For preventive maintenance and repairing of 11KV and 3.3KV production overhead line during monsoon of Balkudra outsource under Bhurkunda Colliery.

Amount

Providing and fixing of 11/3.3KV, 400Amps, 3 insulator rocking type Airbreak switch with single action make and break Horizontal type

Erection of all aluminium conductor of 7/1.96 mm to 7/3.10 mm diameter including binding etc. as required. 25 spanX3 wireX50 Mtrs. X 0.394 Kg/Mtrs= 1477.50 KG

Supplying and erection of galvanised stay set for 11 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 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.

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.

Installation and maintenance of free chemical earthing, 80mm, 3 Mtrs with BFC bag approx. 50Kg(25X2) with all accessories.

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

Supplying and erection of a set of cross bracing FRLSame 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 6mm 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

Fixing of lightning conductor finial (single prong) with base plate including holes etc. complete as required.

Jointing copper / G.I. tape (with another copper/ G I tape, base of the finial or any other metallic object) by riveting / nut bolting/ sweating and soldering etc as required.

Supplying of 8/6 SWG GI wire for earthing cradling

Erection of G.I. Wire No. 8 SWG including binding etc. as required.

Erection of cradle guard as required

Supplying and erection of MS angle iron 50mmX 50mmX6mm cross arm for 2 wire overhead line for cradle guard complete with clamps, bolts, nuts, and washer etc including drilling drilling of holes for insulators pin etc (as per drawing) and painting with primer and finished paint as required

Painting of Pole of 3.3KV/11 KV

Total impact of GST for the purpose of CTC

HARIOM CONSTRUCTION (BID ID -1148677)