REPAIR/MAINTENANCE OF AHUs AND MISC MAINTENANCE WORKS OF VARIOUS PACKAGE AC PLANTS AT NAVAL DOCKYARD VISAKHAPATNAM

Amount

Repairs, overhauling and servicing of 120 TR AC plant Plant compressor by stripping out both end covers, cylinder head, cylinders, connecting rod, crank shaft, oil pump, side covers, bush bearings etc.,and refrigerant taking the cylinder for reuse (if available) of unserviceable worn out parts in the compressor, cleaning the system with CO2/Nitrogen gas for leak detection for minimum 24 Hrs, after flushing out the system, vacuumization and charging with refrigerant gas & compressor oil and testing the unit on no load and full load conditions all as specified and directed. Note:- Supply only refrigerant gas, compressor oil and spare parts for the compressors shall be measured and paid seperaterly.

All as per item No 1.00 above, but 30 TR AC plant

Supply only Crank shaft suitable for 120 TR AC plant No.04 (Make:- Carrier Model :- 5H-120) complete all as specified and as directed.

All as per item No 3.00 above, but Piston

All as per item No 3.00 above, but Liners (cylinder)

All as per item No 3.00 above, but DE ( main) bearing

All as per item No 3.00 above, but Seal and bearing

All as per item No 3.00 above, but Shaft seal

All as per item No 3.00 above, but center bearing

All as per item No 3.00 above, but capacity controlller

All as per item No 3.00 above, but Discharge reed

All as per item No 3.00 above, but suction reed

All as per item No 3.00 above, but piston ring set

All as per item No 3.00 above, but Oil ring set

All as per item No 3.00 above, but discharge guide assembly

All as per item No 3.00 above, but valve plate

All as per item No 3.00 above, but Pump and washer

All as per item No 3.00 above, but seal and washer

All as per item No 3.00 above, but seal with thrust washer

All as per item No 3.00 above, but oil regulator

All as per item No 3.00 above, but piston pin

All as per item No 3.00 above, but oil filter

All as per item No 3.00 above, but DV springs

All as per item No 3.00 above, but SV springs

All as per item No 3.00 above, but Value lifter spring

All as per item No 3.00 above, but CR bush

All as per item No 3.00 above, but CIV clip

All as per item No 3.00 above, but Lock washer

All as per item No 3.00 above, but discharge value guided bolt

All as per item No 3.00 above, but oil pump assembly

All as per item No 3.00 above, but connecting rod nut and bolts

All as per item No 3.00 above, but gasket set

All as per item No 3.00 above, but CR bearing set

All as per item No 3.00 above, but valve lifter pin

All as per item No 3.00 above, but discharge bypass valve

Supply only compressor oil Servo 68 complete all as specified and as directed Make : Servo

Supply only R-22 gas. complete all as specified and as directed Make:-Refron 22/Floron 22/Mafron 22

Supply & fix HMI display board with micro processor controller touch pad for 26 TR ductable AC plant (Model No :- 30RBS80S Make:- Carrier) including taking out old unserviceable one complete all as specified and as directed

Supply & fix NRCP board for 26 TR ductable AC plant (Model No :- CEBD 430335 -16 - RB Make:- Carrier) including taking out old unserviceable one complete all as specified and as directed

Supply & fix EXV board for 26 TR ductable AC plant (Make:- Carrier) including taking out old unserviceable one complete all as specified and as directed

Supply & fix suction gas temperature tranduger (LP) for 26 TR ductable AC plant (Make:- Carrier) including taking out old unserviceable complete all as specified and as directed

Supply & fix dischage gas temperature tranduger (HP) for 26 TR ductable AC plant (Make:- Carrier) including taking out old unserviceable one complete all as specified and as directed

Supply & fix living water temperature sensor for 26 TR ductable AC plant (Make:- Carrier) including taking out old unserviceable one complete all as specified and as directed

Supply & fix entering water temperature sensor for PHE for 26 TR ductable AC plant (Make:- Carrier) including taking out old unserviceable one all as specified and directed.

Supply and outside temperature sensor for 26 TR ductable AC plant (Make:- Carrier) including taking out old unserviceable one all as specified and directed.

Supply and HP switch for 26 TR ductable AC plant (Make:- Carrier) including taking out old unserviceable one complete all as specified and as directed

Supply and LP switch for 26 TR ductable AC plant (Make:- Carrier) including taking out old unserviceable one complete all as specified and as directed

Supply & fix of shaft seal for 120 TR AC plant, taking out refrigerant reuse (if available) and taking out old unserviceable shaft seal in the compressor, cleaning the system with CO2/Nitrogen gas for leak detection for minimum 24 Hrs, after flushing out the system, vacuumization and charging with refrigerant gas complete all as specified and as directed Make:- Kirloskar. Note:- Supply only refrigerant gas for the compressors shall be measured and paid seperaterly.

Supply & fix of shaft seal for 60 TR AC plant, taking out refrigerant reuse (if available) and taking out old unserviceable shaft seal in the compressor, cleaning the system with CO2/Nitrogen gas for leak detection for minimum 24 Hrs, after flushing out the system, vacuumization and charging with refrigerant gas complete all as specified and as directed Model No:- 5H 60 Make:- Carrier. Note:- Supply only refrigerant gas for the compressors shall be measured and paid seperaterly.

Supply & fix of shaft seal for 30 TR AC plant, taking out refrigerant reuse (if available) and taking out old unserviceable shaft seal in the compressor, cleaning the system with CO2/Nitrogen gas for leak detection for minimum 24 Hrs, after flushing out the system, vacuumization and charging with refrigerant gas complete all as specified and as directed Model No:- SMC-6-65 Make:- Accel. Note:- Supply only refrigerant gas for the compressors shall be measured and paid seperaterly.

Supply & fix of shaft seal for 40 TR AC plant, taking out refrigerant reuse (if available) and taking out old unserviceable shaft seal in the compressor, cleaning the system with CO2/Nitrogen gas for leak detection for minimum 24 Hrs, after flushing out the system, vacuumization and charging with refrigerant gas complete all as specified and as directed Model No:- AC 4 - 70 Make:- Kirloskar. [Note:- Supply only refrigerant gas for the compressors will be measured and paid seperaterly.]

Material & labour for repairs/maintenance of 26 TR ductable AC Plant by leak testing with N-2 gas under constant Pressure of 250 PSI (17 kg/cm2) after complete transfer of refrigerant gas from the entire system, rectification of leakage by cutting and brazing the refrigeration system wherever required, replacement Of “O” rings, teflon washers of valves, copper tubing, safety valves, flare nuts etc., neutralising after the pressure holds, good for atleast 24 hours, vaccumization, charging the system with refrigerant Gas, performance test and commissioning complete all as specified and as directed [Note: Gas charging shall be measured and paid for separately.]

Material & labour for 26 TR Ductable AC plant complete checking, servicing/ rectification of electrical circuits for all units and control wiring showing phase sequence with proper lugging of AC plant control panel including replacement of fused indication lamps with new ones, cleaning of all power contacts, rectification of minor defects in Ammeters and Voltmeters, testing and commissioning complete all as specified and as directed

SRIVEN TECHNOLOGIES

SRI SIDDHI VINAYAKA ENTERPRISES

HARSHITHA INFRA

M/s SIRI INFRA

bhavani constructions

sri sai ram constructions

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