Installation and connection of chemical earth pits and lighting arrester for safety of different transformer installed at jhirkey Basti under Kathara Colliery.

Amount

Maintenance less earth resister of chemical ratty pit (a) latest techonology for sandy region) i) Safe Earthing clectrode having two custom made |G.I tubes (galvanized 80 Micrones, minimum ) one side the condutor rich crystalline mixture (CCM)=01 No x 11932.00=11932.00 ii) Back fill Compound bag of 25kg each =2bagx 1708=3416.00 iii) installation charges 01 nox700=700.00 iv) Brick work with common burnt clay R.P.S (none modular)(bricks of class designation 7.5 in foundation and plinth in cement mortar (1:6) 1 Cement:6 Coarse sand=01 No-0.4 cumx4505.11= 1802.00 total (11932.00+3416.00+700.00+1802.00) Total =17850.00 (01 No)

Providing and fixing 25mmx5mm G.I Strip on surface or in recess for connections etc as required.

Supplying and erection of three piece nonlinear resistor type lighting arrester suitable for 3 wire, 11KV overhead lines with rated voltage 9KV (rms) with a nominal discharges current rating of 5KA and complete with galvanised clamping arrangement, G.I Bolts, nuts, washer etc, as required.

Providing of head shrink HT PVC Sleeve for 25mmx5mm G.I Strip

Total impact of GST for the purpose of CTC

M S ENTERPRISES (BID ID -1128112)

M/S P. L. CONSTRUCTION (BID ID -1128120)