Installation of A.B. Isolator 33KV, 1250 Amps and lighting arrestor 33KV, 30KV. (RMS) 10KA for power Supply to incoming and outgoing of KTW feeder at regional Sub-station under kathara Colliery

Amount

Supplying of two length of channel iron 75mmx40MM x5.7 Kg/Mtr double pole cross arm for three wire 11KV O/H line conductor complete with throught bolts and nuts clamping to the poles 50MM x 6MM M.S flats welded on side to the channel iron and with boltsand nuts on the other side for typing the cross arms together, including drilling holes for insulators pins/ fitting, bolts and nuts, etc. and painting with primer and finish paint as required.

Supply & erection of three piece nonlinear resistor type lighting arrestor suitable foe three wire 33KV. O/H lines with rated voltage 30KV (RMS) with a nominal discharge current rating of 10KA (station class) and complete with galvanized clamping arrangement G.I bolts nuts washer etc. as required

Earthing with copper earth plate 600MM x 600 Mm x 3MM thick including accessories, and providing masonry enclose with cover plate having locking arrangement and watering pipe of 2.7 mtr. Long etc. with charcoal/ coke and salt as required

Providing & fitting 25MM x 5MM G.I Strip on surface or in recess for connections etc. as required.

Supply of G.O.A.B Switch 33KV grade 1250 Amps. (horizontal type heavy duty)

Labour charges Sl. No. 5

Total impact of GST for the purpose of CTC

AASHISH ENTERPRISES

M/S VINEET ENTERPRISES