Erection of 440V OHL, 3 Ph, 4 wire for feeding power supply of Rapid Wheel Wash Plant (RWWP) and Sewage Treatment Plant (STP) under Jarangdih Colliery.

Erection of metallic pole of following length in cement concrete 1;3;6 (1 cement ,3 coarse sand , 6 graded stone aggregate 40 mm normal size) foundation including excavation and refilling etc.8.0 meters and 10.00 meters

Erection of conductor of 7/3, 35 mm to 7/4 .00 diameter and above including binding etc , Rabbit conductor 05 span ( 50 m x 2 wire )= 100 mtrs x 01 span = 100 mtrs. and 4 span (50 m x 4 wire ) = 200 mtrs X4 wire= 800 m Total 0.9.00 km X 2 % binding & Jumphering = x 0.918 x 218 = 200.12 kgs.

Supply and erection of 100mm*80mm pin insulator complete with G.I spindle and nuts etc as require

Supply and erection of 100mm* 110 mm shackle insulator with G. I bolts, nuts, and strips etc. as required.

Supplying of channel iron 75mm *40mm x 6 mm ( 7.14kg per meter) cross arm for two overhead line conductors complete with50mm*50mm *6mm angle iron bracket welded to the channel iron and complete with 50mm*6mm M.S. flat iron clamps, bolts and nuts including drilling holes for insulator pins, bolts and nuts etc and painting with primer and finish

Erection of pole top/straight two wire/V shape two wire, angle iron/ channel iron, cross arm on steel tubular/rail / pole

Supplying and erection of stay set complete (galvanized ) with 19/20 mm dia. x 1.8meters long stay rod, anchor plate of size 45 cm x 45cm x 7.5 mm thimble, stay clamps, turn bow lightener 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

Supplying of channel iron 75 mm x 40mm x 6 mm ( 7.14kg per meter)d/ cross arm for three wire overhead line conductors complete with through bolts and nuts for clamping to the pole 50mm*6mm MS flats welded on one side to the channel iron with bolts and nuts on other side for tying the cross arms together , including drilling holes for insulator pin/ fittings, bolts, nuts and washer etc. (as per drawing) and painting with primer and finish paint

Erection of double pole 3 wire cross arm for O/H line

Erection of cradle guard with materials (Analysis of One span)

Maintain less earth resistance of chemical earthig (A)Latest technology for sandy region 1) Safe earthing electrode having two custom made G. I tube (galvanized 80 microns , minimum ) one side other of lenth 2 mtrs (Outer dia 80 mm) field the conductor rich crystalline mixture (CCM)= 01 no x 11932/- = 11932.00 2) Back fill compound bag of 25 kg. each = 2bag x 1708/- = 3416.00 3) Installation charges 01 no. x 700.00 = 700.00 4) Brick work with common burnt clay R.P S(none plinth in cement motor (1.6) = 01 no = 0.4 cum x4505.11 = 1802.00 Total Rs 11932.00 + 3416.00 + 700.00 + 1802.00=Rs. 17850/-

Providing and fixing 25 mm x 5 mm G I strip on earthing to switch & transformer

Providing G I bolts & nuts & washers

Welding for straps of earthing

Total impact of GST for the purpose of CTC

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