Repairing of Library 80 TR central AC plant, AHU and Cooling tower and allied system including spare parts at Library building

Repair and Overhauling of 80TR compressor system-1( One)

Repair and overhauling of 80 TR compressor system of central AC plant of Library Supply of compressor spares required for the work i.e Piston pin, Gasket set, nut, piston ring, oil pump, discharge spring, guide lock, washer set, paper filter, oil filter, thrust washer, discharged valve guide, shaft seal, center bearing set, main bearing set and all other spares as required

Supply of Compressor oil (Frizel-68 grade)

Nitrogen pressure testing of compressor system and repair of leakage if any

PSupply and charging of R22 refrigerant gas

Labour and Service charge

Repair and Overhauling of 80TR compressor system-2 (Two) Nos.

Repair and overhauling of 80 TR compressor system of central AC plant of Library Supply of compressor spares required for the work i.e Piston , Gasket set, connecting rod, nut, piston ring, oil pump, valve plate ,piston pin, piston lock, discharge spring, guide lock, washer set, paper filter, oil filter, cylinder liner, thrust washer, discharge valve guide, shaft seal, center bearing set, crank shaft ,main bearing set and all other spares as required

Supply of Compressor oil (Frizel-68 grade)

Nitrogen pressure testing of compressor system and repair of leakage if any

Supply and charging of R22 refrigerant gas

Labour and Service charge

3. Repair of Cooling Tower and it’s pipe line-Supply ,Fabrication, Installation and painting of below items

6 “ MS pipe

6” Butterfly valve (Cast Iron)

6” Flange (M.S)

50 mm x 50 mm x 5mm support angles (M.S)

Drain pipe 2” (M.S)

Repair of air inlet louvers and fibre welding of water tank

Water spray nozzles (pvc)

Gate Valve 2 “ (Brass)

Repair of AHU, Condenser motor , Chiller Motor and Electrical Panel

Dismantling of AHU runner shaft, Lathe work, metalizing, polishing of bearing seat and alignment of the shaft and reinstallation and all other spares as required and Repairing/welding of 2 Nos of AHU coils

Replacement of bearing with housing no.-P207

Rewinding of 20 HP condenser motor with reinstallation and testing.

Repairing of 12.5 HP Pump (Chiller and Condenser) a. 6306 Bearing b. Gland Bush (Brass) c. Lock Nut for above bearings. d. Lock washer for above bearings. e. Gland Rope (Nylon) f. Nut Bolt etc and all other spares as required

Repairing of Condenser pump starter panel with Supply of following materials. a) SFU 63 Amp., L&T or equivalent

b)Single Phase preventer

c)Timer for star delta conversion

Supply and installation of following spares for Chiller Pump motor starter a) 3 Pole 40 Amp. Contractor

b) NO/Ne contactor

c) SFU 63 Amp., L&T or equivalent

d) Timer for star delta conversion

e) 63 AMP Fuse

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