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| 1 | Supply, installation, testing and commissioning Inverter scroll type water cooled chiller Unit ( Minimum of 24 TR nominal capacity and 20 TR actual Capacity ) 03 Nos.(02 Working + 01 No. Standby) factory designed, pre-fabricated and floor-mounted hermetically sealed Inverter scroll type water cooled chiller machine of at least TR as mentioned in below nominal capacity and complete with scroll compressors having independent refrigerant circuits & automatic stepless capacity control, water-cooled type condenser, horizontal flooded type evaporator with MS shell and seamless copper tubes with elastomeric insulation, suitable numbers of herrmatically sealed Inverter compressor/s, lubrication system as per manufacturer's design required for smooth and trouble-free operation of the chiller package, common base frame, interconnected copper refrigerant piping along with elastomeric |
| 2 | insulation, fittings, valves, expansion valves and accessories to interconnect compressor, condenser, chiller and expansion valve, microprocessor based control panel comprising of controls including sensors and equipped with a keyboard, LCD touchscreen min 7\\" access input system, protection and monitoring devices to perform control functions, wiring, vibration isolators, gauge panel, automatic safety controls, flow switch at evaporator and condenser and ozone friendly, CFC-free refrigerant R- 410A/R407A all complete as specified and directed by the engineer-in-charge and accessories complete to maintain inside condition as under : to be installed to achieve the inside temperature 22°C+/- 2°C and RH 55 +/- 5% at Engr Service Building GTRE and based on other conditions as given in the User Data sheet and all as required as per the standard code of practice in the given field |
| 3 | Care has been taken to include all items as per below given detail however in case any item of work civi or electrical or mechanical not specifically specified but essentially required for successful and efficient completion and commissioning of air conditioning system shall be procured and fitted in the system to achieve the targeted and optimum performance, the cost of which is deemed included in the quoted tender rates against each item and as a whole of the system. (Engr Service Building GTRE ).Chilled water Leaving Temp. (6.67 °C),Chilled water Entering Temp. (12.2 °C), Evaporator fouling factor = 0.018 m2. °C/kW ,Condenser water Entering Temp. (32.2 °C) .Condenser water Leaving Temp. (36.4 °C),Suitable for Seismic Zone and Altitude as per location/site.Microprocessor based controller.Operational period ' and comprising of the following :- |
| 4 | (i) Restrained Spring Isolators Vibration Isolator Of Approved Make and specifications - Spring elements shall have a lateral stiffness greater than 1.2 times the rated vertical stiffness and shall be designed to provide a minimum of 50% overload capacity. Non-welded spring elements shall be polyester powder coated, and shall have a 1000 hr rating when tested in accordance with ASTM B-117. Springs shall be deflections as per operating load design of equipment.(ii) Single Arch Rubber Bellow for Chillers as per requirement complete with Control Guide Assembly(iii) Initial / first charge of refrigerant gas & compressor - Necessary civil work viz. foundation for placement of chillers, etc. shall be deemed to be included in the scope of work.Notes: The rate quoted by the contractor is deemed to be included the following:-1. The initial charging of refregerant gas.2. The testing of the plant after installation.3. The scope includes thermo meter, pressure gauges, air vent, civil works, cabling and other work in complete to make the plants totally functional. |
| 5 | Supplying, installing, testing and commissioning of factory built, floor mounted, site assembled double skin Air Handling units (AHUs) 15000 CFM / 500 TR / 36 KW EuroVent/BIS certified.complete with following specifications.(a) Standard 40 mm thick panels consisting of pre plasticized painted sheet casing of thickness 0.8mm outside layer and 0.8 mm inside layer with zinc coating and polyurethane foam (PUF) insulation having density of 40kg/cum factory injected between them by injection moulding machine, view windows, marine Lamp, limit switch, electrically interlocked fan section with hinged access door, fire retardant flexible joints for outlets of the units. Drain connection with stainless steel drain pan duly insulated and necessary vibration isolation arrangement to avoid any vibration etc complete all as specified and directed.(b) The extruded aluminium framework shall be with non-thermal break profiles as required, |
