Details: creation of 25 kva sub-station for providing of power supply to bsnl tower at balwat in ramban 11/0.433 kv, 25 kva 3 phase distribution transformer wi bi-mettalic terminal connectors energy level-2 (alumminium wound) gapless surge arrestor, 9 kv , 10 ka, la with (polymer/procelaen) housing 11 kv go, ab switch 3-phase, 3 pole, 200 amp, vertical type 11 kv horn gap fuse set 3 phase 200 a 25 mm sq single core cable, 1.1 kv grade, pvc insulated stranded conductor frls type. 9 mtr long pole ( st-410 sp33) 11 kv polymeric composite disc insulator 12 kv, min failing load 45 kn, lighting impulse 75 kv positive and 80 kv negative, creepage distance 320 mm. gi channel/angle/flat of sizes including clamps galvanized nuts and bolts 32/63 amps tpn switch disconnectotr fuse set earthing of sub-station- excavation of earth pit of dia 60 mm & depth 3000 mm, installation of earthing pipe of 40 mm normal bore & 4 mm wall thickness & length 2.5 mtr long as per is 1239, gi for neutral earthing of si
Sector: Power Sector