Rearrangement of 3.3 KV overhead circuit for shifting the existing switch room to the newly commissioned 2 X 5 MVA 33KV/6.6 KV substation under Birsa Project

Amount

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

Supplying and erection of galvanised stay set for 11 KV over head lines complete 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 thick, thimble, stay clamps, turn buckle ( 20 mm X 600 mm ), 7/ 4.00 mm dia G.I. stay wire and 11 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.

Erection of all AAAC conductor of 7/3.35 mm to 7/4.00 mm diameter and above including binding etc. as required. (5.7km X 342.51 kg/km)

Supplying and erection of 11 KV disc insulator for 11 KV overhead lines with galvanished insulator fittings,ball and socket type and complete with galvanised strain clamps,bolts,nuts,washer etc. as required

Supply and erection of 11 KV pin insulator complete with large steel head GI pin, nut, washer etc. as required

Supply of 8 SWG G.I wire

Erection of G.I wires No- 8 SWG including binding 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 6 mm 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 ) cross arm for 2 wire over head line complete with clamps , bolts, nuts and washer etc including drilling of holes for nsulator pins (as per drawing) 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 metre) cross arm for 4 wire over head line complete with clamps,bolts and nuts and washers etc including drilling of holes for insulator pins etc and painting with primer and finished 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 KV as required

Erection of angle iron/ channel iron cross arm on wood/ RCC/ PCC/ steel tubular/ rail pole etc. as required.

Supplying of two length channel iron 75 mm X 40 mm X 6 mm (7.14 kg per metre) double pole cross arm for three wire 11 KV 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 arm 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 over head line as required.

Supplying and erection of a set of cross bracing frame work for 11 KV over head 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 50mm X 6 mm M.S flats iron clamps, bolts and nuts including drilling holes for insulator pins,bolts and nuts etc and painting with primer and paint as required

Supplying and erection of three piece non linear resistor type lightning arrestor suitable for 3 wire, 11 KV over head lines with rated voltage 9 KV (rms) with a nominal discharge current rating of 5 KA and complete with galvanised clamping arrangement ,G.I bolts,nuts,washers etc. as required.

Providing and installation of Maintenance free chemical earthing 80mm,3 mtrs with BFC bag approx 50 kg(25x2) with all Accessories

Providing and fixing 25mm X 5 mm G.I strip on surface or in recess for connections etc. as required.

Supplying and erection of 11 KV 600/400 Amp 3 insulator rocking type air break switch with single action make and break horizontal type

Supplying of two length channel iron 75 mm X 40 mm X 6 mm (7.14 kg per metre) double pole cross arm for three wire 11 KV 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 arm 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.(For GOAB)

Erection of double pole 3 wire cross arm for 11 KV over head line as required.

Loading and Unloading of Poles

Total impact of GST for the purpose of CTC