Day to day repair and maintenance of 3.3KV OHTL and 440V OHTL by dismantling, erection, extension for supplying power to HEMMs, Mine dewatering pumps and lighting installations for one year as and when required as per the advancement of mine under Da

Erection of metallic pole of following length 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. Above 10.00 Metre and upto 12.00 Metre.

Erection of all aluminum conductor of 7/1.96 mm to 7/3.10 mm diameter and above including binding etc as required.

Supplying and erection of stay set complete (galvanized) 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, thimble, stay clamps, bow tightener, 7/ 3.15 mm dia G.I. stay wire and 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.

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 11 KV overhead line conductors complete with through bolts and nuts for clamping to the poles, 50 mm X 6 mm MS 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 and nuts etc and painting with primer and finish paint as required.

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

Supplying and erection of a set of cross bracing FRL same work for 11 KV over head line double pole structure having four members fabricated out of 50mm x 50mm x 6mm angle iron to form a complete with 50 mm x 6mm MS Flats iron clamps, bolts and nuts including drilling holes for insulator pins, bolts, nuts etc. (as per drawing) and painting with primer and finish paint ,as required.

Supplying of 50 mm X 8 mm M.S. flat iron pole top bracket/ cross arm for single 11/ 22/33 KV over head line conductor complete with fixing clamps, bolts, nuts and washers drilling holes for insulator pins, bolts and nuts etc and painting with primer and finish paint as required

Supply and erection of 11 KV pin insulator complete with large steel head G.I pin, nuts, washers etc as required.

Supplying and erection of 11 KV disc insulator for 11 KV over head lines with galvanized insulator fittings, ball and socket type and complete with galvanized strain clamps, bolts, nuts, washers etc. as required.

Supplying of channel iron 75 mm x 40 mm x 6 mm (7.14 kg per metre) cross arm for two 11 KV over head line conductors complete with 50 mm x 6 mm M.S. Flat iron clamps, bolts, and nuts etc including drilling of holes for insulator pins and painting with primer and finished paint as required.