61439) AHU VFD starter panel, factory-fabricated, wall-mounted type, including all necessary control and power cable wiring between the AHU and the panel. The motor control shall be facilitated by a variable frequency drive (VFD) complying with the latest IEEE 519 standards. The panel shall incorporate controls such as contactors, overload relays (OLR), single-phase preventer (SPP), control switches, and MCBs for AC units. The panel shall have a 24V AC power supply for fire interlock. The panel shall have an auto/manual selection switch, on/off push buttons, and on, off, and trip indication lamps, etc. The panel shall have control element features, including a humidistat, thermostat, air stat/airflow switch, and safety thermostat, along with control wiring. The panel shall feature ON/OFF switches with indicators and a bypass DOL/star-delta starter (selected based on motor size) for the VFD, along with a manual changeover switch for transitioning between VFD and bypass operations The fan/blower motor shall be interlocked with heaters (where provided) such that the power supply to the heaters will be switched on only after the blower has been started and run to full designed speed. The panel shall have contactors and breakers for the heater banks, with the required power and control wiring to maintain temperature/RH % as per indoor design conditions.. |
| 112 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/4 inch (6.35 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 113 | Supply, Installation, Testing, and Commissioning of theSoft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:3/8 inch (9.52 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 114 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/2 inch (12.7 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 115 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:5/8 inch (15.88 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 116 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:3/4 inch (19.05 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 117 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:7/8 inch (22.2 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 118 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1.0 inch (25.4 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 119 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/8 inch (28.6 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 120 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/4 inch (31.8 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 121 | Supply, installation, and testing of shielded copper flexible communication cabling between VRF indoor and outdoor units. The communication cable shall be routed through PVC conduits. The cable size shall be 2-core x 1.5 SQMM (or) as per VRF OEMs technical specifications.. |
| 122 | Supply, storage, installation, testing, and commissioning of 22G (0.8 mm) aluminium ductwork in operation theatres of the specified gauge as appropriate, with all accessories, supports, jointing materials, and flanges, complete; all in accordance with SMACNA standards, the specifications, and drawings. The system shall be complete in all respects for commissioning.. |
| 123 | Supply, storage, installation, testing, and commissioning of 20G (1.0 mm) aluminium ductwork in operation theatres of the specified gauge, with all accessories, supports, jointing materials, and flanges, complete; all in accordance with SMACNA standards, the specifications, and drawings. The system shall be complete in all respects for commissioning.. |
| 124 | Supply, installation, testing, and commissioning of 32mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 125 | Supply, installation, fixing, and hanging of factory-fabricated fire-retardant flexible canvas connection of minimum 150 mm width at the outlet of each ducted indoor unit with a zipper to facilitate temperature measurement. The fabric shall be made of polyester cloth with black PVC coating on both sides and a galvanized steel seam.. |
| 126 | Supply, installation, testing, and commissioning of aluminium volume control dampers, complete with neoprene rubber gaskets, nuts, bolts, screws, linkages, and flanges, in accordance with the specifications and drawings.. |
| 127 | Supplying and fixing of following thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class \O\\\") insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation complete as per specifications and as required. Nitrille rubber insulation - 25 mm\\" |
| 128 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Fire damper |
| 129 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Actuator |
| 130 | Supply and installation of fresh air/exhaust air louver constructed from powder-coated aluminium with bird screen as per the specifications and drawings.. |
| 131 | Supply, installation, fixing, and hanging of return air module (nominal size 22 × 14 inches, or sized as per project design and approved by Engineer-in-Charge) with a 10 micron washable prefilter (MERV 7) and a stainless steel grade 304 grille with a thickness of 1.0 mm and a perforated design (3 – 5 mm holes, 50–70% open area). The module shall include a cowl or flanged connection with EPDM gaskets to ensure airtight integration with the existing return riser duct. The grille and filter shall be removable via hinged or panel access for maintenance and cleaning.. |
| 132 | Supply, installation, testing, and commissioning of OT/clean room parameter monitoring system equipped with a touch screen display for the following parameters: room temperature, relative humidity, and differential pressure. The supplied instrument shall be complete with all necessary high-precision sensors, pressure transmission piping, flush-mounted stainless steel enclosures, and other mounting accessories as required.. |
| 133 | OT Validation - Validation of all operating theatres (OTs) as per relevant ISO 14644 standards, post-commissioning by performing the following tests using calibrated instruments : a. Temperature and humidity check b. Air particulate count c. Air change rate calculation d. Air velocity measurement at the face of terminal HEPA filtration d. Pressure differential levels relative to ambient/adjoining areas e. HEPA Filter Validation.. |
| 134 | Supply and installation of under-deck insulation with 13 mm thick fire-retardant Class 0 nitrile rubber, density 40-60 kg/m³, bonded with manufacturer-recommended synthetic adhesive, and held in position with galvanized steel screws, washers, and cross-braced with 20 SWG galvanized steel wire netting.. |
| 135 | HVAC Works |
| 136 | Supply, Installation, Testing and Commissioning of Air-cooled VRV (Variable Refrigerant Volume) / VRF (Variable Refrigerant Flow) Outdoor units (ODU), suitable for Heating and Cooling, equipped with highly efficient, full DC inverter-driven Scroll compressors only, air- cooled heat exchanger having internally grooved copper tubes, and a low-noise condenser fan. The units should have auto-addressing, an auto-check function for connection errors, R-410A/R407C Refrigerant gas. The machine should be fitted with a Noise filter, High-Pressure Switch, Fan Driver Overload Protector, Over-Current Relay, Inverter Overload Protector etc.The outdoor unit and the rest of the indoor units shall remain in operating condition even when the main line power supply of one or more indoor units fails. The ODUs shall be provided with suitable vibration isolators. The system should operate up to a minimum ambient DB temperature of 52 degrees Celsius. The unit shall be equipped with an oil recovery system ensuring stable operation with long refrigeration piping lengths. The system must be provided with an oil balancing circuit to avoid poor lubrication. Compatibility with centralized control systems like BACnet, Lon Works, MODBUS is required.ODUs should be suitable for 3-phase, 415 V, 50Hz supply. along with suitable interconnecting control cabling between IDUs, ODUs, and the central controller, power cabling between ODU and Isolator, earthing with necessary supports between the isolator and single/multiple outdoor units, Pressure Testing, Additional refrigerant charging for commissioning, Vibration isolators etc along with all associated accessories, complete in all respects as per the consultant's approvalVRF ODU Machine ScheduleICU & HDU VRF Circuit: 18 HP OT VRF ODU: 16 HP (8HP+8HP) |
| 137 | Supply and installation of indoor Refnet / Y-joint separation tubes for refrigeration pipe joints and headers, in appropriate orientation to enable proper distribution of refrigerant. The distribution joints shall be factory insulated with pre-formed sections of expanded polystyrene or equivalent.. |
| 138 | Supply and installation of outdoor Refnet / Y-joint separation tubes for refrigeration pipe joints and headers, in appropriate orientation to enable proper distribution of refrigerant. The distribution joints shall be factory insulated with pre-formed sections of expanded polystyrene or equivalent.. |
| 139 | Supply, Installation, Testing, and Commissioning of centralized type remote controller, color touchscreen type with UPS battery backup, all-inclusive of necessary installation supports and wiring. The controller shall function as an advanced air conditioning management system, providing complete control of VRV/VRF air conditioning equipment (including connected air handling units (AHUs)). It shall offer user-friendly operation through its touchscreen, icon display, and color LCD display. The controller shall be compatible with BACnet, LonWorks, or Modbus interface. The controller shall control up to 64 groups of indoor units with the following functions: 1. Start/stop of air conditioners as a zone, group, or individual unit 2. Temperature setting for each indoor unit or zone 3. Switching between temperature control modes, fan speed adjustment, and airflow direction control, including enable/disable of individual remote controller operation 4. Monitoring of operation status, including operation mode, temperature settings of individual indoor units, maintenance information, and troubleshooting details 5. Scheduling indoor unit operating time 6. Displaying air conditioner operation history.. |
| 140 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/4 inch (6.35 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 141 | Supply, Installation, Testing, and Commissioning of theSoft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:3/8 inch (9.52 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 142 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/2 inch (12.7 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 143 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:5/8 inch (15.88 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 144 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:3/4 inch (19.05 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 145 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:7/8 inch (22.2 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 146 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1.0 inch (25.4 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 147 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/8 inch (28.6 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 148 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/4 inch (31.8 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 149 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-3/8 inch (34.9 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 150 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/2 inch (38.1 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 151 | Supply, installation, and testing of shielded copper flexible communication cabling between VRF indoor and outdoor units. The communication cable shall be routed through PVC conduits. The cable size shall be 2-core x 1.5 SQMM (or) as per VRF OEMs technical specifications.. |
| 152 | Supply, installation, testing, and commissioning of 25mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 153 | Supply, installation, testing, and commissioning of 32mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 154 | Supply, installation, testing, and commissioning of 40mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 155 | Supply, installation, testing, and commissioning of 5.5TR - 2200 CFM, 50mm E.S.P, VRF-compatible DX type recirculating factory-built AHUs with 2-stage filtration, 6-row Dx Copper Cooling/Heating coil, , double-skin AHU made of 50 mm thick panels consisting of 0.8 mm thick pre-coated GSS on outside, 0.8 mm thick Aluminum sheet inside with factory-injected PUF with a minimum density of 40 kg/m³. The AHU shall be ceiling-or floor-mounted type, single- or double-deck (as per site conditions) along with thermal-break aluminum extruded profile at corners and joints, complete with plug fan compatible with VFD as specified in the starter panel, suitable IE3 class (per IS 12615) TEFC drive motor with IP55 protection suited for 415 ± 10% volts, 50 Hz, 3-phase AC supply, minimum two-bend GSS/PVC eliminators, cooling coil section with aluminum-finned copper tubes, filter section with 50 mm thick metal viscous/washable synthetic-type air pre- and fine filters (MERV 8 and MERV 14), mixing box, aluminum VCDs on fresh air, return air, and supply air openings, drain connection, 18 G stainless steel 304 with 19 mm NBR-insulated drain pan, necessary vibration isolation arrangement, expansion valve, drier, VRF/DX AHU kit, corded remote controller, limit switches for access doors, inspection lamp. UV-C emitters equipped with reflectors to be mounted on the coil surface using removable extruded aluminum frames. The UV-C emitters to be UL certified and capable of producing minimum 254 nm wavelength radiation, 7.5 W/sqft of coil surface area for equal distribution. Pantype Humidifier (capacity to be proposed by OEM) to be slip-in type tubular heater with step controller to be fitted inside AHU with suitable humidistat, thermostat, air stat/airflow switch, and safety thermostat. Heaters to be arranged in two independently operating banks. One bank shall be operated through humidistat and one bank through thermostat(Strip Heater/Pan Type Humidifier Capacity has to be proposed by manufacturer). All the necessary incoming power and control cabling, earthing between AHU/strip heaters and control panel, all supporting GI hangers, MS angles, channels, nuts, bolts, washers, and other necessary items for unit installation shall be included in the scope of supply. Fans shall be Eurovent/AMCA-certified. AHUs shall be Eurovent/AHRI-certified.. |
