Repair, Maintenance and strengthening of 33kV Feeder No. 5 and 6 with dismantling and erection of pole and 33kV OHL supplying power to Old Substation and New Substation of KDH OCP, NK Area

Amount

Erection of steel tubular or rail pole strut in cement concrete 1:3:6 (1cement: 3 coarse sand: 6 graded stone aggregate 40mm nominal size) foundation including excavation and refilling and secured with holding clamps, bolts, nuts, etc. as required.

Erection of ACSR conductor of 7/3.35 mm to 7/4.00 diameter and above including binding etc. as required.

Supplying and erection of galvanized stay set for 33 KV overhead lines complete with 19/20 mm dia X 1.8 meters long stay rod, anchor plate of size 45 cm X 45 cm X 7.5 mm thick, thimble, stay clamps, turnbuckle (20 mm X 600 mm), 7/4.00 mm dia GI stay wire and 33 KV 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 and erection of a set of three 11 KV disc insulator for 33 KV overhead 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 33 KV pin insulator complete with large steel head G.I. pin, nuts, washers etc. as required.

Supplying of two lengths of channel iron 100 mm X 50 mm X 6 mm (9.56 kg per meter) double pole cross arm for three wire 33 KV overhead 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, washers etc. and painting with primer and finish paint as required

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

Supply and erection of 65 mm x 6 mm MS flat iron clamps and wedges, bolts and nuts including drilling and painting with primer and finished paint as required.

Supplying of channel iron 75 mm X 40 mm X 6 mm (7.14 kg per meter) V shape cross arm for two 33 KV overhead line conductors complete with 50 mm X 6 mm M.S. flat iron clamps, bolts and nuts including drilling holes for insulator pins, bolts and nuts etc. and painting with primer and finish paint as required.

Supplying of channel iron 100 mm X 50 mm X 6 mm (9.56 kg per meter), pole top bracket/ cross arm for single 33KV overhead line conductor complete with 50 mm X 6mm M.S. flat iron clamps, bolts and nuts including drilling holes for insulator pins, bolts and nuts etc. and painting with primer and finish paint as required.

Supplying and erection of 3 sets of channel iron 100 mm X 50 mm X 6 mm (9.56 kg per meter), single pole bracket/ cross arm for single 33KV overhead line suspension based complete with 50 mm x 50 mm x 6 mm angle for support arm complete with 65 mm x 6 mm M.S. flat iron clamps and wedges, bolts and nuts including drilling for insulator fittings, bolts, nuts and washers etc. (as per drawing) and painting with primer and finish paint as required.

Supplying and erection of a set of cross bracing frame work for 33KV overhead line double pole structure having four members fabricated out of 50 mm X 50 mm X 6 mm angle iron to form a rectangle of minimum size 1400 mm width X 2500 mm height complete with 50 mm X 6 mm M.S. flat iron clamps, bolts and nuts including drilling holes for insulator pins, bolts, nuts, washers etc. and painting with primer and finish paint as required.

Providing and fixing of GOAB switch 33kV grade, 1250A, 25kA for 3 Sec, Triple pole, Double Break, Horizontal upright mounting with 22kV grade porcelain post insulator, vertical operating pipe, and phase coupling pipe.

Supply of 7/14 Earth Wire.

Supply of 8/6 SWG G.I wire for erection of cradle guards.

Erection of earth wire.

Erection of cradle guard as required.

Tree trimming under 33 kV OHL of Feeder No. 5 & 6

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

Dismantling of overhead lines comprising of copper/ aluminum overhead Conductor, Cl. wire, cross arms, insulators etc. as required.

Painting of Poles.

Total impact of GST for the purpose of CTC