Details: gapless surge arrestor,9 kv ,10 ka ,la with polymer housing, stn. type 11kv go, ab switch 3-phase, 3-pole, 200 amp,vertical type 11 kv horn gap fuse set 3 phase 200a 95 sqmm (or 700 sqmm (2ckt)/150 sqmm (or 95sqmm (2ckt)/300 sqmm (or 185 sqmm(2ckt) cable,1.1kv grade, xlpe insulated stranded conductor frls type 9 mtr. long pole,st-410 sp33) 33kv polymeric composite disc insulator 36kv,min failing load 70kn, lighting impulse 170kv positive and 180kv negative,creepage distance 900mm gi channel/angle/flat of sizes including clamps galvinized nuts and bolts. earthing of substation --excavation of earth pit of dia 650 mm & depth 3000 mm, installation of earthing pipe of 40 mm nominal bore & 4mm wall thickness & length 2.5 mtr long as per is 1239.gi for neutral earthing of size 25 mm x 3 mm for coinnection of transformer body, go set & lightining arrestors as per is 2629/85, gi nuts & bolts,refilled with earth enhancement materials and earth chamber made of bricks masonary with rcc sla
Sector: Power Sector