REPAIRS AND MAINTENANCE OF AIR CONDITIONING AND REFRIGERATING EQPTS AND ALLIED WORKS AT CAW UNDER GE(AF) HAKIMPET

Amount

Taking down the following Air conditioner carefully from the installed position, dismantling the complete unit, applying blower to remove the complete dust, cleaning all the components with suitable cleaning agent, combing the condenser coil for better efficiancy and re-assembling the complete unit and re-installing in its original position and testing on completion, complete all as specified and directed

Window type AC upto 2.0 TR capacity

Out door unit of Split type AC upto 2.0 TR capacity

In door unit of split AC upto 2.0 TR capacity

Disconnect and remove unserviceable starting relay and Supply and fix new starting relay suitable for existing model of following cooling appliances complete all as specified and directed. Make-Sriram /Kirloskar / Aravind

Window type/split type Air Conditioners upto 2.0T capacity

Water cooler of capacity upto 150 Ltrs

Refrigerator/ deep freezer of capacity upto 410 Ltrs

Disconnect and remove unserviceable over load protector and supply and fix new overload protector (OLP) suitable for the following types of cooling appliances complete all as specified and directed. Make-Sriram/Kirloskar/ Aravind

Water cooler of capacity upto 150 Ltrs

Refrigerator/ deep freezer of capacity upto 410 Ltrs

Disconnect and remove unserviceable thermostat and supply and fix new thermostat suitable for existing model of following cooling appliances complete all as specified and directed. Make-INDFOSS/RANUTROL

Water cooler of capacity upto 150 Ltrs

Refrigerator/ deep freezer of capacity upto 410 Ltrs

Disconnect and remove unserviceable starting capacitor and supply and fix new starting capacitor suitable for existing model of following cooling appliances, complete all as specified and directed. Make:Sarda/Unistar/Tibcon.

1/1.5 TR window type/ split type Air Conditioner

2.0 TR window type/ split type Air Conditioner

Water Cooler of capacity upto 150 Ltrs

Refrigerator /deep freezer of capacity upto 410 Ltrs

Disconnect and remove unserviceable running capacitor and supply and fix new running capacitor suitable for existing model of following cooling appliances complete all as specified and directed. Make:Sarda/Unistar/Tibcon.

1/1.5 TR widow type/split type Air Conditioner

2.0 TR widow type/split type Air Conditioner

Water cooler of capacity upto 150 ltrs

Refrigerator /deep freezer of capacity upto 410 Ltrs

Disconnect and remove unserviceable capacitor of fan motor of any description and supply and fix fan capacitor of capacity 4.0 mfd / 6.0 mfd suitable for existing window type/ outdoor unit of split type air conditioner of capacity upto 2.0 TR, complete all as specified and directed. Make:Sarda/Unistar/Tibcon.

Taking out the burnt fan motor from the following cooling appliances and supply and fix new fan motor suitable for existing model complete all as specified and directed

Window/Split type Air Conditioner of Capacity upto 2.0 TR.

Evaporative type desert cooler of capacity upto 5000 Cum/hr.

Taking down unserviceable blower motor of split type air conditioner and supply and fix new blower motor suitable for existing model of indoor unit of split type air conditioner of capacity upto 2.0 TR including necessary connections and testing on completion complete all as specified and directed.

Taking down unserviceable blower of split type air conditioner and supply and fix new blower suitable for existing model of indoor unit of split type air conditioner of capacity upto 2.0 TR including necessary connections and testing on completion, complete all as specified and directed.

Taking down unserviceable Swing motor of split type air conditioner and supply and fix new Swing motor suitable for existing model of indoor unit of split type air conditioner of capacity upto 2.0 TR including necessary connections and testing on completion, complete all as specified and directed.

Disconnect and remove unserviceable compressor and supply and fix new sealed rotary / reciprocating compressor including brazing the suction / discharge lines suitable for existing model of following cooling appliances, filling the gas and testing on completion, complete all as specified and directed. Make : Kirlosker/Tecumseh/ Sriram/ Voltas/Carrier.

