Erection of 11 KV overhead line from Regional sub-station to 2 No. Sub-station of Kathara Colliery under Kathara 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 10 Mtrs and upto 12 Mtrs)

Supplying & erection of stay set complete (galvanized) with 19/20 mm dia x 1.8 meters long stay rod, anchor plate of size 45 cm x 45 cm x 7.5 mm, thimble, stay clamps, turn buckle (20 mm x 60cm), 7/4.00 mm dia G.I stay wire and strain insulator etc in cement concrete 1:3:6 (1 cement : 3 oarse sand : 6 graded stone aggregate 40 mm nominal size ) foundation including excavation and refilling as required.

Supplying & erection of 11 KV disc insulator for 11 KV over head lines with galvanized insulator fittings, ball 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

Supplying of channel iron 75 mm X 40 mm X 6 mm (7.14 kg per metre) pole top bracket/ cross arm for single 11 KV over head line conductor complete with 50 mm X 6mm flat iron clamp, bolts, nuts and washers including drilling holes for insulator pins, bolts and nuts etc and painting with primer and finish paint as required.

Supplying of channel iron 75 mm X 40 mm X 6 mm (7.14 kg per metre) cross arm for two 11 KV over head line conductors complete with 50 mm X 50 mm X 6 mm (angle iron bracket welded to the channel iron and complete with 50 mm X 6mm M.S. flat iron clamps, bolts and nuts including drilling holes for insulator pins,bolts, nuts and washers etc (as per drawing) and painting with primer and finish paint as required.

Erection of pole top/ straight two wire/ V shape two wire, angle iron/ channel iron, cross arm on steel tubular/ rail/ PCC pole for 11/22/ 33 KV 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 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 (as per drawing) and painting with primer and finish paint as required.

Erection of double pole 3 wire cross arm for 11KV/ 22KV/ 33 KV over head lines 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.

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 rrangement, G.I. bolts, nuts, washers etc. as required.

Erection of ACSR conductor of 7/3.35 mm to 7/4.00 mm diameter including binding etc. as required (17 Span x 60 Mtrs x 3 wire = 3060 Mtrs x 0.394 Kgs = 1205.64) ( For Jumpering -1.5 Mtrs x 3 wire x 9 Nos = 40.5 Mtrs) Total - 1246.14 Kgs

Earthing with G.I. earth plate 600 mm X 600 mm X 6 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 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

Providing and fixing G.I. tape 20 mm X 3 mm thick on parapet or surface of wall for lightning conductor complete as required. (For vertical run)

Supplying and laying 8 SWG G.I. wire at 0.50 metre below ground level for conductor earth electrode, including connection/ termination with GI thimble etc. as required.

Cradling with 8 SWG G.I Wire

Supplying of 50 mm X 8 mm M.S. flat iron pole top bracket/ cross arm for single 11/22/33 KV over head line conductor complete with fixing clamps, bolts, nuts and washers drilling holes for insulator pins, bolts and nuts etc and painting with primer and finish paint as required.

Installation charge of DO Fuse

G.O.A.B Switch - 11 KV grade, 800 Amps, Horizontal Type heavy duty

Commissioning of 11 KV G.O.A.B

D.O Fuse Complete Set

Total impact of GST for the purpose of CTC

M/S. PAWAN KUMAR

Munda Construction & Services

RAHIM CONTRACTOR