Maintenance work of LT and HT Overhead Lines of Regional Repair Shop Dakra for a period of one year.

PART A: MAINTENANCE WORK

Disconnection and reconnection of conductors of jumper of HT and LT OH lines during breakdown rectification under departmental supervision.

Relocation / dismantling and refitting of light fittings installed at different locations.

Re-erection / tensioning of the conductors of LT lines for maintaining the proper sag as well as after fault clearing of LT OH lines (Rabbit conductor 2000Mtrs).

Re-erection / tensioning of the conductors of HT lines for maintaining the proper sag as well as after fault clearing of HT OH line (Dog conductor 500Mtrs).

Cable handling (lowering and lifting) of power cables for fault rectification / shifting of cables for lighting transformers.

Supplying and erection of stay set complete (galvanised) 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, thimble, stay clamps, turn buckle ( 20 mm X 60 cm ), 7/ 3.15 mm dia G.I. stay wire and 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 cradle Guard as required.

Erection of LV / MV shackle / pin insulator etc as required.

Erection of disc/ pin insulator for 11 KV over head lines as required

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

Earthing with G.I. earth plate 600 mm x 600 mm x 6 mm thick including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 mtrs long etc etc. with charcoal and salt as required.

Part B: Separate 440V)

Erection of metallic pole of following length 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. Above 10.00 Metre and upto 12.00 Metre.

Erection of all aluminum conductor of 7/1.96 mm to 7/3.10 mm diameter and above including binding etc as required (6 span x 40M = 240 x5 = 1200M x 0.149 = 178.80 kg + 5% carriage = 187.74kg)

Supplying and erection of stay set complete (galvanised) 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, thimble, stay clamps, turn buckle ( 20 mm X 60 cm ), 7/ 3.15 mm dia G.I. stay wire and 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 and erection of 100 mm x 110 mm shackle insulator with G.I. Bolt, nuts and straps etc. as required.

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

Supplying of channel iron 75 mm x 40 mm x 6 mm (7.14 kg per metre) cross arm for 4 wire over head line complete with clamps, bolts, nuts and washer etc including drilling of holes for insulator pins etc (as per drawing) and painting with primer and finished paint 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 four wire 440 V 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 angle iron / channel iron cross arm on wood / RCC / PCC/ Steel Tubular/ rail pole etc. as required.

Supply of 8 SWG G.I. wire (6 spm x 40 = 240M x 2 = 480M x 0.131kg = 62.88kg).

Erection of G.I wire No. 8 SWG including binding etc as required.

Erection of cradle Guard as required.

Total impact of GST for the purpose of CTC

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