| 6 | (c) Fan section complete with DIDW Centrifugal fan with backward curved impeller selected for an outlet velocity of less than or equal to 8 M/s and Noise level shall be below 65 dB A levels at distance of 1.5 mtr from AHU. (Fan velocity shall not exceed 8.5 m/s) Fan outlet velocity 1600 FPM (Applicable for DIDW Belt driven Fans)(d) TEFC motors (IE3 efficiency) suitable for 415 ± 10% volts, 50 Hz, 3 phase AC supply. (e) Chilled water cooling coil with aluminium blue finned copper tubes (tube thickness not less than 0.5mm), The face velocity across cooling coil shall be limited to 450 FPM max.The scope shall include Supply, Installation, Testing and Commissioning of sutiable size electronic, self balancing Heater to be considered for maintain the humidity of 55 +/- 5%. Heater control should be added in the AHU panel. AHU should have Cooling 6/8 row deep including suitable size PVC drain pipe with 13mm thick insulation to nearest connection and laid on and including perforated /ladder type tray.f) Supply air stream shall have MERV 13 Filter section or equivalent, having pre (EU4, more than 90% efficiency for 10 Microns) and fine (Bag filter EU7 3 Microns). |
| 7 | (g) Unit shall be complete with opposed blade aluminium volume control dampers at Supply, Return & Fresh Air opening in AHU.(h) Control Panel should be with AHU with VFD and bypass option including Heater and UVGI control in the same panel.(j) UVGI lamps( UL certified) - (Each AHU will have combination of 2 feet long UVGI lamps, each lamp shall cover effectively 4sqft of area ) in coil section of AHU. The scope shall include electrical wiring and electrical isolator for following capacities. The purpose of these UVGI lamps emitters is to improve indoor air quality (IAQ) by eliminating mould, bacteria and other contaminants in down stream section.Note: Fresh air changes shall be as per new NABH norms(k) AHU's shall be mounted on P.C.C 1:2:4 type B1 blocks of required size with neoprene pads in between as per manufacturers instructions (Engr Service Building GTRE ). |
| 8 | Design & Supply, installation, testing & commissioning of Not less than 200 USGPM / 60TR FRP construction, Induced Draft, Cross flow Cooling Towers (single / multicell as mentioned below), complete with FRP basin, honeycomb design PVC fill, drift eliminators, hot water distributors, low noise adjustable pitch propeller type fan of FRP & Belt Driven along with casing, coupled with TEFC Squirrel cage induction motor weather-proof with cowl for outdoor installation. Basin shall be provided with accessories like quickfill, makeup & drain pipes, Pvc construction float valve, overflow pipe etc. Motor shall be suitable for 415V ± 10%, 50Hz ± 5%, 3-phase AC supply. Motor shall be suitable for VFD operation i.e. motor suitable for any low voltage & low frequency range due to speed variation through VFD without heating and noise generation |
| 9 | Separate motor shall be provided in each cell in case of multi cell towers. The fan / fan motor shall be isolated from the cooling tower structure . Each tower/ each cell shall be complete with its suitable HDG Steel ladder with safety cage as per specifications. The cooling tower shall be certified for test procedure as per CTI STD-201. Motors shall be TEFC, Squirrel cage induction motors, IP 66, Class F insulation.Motor Effeciency shall be as per ECBC 2017: ECBC: IE2,Cooling Towers Efficiency: As per Table 5.18 of ECBC-2017. Weather conditions of site location (Engr Service Building GTRE) BANGLORE as mentioned below: |
| 10 | (a) Summer DBT / *Summer WBT: As per Banglore Condition (b) Monsoon DBT /* Monsoon WBT: As per Banglore Condition (c) Wet bulb temp. to be considered for cooling tower sizing: 83°F(d) Cooling Tower Approach: 7°F(e) Condenser water OUT (Leaving Water Temp.) LWT: 89.6°F (Considered WBT + Cooling Tower Approach)(f) Condenser water flow rate: 4 USGPM X TR of Chiller Capacity(j) Cooling tower's capacity should be adequate for total heat rejection, which shall be the total chiller capacity (TR) plus the BHP of chiller motor (IKW of motor) i.e. motor heat. Cooling Tower as described above. |
