Annual Maintenance of different 11 kV HT Incoming and differernt 3.3 kV HT Outgoing Overhead Power Lines of JOCP for a Period of 12 Months alongwith the renovation of lightning protection system of main substation, laiyo substation and mines at

2 nos. 11KV HT OH lines from KOCP to JOCP Erection of metallic pole of above 10.00 metre and up to 12.00 metre in cement concrete 1:3:6 ( 1 cement: 3 coarse sand:6 graded stone aggregate 40mm nominal size) foundation including excavation and refilling etc. as required.

Erection of all aluminium conductor of 7/3.40 mm to 7/4.00 mm diameter and above including binding etc. as required.

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

Providing and making steel pole collar with cement concrete (1 cement : 3 coarse sand : 6 stone aggregate 20mm) of specified size and shape including form work, plastering if required, curing etc as required. (volume of pole/ pipe not to be deducted)

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.

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 50 mm X 6 mm (angle iron bracket welded to the channel iron and complete with 50 mm X 6mm M.S. flat iron clamps, 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 angle iron/channel iron cross arm on wood/RCC/PCC/Steel tubular/rail pole etc. as required.

Dismantling of pole/ street light standard/ strut embedded in cement concrete foundation etc. as required.

Dismantling of over head lines comprising of copper/ aluminium over head conductor, G.I. wire, cross arms, insulators etc. as required.

Supply of 8 SWG GI Wire and cradling of O/H line.