Maintenance of 11 kV feeder no. 1, 2 and 5 at GM Unit under MRSS, Dhori Area

Amount

Part A: Feeder no. 01

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.

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.

Erection of double pole 3 wire cross arm for 11 KV over head lines 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 KV as required.

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

Erection of all aluminium conductor of 7/3.40 mm to 7/4.00 mm diameter and above including binding etc. as required - Dog Conductor

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

Re-connection of OH jumpers during preventive maintenance or breakdown

Providing of 11 kV, 400 A Male contact Blade suitable for Double Break GOS

11 kV, 400 A Female contact Blade suitable for Double Break GOS

Repairing of 400 Amps, 11KV grade GOS after dismantling of burnt/defective one phase Male & Female fixed contact, copper wirenet - 1.5 mtr, moving contact etc and replace from the materials along setting it on the pole structure

Erection of cradle guard as required.

Clamps, bolts nuts etc.

Supply of channel iron 75 mm x 40 mm x 7.14 kg / mtr cross arm for 2 wire OH Line complete with clamps bolts and nuts etc including drilling of holes of insulators pins and painting with primer and finish paint as required.

Lettering with black Japan paint of approved brand and manufacture for Numbering of poles.

Appling priming coat : With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanized iron with ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel work (second coat)/steel works

Painting with aluminium paint of approved brand and manufacture to give an even shade - Two coats.

Part B: Feeder no. 02

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.

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.

Erection of double pole 3 wire cross arm for 11 KV over head lines 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 KV as required.

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

Erection of all aluminium conductor of 7/3.40 mm to 7/4.00 mm diameter and above including binding etc. as required - Dog Conductor (30 spans X 3 wire X 50 mtr X 0.394 kg/m)

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

Maintenance preventive Connection of OH jumper (during fault or re-connection during maintenance activity)

Providing of 11 kV, 400 A Male contact Blade suitable for Double Break GOS

11 kV, 400 A Female contact Blade suitable for Double Break GOS

Repairing of 400 Amps, 11KV grade GOS after dismantling of burnt/defective one phase Male & Female fixed contact, copper wirenet - 1.5 mtr, moving contact etc and replace from the materials along setting it on the pole structure

Erection of cradle guard as required.

Clamps, bolts nuts etc.

Supply of channel iron 75 mm x 40 mm x 7.14 kg / mtr cross arm for 2 wire OH Line complete with clamps bolts and nuts etc including drilling of holes of insulators pins and painting with primer and finish paint as required.

Lettering with black Japan paint of approved brand and manufacture for Numbering of poles. ( 7 cm size of one letter, 140 cm per pole x 106 nos = 14840 cm )

Appling priming coat : With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanized iron with ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel work (second coat)/steel works. Poles (106 nos x 5.746 sqm/no)

Painting with aluminium paint of approved brand and manufacture to give an even shade - Two coats.

Part C: Feeder no. 05

Erection of steel tubular pole 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 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.

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 of two length of channel iron 75 mm x 40 mm x 6 mm (7.14 kg / mtr ) double pole cross arm for three wire 11 KV OH line conductor complete with through bolts and nuts for clamping to the poles, 50 mm X 6 mm MS flats welded on one side to the channel iron and with bolts and nuts on the other side for tying the cross arm together, including drilling holes for insulator pins, bolts nuts and washers etc (as per drawing) and painting with primer and finish paint as requied.

Erection of double pole 3 wire cross arm for 11 KV over head lines 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 KV as required.

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

Erection of all aluminium conductor of 7/3.40 mm to 7/4.00 mm diameter and above including binding etc. as required - Wolf Conductor (45 spans X 3 wire X 50 mtr X 0.726 kg/m)

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

Maintenance preventive Connection of OH jumper (during fault or re-connection during maintenance activity)

Providing of 11 kV, 400 A Male contact Blade suitable for Double Break GOS

11 kV, 400 A Female contact Blade suitable for Double Break GOS

Repairing of 400 Amps, 11KV grade GOS after dismantling of burnt/defective one phase Male & Female fixed contact, copper wirenet - 1.5 mtr, moving contact etc and replace from the materials along setting it on the pole structure

Supply of 6 SWG G.I. wire. (2550 mtr x 0.131 kg)

Erection of cradle guard as required.

Clamps, bolts nuts etc.

Supply of channel iron 75 mm x 40 mm x 7.14 kg / mtr cross arm for 2 wire OH Line complete with clamps bolts and nuts etc including drilling of holes of insulators pins and painting with primer and finish paint as required.

Providing of 10 mm X 25 mm long GI bolt with nut etc

Dismantling of pole in cement concrete foundation etc. as required

Total impact of GST for the purpose of CTC

M/S UNNATI ELECTRICAL WORKS

M/S P S ENTERPRISES