| 156 | Supply, installation, testing, and commissioning of 8.5TR - 3400 CFM, 50mm E.S.P, VRF-compatible DX type recirculating factory-built AHUs with 2-stage filtration, 6-row Dx Copper Cooling/Heating coil, double-skin AHU made of 50 mm thick panels consisting of 0.8 mm thick pre-coated GSS on outside, 0.8 mm thick Aluminum sheet inside with factory-injected PUF with a minimum density of 40 kg/m³. The AHU shall be ceiling-or floor-mounted type, single- or double-deck (as per site conditions) along with thermal-break aluminum extruded profile at corners and joints, complete with plug fan compatible with VFD as specified in the starter panel, suitable IE3 class (per IS 12615) TEFC drive motor with IP55 protection suited for 415 ± 10% volts, 50 Hz, 3-phase AC supply, minimum two-bend GSS/PVC eliminators, cooling coil section with aluminum-finned copper tubes, filter section with 50 mm thick metal viscous/washable synthetic-type air pre- and fine filters (MERV 8 and MERV 14), mixing box, aluminum VCDs on fresh air, return air, and supply air openings, drain connection, 18 G stainless steel 304 with 19 mm NBR-insulated drain pan, necessary vibration isolation arrangement, expansion valve, drier, VRF/DX AHU kit, corded remote controller, limit switches for access doors, inspection lamp. UV-C emitters equipped with reflectors to be mounted on the coil surface using removable extruded aluminum frames. The UV-C emitters to be UL certified and capable of producing minimum 254 nm wavelength radiation, 7.5 W/sqft of coil surface area for equal distribution. Heaters (capacity to be proposed by OEM) to be slip-in type tubular heater with step controller to be fitted inside AHU with suitable humidistat, thermostat, air stat/airflow switch, and safety thermostat. Heaters to be arranged in two independently operating banks. One bank shall be operated through humidistat and one bank through thermostat(Strip Heater/Pan Type Humidifier Capacity has to be proposed by manufacturer). All the necessary incoming power and control cabling, earthing between AHU/strip heaters and control panel, all supporting GI hangers, MS angles, channels, nuts, bolts, washers, and other necessary items for unit installation shall be included in the scope of supply. Fans shall be Eurovent/AMCA-certified. AHUs shall be Eurovent/AHRI-certified.. |
| 157 | Supply and installation of a suitable, CPRI-approved (IEC 61439) AHU VFD starter panel, factory-fabricated, wall-mounted type, including all necessary control and power cable wiring between the AHU and the panel. The motor control shall be facilitated by a variable frequency drive (VFD) complying with the latest IEEE 519 standards. The panel shall incorporate controls such as contactors, overload relays (OLR), single-phase preventer (SPP), control switches, and MCBs for AC units. The panel shall have a 24V AC power supply for fire interlock. The panel shall have an auto/manual selection switch, on/off push buttons, and on, off, and trip indication lamps, etc. The panel shall have control element features, including a humidistat, thermostat, air stat/airflow switch, and safety thermostat, along with control wiring. The panel shall feature ON/OFF switches with indicators and a bypass DOL/star-delta starter (selected based on motor size) for the VFD, along with a manual changeover switch for transitioning between VFD and bypass operations The fan/blower motor shall be interlocked with heaters (where provided) such that the power supply to the heaters will be switched on only after the blower has been started and run to full designed speed. The panel shall have contactors and breakers for the heater banks, with the required power and control wiring to maintain temperature/RH % as per indoor design conditions.. |
| 158 | Supply, installation, testing, and commissioning of cabinet fan (EXHAUST AIR) 1200CFM @ minimum 60mm static pressure. The casing shall be double-skin, acoustically lined internally, and constructed from galvanized steel. Fans with three-phase motors shall be equipped with VFD-compatible motors. The fan shall be AMCA-certified for both air performance and sound performance. The fan shall be equipped with a HEPA filter having a minimum efficiency of 99.97% at 0.3 m. The installation cost shall be inclusive of an electronic speed regulator for single-phase fans. For three-phase fans, the installation cost shall include a VFD starter panel, along with necessary power and control wiring for connecting the power supply, fan, and VFD panel, as well as suitable enclosures, mounting brackets, and all other necessary accessories, as per site conditions.. |
| 159 | Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.Factory fabricated GSS sheet metal rectangular ducting as per IS 655-2006 Thickness 0.63 mm sheet |
| 160 | Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.Factory fabricated GSS sheet metal rectangular ducting as per IS 655-2006 Thickness 0.80 mm sheet |
| 161 | Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.Factory fabricated GSS sheet metal rectangular dueling as per IS 655-2006 Thickness 1.00 mm sheet |
| 162 | Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular / round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, etc as per approved drawings and specifications of following sheet thickness complete as required.Site fabricated GSS sheet metal rectangular ducting as per IS 655-2006 for 0.63 mm thick |
| 163 | Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular / round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, etc as per approved drawings and specifications of following sheet thickness complete as required.Site fabricated GSS sheet metal rectangular ducting as per IS 655-2006 for 0.8. mm thick |
| 164 | Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular / round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, etc as per approved drawings and specifications of following sheet thickness complete as required.Site fabricated GSS sheet metal rectangular ducting as per IS 655-2006 for 1.00 mm thick |
| 165 | Supplying and fixing of following thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class \O\\\") insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation complete as per specifications and as required. Nitrille rubber insulation - 25 mm\\" |
| 166 | Supply, storage, installation, testing, and commissioning of 10 mm thick acoustic insulation for ducts using nitrile rubber open-cell foam, fibre-free material with a minimum density of 140 kg/m³. The insulation shall have antimicrobial protection in accordance with ASTM G-21 and ASTM E-2180 and shall conform to Class 1 rating for flame spread as per BS 476 Part 7. The work shall be carried out in line with the specification and designed to meet the required noise criteria. The insulation shall be applied up to a distance of 4 metres from the fan outlet (or) as instructed by the Engineer-in-Charge. The insulation system shall be complete in all respects for commissioning.. |
| 167 | Supply and application of two coats of a vapor barrier coating (Foster painting) on exposed ducts / copper refrigerant pipelines, as per the Engineer-in-Charge’s directions. The work includes surface preparation, application of the vapor barrier coating, and related works to ensure complete coverage and protection.. |
| 168 | Supplying, Fixing, testing and commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc, as per specifications. Gl volume control duct damper |
| 169 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Fire damper |
| 170 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Actuator |
| 171 | Supplying, fixing testing commissioning of supply air diffusers of powder coated aluminum with aluminum volume control dampers with anti smudge ring and removable core. |
| 172 | Supplying, fixing testing commissioning of Return air diffusers of powder coated aluminum without volume control dampers with anti smudge ring and removable core. |
| 173 | Supply and installation of fresh air/exhaust air louver constructed from powder-coated aluminium with bird screen as per the specifications and drawings.. |
| 174 | Supply, installation, fixing, and hanging of factory-fabricated fire-retardant flexible canvas connection of minimum 150 mm width at the outlet of each ducted indoor unit with a zipper to facilitate temperature measurement. The fabric shall be made of polyester cloth with black PVC coating on both sides and a galvanized steel seam.. |
| 175 | OPERATION THEATRE HVAC |
| 176 | Supply, installation, testing, and commissioning of 6.0 TR 2400 CFM, 100mm E.S.P,VRF-compatible DX type recirculating factory-built AHUs with 2-stage filtration, 6-row Dx Copper Cooling/Heating coil, double-skin AHU made of 50 mm thick panels consisting of 0.8 mm thick pre-coated GSS on outside, 0.8 mm thick Aluminum sheet inside with factory-injected PUF with a minimum density of 40 kg/m³. The AHU shall be ceiling- or floor-mounted type, single- or double-deck (as per site conditions) along with thermal-break aluminum extruded profile at corners and joints, complete with plug fan compatible with VFD as specified in the starter panel, suitable IE3 class (per IS 12615) TEFC drive motor with IP55 protection suited for 415 ± 10% volts, 50 Hz, 3-phase AC supply, minimum two-bend GSS/PVC eliminators, cooling coil section with aluminum-finned copper tubes, filter section with 50 mm thick metal viscous/washable synthetic-type air pre- and fine filters (MERV 8 and MERV 14), mixing box, aluminum VCDs on fresh air, return air, and supply air openings, drain connection, 18 G stainless steel 304 with 19 mm NBR-insulated drain pan, necessary vibration isolation arrangement, expansion valve, drier, DX AHU kit, corded remote controller, limit switches for access doors, inspection lamp. UV-C emitters equipped with reflectors to be mounted on the coil surface using removable extruded aluminum frames. The UV-C emitters to be UL certified and capable of producing minimum 254 nm wavelength radiation, 7.5 W/sqft of coil surface area for equal distribution. Pantype Humidifier (capacity to be proposed by OEM) to be slip-in type tubular heater with step controller to be fitted inside AHU with suitable humidistat, thermostat, air stat/airflow switch, and safety thermostat. Heaters to be arranged in two independently operating banks. One bank shall be operated through humidistat and one bank through thermostat(Strip Heater/Pan Type Humidifier Capacity has to be proposed by manufacturer). All the necessary incoming power and control cabling, earthing between AHU/strip heaters and control panel, all supporting GI hangers, MS angles, channels, nuts, bolts, washers, and other necessary items for unit installation shall be included in the scope of supply. Fans shall be Eurovent/AMCA-certified. AHUs shall be Eurovent/AHRI-certified. |
| 177 | Supply, Installation, Testing, and Commissioning of Unidirectional Laminar Air Flow (LAF) plenum, size 2400 x 1800 mm (8 ft x 6 ft), constructed from 1.2 mm thick SS 304 sheet with a provision/cutout for mounting a swivel light set. The plenum shall be equipped with H14 terminal HEPA filters, tested in accordance with EN 1822, with a minimum efficiency of 99.995% at the most penetrating particle size (MPPS). A perforated, tablet-type stainless steel grill cover shall be provided on the bottom, fabricated from SS 304 with a minimum sheet thickness of 1.0 mm. The cover shall be easily removable as required. The plenum shall include a differential pressure port for measuring the pressure drop across the HEPA filters. The HEPA filter casing shall be aluminum, the media shall be microfiber glass paper, and the bonding shall use PU resin. The fins shall be aluminum, blended type. A polyethylene gasket shall be provided. The pressure drop shall not exceed 25 mm WC. The suspended laminar airflow (LAF) system shall provide Class 100 (ISO Class 5) clean air, as defined by ISO 14644-1.. |
| 178 | Supply and installation of a suitable, CPRI-approved (IEC 61439) AHU VFD starter panel, factory-fabricated, wall-mounted type, including all necessary control and power cable wiring between the AHU and the panel. The motor control shall be facilitated by a variable frequency drive (VFD) complying with the latest IEEE 519 standards. The panel shall incorporate controls such as contactors, overload relays (OLR), single-phase preventer (SPP), control switches, and MCBs for AC units. The panel shall have a 24V AC power supply for fire interlock. The panel shall have an auto/manual selection switch, on/off push buttons, and on, off, and trip indication lamps, etc. The panel shall have control element features, including a humidistat, thermostat, air stat/airflow switch, and safety thermostat, along with control wiring. The panel shall feature ON/OFF switches with indicators and a bypass DOL/star-delta starter (selected based on motor size) for the VFD, along with a manual changeover switch for transitioning between VFD and bypass operations The fan/blower motor shall be interlocked with heaters (where provided) such that the power supply to the heaters will be switched on only after the blower has been started and run to full designed speed. The panel shall have contactors and breakers for the heater banks, with the required power and control wiring to maintain temperature/RH % as per indoor design conditions.. |
| 179 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/4 inch (6.35 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 180 | Supply, Installation, Testing, and Commissioning of theSoft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:3/8 inch (9.52 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 181 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/2 inch (12.7 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 182 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:5/8 inch (15.88 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 183 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:3/4 inch (19.05 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 184 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:7/8 inch (22.2 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 185 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1.0 inch (25.4 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 186 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/8 inch (28.6 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 187 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/4 inch (31.8 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 188 | Supply, installation, and testing of shielded copper flexible communication cabling between VRF indoor and outdoor units. The communication cable shall be routed through PVC conduits. The cable size shall be 2-core x 1.5 SQMM (or) as per VRF OEMs technical specifications.. |
