|
| 1 | M&L for servicing of Air Conditioning Plant unit by checking the functioning of chiller pump, checking refrigerant level and replenishing refrigerant gas if required, checking of chilled water pipeline, safety valve, compressor and connected accessories for proper working, replenishing compressor oil, lubricating pump sets and fan motors including replacement of bearings and tightening of bolts and nuts, complete all as specified and as directed, for the following capacities of AC Plant:Notes: (i) The cost of compressor oil, grease for lubrication, and bearings for motors shall be deemed to be included in the quoted rate.(ii) Refrigerant gas, if replenished, shall be measured and paid separately under respective item.(iii) The quoted rate shall be deemed inclusive of repair/replacement of defective safety valves of existing size and pressure rating, and repair/replacement of pitted control wiring, lugs, and ferrules for ensuring proper functionality of the AC Plant.(iv) The work shall be measured per One complete unit irrespective of three/two unit of plant. |
| 2 | AC Plant of capacity 5.5 TR to 12.5 TR |
| 3 | AC Plant of capacity 17 TR |
| 4 | AC Plant of capacity 37.5 to 52 Ton |
| 5 | M&L for servicing of Air Handling Units (AHUs) by removing, vacuum cleaning, washing and refitting air filters; brushing cooling coils and spraying foam coil cleaner including rinsing of coils; aligning shaft and motor; servicing chilled water line strainers; tightening motor terminals; replacing V-belts and bearings; and carrying out minor repairs as required to ensure smooth and efficient operation, complete all as specified and as directed.Notes: (i) The quoted rate shall be deemed to include cleaning and washing of filters, chemical cleaning of cooling coils using organic-based cleaner (Vaniklin) for removal of dust and scale deposits, flushing of coils for proper airflow, cleaning of expansion valve and chilled water strainers, greasing of blower and motor bearings, replacement of unserviceable V-belts, bearings, drain lines, and rusted screws, tightening of electrical connections, painting of rusted portions with one coat of primer and two coats of synthetic enamel paint, and testing and commissioning after servicing.(ii) The work shall be measured per AHU unit, irrespective of capacity. |
| 6 | AHU of capacity upto 5000 CFM |
| 7 | AHU Capacity of 8000/10000CFM |
| 8 | AHU Capacity of approx 15000/20000CFM |
| 9 | M&L for servicing/overhauling, repair, and maintenance of cooling tower for water-cooled chiller type central AC plant, including dismantling/taking down cooling tower fan motor of flange-mounted extended type shaft (up to 7.5 HP, 3 phase, 415 volts, 50 Hz) along with fan assembly; cleaning and removal of scales, inspection, cleaning and replacement (if required) of PVC fills, PVC eliminators, FRP louvers, motor cover, splash cups, etc., complete. Work also includes renewal of all corroded bolts, nuts, and terminal blocks, re-assembling, re-fixing in position, and aligning fan blades for correct air throw. Testing and commissioning of cooling tower motor after reassembly, all as specified and as directed, for the following capacities:Note: The cost of spares shall be measured and paid separately under respective items, if required. |
| 10 | Cooling Tower capacity upto 50 TR |
| 11 | Cooling Tower capacity 125 TR |
| 12 | Supply only for replacement, of spare parts of Cooling Tower of capacity upto 50 TR, water-cooled chiller-type Central Air-conditioning Plant, under relevant repair items:- |
| 13 | PVC Fins 600X300X150 MM upto 125TR |
| 14 | PVC eleminators size 600x300x150 MM upto 125TR |
| 15 | CT fan assembly cast aluminium alloy as per existing size. |
| 16 | Cooling Tower Electric Fan Induction Motor of capacity suitable for Cooling Tower upto 50 TR, weatherproof, protection class IP-55, insulation class ‘F’, flange-mounted type with extended shaft, operating on 415 Volts, 3 Phase, 50 Hz AC. |
| 17 | Al water sprinkler |
| 18 | FRP motor cover |
| 19 | Branch pipe set as per existing length and dia |
| 20 | Supply only, in replacement, of spare parts of Cooling Tower of capacity 125 TR, water-cooled chiller-type Central Air-conditioning Plant, under relevant repair items:- |
| 21 | CT fan assembly cast aluminium alloy as per existing size. |
| 22 | Cooling Tower Electric Fan Induction Motor of capacity suitable for Cooling Tower 125 TR, weatherproof, protection class IP-55, insulation class ‘F’, flange-mounted type with extended shaft, operating on 415 Volts, 3 Phase, 50 Hz AC. |
| 23 | Al water sprinkler |
| 24 | FRP motor cover |
| 25 | Branch pipe set as per existing length and dia |
