SPECIAL REPAIRS FOR RATIONALIZATION OF BER DISTRIBUTION TRNASFORMERS AT ANARWALA AND GARHI CANTT UNDER AGE E/M- II OF GE DEHRADUN

All as per item No. 01 above but capacity 100 KVA or next higher capacity as per manufacturer standard ratings.

M&L for earthing complete with galvanised steel earth plate electrode 600×600x6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to galvanised iron earth stip 32x6 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate of SSR 2009 (Pt-I) connected to earthing test point / transformer / panel and testing on completion including necessary exacavation and earth work in any type of soil, funnel, PCC chamber in 1:3:6 type C-1, RCC pit cover, charcoal, salt including provision of earth lead protected by 50mm dia light grade Gi pipe 20mm dia medium grade for watering complete all as specified and directed. Note:- (i) If the desired earth resistance is not found within permissible limit of less than 5 Ohm , earthing shall be redone by contractor without any extra cost . (ii) Cost of galvanised earth lead upto 7.5 mtr, 50 mm dia light grade GI pipe and 20 mm Dia medium grade Gi pipe for watering is included in the rate quoted for this item.

Supply, installing and testing gang operated air break swich 12 insulator type, HT 11KV, Ac 50 C/S , Triple pole, vertical mounting type, Mechanically operated form ground, mounted on 12 silicon rubber Insulator 11 KV grade and steel frame, current Rating upto 200 Amps complete with fuse mounting , fuse carriers and fuse elements of required capacity fixed on the pole structure on channel / Angle Iron /Cross arm with suitable GI nuts , bolts and washers etc. complete all as specified and directed.

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