| 189 | Supply, storage, installation, testing, and commissioning of 22G (0.8 mm) aluminium ductwork in operation theatres of the specified gauge as appropriate, with all accessories, supports, jointing materials, and flanges, complete; all in accordance with SMACNA standards, the specifications, and drawings. The system shall be complete in all respects for commissioning.. |
| 190 | Supply, storage, installation, testing, and commissioning of 20G (1.0 mm) aluminium ductwork in operation theatres of the specified gauge, with all accessories, supports, jointing materials, and flanges, complete; all in accordance with SMACNA standards, the specifications, and drawings. The system shall be complete in all respects for commissioning.. |
| 191 | Supply, installation, testing, and commissioning of 32mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 192 | Supply, installation, fixing, and hanging of factory-fabricated fire-retardant flexible canvas connection of minimum 150 mm width at the outlet of each ducted indoor unit with a zipper to facilitate temperature measurement. The fabric shall be made of polyester cloth with black PVC coating on both sides and a galvanized steel seam.. |
| 193 | Supply, installation, testing, and commissioning of aluminium volume control dampers, complete with neoprene rubber gaskets, nuts, bolts, screws, linkages, and flanges, in accordance with the specifications and drawings.. |
| 194 | Supplying and fixing of following thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class \O\\\") insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation complete as per specifications and as required. Nitrille rubber insulation - 25 mm\\" |
| 195 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Fire damper |
| 196 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Actuator |
| 197 | Supply and installation of fresh air/exhaust air louver constructed from powder-coated aluminium with bird screen as per the specifications and drawings.. |
| 198 | Supply, installation, fixing, and hanging of return air module (nominal size 22 × 14 inches, or sized as per project design and approved by Engineer-in-Charge) with a 10 micron washable prefilter (MERV 7) and a stainless steel grade 304 grille with a thickness of 1.0 mm and a perforated design (3 – 5 mm holes, 50–70% open area). The module shall include a cowl or flanged connection with EPDM gaskets to ensure airtight integration with the existing return riser duct. The grille and filter shall be removable via hinged or panel access for maintenance and cleaning.. |
| 199 | Supply, installation, testing, and commissioning of OT/clean room parameter monitoring system equipped with a touch screen display for the following parameters: room temperature, relative humidity, and differential pressure. The supplied instrument shall be complete with all necessary high-precision sensors, pressure transmission piping, flush-mounted stainless steel enclosures, and other mounting accessories as required.. |
| 200 | OT Validation - Validation of all operating theatres (OTs) as per relevant ISO 14644 standards, post-commissioning by performing the following tests using calibrated instruments : a. Temperature and humidity check b. Air particulate count c. Air change rate calculation d. Air velocity measurement at the face of terminal HEPA filtration d. Pressure differential levels relative to ambient/adjoining areas e. HEPA Filter Validation.. |
| 201 | Supply and installation of under-deck insulation with 13 mm thick fire-retardant Class 0 nitrile rubber, density 40-60 kg/m³, bonded with manufacturer-recommended synthetic adhesive, and held in position with galvanized steel screws, washers, and cross-braced with 20 SWG galvanized steel wire netting.. |
| 202 | HVAC Works |
| 203 | Supply, Installation, Testing and Commissioning of Air-cooled VRV (Variable Refrigerant Volume) / VRF (Variable Refrigerant Flow) Outdoor units (ODU), suitable for Heating and Cooling, equipped with highly efficient, full DC inverter-driven Scroll compressors only, air- cooled heat exchanger having internally grooved copper tubes, and a low-noise condenser fan. The units should have auto-addressing, an auto-check function for connection errors, R-410A/R407C Refrigerant gas. The machine should be fitted with a Noise filter, High-Pressure Switch, Fan Driver Overload Protector, Over-Current Relay, Inverter Overload Protector etc.The outdoor unit and the rest of the indoor units shall remain in operating condition even when the main line power supply of one or more indoor units fails. The ODUs shall be provided with suitable vibration isolators. The system should operate up to a minimum ambient DB temperature of 52 degrees Celsius. The unit shall be equipped with an oil recovery system ensuring stable operation with long refrigeration piping lengths. The system must be provided with an oil balancing circuit to avoid poor lubrication. Compatibility with centralized control systems like BACnet, Lon Works, MODBUS is required.ODUs should be suitable for 3-phase, 415 V, 50Hz supply. along with suitable interconnecting control cabling between IDUs, ODUs, and the central controller, power cabling between ODU and Isolator, earthing with necessary supports between the isolator and single/multiple outdoor units, Pressure Testing, Additional refrigerant charging for commissioning, Vibration isolators etc along with all associated accessories, complete in all respects as per the consultant's approvalVRF ODU Machine ScheduleICU & HDU VRF Circuit: 18 HP OT VRF ODU: 16 HP (8HP+8HP) |
| 204 | Supply and installation of indoor Refnet / Y-joint separation tubes for refrigeration pipe joints and headers, in appropriate orientation to enable proper distribution of refrigerant. The distribution joints shall be factory insulated with pre-formed sections of expanded polystyrene or equivalent.. |
| 205 | Supply and installation of outdoor Refnet / Y-joint separation tubes for refrigeration pipe joints and headers, in appropriate orientation to enable proper distribution of refrigerant. The distribution joints shall be factory insulated with pre-formed sections of expanded polystyrene or equivalent.. |
| 206 | Supply, Installation, Testing, and Commissioning of centralized type remote controller, color touchscreen type with UPS battery backup, all-inclusive of necessary installation supports and wiring. The controller shall function as an advanced air conditioning management system, providing complete control of VRV/VRF air conditioning equipment (including connected air handling units (AHUs)). It shall offer user-friendly operation through its touchscreen, icon display, and color LCD display. The controller shall be compatible with BACnet, LonWorks, or Modbus interface. The controller shall control up to 64 groups of indoor units with the following functions: 1. Start/stop of air conditioners as a zone, group, or individual unit 2. Temperature setting for each indoor unit or zone 3. Switching between temperature control modes, fan speed adjustment, and airflow direction control, including enable/disable of individual remote controller operation 4. Monitoring of operation status, including operation mode, temperature settings of individual indoor units, maintenance information, and troubleshooting details 5. Scheduling indoor unit operating time 6. Displaying air conditioner operation history.. |
| 207 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/4 inch (6.35 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 208 | Supply, Installation, Testing, and Commissioning of theSoft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:3/8 inch (9.52 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 209 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/2 inch (12.7 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 210 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:5/8 inch (15.88 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 211 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:3/4 inch (19.05 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 212 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:7/8 inch (22.2 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 213 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1.0 inch (25.4 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 214 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/8 inch (28.6 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 215 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/4 inch (31.8 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 216 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-3/8 inch (34.9 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 217 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/2 inch (38.1 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 218 | Supply, installation, and testing of shielded copper flexible communication cabling between VRF indoor and outdoor units. The communication cable shall be routed through PVC conduits. The cable size shall be 2-core x 1.5 SQMM (or) as per VRF OEMs technical specifications.. |
| 219 | Supply, installation, testing, and commissioning of 25mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 220 | Supply, installation, testing, and commissioning of 32mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 221 | Supply, installation, testing, and commissioning of 40mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 222 | Supply, installation, testing, and commissioning of 5.5TR - 2200 CFM, 50mm E.S.P, VRF-compatible DX type recirculating factory-built AHUs with 2-stage filtration, 6-row Dx Copper Cooling/Heating coil, , double-skin AHU made of 50 mm thick panels consisting of 0.8 mm thick pre-coated GSS on outside, 0.8 mm thick Aluminum sheet inside with factory-injected PUF with a minimum density of 40 kg/m³. The AHU shall be ceiling-or floor-mounted type, single- or double-deck (as per site conditions) along with thermal-break aluminum extruded profile at corners and joints, complete with plug fan compatible with VFD as specified in the starter panel, suitable IE3 class (per IS 12615) TEFC drive motor with IP55 protection suited for 415 ± 10% volts, 50 Hz, 3-phase AC supply, minimum two-bend GSS/PVC eliminators, cooling coil section with aluminum-finned copper tubes, filter section with 50 mm thick metal viscous/washable synthetic-type air pre- and fine filters (MERV 8 and MERV 14), mixing box, aluminum VCDs on fresh air, return air, and supply air openings, drain connection, 18 G stainless steel 304 with 19 mm NBR-insulated drain pan, necessary vibration isolation arrangement, expansion valve, drier, VRF/DX AHU kit, corded remote controller, limit switches for access doors, inspection lamp. UV-C emitters equipped with reflectors to be mounted on the coil surface using removable extruded aluminum frames. The UV-C emitters to be UL certified and capable of producing minimum 254 nm wavelength radiation, 7.5 W/sqft of coil surface area for equal distribution. Pantype Humidifier (capacity to be proposed by OEM) to be slip-in type tubular heater with step controller to be fitted inside AHU with suitable humidistat, thermostat, air stat/airflow switch, and safety thermostat. Heaters to be arranged in two independently operating banks. One bank shall be operated through humidistat and one bank through thermostat(Strip Heater/Pan Type Humidifier Capacity has to be proposed by manufacturer). All the necessary incoming power and control cabling, earthing between AHU/strip heaters and control panel, all supporting GI hangers, MS angles, channels, nuts, bolts, washers, and other necessary items for unit installation shall be included in the scope of supply. Fans shall be Eurovent/AMCA-certified. AHUs shall be Eurovent/AHRI-certified.. |
| 223 | Supply, installation, testing, and commissioning of 8.5TR - 3400 CFM, 50mm E.S.P, VRF-compatible DX type recirculating factory-built AHUs with 2-stage filtration, 6-row Dx Copper Cooling/Heating coil, double-skin AHU made of 50 mm thick panels consisting of 0.8 mm thick pre-coated GSS on outside, 0.8 mm thick Aluminum sheet inside with factory-injected PUF with a minimum density of 40 kg/m³. The AHU shall be ceiling-or floor-mounted type, single- or double-deck (as per site conditions) along with thermal-break aluminum extruded profile at corners and joints, complete with plug fan compatible with VFD as specified in the starter panel, suitable IE3 class (per IS 12615) TEFC drive motor with IP55 protection suited for 415 ± 10% volts, 50 Hz, 3-phase AC supply, minimum two-bend GSS/PVC eliminators, cooling coil section with aluminum-finned copper tubes, filter section with 50 mm thick metal viscous/washable synthetic-type air pre- and fine filters (MERV 8 and MERV 14), mixing box, aluminum VCDs on fresh air, return air, and supply air openings, drain connection, 18 G stainless steel 304 with 19 mm NBR-insulated drain pan, necessary vibration isolation arrangement, expansion valve, drier, VRF/DX AHU kit, corded remote controller, limit switches for access doors, inspection lamp. UV-C emitters equipped with reflectors to be mounted on the coil surface using removable extruded aluminum frames. The UV-C emitters to be UL certified and capable of producing minimum 254 nm wavelength radiation, 7.5 W/sqft of coil surface area for equal distribution. Heaters (capacity to be proposed by OEM) to be slip-in type tubular heater with step controller to be fitted inside AHU with suitable humidistat, thermostat, air stat/airflow switch, and safety thermostat. Heaters to be arranged in two independently operating banks. One bank shall be operated through humidistat and one bank through thermostat(Strip Heater/Pan Type Humidifier Capacity has to be proposed by manufacturer). All the necessary incoming power and control cabling, earthing between AHU/strip heaters and control panel, all supporting GI hangers, MS angles, channels, nuts, bolts, washers, and other necessary items for unit installation shall be included in the scope of supply. Fans shall be Eurovent/AMCA-certified. AHUs shall be Eurovent/AHRI-certified.. |
