Supply and installation double break 11KV 630Amp isolators in the overhead circuit of Birsa Project.

Amount

ISOLATOR with Earth 11KV/630Amp type: Double Breaker Material: Procelain Fixed Contact: JAW type Moving contact: Tubulor Current Rating : 630 Amp with compete Accessories (Technical Specification Enclosed)

Transporting charge@ 2.5% item No -1

Providing and fixing 25 mm X 5 mm copper strip on surface or in recess for connections etc. as required.

Supplying of two lengths of channel iron 75 mm X 40 mm X 6 mm (7.14 kg per metre) double pole cross arm for three wire 11KV over head line conductors complete with through bolts and nuts for clamping to the poles, 50 mm X 6 mm M.S. flats welded on one side to the channel iron and with bolts and nuts on the other side for tying the cross arms together, including drilling holes for insulator pins/ fittings, bolts, nuts and washers etc (as per drawing) and painting with primer and finish paint as required.

Erection of double pole 3 wire cross arm for 11KV/ 22KV/ 33 KV over head lines as required.

Labour Charge

Contractor Profit

Total impact of GST for the purpose of CTC