| 11 | Supply, Installation, Testing and Commissioning of Non-self-priming, single-stage, centrifugal mono block design coupled with TEFC squirrel cage induction motor, factory mounted on a common base frame. Pump set shall be provided with bronze impeller, CI Body, mechanical seal & cushy foot mounts for vibration isolation. Motor shall be suitable for 2900 RPM, 415 ± 10% volts, 50 ± 5%Hz, 3 phase AC supply. Motors shall be TEFC, Squirrel cage induction motors , IP 55, Class F insulation. Motor Effeciency shall be as per ECBC 2017: As per ECBC: Not less than 80%, Motor for VFD driven pumps shall be suitable for VFD operation with higher grade of winding insulation to take care of heating due to operation at lower frequencies & lower voltages.ECBC: IE3 , Engr Service Building GTRE - Not less than 200 USGPM / 16-20 M Head (1W+1S) & providing a pressure gauge in each pump set of suitable capacity alongwith suitable foundation with neoprene rubber anti-vibration ribbed pads, suitable starter complete all as specified and directed. |
| 12 | Supply, Installation, Testing and Commissioning of, single-stage, centrifugal mono block design coupled with TEFC squirrel cage induction motor, factory mounted on a common base frame. Pump set shall be provided with bronze impeller, CI Body, mechanical seal & cushy foot mounts for vibration isolation. Motor shall be suitable for 2900 RPM, 415 ± 10% volts, 50 ± 5%Hz, 3 phase AC supply. Motors shall be TEFC, Squirrel cage induction motors , IP 55, Class F insulation., Motor Effeciency shall be as per ECBC 2017: ECBC: IE3 , Pump Mechanical Efficiency: As per ECBC: 2017: As per ECBC: Not less than 80%, Motor for VFD driven pumps shall be suitable for VFD operation with higher grade of winding insulation to take care of heating due to operation at lower frequencies & lower voltages.complete all as specified and directed (Engg service bidg GTRE) |
| 13 | Supply, laying / fixing, testing and commissioning of chilled water circulation piping including necessary fittings viz. bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of 32mm thickness laminated with 26G aluminium cladding with necessary accessories complete all as specified and directed. |
| 14 | 100 mm |
| 15 | 80 mm dia |
| 16 | Supplying, fixing, testing and commissioning of condenser water pipes of following sizes of MS 'C' class along with necessary clamps, vibration isolators and fittings such as bends, tees etc. but excluding valves, strainers, gauges etc. adequately supported on rigid supports duly painted/buried in ground excavation and refilling etc. as per specification and as required complete in all respect. Note:-The Pipes size 150mm & below shall be M.S. 'C' class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. And from minimum 8mm thick MS sheet for pipes of 400 mm dia and above with GC Cloth and 2mm thick FRP Coating complete all as specified and directed. |
| 17 | (a) 100 mm |
| 18 | (b) 80 mm dia |
| 19 | Supplying, fixing of butterfly valves BUTTERFLY VALVE (MANUAL) Suitable dia piping with CI body SS Disc, Nitrile Rubber Seal & O- Ring PN 1.6 pressure rating for chilled water circulation as specified and with Insulation As per Specification, strainers, gauges in the chilled brine plumbing duly insulated to the same specifications as the connected piping and adequately supported complete all as specified and directed. |
| 20 | (a) 100 mm |
| 21 | (b) 80 mm dia |
| 22 | (c) 65 mm dia |
| 23 | Supplying, fixing of NON-RETURN VALVE of suitable size with dual plate of CI body SS plates vulcanized NBR seal flanged end & PN 1.6 pressure rating for chilled circulation including insulation complete all as specified and directed. |
| 24 | (a) 100 mm |
| 25 | (b) 80 mm dia |
| 26 | Supplying, fixing of Y-STRAINER of size with Ductile CI Body flanged ends with stainless steel strainer for chilled water circulation including insulation complete all as specified and directed. |
| 27 | (a) 100 mm |
| 28 | (b) 80 mm dia |
| 29 | Providing and fixing in position the industrial type glycerine filled pressure gauge gauges with gun metal / brass valves complete all as specified and directed. |
| 30 | Providing & fixing in position the mercury in glass industrial type thermometers complete all as specified and directed. |
| 31 | Supply, installation, testing and commissioning of Automatic Air vents - 15/25mm dia complete all as specified and directed. |
| 32 | Supply, installation, balancing and commissioning of factory or hand fabricated GSS sheet metal not less than 180 GSM 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 all as specified and directed.Notes:- (a) Lock Forming Quality prime material alongwith mill test certificates. (b) Samples of raw material subject to approval and tested for thickness and zinc coating at contractor’s expense.(c) All duct construction and installation shall be in accordance with IS standards.(d) The cost of thermal insulation will be measured and paid seperately |
