Erection of HT Overhead line from Bartarai UG Substation to Surface borehole in mine premises to provide power to Top panel for LHCM in Bartarai UG of Amadand Sub Area

Erection of metallic pole of length 8 to 11 meters in cement concrete 1:3:6 (1 cement: 3 coarse sand: 6 grade stone aggregate 40 mm nominal size) foundation including excavation and refilling etc. as required. (DP-04; SP-05)

Supply and erection of galvanized stay set for 11 KV over head lines complete with 19/20 mm dia. × 1.8 meters long stay rod, anchor plate of size 45 cm × 45 cm × 7.5 mm thick, thimble, stay clamps, turn buckle (20 mm × 600 mm), 7/4.00 mm dia. G.I. stay wire and 11 KV strain insulator etc. in cement concrete 1:3:6 foundation including excavation and refilling etc. as required.

Supply and erection of 11 KV Pin insulator complete with G.I. Pin, nuts & washers etc. as required.

Supply and erection of 11 KV Disc insulator for 11 KV overhead 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 × 40 mm × 6 mm (7.14 kg per metre) pole top bracket/cross arm for single 11 KV overhead line conductor complete with 50 mm × 6 mm M.S. flats iron clamp, bolts and washers including drilling holes for insulator pins, bolts, nuts and washers etc. and painting with primer and finish paint as required.

Supplying of channel iron 75 mm × 40 mm × 6 mm (7.14 kg per metre) cross arm for two 11 KV overhead line conductors complete with 50 mm × 50 mm × 6 mm (angle iron bracket welded to the channel iron and complete with 50 mm × 6 mm M.S. flats iron clamp, bolts and nuts including drilling holes for insulator pins, bolts, nuts and washers etc. (as per drawing) and painting with primer and finish paint as required.

Erection of pole top/straight two wire/V shape two wire, angle iron/channel iron, cross arm on steel tubular/rail/PCC pole for 11/22/33 KV overhead line as required.

Supplying of two lengths of channel iron 75 mm × 40 mm × 6 mm (7.14 kg per metre) double pole cross arm for three wire 11 KV overhead line conductor complete with through bolts and nuts for clamping the poles, 50 mm × 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 arm together, including drilling holes for insulator pins/fittings, bolts, nuts and washers etc.

Supply and erection of a set of cross bracing frame work for 11 KV overhead line double pole structure having four members fabricated out of 50 mm × 50 mm × 6 mm angle iron to form a rectangular frame of size 1400 mm width × 2500 mm height, complete with 50 mm × 6 mm M.S. flat iron clamps, bolts and nuts including drilling holes for insulator pins, bolts and nuts etc. (as per drawing) and painting with primer and finish paint as required.