REPAIR AND REPLACEMENT AND OVERHAULING OF WATER COOLED CENTRAL AC PLANTS, DX TYPE CENTRAL AC PLANT, REWINDING OF COMPRESSOR MOTORS, REPLACEMENT OF VALUES AND OTHER CONNECTED MISC E/M WORKS AT BHDC UNDER GE (EAST) DELHI CANTT-10

Annual maintenance contract for Air Conditioning plant and other equipment for the following :- Centrifugal pumps of cap 10 HP - 06 Centrifugal pumps of cap 15 HP - 06 Screw chiller of cap 75 TR - 06 Note 1 : (i) Checking the functioning of Chiller unit/Air Handling unit/Pumps/Cooling tower/Controls and all such equipment covered under the contract. (ii) Free replacing of defective/worn-out parts with new or repaired parts for compressor/thermostat/cut outs based on our assessment. (iii) Repairing of equipment as listed in the equipment list at site/service station as the case may be. (iv) Descaling of condensers/chemical cleaning of evaporator coils/replacement of pre-filters based on our assessment and working parameters of the plant. (v) Replenishing refrigerant gas and compressor oil in the system arising out of system defect, excluding sealed compressor. (vi) Checking of compressor for its proper working. (vii) Annual pumping-down and restarting as and when required. (viii) Checking of Microprocessor control panel, control boards, transducers of packaged chillers/condensing unit for their correctness and replace if necessary. (ix) Replacing of parts due to normal wear and tear.

(v) In case of any minor fault in the machineries of Central AC plant due to which the plant is put off more than 12 hours the following penalties shall be recovered from the contractor :- (vi) Rs. 10000/- per day will be recovered from the contractor for non rectification of defect/replacement of any unserviceable spares after 12 hours from lodging of complaint telephonically or verbaly. (vii) Thereafter Rs. 10000/- will be added every day till rectification of fault/replacement of unserviceable spares as directed.

(viii) In case of any minor fault in the machineries of Central AC plant due to which the plant is put off more than 12 hours the following penalties shall be recovered from the contractor :- (ix) Rs. 10000/- per day will be recovered from the contractor for non rectification of defect/replacement of any unserviceable spares after 12 hours from lodging of complaint telephonically or verbaly. (x) Thereafter Rs. 10000/- will be added every day till rectification of fault/replacement of unserviceable spares as directed.

Dismantling compressor of central AC plant for overhauling complete with connected copper pipe line and loading unloading mechanism & pump down the existing refrigerant in separate cylinder, disconnecting of electric motor of compressor, refrigerant line, gauges pipe and carry out the general over hauling of compressor, compressor model:- SMC/4/100, Make:- Accel (R-22) including replacement of springs, aluminium washer packing, screw, lath work, cleaning detergent, cotton waste, changing of compressor oil etc and cleaning the suction filter, oil filter, replacing the defective parts compete system for safe guard the gas with self pumping down system or with total recovery unit system incld. following operation complete all as specified & directed. (i) Charging of nitrogen Gas in unit & complete system at 300 psi pressure and checking of any dropping of pressure/ leakage up to 72 Hrs after replacement of compressor & rectification of leakage if any. (ii) Vaccumisation of complete system for minimum 2 days for dropping of vacuum pressure & rectification of leakage if any. (iii) Charging of complete system with R-22 gas for maintaining the system pressure up to HP - 175 psi & LP - 65 psi.... (iv) Measure the inlet and outdoor temperature of Chiller unit for performance checking and maintaining temp. as per require site. (v) Testing & commissioning of compressor after completion. Note:- (a) Spares of compressor shall be measured and paid separetely under respective item of this schedule (Sr No. 2.01 to 2.19). (b) Any minor items required for overhauling except described here-in-after shall be supplied by the contractor with out any extra cost to the deptt and the rates for the same shall deemed to be included in the quoted rates.

Supply only PISTON with PIN & Rings- Nos -04 Nos(ACCEL Part No. ASL1018R) complete all as specified and directed. SMC/4/100,

Supply only CYLLENDER with suction valve -04 Nos(R-22) (ACCEL Part No. ASL1019A) complete all as specified and directed. SMC/4/100,

Supply only OIL pump (ACCEL Part No. ASL1011A) complete all as specified and directed. SMC/4/100,

Supply only Discharge valve assembly (R-22) (ACCEL Part No. ASL1020 A) complete all as specified and directed. SMC/4/100,

Supply only pressure regulation valve (ACCEL Part No. ASL1022 R) complete all as specified and directed. SMC/4/100,

Supply only Set of gasket (ACCEL Part No. ASL1453) complete all as specified and directed. SMC/4/100,