Maintenance of 440V OHL of Dudhamatia Basti from Main Substation at Topa Project under Kuju Area

Amount

Erection of RCC/ PCC pole of following length 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. Above 8.0 metre and upto 10.0 metre

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/ 4.00 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 and errection pit of minimum bore dia 150mm size, approved maked safe earth electrode consisting pipe in pipe technology as per IS 3043-1987 made of corrosion free GI pipes with constant ohm value surrounded by highly conductive compound with high charge dissipation suitable for effective and maintenance free earthing as per mentioned below: with 3 mtr GI pipes having 200-250 micron galvanised connection terminal dia of 12 mm in nominal soil with 50 KG (two bag) back filling compound.

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm)

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, nuts and washer etc including drilling of holes for insulator pins etc (as per drawing) and painting with primer and finished paint as required

Erection of all aluminium conductor of 7/1.96 mm to 7/3.10 mm diameter including binding etc. as required

Supplying and erection of 100 mm X 80 mm pin insulator complete with G. I. Spindle and nuts etc. as required .

Supplying and erection of 100 mm X 110 mm shackle insulator with G. I. Bolt, nuts and straps etc. as required

Painting of pole (10M length) 2 Coat aluminium and one coat red oxide

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

Phase Separator

Total impact of GST for the purpose of CTC

MOHANLAL SAO