Fabrication and erection of HT and LT bus bar arrangement with structure including manufacture/supply of 03 nos. 800 A, 440 V, ACB at IWSS substation under CCD, GM Unit, Dhori Area.

Amount

Part A: HT bus bar arrangement with structure

Dismantling of pole in cement concrete foundation as required

Dismantling of overhead lines comprising of aluminium overhead conductor, GI wire, cross arms, insulators etc as required

Dismantling of cable from 11 kV HT overhead line to transformer

Erection of steel tubular poles of length more than 10 m and upto 12 m in cement concrete (1 cement : 3 coarse sand : 6 stone aggregate 40 mm) foundation including excavation and refilling etc. as required.

Erection of AA conductor of 7/1.96 mm to 7/3.10 mm dia meter & above including binding etc. as required.

Supplying and erection of stay set complete (galvanised) for 11 kV OH line with 19/20 mm dia X 1.8 metres long stay rod, anchor plate of size 45 cmX 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 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 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 cross arm for 11 kV overhead line

Making steel pole collar with cement concrete (1 cement : 3 coarse sand : 6 stone aggregate 20 mm) of specified size and shape including from work, plastering if required, curing etc as required

Excavation of soil for fixing of bus bar support structure

Providing and laying in position cement concrete 1:3:6 (1 cement: 2 coarse sand: 6 graded stone aggregate 20 mm nominal size) for fixing of bus bar support structure

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.

Fabrication of iron materials like angle, channels for iron structure

Erection of iron materials like angle, channels for iron structure

Supply and fixing of 11 kV grade post insulator

Supply of bus bar of alloy aluminium pipe 38 mm OD (4 mm thickness)

Supply of straight jointer for extension of bus bar

Supply of post insulator clamp suitable for bus bar

Supply and fixing of bimetallic connector (copper-aluminium)

Laying of bus bar along with all related equipments

Supply of 800 A, 11 kV grade Gang Operating Switch

Installation of Gang Operating switch

Applying priming coat With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron/ steel works (first coat)With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron/ steel works (second coat)

Painting with aluminium paint of approved brand and manufacture to give an even shade : Two or more coats on new work

Part B: LT bus bar arrangement with structure & ACB

Supply and fixing of 440 V grade post insulator

Supply of bus bar of alloy aluminium pipe 38 mm OD (4mm thickness)

Supply of straight jointer for extension of bus bar

Supply of post insulator clamp suitable for bus bar

Supply and fixing of bimetallic connector (copper-aluminium)

Laying of bus bar along with all related equipments

Manufacture/supply/providing and fixing of NFLP type ACB, 415 V, 800 A, CTR: 800/5

Total impact of GST for the purpose of CTC

CHAITALI ENTERPRISES

M/S CHHOTTANAGPUR SUPPLY AGENCY