BI ANNUAL SERVICING AND OVERHAULING OF ELGI MAKE COMPRESSORS INSTALLED WITH CIRCUIT BREAKERS AT 200KV SUBSTATION BUDAUN

Amount

Bi-Annual servicing and overhauling of Air Compressor (THPC 200 ELGI make) installed with 220KV SF6 Circuit Breaker Installed in 200 MVA T/F HV Side Breaker (01 No.) And Transfer bus coupler Breaker, at 220KV Substation, Badaun with all cost of men, materials, T&P etc. required for satisfactory completion of the Job, as per Technical Specification & direction of the Supervising Engineer as per details below. Dismantling of Compressor Pipelines, HP & LP Headers, Piston Rings etc. with the temporary arrangement of pipes etc. to maintain the pressure of concern CBs up to 20Kg/cm2 during repair /overhauling period (01 Job for each Compressor).

Removing of piston Rings by dismantling of H.P&L.P cylinders then cleaning the carbonizing piston & ring grooves thoroughly. Replacement of Ring grooves along with related works. (01Job for each Compressor) as per details below. 2 (a) H.P. side

2 (b) L.P. side

Cleaning of HP & LP Headers after opening the headers, then tapping of valve plates and foot valves, 70mm & 50mm size as per details below. (01Job for each Compressor) as per details below. 3(a) H.P. side 70mm

3 (b) L.P. side 50 mm

Repairing of worn out Crank & Replacing the damaged Bar Pin, Bushes, both side Bearing, Oil Seal etc. with new ones (01 Job for each Compressor).

Replacement of HP Block and Air Filter Element by new one. (01 Job for each Compressor)

Replacement of Defective Non Return Valve &Overhauling of Safety Valve of the Compressor by replacement of Teflon seal, Nylon washers, Tension Spring, Lock washer etc. by new ones. (01Job for each Compressor).

Replacement of all the Gaskets, Packings then Reassembly of the same and finally checking of all pipe lines for No Air leakage and ensuring of inter locking of pressure 20Kg/cm2 (01Job for each Compressor)

Reassembling of Header and filling of Lubricating Oil (Servo Plus 150) up to required level & Checking, Cleaning & repairing of Electrical Wirings, if required functioning of the Compressors (01Job for each Compressor).

RUKMANI ENTERPRISES

M/S SATKAR TRADERS