GE/CHM-75/2020-2021 REPAIR/ MAINTENANCE OF AIR CONDITIONING VOLTAGE STABILIZERS AND ALLIED EQUIPMENT AT CHANDIMANDIR

Amount

Attending the daily complaints pertaining to ACs three phase at site which includes the following (i) Checking elect circuit, tightening of loose elect connection including internal circuit of plant and ensure the functioning of the plant. Note :- (i) Spare parts if any required shall be measured and paid separately as supply only. (ii) Labour element for fixing of any defective spare part shall be part of the item excluding major parts like compressor, gas charging, leak testing etc mentioned as S & F/ M & L (iii) Work against entire quantity shall be completed within set schedule to be decided by Engineer-in-charge. (iv) All the plants shall be handed over on daily basis through proper documentation. (v) The deployed tradesman shall have technical qualification in the field and necessary documentary proof shall be produced by the contractor. (vi) For non attendance of complaints within 24 Hrs, penal charges @ Rs 500 per complaint per day shall be charged. (vii) Thorough care/ protection of PCB plate shall be kept to avoid any kind of damage while servicing/ cleaning. (viii) Sealing of unit with thermocol/ packing material shall be part of the job at no extra cost. (ix) Each service shall be measured and paid separately as each job.

Comprehensive maintenance of AC's (Hot & Cold) of capacity 8.5 Ton ductable ACs of make LG, by disconnecting/ dismantling of indoor and outdoor unit at site and refixing the same after repair/renewal of the defective spare parts (spare parts where required to be replaced shall be measured and paid separetly as supply only). Servicing of the ducts, drain pipe, cooling coil, condensing coil and adjusting the duct slope for free flow of drain water, testing of the complete set of Hot/Cold at desired temperature complete all as specified and as directed. Note:- (i) Gas charging, spare parts shall be measured and paid for separately under respective items. (ii) The contractor shall provide only the experienced and qualified staff for handling the sensitive works. (iii) Labour element for fixing of any defective spare part shall be part of the item excluding major parts like compressor, gas charging, leak testing. (iv) Work against entire quantity shall be completed within set schedule to be decided by Engineer-in-charge. (v) All the plants shall be handed over on daily basis through proper documentation. (vi) Penal charges @ Rs 500 per plant per day shall be charged for not following the schedule. (vii) Thorough care/ protection of PCB plate shall be kept to avoid any kind of damage while servicing/ cleaning. (viii) Sealing of unit with thermocol/ packing material shall be part of the job at no extra cost. (ix) Each service shall be measured and paid separately as each job.

All as per item No 2 above but 3 ton pillar type ACs of make LG /Comipro/Denfos/Tecum Seh/Copeland

All as per item No 2 above but 3 ton cassette type AC of make LG /Hitachi

All as per item No 2 above but 5.0 ton ductable of make Amtrex LG /Comipro/Denfos/Tecum Seh/Copeland

Supply and fix material for providing insulation on and around suction and discharge copper tube of size 1/2" and 1/4", 3/8" and 5/8" with 6mm thick flexible thermocol heat resistance duly warpped with sticking tape and finally covered with flexible PVC conduit of 50mm dia complete all as specified and as directed.

Supply only of AC 4 Pole power contactor three phase of capacity 25 Amp to 40 Amp suitable for pillar type AC-3 TR complete all as specified and as directed. Make : L&T/BCH/C&S/ABB/Havells

Supply only liquid line drier filter suitable for 8.5 ton ductale AC with necessary brazing work and charging the refrigerant after replacing the liquid line filter to obtain adequate cooling complete all as specified and as directed. Note:- Refrigerent will be measured and paid seperately under relavent items. Make of drier filter: LG / Danfoss / Hitech

All as per item 8 here-in-before but for 5 TR ductable type AC. Make: Amtrex/ Danfoss/ Indofos

All as per item 8 here-in-before but for 3 TR pillar /cassette type AC.

Supply only of air filter set suitable for 8.5 ton ductable split type AC complete all as specified and as directed. Make : LG / Danfoss / Hitech

All as per item 11 here-in-before but for 5 TR ductable type AC. Make: Amtrex/ Danfoss/ Indofos

All as per item 11 here-in-before but for 3 TR pillar / cassette type AC.

