REPAIR/MAINT OF LT UG CABLES, SWITCH GEARS, BUS BARS, LT PANELS DISTRIBUTION SYSTEMS, APFC PANELS ETC AND CONNECTED WORKS IN TECH AREA AF STN GWALIOR

Dismantling of air circuit breaker of capacity of 800 Amps to 1250 Amps of any pole/make/model from the panel, checking, servicing, cleaning of breaker with CRC-226, removal of old grease and re-greasing with recommended grease, checking the condition of moving and fixed contacts, checking the tripping mechanism, tripping of ACB manually through voltmetric release, adjust freeness of DN and volt metric release trip rod, checking the proper tightening of hardware, checking the presence of all circlips, alignment of jaw contact with cradle terminals, checking the condition of ACB wiring, adjusting the gap between hylem sheet and side plate, checking the condition of arc chutes, under voltage relay, shunt release, auxiliary contact, checking the release by secondary injection for O/L, S/C, E/F, setting of release as per the load, Checking the healthiness of the CTs, complete all as specified and directed. Note:- Spares shall be measured and paid separately under the appropriate item in the schedule as supply only.

All as per the above item but ACB of 1250 Amp to 2000 Amp complete all as specified and as directed.

Supply only burnt-out closing tripping shunt, or UV coil of ACB, of existing make as per site through an authorized representative, including interlock wiring with suitable copper wire, complete all as specified and directed.

Supply only charging motors 220 V AC suitable for ACB 800 Amp to 2000 Amp of existing make as per Site complete with all accessories

Supply only Main Fixed contacts (Upper terminals) suitable for ACB 800 A to 2000 Amp of existing make as per Site complete with all accessories.

Supply only Main isolating contacts (Jaw contacts) suitable for ACB 800 A to 2000 Amp, of existing make as per Site complete with all accessories.

Supply only Arcing contact assembly (set of 01 No fixed & 01 No moving) suitable for ACB 800 to 2000 Amp, of existing make as per Site, complete with all accessories.

Supply only manual charging handle for ACB 800 A to 2000 Amp of existing make as per Site complete with all accessories.

Supply only Spring charged indication switch for ACB 1000 Amp to 2000 Amp of existing make as per Site complete all as specified and as directed

M & L for removing of flashed carbon from Air Circuit Breaker, MCCB, Contactors, Bus Bar chamber etc of LT Panel, AMF Panel, Junction box by cleaning with cleaning agent properly and replacement of burnt out parts like spreader link, suitable size lugs, replacement of bus bar insulator, replacement of damaged handle of switchgears and applying heavy duty HVBT tape on bus bar with colour coding on each phase complete all as specified and directed by Engr-in-Charge. Notes :- Cost of Lugs will be measured and paid seperately.