Preventive repair and maintenance of 3.3 KV outgoing feeders from DD mines sub-station and Gandhinagar Substation in respect of Bokaro Colliery

Amount

Erection of ACSR Conductor 7/3.35 mm to 7/4.00 mm diameter and above including binding etc as required

Supply and erection of galvanized stay set for 11 KV O.H. Line complete with 19/20 mm dia x 1.8 mtr long stay rod , anchor plate of size 45 cm x 45 cm x 7.5mm, thimble , stay clamps ,turn buckle ( 20mm x 600 cm ) 7/4.00 mm dia GI 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.

supply and erection of clamp nut bolt with washer

Supply and erection of 11 KV Pin insulator complete with large steel head GI pin, nuts washer etc as required.

Supply and erection of 11 KV disc insulator for 11 KV OH line with galvanized insulator fittings ball and socket type and complete with galvanized strain clamps bolts and nuts washers etc as required.

Supply and erection of 8 SWG GI wire for earth continuity and cradling

Erection of cradle guard as required

Dismantling of conductor, Damage disc and pin insulator, Damage G. I. Wire etc whichever required.

supply of wireman for detection of fault (will reach the site within one hour of intimation)

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

dismantling of conductor for replacment of damaged disc insulator and erection of conductor after replacment of insulator by making arrangement to hold the conductor on overhead line

dismantling of conductor from pin insulator including unbinding of aluminium wire for holding conductor with pin insulator for replacment of pin insulator

dismantling of jumper

erection of jumper

meggering of overhead line

Total impact of GST for the purpose of CTC

CITY ELECTRICALS

M/S JAI MAA ENTERPRISES