1/1.5 TR window type/split type Air Conditioner.

2.0 TR window type/split type Air Conditioner

NOTE : Qouted rate deemed to be included cost of refrigerant gas.

Disconnect and remove unserviceable compressor and supply and fix new sealed rotary / reciprocating compressor with built-in OLP, thermostat including brazing the suction / discharge lines suitable for existing model of following cooling appliances, filling the gas and testing on all as specified and directed. Make : Kirlosker/Tecumseh/ Sriram/ Voltas/Carrier.

40/80 Ltrs capacity water cooler

Upto 190 Ltrs Capacity Refrigerator

Above 180 Ltrs and upto 410 ltrs Capacity Refrigerator/ Deep freezer

NOTE : Qouted rate deemed to be included cost of refrigerant gas.

Material & labour for filling up & charging of R-22 refrigerant to the cooling appliances all as specified and directed.

Material & labour for filling up & charging of R-134a refrigerant to the cooling appliances all as specified and directed.

Material & labour for filling up & charging of R-410a refrigerant to the cooling appliances, complete all as specified and directed. Notes for Item No.15 to 17 : (i) Gas quantity shall be measured physically by weighing gas cylinder before and after filling. (ii) Suitable calibrated weighing machine for measuring gas quantity shall be provided by the Contractor. (iii) These items shall be operated for top up of ACs only. .

Flushing and leak testing the complete system with nitrogen gas and making good leaking portion by brazing and topping up compressor oil, complete all as specified and directed.

Taking down capillary filter and tube, supply and fix new capillary filter and tube including necess brazing, complete all as specified and directed.

Taking out unserviceable air filter and supply and fix new air filter cleanable, indigenous of suitable size for the window / split type air conditioners of capacity upto 4.0 TR, complete all as specified and directed

Taking out unserviceable plasma filter and supply and fix new plasma filter suitable for the 1 to 2 Ton split type air conditioners complete all as specified and directed .

Taking out unserviceable condensor fan blades and supply and fix new condensor fan blades of existing/suitable model for the window type/out door unit of split type air conditioner of capacity upto 2.0 TR, complete all as specified and directed

Taking out unserviceable front panel and supply and fix new front panel (grill) suitable for existing model of window type air conditioners of capacity upto 2.0 TR, complete all as specified and directed

Taking down the unserviceable thermal insulating puff from the copper tubes and supply and fix and new thermal insulating puff for suction and discharge copper tubes of split type air conditioner of capacity upto 2.0 TR, neatly tying the ends with PVC insulation tape, complete all as specified and directed

Filling the gaps between wall and refrigerant piping with white cement to prevent rodents entry and finishing smoothly to match with sorroundings, complete all as specified and directed.

Taking out the unserviciable remote PCB sensor unit and supply and fix new Remote and PCB sensor unit assembly suitable for existing make of window / split type air conditioners of capacity upto 2.0 TR, complete all as specified and directed.

Taking out the unserviceable remote PCB sensor unit and repair & refixing PCB sensor unit assembly duly replacing burnt electric parts, soldering etc all as per existing make of window / split type air conditioners of capacity upto 2.0 TR, complete all as specified and directed. Note: Cost of soldering, S&F of new electronic parts like resisters, transistors etc is deemed to be included in the quoted rate.

Taking down unserviceable condensing coil unit and supply and fix new condensing aluminium coil unit suitable for window / split type AC of capacity upto 2.0T, as per the existing, complete all as specified and directed .

Taking down unserviceable condensing coil unit and supply and fix new condensing aluminium coil unit suitable for Refrigerator of capacity upto 310 Ltrs complete all as specified and directed .

Pumping down the AC, taking carefully the indoor and outdoor units along with voltage stablizer of split type air conditioner of capacity upto 2.0 TR by disconnecting all electrical connections, suction and discharge lines from its installed position and shifting to another location where directed and installing the indoor and outdoor units alongwith stablizer at specified location and connecting all the electrical, suction and discharge lines, topping up the gas as required and testing on completion for proper function ing complete all as specified and directed. Note: Gas as required shall be measured under relevant item.

