Details: augmentation of 25kva to 63 kva sub station. 63 kva 11/0.433 kv, 3 phase distribution transformer with bi-mettalic terminal connectors energy level-2 aluminium wound with lv cable box having detachable aluminium gland plate. 95 mm sq single phase cable 1.1kv grade pvc insulated stranded conductor frls type lt distribution box for 63 kva dtr with mccb for incomer & switch fuse units for outgoing circuits. 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 size 75 mm x 100mm & 50 mm x 6 mm for connection of transformer body, go set & lightening arrestor as per is 2629/85, gi nuts & chamber made of bricks masonary with rcc slab cover. 11 kv go ab switch, 3- phase, 3 pole 200 amp. vertical type 11 kv do fuse 3 set phase 200 a gapless surge arrestor, 9 kv , 10 ka, la with (polymer/procelaen) housing stn. type dismantlin
Sector: Power Sector