Supply only of low / high pressure switch for 8.5 ton ductable split type AC complete all as specified and as directed. Make : LG / Danfoss / Hitech

All as per item 14 here-in-before but for 5 TR/3 TR ductable type AC. Make: Amtrex/ Danfoss/ Indofos

Taking out unserviceable sealed unit compressor from cassttee/ pillar type air conditioner by disconnecting cooling and condensor copper pipe and electric connection carefully and Supply and fixing new scroll compressor of capacity 3 ton including charging of refrigerant gas R-22/ R-410 upto required cooling and connecting all the copper pipes, electric connection and testing the AC complete all as specified and as directed. Make : LG/ Danfoss/ Sanyo/ Tecumseh/Kirloskar/ Comipro/Copeland NOTE : Supply and charging refrigerent gas will be measured and paid separately under relavent itmes

All as per item 16 here-in-before but three phase compressor of capacity 4.25 TR suitable for 8.5 TR suitalbe for 8.5 TR ductable AC. Make : LG / Kirloskar / Tecumseh/Danfoss/Comipro/Copeland

All as per item 16 here-in-before but three phase compressor of capacity 5 TR suitalbe for 5 TR ductable AC. Make : LG / Kirloskar / Tecumseh/Danfoss/Comipro/Copeland

Carrying out pressure leak test of 8.5 ton ductable split type AC whenever required by nitrogen gas pressure for detecting leakage in cooling/condensing unit refrigerant pipe and repairing the leakage by welding or brazing of condensing/ cooling unit, refrigerant pipe and putting under pressure for leakage checking after repair of leaking pipe flushing out by N2 and CTC/ vaccumination complete all as specified and as directed. Note for item No 19 to 21 :- Supply & charging of refrigerant gas R-22/R-410 will be measured and paid for separately

All as per item 19 here-in-before but for ductable type AC of 5 ton capacity.

All as per item 19 here-in-before but for pillar/ cassette type AC of 3 ton capacity.

Supply only thermal relay 15 A to 30 Amps, 415 Volt, single phase suitable for pillar/ cassette type AC of 3 TR/5 TR/8.5 TR capacity as per sample complete all as specified and as directed. Make : LG / Hitech/Indo Asian/L&T/Tecumseh.

Supply only PCB (circuit plate) of out-door unit of 8.5 TR ductable split AC complete all as specified and as directed.

All as per item 23 here-in-before but for pillar /ductable/ casette / any type AC 5.0 TR / 3 TR.

Supply only PCB (circuit plate) of in-door unit of 8.5 TR ductable split AC complete all as specified and as directed.

All as per item 25 here-in-before but for pillar /ductable/ casette / any type AC 5.0 TR / 3 TR.

Supply only single phase preventor, 230 volt, 50 HZ, AC supply complete all as specified and as directed. Make : L&T / Seimens / Hagger.

Supply only reverse cycle valve suitable for cassette/pillar type AC of capacity 3 Ton / Ton complete all as specified and as directed.

Supply only indoor blower motor for cooling coil 1/3 HP, 230 volt, 930 RPM including blower suitable for ductable AC 8.5 TR / TR complete all as specified and as directed. Make : LG / Tecumseh / Kirloskar.

Supply only indoor blower motor for cooling coil 1/3 HP, 230 volt, 930 RPM including blower suitable for pillar/ cassette type AC of 3 TR complete all as specified and as directed. Make : LG / Tecumseh / Kirloskar.

Supply only outdoor fan motor suitable for small shaft condensing coil 1/3 HP, 230 volt, 930 RPM including blade suitable for ductable AC of 8.5 TR / 5 TR complete all as specified and as directed. Make : LG / Tecumseh / Kirloskar.

Supply only outdoor fan motor suitable for small shaft condensing coil 1/3 HP, 230 volt, 930 RPM including blade suitable for pillar/ cassettte AC of 3 TR complete all as specified and as directed. Make : LG / Tecumseh / Kirloskar.

Supply only drain pipe of PVC medium grade of 25mm with all accessories like elbow, socket, tees etc complete all as specified and as directed.

Supply only pipe thermister suitable for cassette type AC of capacity 3 Ton to 8.5 Ton complete all as specified and as directed.

Supply only complete wiring kit for outdoor panel of ductable AC of capacity 8.5 Ton complete all as specified and as directed.

Supply only starter 3 phase ,415V, 40A suitable for ductable AC of cap 5 TR complete all as specified and as directed. Make: L&T/BCH/ABB

Disconnecting electric connection from defective blower/ fan motor and taking out from unit capacity 3/8 / 5/5 TR of existing make and transporting to store yard of Refg AC Section, then to be transported to contractors workshop after getting the gate pass from Engineer-in-Charge. Dismantling the burnt winding & rewinding of 1/6 to 1/8 HP double shaft blower motor with the existing size of super enemelled copper winding wire as per maunufactrer instructions including insulation, varnishing, greasing, testing complete and transporting back to the location from where it was disconnected and refixing the same and testing complete all as specified and as directed.