| 224 | Supply and installation of a suitable, CPRI-approved (IEC 61439) AHU VFD starter panel, factory-fabricated, wall-mounted type, including all necessary control and power cable wiring between the AHU and the panel. The motor control shall be facilitated by a variable frequency drive (VFD) complying with the latest IEEE 519 standards. The panel shall incorporate controls such as contactors, overload relays (OLR), single-phase preventer (SPP), control switches, and MCBs for AC units. The panel shall have a 24V AC power supply for fire interlock. The panel shall have an auto/manual selection switch, on/off push buttons, and on, off, and trip indication lamps, etc. The panel shall have control element features, including a humidistat, thermostat, air stat/airflow switch, and safety thermostat, along with control wiring. The panel shall feature ON/OFF switches with indicators and a bypass DOL/star-delta starter (selected based on motor size) for the VFD, along with a manual changeover switch for transitioning between VFD and bypass operations The fan/blower motor shall be interlocked with heaters (where provided) such that the power supply to the heaters will be switched on only after the blower has been started and run to full designed speed. The panel shall have contactors and breakers for the heater banks, with the required power and control wiring to maintain temperature/RH % as per indoor design conditions.. |
| 225 | Supply, installation, testing, and commissioning of cabinet fan (EXHAUST AIR) 1200CFM @ minimum 60mm static pressure. The casing shall be double-skin, acoustically lined internally, and constructed from galvanized steel. Fans with three-phase motors shall be equipped with VFD-compatible motors. The fan shall be AMCA-certified for both air performance and sound performance. The fan shall be equipped with a HEPA filter having a minimum efficiency of 99.97% at 0.3 m. The installation cost shall be inclusive of an electronic speed regulator for single-phase fans. For three-phase fans, the installation cost shall include a VFD starter panel, along with necessary power and control wiring for connecting the power supply, fan, and VFD panel, as well as suitable enclosures, mounting brackets, and all other necessary accessories, as per site conditions.. |
| 226 | Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.Factory fabricated GSS sheet metal rectangular ducting as per IS 655-2006 Thickness 0.63 mm sheet |
| 227 | Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.Factory fabricated GSS sheet metal rectangular ducting as per IS 655-2006 Thickness 0.80 mm sheet |
| 228 | Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.Factory fabricated GSS sheet metal rectangular dueling as per IS 655-2006 Thickness 1.00 mm sheet |
| 229 | Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular / round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, etc as per approved drawings and specifications of following sheet thickness complete as required.Site fabricated GSS sheet metal rectangular ducting as per IS 655-2006 for 0.63 mm thick |
| 230 | Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular / round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, etc as per approved drawings and specifications of following sheet thickness complete as required.Site fabricated GSS sheet metal rectangular ducting as per IS 655-2006 for 0.8. mm thick |
| 231 | Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular / round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, etc as per approved drawings and specifications of following sheet thickness complete as required.Site fabricated GSS sheet metal rectangular ducting as per IS 655-2006 for 1.00 mm thick |
| 232 | Supplying and fixing of following thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class \O\\\") insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation complete as per specifications and as required. Nitrille rubber insulation - 25 mm\\" |
| 233 | Supply, storage, installation, testing, and commissioning of 10 mm thick acoustic insulation for ducts using nitrile rubber open-cell foam, fibre-free material with a minimum density of 140 kg/m³. The insulation shall have antimicrobial protection in accordance with ASTM G-21 and ASTM E-2180 and shall conform to Class 1 rating for flame spread as per BS 476 Part 7. The work shall be carried out in line with the specification and designed to meet the required noise criteria. The insulation shall be applied up to a distance of 4 metres from the fan outlet (or) as instructed by the Engineer-in-Charge. The insulation system shall be complete in all respects for commissioning.. |
| 234 | Supply and application of two coats of a vapor barrier coating (Foster painting) on exposed ducts / copper refrigerant pipelines, as per the Engineer-in-Charge’s directions. The work includes surface preparation, application of the vapor barrier coating, and related works to ensure complete coverage and protection.. |
| 235 | Supplying, Fixing, testing and commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc, as per specifications. Gl volume control duct damper |
| 236 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Fire damper |
| 237 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Actuator |
| 238 | Supplying, fixing testing commissioning of supply air diffusers of powder coated aluminum with aluminum volume control dampers with anti smudge ring and removable core. |
| 239 | Supplying, fixing testing commissioning of Return air diffusers of powder coated aluminum without volume control dampers with anti smudge ring and removable core. |
| 240 | Supply and installation of fresh air/exhaust air louver constructed from powder-coated aluminium with bird screen as per the specifications and drawings.. |
| 241 | Supply, installation, fixing, and hanging of factory-fabricated fire-retardant flexible canvas connection of minimum 150 mm width at the outlet of each ducted indoor unit with a zipper to facilitate temperature measurement. The fabric shall be made of polyester cloth with black PVC coating on both sides and a galvanized steel seam.. |
| 242 | OPERATION THEATRE HVAC |
| 243 | Supply, installation, testing, and commissioning of 6.0 TR 2400 CFM, 100mm E.S.P,VRF-compatible DX type recirculating factory-built AHUs with 2-stage filtration, 6-row Dx Copper Cooling/Heating coil, double-skin AHU made of 50 mm thick panels consisting of 0.8 mm thick pre-coated GSS on outside, 0.8 mm thick Aluminum sheet inside with factory-injected PUF with a minimum density of 40 kg/m³. The AHU shall be ceiling- or floor-mounted type, single- or double-deck (as per site conditions) along with thermal-break aluminum extruded profile at corners and joints, complete with plug fan compatible with VFD as specified in the starter panel, suitable IE3 class (per IS 12615) TEFC drive motor with IP55 protection suited for 415 ± 10% volts, 50 Hz, 3-phase AC supply, minimum two-bend GSS/PVC eliminators, cooling coil section with aluminum-finned copper tubes, filter section with 50 mm thick metal viscous/washable synthetic-type air pre- and fine filters (MERV 8 and MERV 14), mixing box, aluminum VCDs on fresh air, return air, and supply air openings, drain connection, 18 G stainless steel 304 with 19 mm NBR-insulated drain pan, necessary vibration isolation arrangement, expansion valve, drier, DX AHU kit, corded remote controller, limit switches for access doors, inspection lamp. UV-C emitters equipped with reflectors to be mounted on the coil surface using removable extruded aluminum frames. The UV-C emitters to be UL certified and capable of producing minimum 254 nm wavelength radiation, 7.5 W/sqft of coil surface area for equal distribution. Pantype Humidifier (capacity to be proposed by OEM) to be slip-in type tubular heater with step controller to be fitted inside AHU with suitable humidistat, thermostat, air stat/airflow switch, and safety thermostat. Heaters to be arranged in two independently operating banks. One bank shall be operated through humidistat and one bank through thermostat(Strip Heater/Pan Type Humidifier Capacity has to be proposed by manufacturer). All the necessary incoming power and control cabling, earthing between AHU/strip heaters and control panel, all supporting GI hangers, MS angles, channels, nuts, bolts, washers, and other necessary items for unit installation shall be included in the scope of supply. Fans shall be Eurovent/AMCA-certified. AHUs shall be Eurovent/AHRI-certified. |
| 244 | Supply, Installation, Testing, and Commissioning of Unidirectional Laminar Air Flow (LAF) plenum, size 2400 x 1800 mm (8 ft x 6 ft), constructed from 1.2 mm thick SS 304 sheet with a provision/cutout for mounting a swivel light set. The plenum shall be equipped with H14 terminal HEPA filters, tested in accordance with EN 1822, with a minimum efficiency of 99.995% at the most penetrating particle size (MPPS). A perforated, tablet-type stainless steel grill cover shall be provided on the bottom, fabricated from SS 304 with a minimum sheet thickness of 1.0 mm. The cover shall be easily removable as required. The plenum shall include a differential pressure port for measuring the pressure drop across the HEPA filters. The HEPA filter casing shall be aluminum, the media shall be microfiber glass paper, and the bonding shall use PU resin. The fins shall be aluminum, blended type. A polyethylene gasket shall be provided. The pressure drop shall not exceed 25 mm WC. The suspended laminar airflow (LAF) system shall provide Class 100 (ISO Class 5) clean air, as defined by ISO 14644-1.. |
| 245 | Supply and installation of a suitable, CPRI-approved (IEC 61439) AHU VFD starter panel, factory-fabricated, wall-mounted type, including all necessary control and power cable wiring between the AHU and the panel. The motor control shall be facilitated by a variable frequency drive (VFD) complying with the latest IEEE 519 standards. The panel shall incorporate controls such as contactors, overload relays (OLR), single-phase preventer (SPP), control switches, and MCBs for AC units. The panel shall have a 24V AC power supply for fire interlock. The panel shall have an auto/manual selection switch, on/off push buttons, and on, off, and trip indication lamps, etc. The panel shall have control element features, including a humidistat, thermostat, air stat/airflow switch, and safety thermostat, along with control wiring. The panel shall feature ON/OFF switches with indicators and a bypass DOL/star-delta starter (selected based on motor size) for the VFD, along with a manual changeover switch for transitioning between VFD and bypass operations The fan/blower motor shall be interlocked with heaters (where provided) such that the power supply to the heaters will be switched on only after the blower has been started and run to full designed speed. The panel shall have contactors and breakers for the heater banks, with the required power and control wiring to maintain temperature/RH % as per indoor design conditions.. |
| 246 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/4 inch (6.35 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 247 | Supply, Installation, Testing, and Commissioning of theSoft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:3/8 inch (9.52 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 248 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/2 inch (12.7 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 249 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:5/8 inch (15.88 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 250 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:3/4 inch (19.05 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 251 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:7/8 inch (22.2 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 252 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1.0 inch (25.4 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 253 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/8 inch (28.6 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 254 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/4 inch (31.8 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 255 | Supply, installation, and testing of shielded copper flexible communication cabling between VRF indoor and outdoor units. The communication cable shall be routed through PVC conduits. The cable size shall be 2-core x 1.5 SQMM (or) as per VRF OEMs technical specifications.. |
| 256 | Supply, storage, installation, testing, and commissioning of 22G (0.8 mm) aluminium ductwork in operation theatres of the specified gauge as appropriate, with all accessories, supports, jointing materials, and flanges, complete; all in accordance with SMACNA standards, the specifications, and drawings. The system shall be complete in all respects for commissioning.. |
| 257 | Supply, storage, installation, testing, and commissioning of 20G (1.0 mm) aluminium ductwork in operation theatres of the specified gauge, with all accessories, supports, jointing materials, and flanges, complete; all in accordance with SMACNA standards, the specifications, and drawings. The system shall be complete in all respects for commissioning.. |
| 258 | Supply, installation, testing, and commissioning of 32mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 259 | Supply, installation, fixing, and hanging of factory-fabricated fire-retardant flexible canvas connection of minimum 150 mm width at the outlet of each ducted indoor unit with a zipper to facilitate temperature measurement. The fabric shall be made of polyester cloth with black PVC coating on both sides and a galvanized steel seam.. |
| 260 | Supply, installation, testing, and commissioning of aluminium volume control dampers, complete with neoprene rubber gaskets, nuts, bolts, screws, linkages, and flanges, in accordance with the specifications and drawings.. |
| 261 | Supplying and fixing of following thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class \O\\\") insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation complete as per specifications and as required. Nitrille rubber insulation - 25 mm\\" |
| 262 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Fire damper |
| 263 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Actuator |
| 264 | Supply and installation of fresh air/exhaust air louver constructed from powder-coated aluminium with bird screen as per the specifications and drawings.. |
