Supply and commissioning of G.O.A.B. Switch, including erection of Double Pole for primary control of High Mast Lighting Tower consisting of 3.3 kV by 220 V, 10 kVA Transformer at D.D. Mines under Bokaro Colliery, BnK Area.

Amount

Erection of metallic pole (above 10 m and upto 12 m) in cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) foundation including excavation and refilling etc. as required.

Supply and providing of 11 kV 400 A, Gang Operated Air Break Switch with all accessories.

Fitting and fixing of Gang Operated Air Break Switch

Supply, providing and fixing of 11 kV Post Insulator for Horn Gap Switch

Supply and providing of flexible Jumper Gang to Horn Gap Switch

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.

Transporting of Poles from stock to work site

Supplying and erection of galvanised stay set for 11 KV over head lines complete with 19/ 20 mm dia X 1.8 metres long stay rod, anchor plate of size 45 cm X 45 cm X 7.5 mm thick, thimble, stay clamps, turn buckle ( 20 mm X 600 mm ), 7/ 4.00 mm dia G.I. stay wire and 11 KV strain insulator etc in cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size ) foundation including excavation and refilling etc. as required

Total impact of GST for the purpose of CTC

SANTOSH KUMAR SINGH

CITY ELECTRICALS