P/F of new components by way of replacement of old damaged/worn out components i.e., relays, vacuum interrupter, spring charging motor mechanism, catch mechanism, control wiring along with HRC fuses, other equipment of 02 Nos. HT panel

Amount

A) Providing and fitting new parts in place of damaged Parts of motor feeder panel of unit no 3 installed at Tawi Pump House Jammu. Checking of Motor feeder panel. Racking out VCB trolly from the chamber, extracting old damaged/electrically stressed/defective parts of Vacuum circuit Breaker, cleaning chamber from inside using air blower, cleaning all the terminals using CRC spray. Providing and fitting of new Shunt trip coil 110 V DC-01 No, closing coil-110 V DC 01 no, Anti pumping relay -01 No, Gear motor (spring charging Motor 350 rpm, 160 Watt, 230 V AC) -01 No., Drive mechanism-01 no., Breaker auxiliary switch-01 No in place of damaged one. 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 between fixed and moving contact of all the phases, checking IR Value across phases and between phase and earth using meggar. Tightening all the terminals properly, checking all control wiring and replacing if any wire seems worn out/ electrical stressed by P/F new wire with terminals, maintaining proper color code and using ferrule for proper identification, checking working of charging and release mechanism. Inserting vacuum interrupter in the compartment. Providing and fitting new Bi-Metallic Overload relay (1.4-2.3 A) for protection of Gear Motor-01 No, TNC switch-01 No., Under Voltage relay -01 No., Bridge Rectifier Unit With Diode 10 A, 600PIV Input voltage -110 v AC, Output Voltage-110 V DC- 01 No. in place of damaged ones, replacing all the damaged fuses and indicators with new one.Testing to ensure electrically and Manually charging, closing and tripping of breaker. B) Providing and fitting new components in place of old damaged parts of HT motor feeder panel 800 Amp (6.6 KV, 25 kA) of unit No 6 installed at Tawi Pump House by way rack out Breaker from Enclosure. Job involves Extraction of old damaged parts, cleaning chamber from inside using air blower, cotton cloth, cleaning all the terminals using CRC spray. Providing and fitting of Andrew Yule /Equivalent make new spares such as Shunt trip coil 110 V DC-01 No, closing coil-110 V DC 01 no, spring charging Motor 350 rpm, 160 Watt, 230 V AC -01 No., Catch mechanism-01 No., Breaker axillary switch-01 No., Auxiliary contactor (110 V DC) -01 no in place of damaged one. 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 and replacing if any wire seems worn out/ electrical stressed P/F new wire with terminal, maintaining proper color code and using ferrule for proper identification, checking working of charging and release mechanism. Inserting vacuum interrupter in the compartment. P/Fitting of tripping relay 110 V DC- 1 No. Replacing damaged indicators, Fuses carrier/link. Complete job includes cost of material, fitting and testing charges. (Above rates are inclusive of all taxes as applicable)

Vaibhav Engineers and Technocrates (BID ID -2619734)

M/S MUSKAN ELECTRICAL (BID ID -2620354)