Taking out of defective wiring of indoor/ outdoor unit of PCB, visual eye damp plates, fixing the new wiring in place of damaged items of capacity of AC 3/8 / 5/5 TR including matching the existing system all as specified and as directed. Make of AC : LG/ Hitachi/ Amtrex.

Supply only AC contactor single phase 230 volt , 50 Hz, double pole, AC3 rating 25 Amp to 40 Amp, AC1 rating 45 Amp complete all as specified and directed.

Supply only AC contactor single phase 230 volt , 50 Hz, double pole, AC3 rating 32 Amp to 50 Amp, AC1 rating 85 Amp complete all as specified and directed.

Taking down of defective evaporator unit of 3 TR capacity Cassette type AC and supply & fixing new evaporator unit of the same capacity (Make: Toshiba/ LG/ Totaline or equivlent) with blower motor, front grill and connecting the cooper tubing by brazing, detecting leakage, rectifying the same and recharging with refrigerant gas as required to obtain adequate cooling complete all as specified and as directed. Note: Supply & charging of refrigerant gas will be measured and paid for separately

Supply and fix in renewal condensing unit of Cassette type AC of capacity 3 TR capacity condensing/ outdoor unit complete with condensing coil, coil frame, wiring kit, starting and running capacitor, relay, condensing/ outdoor motor with blade complete all as specified and as directed Make: Toshiba/ LG/ Voltas or equivlent) Note : Supply and charging of refrigerant gas will be measured and paid for separetly.

Supply and fix Vertical three phase distribution board 12 way 440 volts having IP 43 protection with metal double door with provision for fixing of MCCB's as incomer and outgoing MCB TPN complete all as specified and directed and making new electrical connections with thimbles or other suitable arrangements including taking down existing unserviceable DB and making good surface with matching existing surfaces all as specified and directed.

Supply and fix MCB Triple pole & Neutral C curve 63 Amp 10 KA including taking down existing unserviceable MCB complete all as specified and directed

Supply Laying, jointing and testing LT underground electric cable XLPE insulated PVC sheathed armoured heavy duty 1100 volts grade with multistranded aluminum conductor of cross sectional area 35 Sqmm 3.5 Core laid in ducts through pipe on floor or road with suitable arrangement including taking down existing unserviceable cable complete all as specified and directed

Supply and fix in renewal MCCB, four pole, 250 Amp 415 volts. 50 Hz breaking capacity not less than 36 kA with adjustable thermal and adjustable magnetic protection release with spreader links. Ics = 100% leu complete all as specified and as directed.

Supply and fix in renewal MCCB, four pole, 160 Amp 415 volts. 50 Hz breaking capacity not less than 36 kA with adjustable thermal and adjustable magnetic protection release with spreader links. Ics = 100% leu complete all as specified and as directed.

Supply and fix in renewal single pole and neutral enclosure with a two pin and earth plug and socket with one single pole MCB 20 Amp, 240 volts, having breaking capacity 10 kA. 'C' Curve complete all as specified and directed.

Supply only of 5/8" and 3/8" dia copper pipe including tubular heat/cold resistant rubber pipe insulation complete all as specified and as directed. Note : 1 meter of 5/8" dia copper pipe, 1 meter of 3/8" dia copper pipe & 01 meter insulation shall be considered as 1 RM for payment purpose.

All as per item 49 here-in- before but size 1/2" and 1/4" dia, Note : 1 meter of 1/2" copper pipe. 1 meter of 1/4" dia copper pipe & 01 meter insulation shall be considered as 1 RM for payment purpose.

Supply only flair nut of 5/8" and 3/8" dia complete all as specified and as directed.

Supply only flair nut of 1/2" and 1/4" dia complete all as specified and as directed.

Supply only 4 core copper wire size 6 sqmm PVC insulated 1100 volt grade complete all as specified and as directed

Supply & charging (Topping up) the Ductable/Cassette type AC etc with refrigerant gas R-22 in required Kg quantity for desired cooling complete all as specified and as directed

Supply & charging (Topping up) the Ductable/Cassette type AC etc with refrigerant gas R410A in required Kg quantity for desired cooling complete all as specified and as directed

Supply and fix suction valve / discharge valve suitable for 4.25, 3 & 5TR compressor complete all as specified and as directed. MAKE : VAP / TAK /CASSEL

Supply only PVC tap roll self adhesive of size 1.90cm x 0.125mm x 25mm complete all as specified and directed. MAKE : STEELGRIP/ KINKJAL / ANCHOR

Supply and fix remote control hand set for existing any type of three phase air conditioner of make LG/ Samsung/ Voltas/ Bluestar/Hitachi/Carrier/Daikin and of cap 3 to 8.5 ton with required pencil cells complete all as specified and as directed.

MS GURENDER SINGH

M/S Trilok chand sharma

u and v engineers and consultants