Erection of 3.3kv HT overhead line from tapping in existing 3.3kV line near incline No 1 by 2 substation to proposed borehole site for power supply to submersible pump sets at Bhatgaon UG Mine

Item Description/ Heading

Erection of metallic pole (Above 10.00 metre and upto 12.00 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.

Erection of RCC/PCC pole of above 8.0 meter and upto 11meter in brick ballast and ramming the foundation, finishing with 150mm thick cement concrete (1:3:6) layer on top with including excavation and refilling etc as required.)

Erection of ACSR conductor of 7/3.35 mm to 7/4.00 diameter and above including binding etc. as required (Conductor to be provided by SECL) (0.394 x 3345m)

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.

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 75mm x 40 mm x 6 mm (7.14 kg per meter) V shape cross arm for 02 11kv Overhead line consuctors complete with 50mm x 6mm MS flat iron clamps bolts and nuts including drilling holes for insulator pins, bolts, nuts and washer etc (As per drawing) and painting with primer and finish paint as required.

Erection of pole top/straight two wire /V shape two wire, angle iron/channel. Cross arm on steel tubular/rail/PCC pole

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

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

Total impact of GST for the purpose of CTC

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