| 33 | (a) 24 gauge galvanized sheet steel (0.63mm) (0-750mm) |
| 34 | (b) 22 gauge galvanized sheet steel (0.80mm) (751-1500mm) |
| 35 | (c ) 20 gauge galvanized sheet steel (1.00mm) (1501-2200mm) |
| 36 | (d) 18 gauge galvanized sheet steel (1.25mm) (2201 & above and for AHU plenums) |
| 37 | Supply, Installation, Testing and commissioning of Thermal insulation material for Duct insulation shall be anti-microbial closed cell cross linked polyethylene foam. Thermal conductivity of the insulation material shall not exceed 0.032 W/mo K at an average temperature of 23o C. Density of the material shall be 25-30 Kg/m3 . The product shall have temperature range of –40 o C to 105o C. Theinsulation material shall be fire rated for Class 1 as per BS 476 Part 7, 1987 for surface spread of flame test. Water vapour permeability as per DIN 52615 shall not exceed 0.15ng/Pa.Sec.m. Thermal conductivity of the material shall not be affected by ageing, as per DIN 52616. The material must be tested for ageing effect in an accredited laboratory for a minimum period of five years to satisfy the ageing criteria. The smoke density of the material as per AS-1530.3 shall not exceed 1. There shall be no toxicity in the emitted smoke, both under flaming and non-flaming conditions, as per AITM 3.000 (1993). 19mm for Supply DUCT with factory laminated glass cloth with UV coating adesive complete all as specified and directed. |
| 38 | Supply and fixing of acoustic lining of supply air duct and plenum with 25 mm thick resin bonded glass wool having density of 32 kg/m³, with 25 mm X 25 mm GI section of 1.25 mm thick, at 600 mm centre to centre covered with inforced Plastic tissue paper and 0.5 mm thick perforated aluminum sheet fixed to inside surface of ducts with admium plated nuts, bolts, stick pins, CPRX compound etc. of work including cost of all materials, labour charges, loading, unloading, lead lift, transportation charges and GST etc complete all as specified and directed. |
| 39 | Supply, installation, testing & commissioning of multi blade,aerofoil design blade, motorised combined fire & smoke dampers with spring return. The damper shall be of atleast 120 minutes 250 deg C fire rating. The motorized combined fire & smoke damper shall be UL listed as per latest UL 555'S' leakage Class-1. The damper shall be constructed out of 16G GI galvanised sheet steel blades of aerofoil design with seal and Double Skin design and 16G GI frame. It shall be complete with control panel, actuator, sensor and inter-locking / wiring / connection. Dampers shall be as per approved shop drawings. The damper actuator shall be BMS Compatible. The actuator shall provide open and close feedback to BMS System.Fire damper shall be with an extended sleeve.with control panel complete all as specified and directed . |
| 40 | Supply, installation and testing of GSS construction opposed multi blade volume control dampers complete with bush, gears, linkages, shaft & operating handles within ducts to be provided with suitable links, levers and quadrants for manual control of volume of air flow and for proper balancing of the air, complete all as specified and directed (1.6mm thick blades & 1.6mm thick frame). |
| 41 | Supply, installation, testing & commissioning of Supply air /return air grill portion of continous liner grill shall have heavy duty opposed blade Aluminium volume control damper Extruded Aluminium Powder coated (Extruded Aluminium thickness frame shall be 1mm), fixed bar continuous liner grills with borders on all sides. Louver/blade front thickness shall be 5 mm & rear thickness shall be 1 mm, louver centre to centre spacing/blade pitch 13 mm and flange shall be 19.5mm. The border / frame, spacers & fixed horizontal bars / louvers shall be of heavy gauge extruded Aluminium. The bars shall be parallel to long dimension i.e. Horizontal fixed louvres/blades.The bars shall be 0° or 15° deflection, one way or two way deflection as called for. complete all as specified and diretced |