| 26 | Dismantling of existing corrosion proof PVC fill from the induced draft type cooling tower of fibre glass reinforced plastic (FRP) casting rectangular type construction for Cooling tower of 125 TR capacity complete with all accessories and supply and fix new corrosion proof both edge folded PVC fill and inlet louvers, drift , eliminators hot water distribution pipes and nozzles etc complete all as specified and as directed: -Notes: (a) The spray system should be work satisfactory even with 50% reduced flow of water.(b)The induced draught cooling tower should be operate according to the counter flow principle.(c) cooling tower specification for PVC filling Size 600X 300X 150 MM both edge folded. |
| 27 | Supply and Fixing in repair / Replacement of worn out \"POLO\" Make Rectangular / Square type shape and FRP induced draft type counter flow cooling tower body, casting by fibre glass reinforced ,casing & basin(FRP), over all dimension (LXWXH )-2400x2400X 3400(mm), suitable for 125 TR cooling tower, complete as per manufacturer\"s design/specifications with all fittings. |
| 28 | Supply and fixing in Repair / Replacement of \"POLO\" Make Rectangular/Square type shape and FRP induced draft type counter flow, cooling tower Fan Guard, Motor Frame and all Metallic Supports by new MSHDG type mechanical equipment supports, electroplated hardware, drain connections, suitable GI inspection ladder, steel supporting structure etc, suitable for 125 TR cooling tower, complete as per manufacturer\"s design/specifications with all fittings. |
| 29 | M&L for leak testing of Air-conditioning Plant, including condenser, evaporator, compressor, and connected refrigerant piping system, by pressure testing with CO₂ gas, flushing the complete refrigerant circuit with dry Nitrogen gas, rectifying any leakage by brazing/welding, re-testing, vacuumising, charging with existing refrigerant gas, and testing for proper performance, complete all as specified and directed.Notes: (i) The cost of CO₂ gas, dry Nitrogen gas, brazing rods, and consumables shall be deemed to be included in the quoted rate.(ii) Refrigerant gas, if replenished, shall be measured and paid separately under respective item.(iii) The work shall be measured per one complete unit irrespective of total plant capacity.(iv) The system shall be tested for leakage at both high and low sides as per standard refrigeration practice, and proper vacuumisation and commissioning shall be ensured. |
| 30 | AC Plant Capacity (5.5 TR to 12.5 TR) |
| 31 | AC Plant Capacity 17 TR |
| 32 | AC Plant Capacity (37.5 TR to 52 TR) |
| 33 | Disconnecting electrical connections from panel board and motor terminal box, including removal of cable leads, dismantling, and taking down induction motor of capacity up to 12.5 HP, installed with Air Handling Unit (AHU) or Cooling Tower, from base frame or mounting, after opening nuts, bolts, and couplings; transporting to workshop for necessary servicing/repair and re-installing back in position after completion of work; reconnecting all electrical/mechanical connections, alignment, and testing on full load for satisfactory performance, complete all as specified and as directed. |
| 34 | Opening of induction motor of capacity installed in Air Handling Unit (AHU) or Cooling Tower, taking out burnt winding wire and thoroughly cleaning the stator slots; rewinding the motor with super-enamelled copper winding wire of existing gauge and weight; replacing unserviceable components such as bearings, gaskets, or hardware, carrying out necessary machining work, and reassembling the same in original position including replacement of insulating materials such as paper, cotton tape, varnish, sleeves, etc., complete all as specified and as directed, for the following sizes:Note: Copper winding wire and spare parts shall be measured and paid for separately under respective items, if required. |
| 35 | Induction motor Capacity 2 HP to 7.5 HP. |
| 36 | Induction motor Capacity above 7.5 HP and upto 12.5 HP. |
| 37 | Supply only, in replacement, of spare parts for Induction motor of capacity upto 12.5 HP, complete all as specified and as directed. |
| 38 | Insulating materials |
| 39 | Ball bearings suitable for 2 HP to 7.5 HP pump. |
| 40 | Ball bearings suitable above 7.5 HP to 12.5 HP pump. |
| 41 | Metal Coupling suitable for 2 HP to 7.5 HP pump. |
| 42 | Locking ring / circlip with keys and washers. |
| 43 | End cover gaskets / bearing cover seals |
| 44 | Terminal Box |
| 45 | Cooling fan |
| 46 | Fan cover |
| 47 | End cover (bearing housing) made of stainless steel or cast iron, as per site requirement. |