Taking down unserviceable suction and discharge pipe from 1.5/2.0 Ton split AC and supply and fix new copper tubes of suitable size for suction and discharge lines for split type air conditioners including necessary brazing, wrapping up puff insulation, testing on completion, complete all as specified and directed. NOTES:- (i) One run of suction, one run of discharge pipes shall be measured as one unit length. (ii) Insulation puff shall be measured separately.

Disconnect and remove unserviceable copper cable of any description and supply and connect new PVC insulated and PVC round sheathed 3 core, 1.5Sqmm Copper conductor cable, heavy duty, 1100 Volts grade, complete all as specified and directed.

Description all as per Ser item No.32 here-in-before but of size 3 core, 2.5 Sqmm, complete all as specified and directed.

Description all as per Ser item No.32 here-in-before but of size 3 core, 4.0 Sqmm, complete all as specified and directed.

Taking down unserviceable plug and socket of any description, supply and fix single pole and neutral enclosure with two pin and earth plug and socket along with a 20 Amps rated SP MCB, 230 volt, 50 HZ as required at site, complete all as specified and directed. Make: Anchor/Havells/HPL/Indo-Asian/ Standard.

Taking down unserviceable metal clad industrial type socket of any description and supply and fix new metal clad industrial type two pin and earth socket, 230 volts, 50 Hz of capacity 20 Amps complete all as specified and directed. Make: Indo-Asian Cat No. 810390 or equivalent make in Legrand/Crabtree/Havells/HPL.

Taking down unserviceable metal clad industrial type plug top and supply and fix new two pin and earth metal clad industrial type plug top 230 volts, 50 Hz of capcity 30 Amps and connecting the electrical wires complete all as specified and directed. Make: Indo-Asian Cat No. 810386 or equivalent make in Legrand/Crabtree/Havells/HPL.

Taking out unserviceable plug top of any description and supply and fix new plug top 3 pin 15 Amps single phase 230 volts complete all as specified and directed. Make: Cona Cat No. 1991 or equivalent make in Legrand / Anchor / Havells.

Taking out unserviceable ball valve assembly and supply and fix new PVC ball valves, high pressure with polythene float and fly nut complete screwed for iron pipe or brass ferrule of size 15 mm dia bore suitable for water coolers / desert coolers, complete all as specified and directed. Make:Prayag/Zoloto//Leader

Disconnect and remove unserviceable PVC connection, supply and fix new PVC connection 15mm size with PTMT nuts of length 600mm complete all as specified and directed

Taking out unserviceable push button tap and supply and fix new chromium plated push button tap of size 15 mm dia bore suitable for water cooler complete all as specified and directed. Make: Zoloto/Leader/Prayag.

Taking out unserviceable stop valve of any description and supply and fix new stop valves, cast copper alloy screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions of size 15mm dia complete all as specified and directed. Make : Zoloto/Shakti/Prayag/ leader.

Taking out unserviceable waste water tray of any description and supply and fix new steel waste water tray suitable for existing water coolers, complete all as specified and directed.

Taking out unserviceable PVC waste water pipe from Water cooler and supply and fix new PVC waste water pipe of size 40mm dia, complete all as specified and directed.

Taking down the corroded window AC unit /outdoor unit of split AC, of capacity 1 ton,1.5 ton and 2.0 ton capacity and carrying repairs to sheet metal parts, tinkering the parts by cutting and replacing corroded sheet metal parts like base plate, fan motor base plate etc. with appropriate gauge of MS sheet as existing including bending to match with the existing size, welding, brazing and assembling, replacing all nuts and bolts, sheet metal screws and painting the complete body with two coat of synthetic enamel paint over a coat of zinc chrome primer and transportation all as specified and directed.

