Repair and maintenance of 3.3 kV HT OHL mines feeder for jobs like replacement of damaged, rusted and weak poles, tensioning, cradling and fixing lightening arrestor as required for strengthening of 3.3kV OHL structures from Churi CRO Substation to B

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 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 8.00 Metre and upto 10.00 Metre.

Supply 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, turn buckle (20 mm x 60 cm), 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.

Erection of all aluminum conductor of 7/1.96 mm to 7/3.10 mm diameter and above including binding 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 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 11 KV / 22 KV / 33 KV Over head lines 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 as required.

Supplying and erection of 11 KV disc insulator for 3.3 kV/ 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 and erection of 3.3 kV/ 11 KV pin insulator complete with large steel head G.I pin, nuts, washers etc as required.

Erection of disc/ pin insulator for 11 KV over head lines as required.