| 48 | Disconnecting electrical connections from the panel board, including disconnecting the cable leads from the motor terminal box; taking down/out monoblock motor and pump set of capacity upto 7.5 HP from the foundation/base plate after removing nuts, bolts, etc.; transporting the pump set to the workshop for necessary repairs and back to site; re-installing the same after repair, reconnecting all electrical and mechanical connections, and testing on full load, complete all as specified and as directed.Note for Sr No 10&13 : If the contractor fails to repair the motor and pump within seven (07) days from the date of removal, the same shall be got repaired through another agency by calling spot quotations at the risk and cost of the contractor. The decision of the Accepting Officer in this regard shall be final, conclusive, and binding on the contractor. |
| 49 | Opening of monoblock motor and pump of capacity upto 7.5 HP, taking out burnt winding wire and thoroughly cleaning the stator slots; rewinding the motor with super-enamelled copper winding wire of existing gauge and weight; repairing the pump by replacing unserviceable components, carrying out necessary machining work, and reassembling the same in original position including replacement of insulating materials, complete all as specified and as directed.Note: Copper winding wire and spare parts shall be measured and paid for separately under respective items, if required. |
| 50 | Supply only, super-enamelled copper winding wire of suitable gauge and weight, conforming to IS:13730 (Part I to IX) for rewinding of monoblock motor/Induction motor complete all as specified and as directed.Note: Labour for rewinding shall be measured and paid separately under respective item. |
| 51 | Supply only, in replacement, of spare parts for monoblock pump of capacity upto 7.5 HP, complete all as specified and as directed. |
| 52 | CI Impeller |
| 53 | Mechanical Seal |
| 54 | Bearing (DE & NDE side) |
| 55 | GM Shaft sleeve |
| 56 | CI Gasket / Paper Gasket / Rubber O-Ring |
| 57 | water liquid deflector (Oil Seal) |
| 58 | impeller Nut |
| 59 | MS Stud with nut |
| 60 | Terminal Box |
| 61 | M&L for disconnecting, cutting, and taking out unserviceable compressor of any make and model, including fixing of new or serviceable compressor in position; carrying out necessary soldering, welding, brazing, and connection work; charging with required quantity of refrigerant gas and compressor oil; making electrical and mechanical connections at site; and testing and commissioning on full load, complete all as specified and as directed, for the following capacities:Notes: (i) The new/serviceable compressor shall be measured and paid separately under respective items.(ii) Refrigerant gas, if replenished, shall be measured and paid separately under respective item.(iii) The quoted rate shall be deemed to include compressor oil, labour, tools, welding/brazing materials, minor consumables, and testing charges.(iv) The work shall be measured per compressor replaced. |
| 62 | Compressor capacity upto 5.5 TR |
| 63 | Compressor capacity above 5.5 and upto 8.5 TR |
| 64 | Compressor capacity 12.5 TR |
| 65 | Supply only of company-made new compressor for air-conditioning plant, suitable for existing installation, in clean exchange of unserviceable compressor, compatible with existing system, refrigerant type, and operating voltage, complete with microprocessor-based control, fail-safe protection features, water flow switches, and first charge of refrigerant gas and compressor oil as per manufacturer’s recommendation, complete all as specified and as directed, for the following capacities:Make: Kirloskar / Copland / DanfossNote: Installation, brazing/welding, connection, gas charging, and commissioning shall be measured and paid separately under respective items. |
| 66 | Compressor capacity upto 5.5 TR |
| 67 | Compressor capacity above 5.5 and upto 8.5 TR |
| 68 | Compressor capacity 12.5 TR |
| 69 | Supply and fixing, in replacement, of pre-filter in sheet metal frame, including taking down of unserviceable one, complete in all respects as specified and directed, for the following size: |
| 70 | 24″ x 24″ x 2″ |
| 71 | 24\" x 12\" x 2\"\" |
| 72 | Supply and fixing, in replacement, of Expansion Valve, suitable for existing capacity and refrigerant type of Central-type or Package-type AC Plant, including proper connection, insulation, adjustment of superheat, and testing for efficient cooling performance, complete all as specified and directed. |
| 73 | Supply and fixing, in replacement, of Solenoid Valve, suitable for refrigerant circuit of Central-type or Package-type AC Plant, compatible with existing coil voltage, line size, and refrigerant, including connection with refrigerant piping, electrical wiring, and testing for proper cut-off operation, complete all as specified and directed. |