| 265 | Supply, installation, fixing, and hanging of return air module (nominal size 22 × 14 inches, or sized as per project design and approved by Engineer-in-Charge) with a 10 micron washable prefilter (MERV 7) and a stainless steel grade 304 grille with a thickness of 1.0 mm and a perforated design (3 – 5 mm holes, 50–70% open area). The module shall include a cowl or flanged connection with EPDM gaskets to ensure airtight integration with the existing return riser duct. The grille and filter shall be removable via hinged or panel access for maintenance and cleaning.. |
| 266 | Supply, installation, testing, and commissioning of OT/clean room parameter monitoring system equipped with a touch screen display for the following parameters: room temperature, relative humidity, and differential pressure. The supplied instrument shall be complete with all necessary high-precision sensors, pressure transmission piping, flush-mounted stainless steel enclosures, and other mounting accessories as required.. |
| 267 | OT Validation - Validation of all operating theatres (OTs) as per relevant ISO 14644 standards, post-commissioning by performing the following tests using calibrated instruments : a. Temperature and humidity check b. Air particulate count c. Air change rate calculation d. Air velocity measurement at the face of terminal HEPA filtration d. Pressure differential levels relative to ambient/adjoining areas e. HEPA Filter Validation.. |
| 268 | Supply and installation of under-deck insulation with 13 mm thick fire-retardant Class 0 nitrile rubber, density 40-60 kg/m³, bonded with manufacturer-recommended synthetic adhesive, and held in position with galvanized steel screws, washers, and cross-braced with 20 SWG galvanized steel wire netting.. |
| 269 | HVAC Works |
| 270 | Supply, Installation, Testing and Commissioning of Air-cooled VRV (Variable Refrigerant Volume) / VRF (Variable Refrigerant Flow) Outdoor units (ODU), suitable for Heating and Cooling, equipped with highly efficient, full DC inverter-driven Scroll compressors only, air- cooled heat exchanger having internally grooved copper tubes, and a low-noise condenser fan. The units should have auto-addressing, an auto-check function for connection errors, R-410A/R407C Refrigerant gas. The machine should be fitted with a Noise filter, High-Pressure Switch, Fan Driver Overload Protector, Over-Current Relay, Inverter Overload Protector etc.The outdoor unit and the rest of the indoor units shall remain in operating condition even when the main line power supply of one or more indoor units fails. The ODUs shall be provided with suitable vibration isolators. The system should operate up to a minimum ambient DB temperature of 52 degrees Celsius. The unit shall be equipped with an oil recovery system ensuring stable operation with long refrigeration piping lengths. The system must be provided with an oil balancing circuit to avoid poor lubrication. Compatibility with centralized control systems like BACnet, Lon Works, MODBUS is required.ODUs should be suitable for 3-phase, 415 V, 50Hz supply. along with suitable interconnecting control cabling between IDUs, ODUs, and the central controller, power cabling between ODU and Isolator, earthing with necessary supports between the isolator and single/multiple outdoor units, Pressure Testing, Additional refrigerant charging for commissioning, Vibration isolators etc along with all associated accessories, complete in all respects as per the consultant's approvalVRF ODU Machine ScheduleICU & HDU VRF Circuit: 18 HP OT VRF ODU: 16 HP (8HP+8HP) |
| 271 | Supply and installation of indoor Refnet / Y-joint separation tubes for refrigeration pipe joints and headers, in appropriate orientation to enable proper distribution of refrigerant. The distribution joints shall be factory insulated with pre-formed sections of expanded polystyrene or equivalent.. |
| 272 | Supply and installation of outdoor Refnet / Y-joint separation tubes for refrigeration pipe joints and headers, in appropriate orientation to enable proper distribution of refrigerant. The distribution joints shall be factory insulated with pre-formed sections of expanded polystyrene or equivalent.. |
| 273 | Supply, Installation, Testing, and Commissioning of centralized type remote controller, color touchscreen type with UPS battery backup, all-inclusive of necessary installation supports and wiring. The controller shall function as an advanced air conditioning management system, providing complete control of VRV/VRF air conditioning equipment (including connected air handling units (AHUs)). It shall offer user-friendly operation through its touchscreen, icon display, and color LCD display. The controller shall be compatible with BACnet, LonWorks, or Modbus interface. The controller shall control up to 64 groups of indoor units with the following functions: 1. Start/stop of air conditioners as a zone, group, or individual unit 2. Temperature setting for each indoor unit or zone 3. Switching between temperature control modes, fan speed adjustment, and airflow direction control, including enable/disable of individual remote controller operation 4. Monitoring of operation status, including operation mode, temperature settings of individual indoor units, maintenance information, and troubleshooting details 5. Scheduling indoor unit operating time 6. Displaying air conditioner operation history.. |
| 274 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/4 inch (6.35 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 275 | Supply, Installation, Testing, and Commissioning of theSoft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:3/8 inch (9.52 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 276 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/2 inch (12.7 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 277 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:5/8 inch (15.88 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 278 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:3/4 inch (19.05 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 279 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:7/8 inch (22.2 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 280 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1.0 inch (25.4 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 281 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/8 inch (28.6 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 282 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/4 inch (31.8 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 283 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-3/8 inch (34.9 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 284 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/2 inch (38.1 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 285 | Supply, installation, and testing of shielded copper flexible communication cabling between VRF indoor and outdoor units. The communication cable shall be routed through PVC conduits. The cable size shall be 2-core x 1.5 SQMM (or) as per VRF OEMs technical specifications.. |
| 286 | Supply, installation, testing, and commissioning of 25mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 287 | Supply, installation, testing, and commissioning of 32mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 288 | Supply, installation, testing, and commissioning of 40mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 289 | Supply, installation, testing, and commissioning of 5.5TR - 2200 CFM, 50mm E.S.P, VRF-compatible DX type recirculating factory-built AHUs with 2-stage filtration, 6-row Dx Copper Cooling/Heating coil, , double-skin AHU made of 50 mm thick panels consisting of 0.8 mm thick pre-coated GSS on outside, 0.8 mm thick Aluminum sheet inside with factory-injected PUF with a minimum density of 40 kg/m³. The AHU shall be ceiling-or floor-mounted type, single- or double-deck (as per site conditions) along with thermal-break aluminum extruded profile at corners and joints, complete with plug fan compatible with VFD as specified in the starter panel, suitable IE3 class (per IS 12615) TEFC drive motor with IP55 protection suited for 415 ± 10% volts, 50 Hz, 3-phase AC supply, minimum two-bend GSS/PVC eliminators, cooling coil section with aluminum-finned copper tubes, filter section with 50 mm thick metal viscous/washable synthetic-type air pre- and fine filters (MERV 8 and MERV 14), mixing box, aluminum VCDs on fresh air, return air, and supply air openings, drain connection, 18 G stainless steel 304 with 19 mm NBR-insulated drain pan, necessary vibration isolation arrangement, expansion valve, drier, VRF/DX AHU kit, corded remote controller, limit switches for access doors, inspection lamp. UV-C emitters equipped with reflectors to be mounted on the coil surface using removable extruded aluminum frames. The UV-C emitters to be UL certified and capable of producing minimum 254 nm wavelength radiation, 7.5 W/sqft of coil surface area for equal distribution. Pantype Humidifier (capacity to be proposed by OEM) to be slip-in type tubular heater with step controller to be fitted inside AHU with suitable humidistat, thermostat, air stat/airflow switch, and safety thermostat. Heaters to be arranged in two independently operating banks. One bank shall be operated through humidistat and one bank through thermostat(Strip Heater/Pan Type Humidifier Capacity has to be proposed by manufacturer). All the necessary incoming power and control cabling, earthing between AHU/strip heaters and control panel, all supporting GI hangers, MS angles, channels, nuts, bolts, washers, and other necessary items for unit installation shall be included in the scope of supply. Fans shall be Eurovent/AMCA-certified. AHUs shall be Eurovent/AHRI-certified.. |
| 290 | Supply, installation, testing, and commissioning of 8.5TR - 3400 CFM, 50mm E.S.P, VRF-compatible DX type recirculating factory-built AHUs with 2-stage filtration, 6-row Dx Copper Cooling/Heating coil, double-skin AHU made of 50 mm thick panels consisting of 0.8 mm thick pre-coated GSS on outside, 0.8 mm thick Aluminum sheet inside with factory-injected PUF with a minimum density of 40 kg/m³. The AHU shall be ceiling-or floor-mounted type, single- or double-deck (as per site conditions) along with thermal-break aluminum extruded profile at corners and joints, complete with plug fan compatible with VFD as specified in the starter panel, suitable IE3 class (per IS 12615) TEFC drive motor with IP55 protection suited for 415 ± 10% volts, 50 Hz, 3-phase AC supply, minimum two-bend GSS/PVC eliminators, cooling coil section with aluminum-finned copper tubes, filter section with 50 mm thick metal viscous/washable synthetic-type air pre- and fine filters (MERV 8 and MERV 14), mixing box, aluminum VCDs on fresh air, return air, and supply air openings, drain connection, 18 G stainless steel 304 with 19 mm NBR-insulated drain pan, necessary vibration isolation arrangement, expansion valve, drier, VRF/DX AHU kit, corded remote controller, limit switches for access doors, inspection lamp. UV-C emitters equipped with reflectors to be mounted on the coil surface using removable extruded aluminum frames. The UV-C emitters to be UL certified and capable of producing minimum 254 nm wavelength radiation, 7.5 W/sqft of coil surface area for equal distribution. Heaters (capacity to be proposed by OEM) to be slip-in type tubular heater with step controller to be fitted inside AHU with suitable humidistat, thermostat, air stat/airflow switch, and safety thermostat. Heaters to be arranged in two independently operating banks. One bank shall be operated through humidistat and one bank through thermostat(Strip Heater/Pan Type Humidifier Capacity has to be proposed by manufacturer). All the necessary incoming power and control cabling, earthing between AHU/strip heaters and control panel, all supporting GI hangers, MS angles, channels, nuts, bolts, washers, and other necessary items for unit installation shall be included in the scope of supply. Fans shall be Eurovent/AMCA-certified. AHUs shall be Eurovent/AHRI-certified.. |
| 291 | Supply and installation of a suitable, CPRI-approved (IEC 61439) AHU VFD starter panel, factory-fabricated, wall-mounted type, including all necessary control and power cable wiring between the AHU and the panel. The motor control shall be facilitated by a variable frequency drive (VFD) complying with the latest IEEE 519 standards. The panel shall incorporate controls such as contactors, overload relays (OLR), single-phase preventer (SPP), control switches, and MCBs for AC units. The panel shall have a 24V AC power supply for fire interlock. The panel shall have an auto/manual selection switch, on/off push buttons, and on, off, and trip indication lamps, etc. The panel shall have control element features, including a humidistat, thermostat, air stat/airflow switch, and safety thermostat, along with control wiring. The panel shall feature ON/OFF switches with indicators and a bypass DOL/star-delta starter (selected based on motor size) for the VFD, along with a manual changeover switch for transitioning between VFD and bypass operations The fan/blower motor shall be interlocked with heaters (where provided) such that the power supply to the heaters will be switched on only after the blower has been started and run to full designed speed. The panel shall have contactors and breakers for the heater banks, with the required power and control wiring to maintain temperature/RH % as per indoor design conditions.. |
| 292 | Supply, installation, testing, and commissioning of cabinet fan (EXHAUST AIR) 1200CFM @ minimum 60mm static pressure. The casing shall be double-skin, acoustically lined internally, and constructed from galvanized steel. Fans with three-phase motors shall be equipped with VFD-compatible motors. The fan shall be AMCA-certified for both air performance and sound performance. The fan shall be equipped with a HEPA filter having a minimum efficiency of 99.97% at 0.3 m. The installation cost shall be inclusive of an electronic speed regulator for single-phase fans. For three-phase fans, the installation cost shall include a VFD starter panel, along with necessary power and control wiring for connecting the power supply, fan, and VFD panel, as well as suitable enclosures, mounting brackets, and all other necessary accessories, as per site conditions.. |
| 293 | Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.Factory fabricated GSS sheet metal rectangular ducting as per IS 655-2006 Thickness 0.63 mm sheet |
