Maintenance of 11 KV O.H. Line poles and accessories for one year as day to day work at destination free locations towards smooth and safe power supply at feeder no. 1 and feeder no. 2 of Kedla U/g project under Hazaribagh Area

Amount

Errection of steel tubular or rail pole strut in cement concrete 1:3:6 foundation including excavation and refilling and secured with holding clamps, bolts, nuts etc as req.

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

Supply of Channel iron 75mm x 40mm x 6mm (7.14Kg/mtr) cross arm for 4 wire OH Line complete with clamps, bolts, nuts and washer etc. including drilling of holes for insulators pins etcl. ( as per drawing) and painting with primer and finished paint 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.

Supply of two lengths of channel iron 75mm x 40mm x 7.5Kg/mtr double pole cross arm for 3 wire OH Line conductors complete with though bolts & nuts for clamping to the poles 50mm x 6mm M.S. flats welded on one side the channel iron and with bolts & nuts on the otherside for lying cross arm together including drillin holes for insulators pins/fittings, bolts & nuts etc. and painting with primer and finish paint as required.

Supply & errection of a set of cross bracing FRL same work for O.H.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 6 mm MS flat iron clamps, bolts & nuts including drilling holes for insulator pins, bolts & nuts etc and painting with primer & finish paint as required.

Erection of Angle iron/channel cross arm on woodeN/RCC/PCC/Steel tubular/Rail Poles etc as required.

Erection of ACSR conductor of 7/3.35 mm to 7/4.00 diameter and above including binding etc. as required. (40 span X 3 wire X 40 M X 394 Kg/Km)

Providing and making steel pole collar with cement concrete (1 cement : 3 coarse sand : 6 stone aggregate 20mm) of specified size and shape including form work, plastering if required, curing etc as required. (volume of pole/ pipe not to be deducted) 0.7 X 0.7 X 0.7 = 0.343 cum X 20 Nos. = 6.86 cum

Supply and erection of approved make safe earthing electrode consisting pipe-inpipe technology as per IS 3043-1987 made of corrosion free G.I. pipes with constant ohmic value surrounded by highly conductive compound with high charge dissipation suitable for effective and maintenance free earthing in earth pit of minimum bore dia. 150mm size, as mentioned below : With 3 metre G.I. pipes having outer pipe dia of 50mm having 80-200 micron galvanizing, Inner pipe dia. of 25mm having 200-250 Micron galvanizing, connection terminal dia. of 12mm in nominal soil with 50 kg (two bag) back filling bentonite compound UL listed and confirm to relevant International/Indian standards around electrode upto ground level.

Providing of DO Fuse 11KV grade

Supply of 11 KV 600 Amp G.O.A.B switch

Providing of post insulator

Providing and fixing of Fix Contact for GOAB switch

Providing and fixing of Moving Contact for GOAB switch

Dismantling of over head lines comprising of copper/ aluminiumover head conductor, G.I. wire, cross arms, insulators etc. as required.

LOADING AND UNLOADING OF POLES

Loading/Unloading of dismantled OH line accessories from site to store

Total impact of GST for the purpose of CTC

M/S VAISHALI ELECTRIC COMPANY (BID ID -1131252)