| 74 | Supply and fixing, in replacement, of V-belt of suitable type and size, compatible with existing Central-type or Package-type AC Plant, including taking down old/unserviceable belt, proper alignment, tensioning, and testing of driven equipment (compressor, fan, or pump), complete as specified and as directed.Note: The quoted rate shall be deemed to include pulleys alignment, tensioning tools, and minor adjustments required for proper operation, if required. |
| 75 | Supply and fixing, in replacement, of PTMT float valve with epoxy-coated aluminium rod and high-density plastic ball, including taking down old unserviceable one, complete all as specified and as directed, for the following sizes:- |
| 76 | 15 mm bore |
| 77 | 20mm bore |
| 78 | Supply and fixing, in replacement, of gun metal gate valve with iron wheel head, screwed both ends for iron pipe as per IS:778, including taking down old unserviceable one and testing for leakage, complete all as specified and as directed, for the following sizes:- |
| 79 | 20 mm bore |
| 80 | 25 mm bore |
| 81 | 32 mm bore |
| 82 | 40 mm bore |
| 83 | Supply and fixing, in replacement, of HP / LP control switch, suitable for existing Central-type or Package-type AC system, compatible with existing make, model, and refrigerant circuit, including taking down old/unserviceable switch, making proper electrical and refrigerant line connections, leak testing, and functional testing under load, complete all as specified and as directed. |
| 84 | Supply only of Refrigerant Gas R-22 (Mefron/Refron make) for Air-Conditioning Plant, after detection and rectification of leakage in the refrigerant circuit. The refrigerant shall be supplied in sealed cylinders of 61 kg capacity, procured from an authorised dealer/manufacturer, complete all as specified and as directed.Note: Empty cylinders shall be returned to the contractor after completion of charging. |
| 85 | Supply only of Refrigerant Gas R-407C (Mefron/Refron make) for Air-Conditioning Plant, after detection and rectification of leakage in the refrigerant system. The refrigerant shall be supplied in sealed cylinders of 45 kg capacity, procured from an authorised dealer/manufacturer, complete all as specified and as directed.Note: Empty cylinders shall be returned to the contractor after completion of charging. |
| 86 | Supply and fixing, in replacement, of pressure gauge (range 0–100 PSI), including removal of the unserviceable gauge, complete in all respects as specified and as directed. |
| 87 | M&L for comprehensive de-scaling and chemical cleaning of the complete chilled water and refrigerant circulation system of Central-type or Package-type Air-conditioning Plant, including condenser units, chiller units, AHU coils, refrigerant and water piping up to cooling tower, valves, and associated fittings. The process shall be carried out through a mechanical pump circulation system using a chemical de-scaling solution (ORISCALE BLASTER or equivalent) mixed with water in suitable proportion. The solution shall be circulated and retained in the system for a minimum period of 24 hours or until all scale and deposits are completely removed, whichever is later. The work shall include opening of side plates/covers, rodding and brushing of condenser/chiller tubes, cleaning of water spray assemblies, flushing with clean water until clear discharge is obtained, reassembling all dismantled components, replacement of unserviceable gaskets, seals, nuts, bolts, and washers (minimum 3 mm thick where applicable), greasing and overhauling of pump/chiller/condenser units, leak testing, alignment, and final testing of the entire plant under load, complete all as specified and directed, for the following sizes:Note: (i) The quoted rate shall be deemed to include the cost of de-scaling chemicals, mechanical pump arrangement, skilled technicians/mistries, consumables, and all necessary tools and equipment required for satisfactory execution.(ii) if de-scaling is required more than once for the same plant as per site requirement , the item shall be measured and paid separately for each operation. |
| 88 | AC Plant Capacity (5.5 TR to 12.5 TR) × 3 Units |
| 89 | AC Plant Capacity 17 TR × 3 Units |
| 90 | AC Plant Capacity (37.5 TR to 52 TR) × 3 Units |
| 91 | M&L for Dismantling, cleaning, and descaling of GI sheet duct from AHU to branch ducts, including cleaning of grills and diffusers, and refixing. All required materials, nuts, bolts, washers, welding, and grinding included, complete as specified and directed. |