| 294 | Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.Factory fabricated GSS sheet metal rectangular ducting as per IS 655-2006 Thickness 0.80 mm sheet |
| 295 | Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.Factory fabricated GSS sheet metal rectangular dueling as per IS 655-2006 Thickness 1.00 mm sheet |
| 296 | Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular / round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, etc as per approved drawings and specifications of following sheet thickness complete as required.Site fabricated GSS sheet metal rectangular ducting as per IS 655-2006 for 0.63 mm thick |
| 297 | Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular / round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, etc as per approved drawings and specifications of following sheet thickness complete as required.Site fabricated GSS sheet metal rectangular ducting as per IS 655-2006 for 0.8. mm thick |
| 298 | Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular / round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, etc as per approved drawings and specifications of following sheet thickness complete as required.Site fabricated GSS sheet metal rectangular ducting as per IS 655-2006 for 1.00 mm thick |
| 299 | Supplying and fixing of following thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class \O\\\") insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation complete as per specifications and as required. Nitrille rubber insulation - 25 mm\\" |
| 300 | Supply, storage, installation, testing, and commissioning of 10 mm thick acoustic insulation for ducts using nitrile rubber open-cell foam, fibre-free material with a minimum density of 140 kg/m³. The insulation shall have antimicrobial protection in accordance with ASTM G-21 and ASTM E-2180 and shall conform to Class 1 rating for flame spread as per BS 476 Part 7. The work shall be carried out in line with the specification and designed to meet the required noise criteria. The insulation shall be applied up to a distance of 4 metres from the fan outlet (or) as instructed by the Engineer-in-Charge. The insulation system shall be complete in all respects for commissioning.. |
| 301 | Supply and application of two coats of a vapor barrier coating (Foster painting) on exposed ducts / copper refrigerant pipelines, as per the Engineer-in-Charge’s directions. The work includes surface preparation, application of the vapor barrier coating, and related works to ensure complete coverage and protection.. |
| 302 | Supplying, Fixing, testing and commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc, as per specifications. Gl volume control duct damper |
| 303 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Fire damper |
| 304 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Actuator |
| 305 | Supplying, fixing testing commissioning of supply air diffusers of powder coated aluminum with aluminum volume control dampers with anti smudge ring and removable core. |
| 306 | Supplying, fixing testing commissioning of Return air diffusers of powder coated aluminum without volume control dampers with anti smudge ring and removable core. |
| 307 | Supply and installation of fresh air/exhaust air louver constructed from powder-coated aluminium with bird screen as per the specifications and drawings.. |
| 308 | Supply, installation, fixing, and hanging of factory-fabricated fire-retardant flexible canvas connection of minimum 150 mm width at the outlet of each ducted indoor unit with a zipper to facilitate temperature measurement. The fabric shall be made of polyester cloth with black PVC coating on both sides and a galvanized steel seam.. |
| 309 | OPERATION THEATRE HVAC |
| 310 | Supply, installation, testing, and commissioning of 6.0 TR 2400 CFM, 100mm E.S.P,VRF-compatible DX type recirculating factory-built AHUs with 2-stage filtration, 6-row Dx Copper Cooling/Heating coil, double-skin AHU made of 50 mm thick panels consisting of 0.8 mm thick pre-coated GSS on outside, 0.8 mm thick Aluminum sheet inside with factory-injected PUF with a minimum density of 40 kg/m³. The AHU shall be ceiling- or floor-mounted type, single- or double-deck (as per site conditions) along with thermal-break aluminum extruded profile at corners and joints, complete with plug fan compatible with VFD as specified in the starter panel, suitable IE3 class (per IS 12615) TEFC drive motor with IP55 protection suited for 415 ± 10% volts, 50 Hz, 3-phase AC supply, minimum two-bend GSS/PVC eliminators, cooling coil section with aluminum-finned copper tubes, filter section with 50 mm thick metal viscous/washable synthetic-type air pre- and fine filters (MERV 8 and MERV 14), mixing box, aluminum VCDs on fresh air, return air, and supply air openings, drain connection, 18 G stainless steel 304 with 19 mm NBR-insulated drain pan, necessary vibration isolation arrangement, expansion valve, drier, DX AHU kit, corded remote controller, limit switches for access doors, inspection lamp. UV-C emitters equipped with reflectors to be mounted on the coil surface using removable extruded aluminum frames. The UV-C emitters to be UL certified and capable of producing minimum 254 nm wavelength radiation, 7.5 W/sqft of coil surface area for equal distribution. Pantype Humidifier (capacity to be proposed by OEM) to be slip-in type tubular heater with step controller to be fitted inside AHU with suitable humidistat, thermostat, air stat/airflow switch, and safety thermostat. Heaters to be arranged in two independently operating banks. One bank shall be operated through humidistat and one bank through thermostat(Strip Heater/Pan Type Humidifier Capacity has to be proposed by manufacturer). All the necessary incoming power and control cabling, earthing between AHU/strip heaters and control panel, all supporting GI hangers, MS angles, channels, nuts, bolts, washers, and other necessary items for unit installation shall be included in the scope of supply. Fans shall be Eurovent/AMCA-certified. AHUs shall be Eurovent/AHRI-certified. |
| 311 | Supply, Installation, Testing, and Commissioning of Unidirectional Laminar Air Flow (LAF) plenum, size 2400 x 1800 mm (8 ft x 6 ft), constructed from 1.2 mm thick SS 304 sheet with a provision/cutout for mounting a swivel light set. The plenum shall be equipped with H14 terminal HEPA filters, tested in accordance with EN 1822, with a minimum efficiency of 99.995% at the most penetrating particle size (MPPS). A perforated, tablet-type stainless steel grill cover shall be provided on the bottom, fabricated from SS 304 with a minimum sheet thickness of 1.0 mm. The cover shall be easily removable as required. The plenum shall include a differential pressure port for measuring the pressure drop across the HEPA filters. The HEPA filter casing shall be aluminum, the media shall be microfiber glass paper, and the bonding shall use PU resin. The fins shall be aluminum, blended type. A polyethylene gasket shall be provided. The pressure drop shall not exceed 25 mm WC. The suspended laminar airflow (LAF) system shall provide Class 100 (ISO Class 5) clean air, as defined by ISO 14644-1.. |
| 312 | Supply and installation of a suitable, CPRI-approved (IEC 61439) AHU VFD starter panel, factory-fabricated, wall-mounted type, including all necessary control and power cable wiring between the AHU and the panel. The motor control shall be facilitated by a variable frequency drive (VFD) complying with the latest IEEE 519 standards. The panel shall incorporate controls such as contactors, overload relays (OLR), single-phase preventer (SPP), control switches, and MCBs for AC units. The panel shall have a 24V AC power supply for fire interlock. The panel shall have an auto/manual selection switch, on/off push buttons, and on, off, and trip indication lamps, etc. The panel shall have control element features, including a humidistat, thermostat, air stat/airflow switch, and safety thermostat, along with control wiring. The panel shall feature ON/OFF switches with indicators and a bypass DOL/star-delta starter (selected based on motor size) for the VFD, along with a manual changeover switch for transitioning between VFD and bypass operations The fan/blower motor shall be interlocked with heaters (where provided) such that the power supply to the heaters will be switched on only after the blower has been started and run to full designed speed. The panel shall have contactors and breakers for the heater banks, with the required power and control wiring to maintain temperature/RH % as per indoor design conditions.. |
| 313 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/4 inch (6.35 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 314 | Supply, Installation, Testing, and Commissioning of theSoft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:3/8 inch (9.52 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 315 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/2 inch (12.7 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 316 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:5/8 inch (15.88 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 317 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:3/4 inch (19.05 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 318 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:7/8 inch (22.2 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 319 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1.0 inch (25.4 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 320 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/8 inch (28.6 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 321 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/4 inch (31.8 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 322 | Supply, installation, and testing of shielded copper flexible communication cabling between VRF indoor and outdoor units. The communication cable shall be routed through PVC conduits. The cable size shall be 2-core x 1.5 SQMM (or) as per VRF OEMs technical specifications.. |
| 323 | Supply, storage, installation, testing, and commissioning of 22G (0.8 mm) aluminium ductwork in operation theatres of the specified gauge as appropriate, with all accessories, supports, jointing materials, and flanges, complete; all in accordance with SMACNA standards, the specifications, and drawings. The system shall be complete in all respects for commissioning.. |
| 324 | Supply, storage, installation, testing, and commissioning of 20G (1.0 mm) aluminium ductwork in operation theatres of the specified gauge, with all accessories, supports, jointing materials, and flanges, complete; all in accordance with SMACNA standards, the specifications, and drawings. The system shall be complete in all respects for commissioning.. |
| 325 | Supply, installation, testing, and commissioning of 32mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 326 | Supply, installation, fixing, and hanging of factory-fabricated fire-retardant flexible canvas connection of minimum 150 mm width at the outlet of each ducted indoor unit with a zipper to facilitate temperature measurement. The fabric shall be made of polyester cloth with black PVC coating on both sides and a galvanized steel seam.. |
| 327 | Supply, installation, testing, and commissioning of aluminium volume control dampers, complete with neoprene rubber gaskets, nuts, bolts, screws, linkages, and flanges, in accordance with the specifications and drawings.. |
| 328 | Supplying and fixing of following thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class \O\\\") insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation complete as per specifications and as required. Nitrille rubber insulation - 25 mm\\" |
| 329 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Fire damper |
| 330 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Actuator |
| 331 | Supply and installation of fresh air/exhaust air louver constructed from powder-coated aluminium with bird screen as per the specifications and drawings.. |
| 332 | Supply, installation, fixing, and hanging of return air module (nominal size 22 × 14 inches, or sized as per project design and approved by Engineer-in-Charge) with a 10 micron washable prefilter (MERV 7) and a stainless steel grade 304 grille with a thickness of 1.0 mm and a perforated design (3 – 5 mm holes, 50–70% open area). The module shall include a cowl or flanged connection with EPDM gaskets to ensure airtight integration with the existing return riser duct. The grille and filter shall be removable via hinged or panel access for maintenance and cleaning.. |
| 333 | Supply, installation, testing, and commissioning of OT/clean room parameter monitoring system equipped with a touch screen display for the following parameters: room temperature, relative humidity, and differential pressure. The supplied instrument shall be complete with all necessary high-precision sensors, pressure transmission piping, flush-mounted stainless steel enclosures, and other mounting accessories as required.. |
| 334 | OT Validation - Validation of all operating theatres (OTs) as per relevant ISO 14644 standards, post-commissioning by performing the following tests using calibrated instruments : a. Temperature and humidity check b. Air particulate count c. Air change rate calculation d. Air velocity measurement at the face of terminal HEPA filtration d. Pressure differential levels relative to ambient/adjoining areas e. HEPA Filter Validation.. |
| 335 | Supply and installation of under-deck insulation with 13 mm thick fire-retardant Class 0 nitrile rubber, density 40-60 kg/m³, bonded with manufacturer-recommended synthetic adhesive, and held in position with galvanized steel screws, washers, and cross-braced with 20 SWG galvanized steel wire netting.. |
| 336 | HVAC Works |
