Name of Work:- Arrangement of auxiliary power supply for backup for tripping devices at Main Substation of Topa Project under Kuju Area
Sl. No.
Item Description
1
Supply & Fixing of 110V DC Battery Bank (Tubular Battery, consisiting of 55 Nes (2V each cell), capacity 150AH)
2
Supply & Fixing of Battery Charger to charge the power pack, input volt AC output 110V IC power supply ranges from 0 to 1000 V and output current ranges from 0 to 100 Amp
3
Supplying and drawing following sizes of FRL SPVC insulated copper conductor, single core cable in the existing surface/rocessed steel PVC conduit as required. 2x4 sqmm
4
Supplying and drawing single core PVC insulated cable FRLS with copper multi strand conductor ISI marked in existing rigid PVC casing and capping/conduit in surface or concealed as per specification. 225 sqmm
5
Supplying and fixing of following ways surface/recess mounting, vertical type, 415 V. IPN MOB distribution board of sheet steel, dust protected, duly powder painted, inclusive of 200 A tinned copper bus bar, common neutral link, carth bar, din bar for mounting MCBs (but without MCBs and incomer) as required. (Note: Vertical type MOB TPDB is normally used where 3 phase outlets are required.)4 way (4+12), Double door
6
Supplying & fixing suitable size Gl box wih modular plate and cover in front on surface or in recess including providing and fixing 25 A modular socket outlet and 25 A modular SP MCB, \\"C\\" curve including connections, painting etc. as required.
7
Supply & Fixing of Copper flat for series connection of battery 25mm width and 3mm thick
8
Supply & Fixing of Battery Terminal, Heavy Duty, 35SQMM
9
Supplying of metal clad ISI marked busbar chamber made of heavy gauge iron sheet complete with copper strip and busbar supports as per specification conforming to IS -4064 400A 415V
10
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