| 92 | Supply and fixing of air duct made of 22-gauge galvanized sheet, fabricated in rectangular/square shape as per existing layout, in replacement, including all accessories such as corners, cleats, carriage bolts, gasket, and suitable sealant on longitudinal joints, and all associated works, complete as specified and directed. |
| 93 | Supply and fixing, in replacement, of moulded case circuit breakers (MCCB) with breaking capacity 10 kA, 415 Volts, suitable for mounting in existing panel, including taking down old unserviceable one, complete all as specified and as directed, for the following sizes:Make :-L&T or Equivalent in Siemens /ABB/ HAVELL\"S . |
| 94 | MCCB 4 pole, 32 Amps |
| 95 | MCCB 4 pole, 63 Amps |
| 96 | MCCB 4 pole, 100 Amps |
| 97 | MCCB 4 pole, 125 Amps |
| 98 | Supply and fixing, in replacement, of MCB, 240 Volts, 50 Hz, 10 kA breaking capacity, ‘C’ series, suitable for mounting in existing panel, including taking down old unserviceable one, complete all as specified and as directed, for the following sizes: |
| 99 | MCB SP 6-32 Amp |
| 100 | MCB SPN 40 Amp |
| 101 | Supply and fixing, in replacement, of Auxiliary Contact (NO + NC), suitable for all MNX power contactors in existing control panels, including taking down old unserviceable contacts, complete with necessary mounting and connections, as per manufacturer specifications and as directed.Note:- All necessary spares, accessories, and mounting hardware shall be deemed included. |
| 102 | Supply and fixing, in replacement, of Mechanical Interlock Kit suitable for MNX/MN2 contactors or existing control panel, including taking down old unserviceable parts, complete with necessary mounting and connections, as per manufacturer specifications and as directed.Notes: All necessary spares, accessories, and mounting hardware shall be deemed included. |
| 103 | Supply and fixing, in replacement, of thermal overload relay, type MN2, suitable for mounting in existing panel, including taking down old unserviceable one, complete all as specified and as directed, for the following sizes:Make:- L&T or equivalent in Havells/ABB/Siemens. |
| 104 | Relay range 3-5 Amp |
| 105 | Relay range 4.5-7.5 Amp |
| 106 | Relay range 6-10 Amp. |
| 107 | Relay range 9-15 Amp. |
| 108 | Relay range 14-23 Amp. |
| 109 | Supply and fixing, in replacement, of electronic timer ST100, suitable for existing control panel, including taking down old unserviceable one, complete all as specified and as directed. |
| 110 | Supply and fixing, in replacement, of 3-pole power contactor, type MNX, 415 Volts, 50 Hz, suitable for mounting in existing panel, including taking down old unserviceable one, complete all as specified and as directed, for the following sizes: |
| 111 | Power contactor MNX-9 |
| 112 | Power contactor MNX-12 |
| 113 | Power contactor MNX-18 |
| 114 | Power contactor MNX-22 |
| 115 | Power contactor MNX-25 |
| 116 | Supply and fixing, in replacement, of Auxiliary Contact Block suitable for MNX type power contactors, matching the existing sample, including taking down old unserviceable contact block, fixing in existing control panel, making necessary connections and testing, complete all as specified and as directed.Note: The rate quoted shall be deemed to include all necessary fixing hardware, alignment, and adjustments. |
| 117 | Supply and fixing, in replacement, of single-phase preventer, type VSP-II, suitable for existing control panel, including taking down old unserviceable one, complete all as specified and as directed.Make:- Minilac or equivalent SINETRAC/HAVELL\"S/Siemens/ ABB |
| 118 | Supply and fixing, in replacement, of 3-phase star-delta starter, suitable for 10/12.5 HP capacity, for mounting in existing control panel, including taking down old unserviceable one, complete all as specified and as directed. |
| 119 | Supply and fixing, in replacement, of Safety Valve any size(Pressure Relief Valve) , suitable for existing Central-type or Package-type AC Plant, compatible with existing pressure rating, refrigerant, and connection size, including proper brazing/welding, pressure testing, and commissioning of the system, complete all as specified and directed.Note: Refrigerant gas, if replenished, shall also be measured and paid separately under respective item. |
| 120 | Supply and fixing, in replacement, of suction stop valve of size 1.5 inch, complete with full assembly, including taking down the existing unserviceable valve, making necessary connections, testing for leakage, and ensuring proper functioning, complete all as specified and as directed. |
