Repair, Maintenance and strengthening of 11 KV HT Overhead Line from KDH Sub-station to Filter Plant and Damodar Intake Pump under GM Unit, NK Area

Amount

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

Supply and erection of stay set complete (galvanized) 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.

Erection of all aluminum conductor of 7/1.96 mm to 7/3.10 mm diameter and above including binding etc 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 11 KV overhead line conductors complete with through bolts and nuts for clamping to the poles, 50 mm X 6 mm MS 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.

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 50 mm x 6 mm M.S. flat iron clamps, bolts and nuts including drilling holes for insulator pins, bolts and nuts etc (as per drawing) and painting with primer and finish paint as required.

Supplying and erection of 11 KV disc insulator for 11 KV over head lines with galvanized insulator fittings, ball and socket type and complete with galvanized strain clamps, bolts, nuts, washers etc. as required.

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

Erection of disc / pin insulator for 11 KV over head lines as required.

Supply of 8 / 6 SWG G.I. wire

Erection of cradle Guard as required.

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

Cleaning jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth upto 30 cm measured at a height of 1 m above ground level and removal of rubbish upto a distance of 50 m outside the periphery of the area cleared.

Earthing with G.I. earth pipe 4.5 Metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc (but without charcoal / coke and salt) as required.

Painting of pole with Aluminum Paint post applying Red oxide zinc chromate Primer (two coats)

Providing of GOAB switch 11 KV

Labour cost of Item No. 15

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

Dismantling of over head lines comprising of copper / aluminium over head conductor, G.I. wire, cross arms, insulators etc as required.

Total impact of GST for the purpose of CTC

M/S Ashish Construction

R.K.SINGH & CO.