REPLACEMENT OF EXISTING BURNT OUT 500 KVA TRANSFORMER AT DR. AMBEDKAR INSTITUTE OF HOTEL MANAGEMENT SECTOR-42 D, CHANDIGARH.

DSR item No. 24.27 Supply, installation, testing and commissioning of following capacity (continuous loading) 11/0.433 KV Delta/Star,step down, 3 Phase, 50 Hz, Dyn 11 vector group, Cast Resin / VPI (vacuum pressure impregnated) Dry Type, copper wound transformer (Electrolytic grade 99.9% pure copper, Core made of first grade Cold Rolled Grain Oriented (CRGO) Core grade MOH or better) AN (air natural) cooled transformer suitable for indoor applications with Offload Tap Changer/ On Load Tap Changer (OLTC) ( below 500 KVA offload and above 500 KVA On Load Tap Changer) on HV side (As per complete Item no. 01 of DNIT)

500 KVA (losses at 50% loading <1600watt, losses at 100% loading <4750watt)

DSR item No. 5.6 Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

DSR item No. 5.14 Providing and fixing 25 mm X 5 mm copper strip on surface or in recess for connections etc. as required.

DSR item No. 23.4 Supplying and making indoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, XLPE aluminium conductor cable of 11 KV grade as required: