Repairing, maintenance and updation of Vasant Vihar 11 kV Feeder (from 33 kV CSS to Ray Colliery Sub-Station) for using it as 33 kV Source feeder for 10 MVA, 33 kV / 11 kV Sub-station proposed at Ray Colliery under GM Unit, Piparwar Area.

Amount

Erection of steel tubular or rail pole strut in cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size ) foundation including excavation and refilling and secured with holding clamps, bolts, nuts, etc. as required.

Supplying and erection of galvanised stay set for 33 KV over head lines complete 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 thick, thimble, stay clamps, turn buckle ( 20 mm X 600 mm ), 7/ 4.00 mm dia G.I. stay wire and 33 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.

Supplying and erection of 33 KV pin insulator complete with large steel head G.I. pin, nuts, washers etc. as required.

Supplying and erection of a set of cross bracing FRLSame work for 33 KV over head line double pole structure having four members fabricated out of 65 mm X 65 mm X 6 mm angle iron to form a rectangle of minimum size 2400 mm width X 2800 mm height complete with 50 mm X 6mm M.S. flat iron clamps, bolts and nuts including drilling holes for insulator pins, bolts, nuts, washers etc and painting with primer and finish paint as required .

Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing as required.

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

Supplying and erection of single piece nonlinear resistor type lightning arrestor suitable for 3 wire, 33 KV overhead lines with rated voltage 30 KV (rms) with a nominal discharge current rating of 10 KA (station class) and complete with galvanised clamping arrangement, G.I. bolts, nuts, washers etc. as required.

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

Supplying and erection of 50 mm X 6 mm flat iron including drilling holes, bolts, nuts, washers etc and painting with primer and finish paint as required.

Supplying and fixing of 16 mm X 150 mm bolts and nuts with washers as required.

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

Painting of pole with one coat of red oxide paint and two coats of Aluminium Paint.

Total impact of GST for the purpose of CTC

SRI RAM CONSTRUCTION

CREATIVE SOLUTION

M/S BABA & CO

Rajneesh Electricals

M/s VARDWAJ CONSTRUCTION

M/S. PAWAN KUMAR