Replacement of old damaged components of Incomer panel No.1 (6.6 KV) and HT Motor feeder panel (6.6 KV) of unit no 1 installed at Tawi Pump House Jammu

Amount

Replacement of damaged components of HT motor feeder 6.6KV panel of unit No.1 installed at Tawi Pump House Jammu by way of providing and fitting of Andrew Yule /Equivalent make newspares such as Shunt trip coil 110 V DC-01 No, closing coil-110 V DC 01 No, spring charging Motor -01 No., Breakerauxiliary switch-01 No, Anti pumping Relay With base, Vacuum interrupter -01 No.,800A,25 KA. P/F new wire maintaining proper color code and using ferrule for proper identification, checking working of charging and release mechanism. Inserting Vacuum Circuit Breaker in the compartment. P/F of new master tripping relay 01 No in panel. The job includes drawing out VCB trolly from the chamber, extracting old parts such as Vacuum bottle, Shunt trip coil 110 V DC, closing coil-110 V DC , spring charging Motor , Breaker auxiliary switch,Anti pumping relay, cleaning chamber from inside using air blower ,cleaning all the terminals using CRC spray, applying lubricants to mechanical linkages for smooth operation, resetting/ adjustment of vacuum interrupter for proper gap between fixed and moving contacts, checking continuity of all the phases also checking IR value between fixed and moving contact of all the phases, across phases and between phase and earth using meggar. Tightening all the terminals properly, checking all control wiring andreplacing if any wire seems worn out/ electrical stressed. Complete job includes cost of material, fitting and testing charges.

M/S RAGHUNATH MECHANICAL AND ELECTRICAL ENGINEERING WORKS

NATIONAL ELECTRO-MECH COMPANY