Annual maintenance for 11 KV O.H. Line for feeder no. 1 and 2 for Chopra more to main substation at 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.

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.

Supply of 6 SWG Gi wire

Errcetion of GI wire 8 SWG including Binding

providing and fixing of 25 X 5 mm GI strip on surface or in recess for connection etc as req.

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

Supply and errection of three piece non linear type resistor type lightening arrestor suitable for 3 wire 11 KV O.H. line with rated volt. 9 KV(rms0 with a nominal current rating of 5 KA and complete with galvanized clamping arrangement, GI, bolt, nuts, washers etc as req.

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 and fixing of 400 Amp. Horizontal/Vertical Type GOAB switch

Providing and fixing of DO fuse

Supplying and making outdoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, XLPE aluminium conductor cable of 11 KV grade as required :70 sq. Mm

Supplying and making outdoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, XLPE aluminium conductor cable of 11 KV grade as required :120 sq. Mm

Dismantling of pole/ street light standard/ strut embedded in cement concrete foundation etc. as required.

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

Supply & fixing moving contact 630 Amp

Supply & fixing of fixed contact 630 Amp

Supply & fixing of clamp 6.6KV, 630 Amp

Supply & fixing of post insulator 11KVgrade

Total impact of GST for the purpose of CTC

M/s Achal Electricals

M/S ADITYA ENTERPRISES