Strengthening of Earthing system and procurement of dewatering pump at C. A. Keshod.

Amount

Providing and fixing of advance technology earth electrode earthing system fabricated from hot deep galvanized pipes ( pipe in pipe technology) & cavity between pipes pressure filled with highly conductive non-corrosive crystalline material complete with chemically modified homogeneous earth enhancing compound (back fill compound 25 Kg) to treat the soil for lowering the effective ground impedance for each earth pit to make it maintenance free and to minimize the ground voltage potential rise i/c excavation of earth pit suitable to accommodate earth electrode, prefabricated CC enclose with MS cover plate having locking arrangement all as reqd. & conforming to (IS:3043 : 1987) duly CPRI/ERDA approved all as required & as specified for Size

Outer dia = 80 mm, Inner dia= 50 mm, of 2 mtr length

Outer dia = 80 mm, Inner dia= 50 mm, of 3 mtr length

SITC of advanced lightning arrester system complete with ESE (Early Streamer Emission) type Lightning Air Terminal, Mounting support and mounting accessories,Down conductor, Lightning Event Counter, dedicated earthing system i/c civil foundation work etc all as required and as specified.

Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode i/c connection with G.I. nut, bolt, spring, washer escavation and refilling etc. as required.

Providing and fixing 25mmx 5mm G.I. Strip on surface or in recess for conections etc. as required.

Providing, laying and fixing of 50 mm dia G.I. pipe (medium class) in ground complete with G.I. fittings including trenching (75 cm deep) and re-filling etc. as required.

Supply of trolley mounted dewatering diesel pump set of capacity 10 HP with 1500 RPM at 424 mtr head with suction & delivery size 100 mm x 100 mm. Pump shall have Cast iron casing, Carbon steel /stainless steel shaft with CI / bronze/SS impeller complete coupled with totally enclosed fan cooled(TEFC) squirrel cage motors with class F insulation etc. to complete the job. Kirloskar make self priming pump model SP4LA or equivalent

Awasthi Electric Works

DOSHI ELECTRIC ENGG. CO.