Providing and fixing of 11 KV and 3.3KV Grade station type Surge Arrestor/Lighting Arrestor with maintenance free chemical earth pit on both 33KV and 11KV sub-station under Urimari OCP.

Providing & fixing of Lighting Arrestor Station Type 11KV/3.3KV

Providing & fixing of Support Insulator

Providing & fixing of Nut Bolt

Providing & fixing of Support Base Plate for lighting arrestor

Providing & fixing of Ped/Palm connector

Providing & fixing of T-Connector

Supplying of two lengths of channel iron 75mmX40mmX6mm(7.14 kg per metre) double pole cross arm for three wire 11KV overheadline conductors complete with through bolts and nuts for clamping to the poles,50mmX 6 mm M.S. flats welded on oneside to the channel iron and with bolts and nuts on the other side fortying the cross arms together, including drilling holes for insulator pins/ fittings, bolts, nuts and washers etc (as per drawing) and painting with primer and finish paint as required.

With 3 meter G.I. pipes having outer pipe dia of 50mm having 80-200 micron galvanizing, Inner pipe dia. of 25mm having 200-250 Micron galvanizing, connectionn 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.

Providing and fixing GI. Tape 20mmX3mm thick on parapet or surface of wall for lightning conductor complete as required.(For vertical run)

Excavation of the cable trenches in hard rock not exceeding 1.5 metres in width, and lift upto 1.5 metres,including getting out the excavated soil and disposal of excavated soil as directed within a lead of 50 metres.