| 42 | Supply, Installation, testing and commissioning of electronic operated two way ON/OFF valves with actuator 80 mm dia, Self-balancing, Pressure independent type dynamic balancing Valve with integrated 2 way modulating Control valves in a single body. The actuator shall be capable of accepting 2-10VCD, 4-20 mA electric signal and shall provide similar transduced feedback output signal to control system. The minimum close off Pressure of actuator must be 1.5 times shut off head of pump as per specifications complete including thermal insulation complete all as specified and directed.Note: Actuator should be spring return type for 100 % closing of valve bellows for chilled water pumps and condensers circulating pumps of size 80 mm dia complete all as specified and directed |
| 43 | HVAC PANEL -Supply, installation, commissioning and testing of factory made, CPRI type tested, indoor, cubical compartmental type \\"HVAC Panel\\" of suitable size, conforming to IEC 61439-1 &2, IEC 61641, having both sides openable with hinged double doors & locking arrangement and IP 42 protection made out of 2.0 mm thick mild steel CRCA sheet, supported and fixed on structural frame of angle iron of suitable size, including earthing stud, labeling, painting to all internal & external exposed steel surfaces with powder coating paint (7 tank process), duly fixed in ground with PCC foundation (1:2:4) type B1, with danger notice plate of 1.6 mm thick mild steel sheet, vitreous enameled (white) with letters figures and conventional skull and bones in signal red colour, suitable for 3- Phase 4 Wire system, 500 V grade with necessary wiring, PVC sheathed stranded copper conductor of appropriate length & size, including fixing lugs, bolts, screws etc. with accessories complete all as specified and directed. |
| 44 | Make: CPRI approved panel builder The HVAC Panel shall comprise of the following: Busbar Chamber of copper busbar of rated capacity 300 A, covered with PVC insulated sleeves including insulator, nuts, bolts, etc. with complete connection - 01 Set Incoming(a) 250 A, 415 V, Ics = 100% Icu = 36 kA, 50 Hz FP MCCB, conforming to IEC 60947-2, having thermal magnetic based trip unit, adjustable overload setting (0.7 - 1 X In), adjustable short-circuit setting (5 - 10 X Ir), adjustable neutral protection (N, N/2, OFF), front indication LEDs (Ready, Overload and pre-alarm & Overload), etc.- 01 No. (b) Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interupts - 01 No. (c) LED phase indicators (Red, Yellow, Blue) - 01 Set |
| 45 | Outgoing:(a) 125 A, 415 V, Ics = Icu = 16 kA, conforming to IEC 60947- 2, 50 Hz, TP MCCB with adjustable thermal settings & fixed magnetic settings with compression lug connectors and thermal magnetic trip unit (TMD)- 03 Nos. [for chillers] (b) 100 A, 415 V, Ics = Icu = 16 kA, conforming to IEC 60947- 2, 50 Hz, TP MCCB with adjustable thermal settings (0.70- 1 X In) & fixed magnetic settings with compression lug connectors and thermal magnetic trip unit (TMD)- 01 Nos. [for AHU] (c) 32 A, 415 V, Ics = Icu = 16 kA, conforming to IEC 60947- 2, 50 Hz, TP MCB with adjustable thermal settings & fixed magnetic settings with compression lug connectors and thermal magnetic trip unit (TMD)- 05 Nos. [for chilled water supply pump, condenser water supply pump & cooling tower](d) 63 A, 415 V, Ics = Icu = 16 kA, conforming to IEC 60947- 2, 50 Hz, TP MCCB with adjustable thermal settings & fixed magnetic settings with compression lug connectors and thermal magnetic trip unit (TMD)- 01 Nos (for APFC) (e) 32 A SPN MCB - for local light controls |
| 46 | (f) LED phase indicators (Red, Yellow, Blue)- 12 Set [v] Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interupts12 Nos.(g) DOL Starter suitable for chilled water circulation pump - 02 Nos.(h) DOL Starter suitable for condenser water pump -2 Nos.(j) DOL Starter suitable for cooling tower motor -01 Nos.Note: The start/stop and sequencing/scheduling of pump motors shall be integrated with the CPM as per specifications |
| 47 | Supply, install testing and commissioning indoor type dust vermi proof LT panel consist of separate compartment for each feeder with locking arrangements fabricated out of 2 mm thick MS sheet floor mounting type with suitable size of base frame , channel and legs made of suitable angle iron with powder coated (7 Tank process ) after precoated primer inclduing necessary PCC 1:3:6 type C2 foundation of panel board inclduing earth work and comprising of the follwoing :(a) Bus BAr chamber of 3 Phase 4 pole and neutral 4 strip 415 volt with 240 AMp copper strip - 01 Set (b) Moulded Case Circuit Breaker 4 pole 30 KA breaking capacity (Icu) 100 Amp rating with adjustable over load ( 70% to 100% ) with thermal magnetic release - 01 Nos ( Incoming) (c) Moulded Case Circuit Breaker 3 pole 16 KA breaking capacity (Icu) 63 Amp rating with adjustable over load ( 70% to 100% ) with thermal magnetic release - 04 Nos ( Out going - 03 Nos for package Unit +01 Nos heater ) (d) Spare for additional two MCB Location : HMNT and Test Cell -3 AC Plant - 02 Nos |
