Preventive maintenance of 11KV OHL from Khas mahal main substation to phase II colony for period of 120 days in respect of AKK OCP, BnK Area

Amount

Erection of ACSR conductor of 7/3.35 mm to 7/4.00 diameter and above including binding etc. as required. (12 span x 50 m x 3 wire) x 0.394 kg/m = 709.2 kg

Supply of 8 SWG G.I. wire (for Earthing & Cradling): 500 m x 0.116 kg = 63.8 kg

Erection of 8 SWG G.I. wire (for Earthing & Cradling): 63.8 kg

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

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, bow tightener, 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

Dismantling of over head lines comprising of copper/ aluminium over head conductor, G.I. wire, cross arms, insulators etc. as required. ((50 m x 3 phase x 12 span x 0.394 kg = 709.2 kg)

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth upto 30 cm measured at a height of 1m above ground level and removal of rubbish upto a distance of 50 m outside the periphery of the area cleared. (15 span x 40 m x 5 m) = 3000 sq.m.

Supply and providing of 11 kV, 400 A, 3 Insulators Gang operated Air Break Off Load Disconnecting Switch, horizontal rocking type.

Installation of 11 kV Air Break Switch

copper flexible junper gang to horn OH line

supply and fixing of 11KV post insulator for horn gap switch

Supply and erection 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 and painting with primer and finish paint 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 galvanised clamping arrangement, G.I. bolts, nuts, washers etc. as required.

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. with charcoal/ coke and salt as required.

Total impact of GST for the purpose of CTC

CITY ELECTRICALS

SANTOSH KUMAR SINGH