Taking down the window type AC unit or out door unit of 1 ton,1.5 ton and 2 ton capacity and scraping out cleaning and preparing the surface of shell cover and applying two coats of synthetic enamel paint over a coat of zinc chrome primer and reassembling the unit including replacing all corroded sheet metal screws and fixing back to the position and sealing air gaps around the outer cover with foam/thermocoal and testing, complete all as specified and directed.

Checking the AC indoor unit gas pipes for water leaks, cleaning the choked drain out pipe lines refixing with proper slope, complete all as specified and directed.

Supply and fix 15mm dia, 3-layer PP-R Polypropylene random copolymer) pipes SDR 7.4, UV stablised and antimicrobial welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded Polypropylene random fittings fixed complete to walls, ceilings with PP-R clamps at a distance not more than 60cm or laid in floors etc. as drainout pipe to remove the condensate including removal of the existing pipe of any type, complete all as specified and directed. Make: SFMC/ Supreme/Prince.

Taking down unserviceable single pole contactor and M&L for single pole contactor for out door unit of Air conditioner of capacity up to 2.0 TR, complete all as specified and directed.

Taking down burnt wiring and M&L for rewiring of out door unit of Air conditioner of capacity upto 2.0 TR, complete all as specified and directed. NOTES: (i) Qouted rate shall be deemed to be included the cost of suitable size of wiring, PVC connectors, screws etc, complete all as per existing. (ii) Cost of components shall be measured and paid separateley under relevent items of this contract.

Taking down the dilapidated PVC drain out water pipe from indoor unit of air conditioner and supply and fix new drain out pipe, complete all as specified and directed.

Taking down Existing unserviceable Indoor assembly and Supply and fix new Indoor assembly of split type AC of Capacity 1.5 TR as per existing model, complete all as specified and directed.

Taking down Existing unserviceable Indoor assembly and Supply and fix new Indoor assembly of split type AC of Capacity 2.0 TR as per existing model, complete all as specified and directed.

M&L for Submain wiring with 3 runs of 6 Sqmm (Ph+E+N), FRLS PVC insulated, unsheathed, multi-stranded, 1100 volts grade copper conductor cable, single core, drawn through and including PVC casing caping of sitable size with all accessories and including removing the existing unserviceable sub main wiring and making good the disturbed surface to match with the existing all as specified and directed. Note: Three runs of (P+N+E) of 6 Sqmm copper cable and one run of casing and caping with all shall be measured as one unit length.

M&L for Submain wiring with 3 runs of 4 Sqmm (Ph+E+N), FRLS PVC insulated, unsheathed, multi-stranded, 1100 volts grade copper conductor cable, single core, drawn through and including PVC casing caping of suitable size with all accessories and including removing the existing unserviceable sub main wiring and making good the disturbed surface to match with the existing all as specified and directed. Note: Three runs of (P+N+E) of 4 Sqmm copper cable and one run of casing and caping with all shall be measured as one unit length.

Disconnect and remove unserviceable electronic voltage stablizer of any description and supply and fix automatic electronic voltage stabilizer, wall mounting type having features such as Intelligent time Delay system, Low and High Voltage Cut-off Protection, latest IC Technology to protect from power fluctuations, Thermal over load protection, wide input variation between 170V to 270V with output voltage stablized at 220 to 240V, with accuracy of +/- 2.5% and of following capacity suitable for window / split type Air conditioner complete all as specified and as directed

(a) 4 KVA Capacity. Make: V-Guard, Model-VG 400 or equivalent in consul/HPPL.

(b) 5 KVA Capacity. Make: V-Guard, Model-VG 500 or equivalent in consul/HPPL.

M&L for Machine print stickering of MES No containing 10-15 characters over the the appliances with plastic stickering paper of font size 14 & bold, complete all as specified and directed

Taking down the stabilizer any type of capacity 4/5 KVA carefully from the installed position , dismantling the complete unit, cleaning all components with making repair/replacement of minor parts of costing not more then Rs 1000 and reassembling the complete unit and re-installing in its original position and testing on completion complete all as directed by engineer-in-charge.

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