Dismantling and Erection of 440V OH Line from 630kVA Transformer of Feeder Breaker to Sampling Office/ Siding Office and 630 kVA Transformer to DRR-2 , Mohan Nagar Pond and Supplying power to Road WB No-02 under Dakra Project, N.K Area

Amount

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

Dismantling of O/H line comprising of copper/aluminum overhead conductors, G.I wire, cross arms, insulator etc. as required. (Total conductor length=17 span x 5 wire x 40 mtr x 1.05= 3570 mtr @214 kg/km)& Insulators,V bracket/crossing etc=55 kg

Erection of metallic pole of following length in cement concrete 1:3:6 (1 cement: 3 coarse sand: 6 graded stone aggregate 40mm nominal size) foundation including excavation and refilling etc. as required. Above 8.0 metre upto 10.0 metre

Erection of all aluminium conductor of 7/3.40 mm to 7/4.00 mm diameter and above including binding etc. as required. (Total conductor length=17 span x 5 wire x 40 mtr x 1.05= 3570 mtr @214 kg/km)

Bakelite Plate for supporting bushbar

Supplying and erection of 100 mm X 65 mm pin insulator complete with G. I. Spindle and nuts etc. as required.

Supplying and erection of 75 mm X 90 mm shackle insulator with G. I. Bolt, nuts and straps etc. as required

Supply of channel iron 75mm x 40mm x 6mm (7.14Kg/Meter) cross arm for four wire overhead line complete with clamps, bolts, nuts and washer including drilling of holes for insulator pin and paiting with primer and finished paint as required.

Supply of 6/8 SWG GI wire ( 20 span cradling: 20 x 2 x40x 1.10 Mtr=1760 Mtr and 20 cradles of 1.5 Mtr each span i.e 30 Mtr and for 20 span = 20x30 Mtr=600 Mtr, Total 6/8 SWG G.I wire= 2360 Mtr @ 131kg/km= 309 kg

Erection of G.I wire 8 SWG including binding etc as required (For Cradling= 0.131Kg/ Mtr x 20 span x 2 wire x 40 Mtr x1.10= Kg)

Erection cradle guard as required. (Total Nos= 20 Nos x 20 span= 400 Nos)

Erection of angle iron/ channel iron cross arm on wood/RCC/PCC steel tubular /rail pole etc as required

Erection of LV/MV shackle/Pin insulator etc as required

Earthing with copper earth plate 600mm x 600mm x 3mm thick including accessories , and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 mtr long etc with charcoal/coke and salt as required (One for lighting arrestor and one for Electrical equipment to be installed)

Supplying and erection of three piece nonlinear resistor type lightning arrestor suitable for 3 wire, 11 KV/3.3KV overhead lines with rated voltage 9 KV (rms) with a nominal discharge current rating of 5 KA and complete with galvanised clamping arrangement, G.I. bolts, nuts, washers etc. as required.

Painting of Poles

Felling trees of the girth (measured at a height of 1m above ground level) including cutting of trunks and branches removing the roots and stacking of seviceable material and disposal of unserviceable material: Beyond 30cm girth upto and including 60cm girth