Day to day repair and maintenance of 220Volt and 440Volt Over Head Line at Opencast Mines of Jarangdih Colliery for the period of Two (02) year or quantity exhaust whichever is earlier.

Erection of steel tubular 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 galvanised 'D iron clamps complete with shackle insulator (100 mm X 110 mm), GI bolts, nuts and washers, coach screws etc. as required.

Supplying and erection of 100 mm X 80 mm pin insulator complete with G. I. Spindle and nuts etc. as required .

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

Supplying and erection of bow 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/ 4.00 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 and also with 0.6 m long brace of size 50 mm X 50 mm X 6 mm angle iron with 50 mm dia pulley fixed at one end of the brace as required.

Supplying of channel iron 75 mm X 40 mm X 6 mm (7.14 kg per metre) cross arm for 2 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 reauired.

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.

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

Erection of ACSR conductor of 7/2.11 mm to 7/3.00 mm diameter including binding etc. as required.

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

Cradling: Supply & Erection of G.I. Wire No. 8 SWG including binding etc. as required.

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

Total impact of GST for the purpose of CTC

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