Repairing/ replacement of earthpits of laiyo filter plant and laiyo substation with installation of lightning conductor at these locations of JOCP, Hzb Area.

Amount

Supply and erection of approved make safe earthing electrode consisting pipe-inpipe technology as per IS 3043-1987 made of corrosion free G.I. pipes with constant ohmic value surrounded by highly conductive compound with high charge dissipation suitable for effective and maintenance free earthing in earth pit of minimum bore dia. 150mm size, as mentioned below : With 3 metre G.I. pipes having outer pipe dia of 50mm having 80-200 micron galvanizing, Inner pipe dia. of 25mm having 200-250 Micron galvanizing, connection terminal dia. of 12mm in nominal soil with 50 kg (two bag) back filling bentonite compound UL listed and confirm to relevant International/Indian standards around electrode upto ground level

Supply and fixing of lightning conductor(having 5 spikes at top with base metal plate including complete set)

Supply & fixing of support insulator

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm)(8 EPs-2EPs)*10+2 EPs*13

Providing and fixing of rectangular 11 KV grade PVC sleeves

Total impact of GST for the purpose of CTC

M S VIJAY CONTRACTOR SUPPLIER

M/S SANYUKTA ENTERPRISES