| 121 | Supply and fixing, in replacement, of discharge stop valve of size 1.5 inch, complete with full assembly, including taking down the existing unserviceable valve, making necessary connections, testing for leakage, and ensuring proper functioning, complete all as specified and as directed. |
| 122 | Supply and fixing, in replacement, of electric monoblock centrifugal pump set, 3 phase, 440 volts, of existing make, model, and capacity, including dismantling of old unserviceable motor with pump from the existing foundation/location, making all necessary electrical and mechanical connections with required cables and fittings, fixing the new pump set in the existing position, and testing on full load, complete all as specified and as directed, for the following capacities: |
| 123 | 3 HP |
| 124 | 5 HP |
| 125 | 7.5 HP |
| 126 | Supply and fixing, in replacement, of dry core refrigerant gas filter assembly suitable for existing system, with filter, including taking down of unserviceable filter, installation, testing, and all associated work, complete as specified and directed. |
| 127 | Supply and fixing, in replacement, of butterfly valve, as per existing model and make, including taking down old unserviceable valve, cleaning of pipeline ends, fixing new valve in position with required nuts, bolts, washers, gaskets, and testing for leakage under working pressure, complete all as specified and as directed, for the following sizes: |
| 128 | Butterfly valve 40 mm dia |
| 129 | Butterfly valve 50/65 mm dia |
| 130 | Butterfly valve 80 mm dia |
| 131 | Butterfly valve 100/125 mm dia |
| 132 | Supply and fixing, in replacement, of PVC insulated, 1100 Volts grade, 4-core, multi-stranded copper conductor, unarmoured cable, FRLSH type, including taking down old/unserviceable cable, making proper terminations at both ends with suitable size of thimbles, glands, insulation tape, and connection materials, complete all as specified and as directed, for the following sizes: |
| 133 | 6 Sq. mm |
| 134 | 10 Sq. mm |
| 135 | Repair to PCB control panel of package / central air-conditioning unit / hot water generator of any capacity and make, including thorough inspection of all components, replacement of damaged / burnt components with new ones, re-soldering, testing, and making the PCB fully functional, complete all as specified and as directed.Note: The cost of spares shall be deemed to be included in the quoted rate. |
| 136 | Supply and fixing, in replacement, of heating rod for pan type humidifier or HWG, 3 phase, capacity 6 kW, as per existing model and size, including taking down old unserviceable heating rod, making necessary electrical connections with suitable cable and terminal fittings, fixing in existing position of the system, and testing for proper operation, complete all as specified and as directed. |
| 137 | Supply and fixing, in replacement, of heating rod for hot water generator, 3 phase, capacity 7 kW, as per existing model and size, including taking down old unserviceable heating rod, making necessary electrical connections with suitable cable and terminal fittings, fixing in existing position of the system, and testing for proper operation, complete all as specified and as directed. |
| 138 | Supply and fixing, in replacement, of chiller unit sensor of central-type air-conditioning plant, of existing make, model, and size, including necessary cable connections, mounting in existing position using suitable fixing method, and checking and testing after installation, complete all as specified and as directed by Engineer-in-Charge.Note:- The rate quoted shall include cost of all cables, connectors, fixing materials, and accessories required for proper installation. |
| 139 | Supply and fixing, in replacement, of bearing unit (P-205 / P-207 type) for package-type air-conditioning plant, duly fixed in existing position and compatible with existing make and system, including necessary alignment, tightening, and testing on completion, complete all as specified and as directed.Note: The rate quoted shall include cost of bearing housing, shaft alignment, mounting hardware (nuts, bolts, washers), and lubrication as required. |
| 140 | Supply and fixing, in replacement, of filter drier suitable for existing air-conditioning plant, of existing make and compatible capacity, fixed in existing position with proper brazing/welding, leak testing, and commissioning on completion, complete all as specified and as directed.Note:- The rate quoted shall include cutting, brazing/welding, nitrogen purging, leak testing, and insulation restoration as required for proper installation. |