| 48 | Supply , install , commissioning and testing of Air Cooled PackagedAir Conditioners, comprising of Hermetic/Semi - Hermeticallysealed Reciprocating or Hermetically sealed Scroll Compressors with microprocessor based control, including copper refirgerant piping, electrtical interconnection between indoor and outdoor units , suitable for operation on R - 407c/R -410a refrigerants and of nominal capacity 11 TR (a) Location HMNTB CELL -3 GTRE- 03 Nos(b) Location: CALIBRATION LAB GTRE - 03 Nos (i) Hermatically sealed Scroll compressor suitable for working on R-134a/ R-407a/R-410a refrigerant gas. (ii) Micro-processor based control panel for user- friendly operation with safety & protection like high pressure, low pressure, Anti -recycle, Sensor error, low room air temperature etc.(iii) Suction and Discharge valves; (d) Capacity control valves ; (e) Crank case Heaters(iv) Air cooled type condenser matching the compressor capacity with all accessories(v) Interconnected Refrigeration piping; (h) First charge of refrigerant gas and oil. |
| 49 | Notes:- (1)The condensing unit shall be installed on PCC block of suitable size with vibration isolation ( Rubber pad ) arrangement. (2) The condensing unit shall be in single housing with base frame and the micro-processor based control panel shall be mounted on condensing unit. (3) The electric motor for compressor drive shall be squirrel cage induction motor rating suitable for 3phase ,415 volts +10% ,50Hz + 2%, AC electric supply complete with suitable capacity fully automatic star-delta starter ( to be installed in micro-processor panel.(4) The unit shall be suitable for operation on 415 Volts + 10 % , 50 Hz + 2 %, AC, 3 Phase electric supply.(5) Rate quoted by the contractor shall be deemed to included for leak testing with dry nitrogen gas to compete system for 48 hours and initial charging with refrigerant gas etc complete all as specified and as directed. |
| 50 | Dismantling /taking down /transporting carefully old Unsv ducting items off any size and capacity with all connected acessories complete all as specified and directed. |
| 51 | Dismantling /taking down /transporting carefully BER Central AC Plant/Package type AC plant off any size and capacity with all connected acessories (Excluding ducting items).(i) After disconnectioning the existing Central/package type AC unit (Indoor and Out door) with cables /Copper tubes connections including making good the distrubed surfaces to match with existing surface and shifting the same to AGE E/M store yard with out damage to the Central/Package type AC Plants by using lifting machines, transporting through vehicle and stacking in proper position as per the direction of Engineer-in-Charge complete.(ii) Cutting, drilling & opening of existing wall of masonary / stone building for carry the new Central/Package AC Plants to inside the building and make it look like the old one & rate for the same is deemed to be included in the item. |
| 52 | Supply ,installation ,testing & commissioning of insulated Seamless Copper piping of hot gas and liquid line of 1 1/8 & 7/8 Hard drawn Refrigerant piping (Copper piping) with vidoflex insulation (19mm thick) ceiling / wall supports etc., from Indoor unit to Outdoor unit. Suction and Liquid line for (Measured both together) - Hard drawn for Fan Coil Units ,Complete as per the direction of the Engineer In Charge of work including cost of all materials, labour charges, loading, unloading, lead lift, transportation charges and GST etc. complete all as specified and directed. |
| 53 | Supply & Charging of R-410 A or R-407 C Eco friendly regrigerant. Complete as per the direction of the Engineer In Charge of work including cost of all materials, labour charges, loading, unloading, lead lift, transportation charges and GST etc.compete all as specified and directed. Please Enable Macros to View BoQ information |
| 54 | Supply & Charging of R-410 A or R-407 C Eco friendly regrigerant. Complete as per the direction of the Engineer In Charge of work including cost of all materials, labour charges, loading, unloading, lead lift, transportation charges and GST etc.compete all as specified and directed. Please Enable Macros to View BoQ information |