| 337 | Supply, Installation, Testing and Commissioning of Air-cooled VRV (Variable Refrigerant Volume) / VRF (Variable Refrigerant Flow) Outdoor units (ODU), suitable for Heating and Cooling, equipped with highly efficient, full DC inverter-driven Scroll compressors only, air- cooled heat exchanger having internally grooved copper tubes, and a low-noise condenser fan. The units should have auto-addressing, an auto-check function for connection errors, R-410A/R407C Refrigerant gas. The machine should be fitted with a Noise filter, High-Pressure Switch, Fan Driver Overload Protector, Over-Current Relay, Inverter Overload Protector etc.The outdoor unit and the rest of the indoor units shall remain in operating condition even when the main line power supply of one or more indoor units fails. The ODUs shall be provided with suitable vibration isolators. The system should operate up to a minimum ambient DB temperature of 52 degrees Celsius. The unit shall be equipped with an oil recovery system ensuring stable operation with long refrigeration piping lengths. The system must be provided with an oil balancing circuit to avoid poor lubrication. Compatibility with centralized control systems like BACnet, Lon Works, MODBUS is required.ODUs should be suitable for 3-phase, 415 V, 50Hz supply. along with suitable interconnecting control cabling between IDUs, ODUs, and the central controller, power cabling between ODU and Isolator, earthing with necessary supports between the isolator and single/multiple outdoor units, Pressure Testing, Additional refrigerant charging for commissioning, Vibration isolators etc along with all associated accessories, complete in all respects as per the consultant's approvalVRF ODU Machine ScheduleICU & HDU VRF Circuit: 18 HP OT VRF ODU: 16 HP (8HP+8HP) |
| 338 | Supply and installation of indoor Refnet / Y-joint separation tubes for refrigeration pipe joints and headers, in appropriate orientation to enable proper distribution of refrigerant. The distribution joints shall be factory insulated with pre-formed sections of expanded polystyrene or equivalent.. |
| 339 | Supply and installation of outdoor Refnet / Y-joint separation tubes for refrigeration pipe joints and headers, in appropriate orientation to enable proper distribution of refrigerant. The distribution joints shall be factory insulated with pre-formed sections of expanded polystyrene or equivalent.. |
| 340 | Supply, Installation, Testing, and Commissioning of centralized type remote controller, color touchscreen type with UPS battery backup, all-inclusive of necessary installation supports and wiring. The controller shall function as an advanced air conditioning management system, providing complete control of VRV/VRF air conditioning equipment (including connected air handling units (AHUs)). It shall offer user-friendly operation through its touchscreen, icon display, and color LCD display. The controller shall be compatible with BACnet, LonWorks, or Modbus interface. The controller shall control up to 64 groups of indoor units with the following functions: 1. Start/stop of air conditioners as a zone, group, or individual unit 2. Temperature setting for each indoor unit or zone 3. Switching between temperature control modes, fan speed adjustment, and airflow direction control, including enable/disable of individual remote controller operation 4. Monitoring of operation status, including operation mode, temperature settings of individual indoor units, maintenance information, and troubleshooting details 5. Scheduling indoor unit operating time 6. Displaying air conditioner operation history.. |
| 341 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/4 inch (6.35 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 342 | Supply, Installation, Testing, and Commissioning of theSoft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:3/8 inch (9.52 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 343 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/2 inch (12.7 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 344 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:5/8 inch (15.88 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 345 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:3/4 inch (19.05 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 346 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:7/8 inch (22.2 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 347 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1.0 inch (25.4 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 348 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/8 inch (28.6 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 349 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/4 inch (31.8 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 350 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-3/8 inch (34.9 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 351 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/2 inch (38.1 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 352 | Supply, installation, and testing of shielded copper flexible communication cabling between VRF indoor and outdoor units. The communication cable shall be routed through PVC conduits. The cable size shall be 2-core x 1.5 SQMM (or) as per VRF OEMs technical specifications.. |
| 353 | Supply, installation, testing, and commissioning of 25mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 354 | Supply, installation, testing, and commissioning of 32mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 355 | Supply, installation, testing, and commissioning of 40mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 356 | Supply, installation, testing, and commissioning of 5.5TR - 2200 CFM, 50mm E.S.P, VRF-compatible DX type recirculating factory-built AHUs with 2-stage filtration, 6-row Dx Copper Cooling/Heating coil, , double-skin AHU made of 50 mm thick panels consisting of 0.8 mm thick pre-coated GSS on outside, 0.8 mm thick Aluminum sheet inside with factory-injected PUF with a minimum density of 40 kg/m³. The AHU shall be ceiling-or floor-mounted type, single- or double-deck (as per site conditions) along with thermal-break aluminum extruded profile at corners and joints, complete with plug fan compatible with VFD as specified in the starter panel, suitable IE3 class (per IS 12615) TEFC drive motor with IP55 protection suited for 415 ± 10% volts, 50 Hz, 3-phase AC supply, minimum two-bend GSS/PVC eliminators, cooling coil section with aluminum-finned copper tubes, filter section with 50 mm thick metal viscous/washable synthetic-type air pre- and fine filters (MERV 8 and MERV 14), mixing box, aluminum VCDs on fresh air, return air, and supply air openings, drain connection, 18 G stainless steel 304 with 19 mm NBR-insulated drain pan, necessary vibration isolation arrangement, expansion valve, drier, VRF/DX AHU kit, corded remote controller, limit switches for access doors, inspection lamp. UV-C emitters equipped with reflectors to be mounted on the coil surface using removable extruded aluminum frames. The UV-C emitters to be UL certified and capable of producing minimum 254 nm wavelength radiation, 7.5 W/sqft of coil surface area for equal distribution. Pantype Humidifier (capacity to be proposed by OEM) to be slip-in type tubular heater with step controller to be fitted inside AHU with suitable humidistat, thermostat, air stat/airflow switch, and safety thermostat. Heaters to be arranged in two independently operating banks. One bank shall be operated through humidistat and one bank through thermostat(Strip Heater/Pan Type Humidifier Capacity has to be proposed by manufacturer). All the necessary incoming power and control cabling, earthing between AHU/strip heaters and control panel, all supporting GI hangers, MS angles, channels, nuts, bolts, washers, and other necessary items for unit installation shall be included in the scope of supply. Fans shall be Eurovent/AMCA-certified. AHUs shall be Eurovent/AHRI-certified.. |
| 357 | Supply, installation, testing, and commissioning of 8.5TR - 3400 CFM, 50mm E.S.P, VRF-compatible DX type recirculating factory-built AHUs with 2-stage filtration, 6-row Dx Copper Cooling/Heating coil, double-skin AHU made of 50 mm thick panels consisting of 0.8 mm thick pre-coated GSS on outside, 0.8 mm thick Aluminum sheet inside with factory-injected PUF with a minimum density of 40 kg/m³. The AHU shall be ceiling-or floor-mounted type, single- or double-deck (as per site conditions) along with thermal-break aluminum extruded profile at corners and joints, complete with plug fan compatible with VFD as specified in the starter panel, suitable IE3 class (per IS 12615) TEFC drive motor with IP55 protection suited for 415 ± 10% volts, 50 Hz, 3-phase AC supply, minimum two-bend GSS/PVC eliminators, cooling coil section with aluminum-finned copper tubes, filter section with 50 mm thick metal viscous/washable synthetic-type air pre- and fine filters (MERV 8 and MERV 14), mixing box, aluminum VCDs on fresh air, return air, and supply air openings, drain connection, 18 G stainless steel 304 with 19 mm NBR-insulated drain pan, necessary vibration isolation arrangement, expansion valve, drier, VRF/DX AHU kit, corded remote controller, limit switches for access doors, inspection lamp. UV-C emitters equipped with reflectors to be mounted on the coil surface using removable extruded aluminum frames. The UV-C emitters to be UL certified and capable of producing minimum 254 nm wavelength radiation, 7.5 W/sqft of coil surface area for equal distribution. Heaters (capacity to be proposed by OEM) to be slip-in type tubular heater with step controller to be fitted inside AHU with suitable humidistat, thermostat, air stat/airflow switch, and safety thermostat. Heaters to be arranged in two independently operating banks. One bank shall be operated through humidistat and one bank through thermostat(Strip Heater/Pan Type Humidifier Capacity has to be proposed by manufacturer). All the necessary incoming power and control cabling, earthing between AHU/strip heaters and control panel, all supporting GI hangers, MS angles, channels, nuts, bolts, washers, and other necessary items for unit installation shall be included in the scope of supply. Fans shall be Eurovent/AMCA-certified. AHUs shall be Eurovent/AHRI-certified.. |
| 358 | Supply and installation of a suitable, CPRI-approved (IEC 61439) AHU VFD starter panel, factory-fabricated, wall-mounted type, including all necessary control and power cable wiring between the AHU and the panel. The motor control shall be facilitated by a variable frequency drive (VFD) complying with the latest IEEE 519 standards. The panel shall incorporate controls such as contactors, overload relays (OLR), single-phase preventer (SPP), control switches, and MCBs for AC units. The panel shall have a 24V AC power supply for fire interlock. The panel shall have an auto/manual selection switch, on/off push buttons, and on, off, and trip indication lamps, etc. The panel shall have control element features, including a humidistat, thermostat, air stat/airflow switch, and safety thermostat, along with control wiring. The panel shall feature ON/OFF switches with indicators and a bypass DOL/star-delta starter (selected based on motor size) for the VFD, along with a manual changeover switch for transitioning between VFD and bypass operations The fan/blower motor shall be interlocked with heaters (where provided) such that the power supply to the heaters will be switched on only after the blower has been started and run to full designed speed. The panel shall have contactors and breakers for the heater banks, with the required power and control wiring to maintain temperature/RH % as per indoor design conditions.. |
| 359 | Supply, installation, testing, and commissioning of cabinet fan (EXHAUST AIR) 1200CFM @ minimum 60mm static pressure. The casing shall be double-skin, acoustically lined internally, and constructed from galvanized steel. Fans with three-phase motors shall be equipped with VFD-compatible motors. The fan shall be AMCA-certified for both air performance and sound performance. The fan shall be equipped with a HEPA filter having a minimum efficiency of 99.97% at 0.3 m. The installation cost shall be inclusive of an electronic speed regulator for single-phase fans. For three-phase fans, the installation cost shall include a VFD starter panel, along with necessary power and control wiring for connecting the power supply, fan, and VFD panel, as well as suitable enclosures, mounting brackets, and all other necessary accessories, as per site conditions.. |
| 360 | Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.Factory fabricated GSS sheet metal rectangular ducting as per IS 655-2006 Thickness 0.63 mm sheet |
| 361 | Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.Factory fabricated GSS sheet metal rectangular ducting as per IS 655-2006 Thickness 0.80 mm sheet |
| 362 | Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.Factory fabricated GSS sheet metal rectangular dueling as per IS 655-2006 Thickness 1.00 mm sheet |
| 363 | Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular / round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, etc as per approved drawings and specifications of following sheet thickness complete as required.Site fabricated GSS sheet metal rectangular ducting as per IS 655-2006 for 0.63 mm thick |
| 364 | Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular / round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, etc as per approved drawings and specifications of following sheet thickness complete as required.Site fabricated GSS sheet metal rectangular ducting as per IS 655-2006 for 0.8. mm thick |
| 365 | Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular / round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, etc as per approved drawings and specifications of following sheet thickness complete as required.Site fabricated GSS sheet metal rectangular ducting as per IS 655-2006 for 1.00 mm thick |
| 366 | Supplying and fixing of following thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class \O\\\") insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation complete as per specifications and as required. Nitrille rubber insulation - 25 mm\\" |
| 367 | Supply, storage, installation, testing, and commissioning of 10 mm thick acoustic insulation for ducts using nitrile rubber open-cell foam, fibre-free material with a minimum density of 140 kg/m³. The insulation shall have antimicrobial protection in accordance with ASTM G-21 and ASTM E-2180 and shall conform to Class 1 rating for flame spread as per BS 476 Part 7. The work shall be carried out in line with the specification and designed to meet the required noise criteria. The insulation shall be applied up to a distance of 4 metres from the fan outlet (or) as instructed by the Engineer-in-Charge. The insulation system shall be complete in all respects for commissioning.. |
