Extension/ erection of HT Overhead Line of 3.3KV at Sec.I n Sec.-II Patches n 6.6KV of feeders at Sec.-II Patches (Route length for erection approx. 750mtr) for Monsoon preparation at Mines of Rajrappa Project

Amount

Erection of metallic pole of length Above 11 metre and upto 12 metre in cement concrete 1:3:6 (1cement: 3 coarse sand: 6 graded stone aggregate 40mm size) foundation including excavation and re filling etc.as required

Supplying and erection of stay set complete (galvanised) 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.

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) 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.

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.

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

Erection of angle iron/ channel iron cross arm on steel tubular/ rail pole etc. as required.( For conductor bracket= 6 and cradle guard bracket =8)

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.(Approx. Route length for erection is 750m).

Erection/ Tensioning of all aluminium conductor of 7/1.96 mm to 7/3.10 mm diameter including binding etc. as required. (Approx. Route length for erection is 750m).

Supply of 8 SWG GI Wire for cradling

Erection of Cradle guard 3 wire(06 no of spans)

Supply and erection of approved make safe earthing electrode consisting pipe-inpipe technology as per IS 3043-1987 made of corrosion free G.. pipes with constant ohmic value surrounded by highly conductive compound with high charge dissipation suitable for effective and maintenance free earthing in earth pit of minimum bore dia. 150mm size With 3 metre G.l. pipes having outer pipe dia of 50mm having-80-200 micron galvanizing, Inner pipe dia. of 25mm having 200-250 Micron galvanizing, connection terminal dia. of 12mm in nominal soil with 50 kg (two bag) back filling bentonite compound UL listed and confirm to relevant International/Indian standards around electrode upto ground level.

providing masonry enclosure with cover plate having locking arrangement and as required.

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

Total impact of GST for the purpose of CTC

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