| 141 | Supply and fixing, in replacement, of PCB Control Panel, complete with all necessary accessories, suitable for compressor control of Central-type Air-conditioning Plant (Chiller Unit) or Package-type Air-conditioning Plant, compatible with the existing make, model, and capacity of the system, including taking down old/unserviceable PCB Control Panel, fixing new PCB Control Panel in existing housing by suitable fixing method, making all required electrical connections, setting control parameters, and testing for efficient operation, complete all as specified and as directed by Engineer-in-Charge, for the following types:Notes: (i) The rate quoted shall include all minor accessories such as connectors, ferrules, wiring terminations, fixing hardware, and control parameter configuration.(ii) All PCBs shall be tested for compressor sequencing, overload and pressure protection, and alarm indication as per manufacturer’s standard. |
| 142 | One-way PCB |
| 143 | Two-way PCB |
| 144 | Three-way PCB |
| 145 | Four-way PCB |
| 146 | Supply and fixing, in replacement, of 3-pole power contactor, type 3TF35, 415 V, 50 Hz, suitable for mounting in existing panel, including taking down of old unserviceable contactor, complete in all respects as specified and as directed. |
| 147 | Supply and fixing, in replacement, of Step Controller set suitable for Model RC-36 KW Hot Water Generator, including taking down of unserviceable controller, complete in all respects as specified and directed. |
| 148 | Material and labour for attending the complaint of ac plant for LT panel wiring fault, microprocesser based ac plant panelfault /settings,cooling tower and other related to ac plant find out the problem and rectified the same day without affective the service complete all as specified and directed.Note:-(i)Contractor will supply following well experienced and well conversant manpower against AC plant complaints,at a time for attending complaints all working days including sunday and all Holidays. (ii) Complaint should be attend immediately in one day.(iii) Complaint attended br specific knowledgeable person of AC plant.(iv) Contractor shall provides all tools and plants as required(v) In case of failure to rectify the complaint within 24 hours after attending the complaint a panel recovery shall be made from contractors due @ Rs 1000/- per day for each complaints. |
| 149 | M&L for dismantling and taking out old unserviceable compressor and transporting the same to civil workshop for necessary repairs and back to site, including all necessary disconnection and handling, complete as specified and directed, for the following capacities:Note: Transportation charges shall be deemed to be included in the quoted rate. |
| 150 | Compressor capacity upto 5.5 TR |
| 151 | Compressor capacity above 5.5 and upto 8.5 TR |
| 152 | Compressor capacity 12.5 TR |
| 153 | Repairing, installation, and testing of compressor, including refixing, alignment, leak testing, vacuuming, and carrying out operational checks, complete all as specified and as directed, for the following capacities:Notes: (i) The cost of major spare parts shall be measured and paid separately.(ii) Minor spares and hardware required to make the compressor functional shall be deemed to be included in the quoted rate.(iii) Compressor oil shall be deemed to be included in the quoted rate.(iv) Refrigerant gas, if replenished, shall also be measured and paid separately under respective item. |
| 154 | Compressor capacity upto 5.5 TR |
| 155 | Compressor capacity above 5.5 and upto 8.5 TR |
| 156 | Compressor capacity 12.5 TR |
| 157 | Supply only, in replacement, of spare parts for compressor capacity upto 5.5 TR, complete all as specified and as directed. |
| 158 | scroll assembly |
| 159 | Connecting shaft |
| 160 | roller bearing |
| 161 | electrical motor |
| 162 | shouldering/flooring |
| 163 | Discharge valve assembly |
| 164 | Valve spring |
| 165 | Supply only, in replacement, of spare parts for Compressor capacity above 5.5 and upto 8.5 TR, complete all as specified and as directed. |
| 166 | scroll assembly |
| 167 | Connecting shaft |
| 168 | roller bearing |
| 169 | electrical motor |
| 170 | shouldering/flooring work |
| 171 | Discharge valve assembly |
| 172 | Valve spring |
| 173 | Supply only, in replacement, of spare parts for Compressor capacity 12.5 TR , complete all as specified and as directed. |
| 174 | scroll assembly |
| 175 | Connecting shaft |
| 176 | roller bearing |
| 177 | electrical motor |
| 178 | shouldering/flooring work |
| 179 | Discharge valve assembly |
| 180 | Valve spring |
| 181 | Note :Amount ofcredit for retrieved materials is mentionedin Sch \"A\" Section-II of tender documents in pdf form which will be deducted while acceptance of tender offline. |
