Making of Earth pit and lighting arrestors No-01,02,03 and other places near mines area under Kathara colliery when and ever required for the period of 01 Year.

Amount

Maintain less earth resistance of chemical ratty pit (latest techonology for sandy region) 1.Safe earthing electrode having two custom made G. Tubes (galavanized 80 microns, minimum) one side the other oflength 02 mtrs (outer dia 8mm), field the conductor rich crystalline mixture (CCM)= 01 Nos11932.00 made G.I Tubes (galvanized 80 microns. ii) Back fill compount bag of 25kg.each=02 bagx1708=3416 iii) installation charges 01 nox700=700 iv) Brick work with common burnt clay R.P.S (non modular)(brick ofclass designation 7.5 in foundation and plinth in cement mortar (1:6) 1 Cement :6Coarse sand=01=0.34 cumx5596.00=1902.64 Total:- 11932.00+3416.00+700+2238.40=17950.64

Providing and fixing 25 mm X 5 mm GI. strip on surface or in recess for connections 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.

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

Supplying and erection of three piece nonlinear resistor type lightning arrestor suitable for 3 wire, 11 KV 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.

Supplying of channel iron75 mm X 40 mm X 6 mm (7.14 kg per metre) V shape cross arm for two 11 KV over head line conductors complete with 50 mm X 6mm M.S. flat iron clamps, bolts and nuts including drilling holes for insulator pins, bolts, nuts, washers etc and painting with primer and finish paint as required .

Supplying and erection of 11 KV pin insulator complete with large steel head G.I. pin, nuts, washers etc. as required.

Erection of pole top/ straight two wire/ V shape two wire, angle iron/ channel iron, cross arm on steel tubular/ rail/ PCC pole for 11/22/33 KV as required.

Total impact of GST for the purpose of CTC