| 368 | Supply and application of two coats of a vapor barrier coating (Foster painting) on exposed ducts / copper refrigerant pipelines, as per the Engineer-in-Charge’s directions. The work includes surface preparation, application of the vapor barrier coating, and related works to ensure complete coverage and protection.. |
| 369 | Supplying, Fixing, testing and commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc, as per specifications. Gl volume control duct damper |
| 370 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Fire damper |
| 371 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Actuator |
| 372 | Supplying, fixing testing commissioning of supply air diffusers of powder coated aluminum with aluminum volume control dampers with anti smudge ring and removable core. |
| 373 | Supplying, fixing testing commissioning of Return air diffusers of powder coated aluminum without volume control dampers with anti smudge ring and removable core. |
| 374 | Supply and installation of fresh air/exhaust air louver constructed from powder-coated aluminium with bird screen as per the specifications and drawings.. |
| 375 | Supply, installation, fixing, and hanging of factory-fabricated fire-retardant flexible canvas connection of minimum 150 mm width at the outlet of each ducted indoor unit with a zipper to facilitate temperature measurement. The fabric shall be made of polyester cloth with black PVC coating on both sides and a galvanized steel seam.. |
| 376 | OPERATION THEATRE HVAC |
| 377 | Supply, installation, testing, and commissioning of 6.0 TR 2400 CFM, 100mm E.S.P,VRF-compatible DX type recirculating factory-built AHUs with 2-stage filtration, 6-row Dx Copper Cooling/Heating coil, double-skin AHU made of 50 mm thick panels consisting of 0.8 mm thick pre-coated GSS on outside, 0.8 mm thick Aluminum sheet inside with factory-injected PUF with a minimum density of 40 kg/m³. The AHU shall be ceiling- or floor-mounted type, single- or double-deck (as per site conditions) along with thermal-break aluminum extruded profile at corners and joints, complete with plug fan compatible with VFD as specified in the starter panel, suitable IE3 class (per IS 12615) TEFC drive motor with IP55 protection suited for 415 ± 10% volts, 50 Hz, 3-phase AC supply, minimum two-bend GSS/PVC eliminators, cooling coil section with aluminum-finned copper tubes, filter section with 50 mm thick metal viscous/washable synthetic-type air pre- and fine filters (MERV 8 and MERV 14), mixing box, aluminum VCDs on fresh air, return air, and supply air openings, drain connection, 18 G stainless steel 304 with 19 mm NBR-insulated drain pan, necessary vibration isolation arrangement, expansion valve, drier, DX AHU kit, corded remote controller, limit switches for access doors, inspection lamp. UV-C emitters equipped with reflectors to be mounted on the coil surface using removable extruded aluminum frames. The UV-C emitters to be UL certified and capable of producing minimum 254 nm wavelength radiation, 7.5 W/sqft of coil surface area for equal distribution. Pantype Humidifier (capacity to be proposed by OEM) to be slip-in type tubular heater with step controller to be fitted inside AHU with suitable humidistat, thermostat, air stat/airflow switch, and safety thermostat. Heaters to be arranged in two independently operating banks. One bank shall be operated through humidistat and one bank through thermostat(Strip Heater/Pan Type Humidifier Capacity has to be proposed by manufacturer). All the necessary incoming power and control cabling, earthing between AHU/strip heaters and control panel, all supporting GI hangers, MS angles, channels, nuts, bolts, washers, and other necessary items for unit installation shall be included in the scope of supply. Fans shall be Eurovent/AMCA-certified. AHUs shall be Eurovent/AHRI-certified. |
| 378 | Supply, Installation, Testing, and Commissioning of Unidirectional Laminar Air Flow (LAF) plenum, size 2400 x 1800 mm (8 ft x 6 ft), constructed from 1.2 mm thick SS 304 sheet with a provision/cutout for mounting a swivel light set. The plenum shall be equipped with H14 terminal HEPA filters, tested in accordance with EN 1822, with a minimum efficiency of 99.995% at the most penetrating particle size (MPPS). A perforated, tablet-type stainless steel grill cover shall be provided on the bottom, fabricated from SS 304 with a minimum sheet thickness of 1.0 mm. The cover shall be easily removable as required. The plenum shall include a differential pressure port for measuring the pressure drop across the HEPA filters. The HEPA filter casing shall be aluminum, the media shall be microfiber glass paper, and the bonding shall use PU resin. The fins shall be aluminum, blended type. A polyethylene gasket shall be provided. The pressure drop shall not exceed 25 mm WC. The suspended laminar airflow (LAF) system shall provide Class 100 (ISO Class 5) clean air, as defined by ISO 14644-1.. |
| 379 | Supply and installation of a suitable, CPRI-approved (IEC 61439) AHU VFD starter panel, factory-fabricated, wall-mounted type, including all necessary control and power cable wiring between the AHU and the panel. The motor control shall be facilitated by a variable frequency drive (VFD) complying with the latest IEEE 519 standards. The panel shall incorporate controls such as contactors, overload relays (OLR), single-phase preventer (SPP), control switches, and MCBs for AC units. The panel shall have a 24V AC power supply for fire interlock. The panel shall have an auto/manual selection switch, on/off push buttons, and on, off, and trip indication lamps, etc. The panel shall have control element features, including a humidistat, thermostat, air stat/airflow switch, and safety thermostat, along with control wiring. The panel shall feature ON/OFF switches with indicators and a bypass DOL/star-delta starter (selected based on motor size) for the VFD, along with a manual changeover switch for transitioning between VFD and bypass operations The fan/blower motor shall be interlocked with heaters (where provided) such that the power supply to the heaters will be switched on only after the blower has been started and run to full designed speed. The panel shall have contactors and breakers for the heater banks, with the required power and control wiring to maintain temperature/RH % as per indoor design conditions.. |
| 380 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/4 inch (6.35 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 381 | Supply, Installation, Testing, and Commissioning of theSoft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:3/8 inch (9.52 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 382 | Supply, Installation, Testing, and Commissioning of the Soft drawn Copper Pipe 19/20 Gauge with 19mm thick Insulation:1/2 inch (12.7 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 383 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:5/8 inch (15.88 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 384 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:3/4 inch (19.05 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 385 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:7/8 inch (22.2 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 386 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1.0 inch (25.4 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 387 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/8 inch (28.6 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 388 | Supply, Installation, Testing, and Commissioning of the Hard drawn Copper Pipe 18/19 Gauge with 19mm thick Insulation:1-1/4 inch (31.8 mm) gas/liquid insulated copper piping. The insulation for copper piping shall be round, closed-cell, antimicrobial nitrile rubber sleeve insulation. The minimum R-values for pipes shall be 0.4 for pipe sizes less than 40 mm and 0.7 for pipe sizes 40 mm and above. Insulation shall be finished with 7 mils of factory-laminated fiberglass cloth. The thermal conductivity of the insulation material shall not exceed 0.035 W/(m·K) at a mean temperature of 0°C as per EN ISO 8497. The installation includes suction filters for the gas line, a filter drier, and a sight glass for the liquid line per the system design between each indoor and outdoor unit. The scope of work shall include chasing, drilling, core cutting, and concealing in walls, as per site conditions, along with the required pipe fittings and accessories such as bends, tees, reducers, Y-joints, supports, refnets, and wall clamps, for the proper commissioning of the VRF/VRV circuit. The thickness of the fittings shall match the pipe thickness. PVC sleeves shall be securely fixed over the copper pipes to provide a protective barrier at all wall openings and along support channels. The work shall be completed as per the consultants approval. The contractor shall ensure that the pipe size and thickness of all refrigerant pipes installed are in accordance with the Original Equipment Manufacturer (OEM) recommended technical specifications.. |
| 389 | Supply, installation, and testing of shielded copper flexible communication cabling between VRF indoor and outdoor units. The communication cable shall be routed through PVC conduits. The cable size shall be 2-core x 1.5 SQMM (or) as per VRF OEMs technical specifications.. |
| 390 | Supply, storage, installation, testing, and commissioning of 22G (0.8 mm) aluminium ductwork in operation theatres of the specified gauge as appropriate, with all accessories, supports, jointing materials, and flanges, complete; all in accordance with SMACNA standards, the specifications, and drawings. The system shall be complete in all respects for commissioning.. |
| 391 | Supply, storage, installation, testing, and commissioning of 20G (1.0 mm) aluminium ductwork in operation theatres of the specified gauge, with all accessories, supports, jointing materials, and flanges, complete; all in accordance with SMACNA standards, the specifications, and drawings. The system shall be complete in all respects for commissioning.. |
| 392 | Supply, installation, testing, and commissioning of 32mm dia rigid UPVC condensate drain piping duly insulated with 9 mm thick closed-cell nitrile finished with 7 mils factory-laminated glass cloth, along with necessary U-trap, clamps, fittings such as bends, tees, and other necessary fittings, adequately supported as per site requirements, conforming to tender specifications.. |
| 393 | Supply, installation, fixing, and hanging of factory-fabricated fire-retardant flexible canvas connection of minimum 150 mm width at the outlet of each ducted indoor unit with a zipper to facilitate temperature measurement. The fabric shall be made of polyester cloth with black PVC coating on both sides and a galvanized steel seam.. |
| 394 | Supply, installation, testing, and commissioning of aluminium volume control dampers, complete with neoprene rubber gaskets, nuts, bolts, screws, linkages, and flanges, in accordance with the specifications and drawings.. |
| 395 | Supplying and fixing of following thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class \O\\\") insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation complete as per specifications and as required. Nitrille rubber insulation - 25 mm\\" |
| 396 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Fire damper |
| 397 | Supplying, Fixing, testing and commissioning of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Actuator |
| 398 | Supply and installation of fresh air/exhaust air louver constructed from powder-coated aluminium with bird screen as per the specifications and drawings.. |
| 399 | Supply, installation, fixing, and hanging of return air module (nominal size 22 × 14 inches, or sized as per project design and approved by Engineer-in-Charge) with a 10 micron washable prefilter (MERV 7) and a stainless steel grade 304 grille with a thickness of 1.0 mm and a perforated design (3 – 5 mm holes, 50–70% open area). The module shall include a cowl or flanged connection with EPDM gaskets to ensure airtight integration with the existing return riser duct. The grille and filter shall be removable via hinged or panel access for maintenance and cleaning.. |
| 400 | Supply, installation, testing, and commissioning of OT/clean room parameter monitoring system equipped with a touch screen display for the following parameters: room temperature, relative humidity, and differential pressure. The supplied instrument shall be complete with all necessary high-precision sensors, pressure transmission piping, flush-mounted stainless steel enclosures, and other mounting accessories as required.. |
| 401 | OT Validation - Validation of all operating theatres (OTs) as per relevant ISO 14644 standards, post-commissioning by performing the following tests using calibrated instruments : a. Temperature and humidity check b. Air particulate count c. Air change rate calculation d. Air velocity measurement at the face of terminal HEPA filtration d. Pressure differential levels relative to ambient/adjoining areas e. HEPA Filter Validation.. |
| 402 | Supply and installation of under-deck insulation with 13 mm thick fire-retardant Class 0 nitrile rubber, density 40-60 kg/m³, bonded with manufacturer-recommended synthetic adhesive, and held in position with galvanized steel screws, washers, and cross-braced with 20 SWG galvanized steel wire netting.. |
| 403 | CH DEHRA |
| 404 | 2nd Year |
| 405 | 3rd Year |
| 406 | 4th Year |
| 407 | 5th Year |
| 408 | 6th Year |
| 409 | CH POANTA SAHIB |
| 410 | 2nd Year |
| 411 | 3rd Year |
| 412 | 4th Year |
| 413 | 5th Year |
| 414 | 6th Year |
| 415 | CH MANALI |
| 416 | 2nd Year |
| 417 | 3rd Year |
| 418 | 4th Year |
| 419 | 5th Year |
| 420 | 6th Year |
| 421 | RH SOLAN |
| 422 | 2nd Year |
| 423 | 3rd Year |
| 424 | 4th Year |
| 425 | 5th Year |
| 426 | 6th Year |
| 427 | RH RECKONG PEO |
| 428 | 2nd Year |
| 429 | 3rd Year |
| 430 | 4th Year |
| 431 | 5th Year |
| 432 | 6th Year |
| 433 | Dr. RKGMCH HAMIRPUR |
| 434 | 2nd Year |
| 435 | 3rd Year |
| 436 | 4th Year |
| 437 | 5th Year |
| 438 | 6th Year Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Sep 16, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedSep 24, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 4 daysSep 25, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 5 daysTender Documents
Download All (ZIP) ↓
Disclaimer
We takes all possible care for accurate & authentic tender information. However users are requested to refer Original source of Tender Notice / Tender Document published by Tender Issuing Agency before taking any call regarding this tender