NIT No. 03 (21-22) Item No. 7

Dismantling of damaged components from Advance make LT panel ( 05 nos. outgoing feeder 630 Amp. & 2 Nos. incoming feeder & 1 no. Bus coupler 2000 Amp.), i.e. indicating lights, amp. Meter etc dismantling of all incoming lights, amp. Meter etc. dismantling of all incoming & outgoing connection, replacement of defective parts in panel.

U/V release 220V

Arc chute contact

Indicating lights R.Y.B.

Breaker control switch

Digital Amp. Meter 0-500V size 96x96sqmm

Digital Volt Meter 0-500V size 96x96sqmm

Mechanical spring with latch

Auxiliary Terminal block

MCB 4pole 32 Amp.

Calibration of protection relays having sensitive earth fault, over current, S/C protection with following features-High set elements, highly immune to harmonics, both 1 A & 5A CT input in one relay, 6out put contacts, Non-volatile memory for trip indication.

Insulation on all incoming & out going Bus bar connection, bends, links, dropper connected with switchgears installed in panels, cleaning of main panel horizontal bus bar, tapping as required on bus bar for insulation, tightening of all nut bolts etc.

Complete checking of LT panel wiring, minor accessories replacement i.e panel door lock, gas cut, rubber bidding, setting of doors cover any open door hole for protection etc. complete in all respect.

Testing & Commissioning of the panel equipments as follow: -Check equipements specification, Continuity and earthing, Breaker mechanism and alignment, Meggaring of all equipementsfor phase to phase neutral to body neutral to earth and phase to earth, All function tests, Checking for all tightness of nuts and bolts, Alignments of door etc., Interlocking tests, Testing of the panel at site on load with engineer in charge as per relevant IS

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