Maintenance of Overhead lines of feeders No.- 6(3.3KV) , 7 (6.6KV), 8(6.6KV), 22(6.66KV) and 24 (3.3KV) originating from 2x12.5 MVA, 33KV/ 6.6KV Main Substation to Mines and Workshop of Rajrappa Project

Amount

Erection of metallic pole of length Above 10.00 metre and upto 12.00 metre in cement concrete 1:3:6 (1 cement :3 coare sand : 6 graded stone aggregate 40 mm nominal size) foundation including excavation and refilling etc.as required.

Supplying and erection of stay set complete (galvanised) with 19/20mm dia* 1.8 metres long stay rod , anchor plate of size 45cm*45cm* 7.5 mm thimble, stay clamps, turn buckle (20mm* 60cm ), 7/ 3.15mm dia G.l stay wire and strain insulator etc in cement concrete 1:3:6 (1cement :3 coarse sand :6 graded stone aggregate 40mm nominal size) foundation including excavation and refilling etc.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 11/22/33 KV as required.

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

Supply of Stay clamp (pole Clamp)

Supply of M.S. Nut bolts (5/8" X 7")

Supplying and erection of 11KV disc insulator for 11KV over headlines with galvanised insulator fittings, ball and socket type and complete with galvanised strain clamps , bolts, nuts, washers etc as required. ( Only Disc insulator departmentally supplied).

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

Erection / Tensioning of all aluminium conducter of 7/3.40 mm to 7/4.00 mm diameter and above including binding etc. as required (Route length for erection apporx. 300m).

Supply of 8 SWG G.l wire for Cradling and earth Continuity

Erection of G.l wire No. 8 SWG for erection of earth wire , including binding etc . As required.(15nos. Of spans).

Erection of Cradle Guard 3 Wire.(10 nos of spans).

Dismantling of pole / street light standard/ strut embedded in cement concrete foundation etc . As requied.

Dismantling of overhead lines comprising of copper/aluminium over head conductor, G.I. wire, cross arms, insualtors etc. as required(3 nos. of spans)

Cost for Bush cutting(Lumsum)

Cost for checking & repairing of jumpers.

Add Contractor's Profit

Total impact of GST for the purpose of CTC

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Coalfield Construction