Maintenance of Overhead lines of feeders No.- 6 (3.3KV), 7 (6.6KV), 22 (6.6KV), 24N(3.3KV) n LT feeders originating from 2X 12.5MVA, 33KV/6.6KV Main Substation to Mines n Workshop of Rajrappa Project

Amount

Erection of metallic pole of length Above 11.00 metre and upto 13.00 metre. 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

Labour cost for loading, unloading of metallic poles, conductors etc. for transportation from store to site: (Truck will be provided departmentally).

Supplying and erection of stay set complete (galvanised) with 19/20 mm dia X1.8 metres long stay rod, anchor plate of size 45 cmX 45 cm X 7.5 mm, thimble, stay clamps, turn buckle (20 mm x 60cm), 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 channel iron 75 mm x 40 mm X 6 mm (7:14 kg per metre) pole top bracket/cross arm for single 11 KV over head line conductor complete with 50 mm x 6mm flat iron clamp, bolts, nuts and washers including drilling holes for insulator pins, bolts and nuts etc 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) pole top bracket/cross arm for two 11 KV over head line conductor complete with 50 mm x 6mm flat iron clamp, bolts, nuts and washers including drilling holes for insulator pins, bolts and nuts etc and painting with primer and finish paint 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 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 and erection of 11 KV disc insulator for 11 KV over head lines with galvanised insulator fittings, ball and socket type and complete with galvanised strain clamps, bolts, nuts, washers etc as required.

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

Erection/ Tensioning of all aluminium conductor of 7/3.40 mm to 7/4.00 mm diameter and above including binding etc. as required. (Route length for erection approx 500m)

Supply of 8 SWG GI wire for Cradling

Erection of Cradle Guard 3 Wire. (18 nos of spans)

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. Gl. wire, cross arms, insulators etc. as required. (10 nos of spans)

Cost for bush cutting(lumsum)

Cost for repairing and checking of jumpers

Total impact of GST for the purpose of CTC

Coalfield Construction

RK CONSTRUCTION CHITARPUR