REPAIR AND MAINT OF 33 KVA LINE AT MENDHAR IN AOR OF STN HQ BG UNDER GE 881 EWS

Earthing complete with using GI strip 32 mm x 6 mm as a earth lead and galvanized steel earth plate electrode 60cm x60cm x6.00 mm thick buried directly in ground vertically to a depth not less than 2.25 mtr deep below ground level with top edge of the earth plate not less 1.5 mtr below normal ground level , filled around with alternate layers of charcoal dust and salt and connected to earth lead strip by means of bolts, nuts, check nuts and washers of galvanized iron or steel and thimble and other ends of the earth strip connected to main switch board/panel and protected by galvanized iron pipe light grade 40 mm bore and watering pipe 20mm dia medium grade with funnel and wire mesh, PCC 1:3:6 type C-2 in chambers, RCC 1:2:4 type B-1 in pit cover reinforced with 8mm dia deformed bars @ 15cm centre to centre both ways including necessary excavation & earth work as directed by engineer –in-charge, complete all as shown in electric plate No-3 of MES Sch part 1 of 1991 PCC chamber shall be constructed at least 0.7 mtr away form the earth electrode and pipe for watering including taking out old earthing complete all as specified and directed by Engineer-in-Charge. Note : The Earth result should be less than 3 ohm and the result will be checked in presence of MES Rep.

S&F in replacement of lightening arrestor expulsion type set of three 11000 volts, 65 KA discharge capacity, necessary connections & testing complete (set of three) incl taking down of old one complete all as specified and directed.

Lightening arrestors expulsion type for 33 KV complete with all fittings, transmission class, discharge capacity 65 KA complete all as specified and directed.

Painting of steel tubular swaged LT/HT poles any size including fittings (channels,angles,junction box etc complete) by removing existing paint, preparing the surfaces, applying one coat of primer followed by two coat of aluminium paint and making of Black & white strip of 30 cms width up to 1.5 mtr height, writing pole No. complete as specified and directed

S&F in replacement TNC switch as per existing make & specifications suitable for VCB 400/630/800 Amps. ,11 KV including neccesarry connection & testing complete all as specified and directed.

S&F in replacement closing coil assembly as per existing make & specifications suitable for VCB 400/630/800 Amps. ,11 KV including neccesarry connection & testing complete all as specified and directed.

S&F in replacement Triping coil assembly as per existing make & specifications suitable for VCB 400/630/800 Amps. ,11 KV including neccesarry connection & testing complete all as specified and directed.

S&F in replacement indicator bulb as per existing make & specification suitable for VCB 400/630/800 Amps. 11 KV including necessary connection & testing complete all as specified and directed.

S&F Ameter selector switch four step one off position as per existing make & specification suitable for VCB 400/630/800 Amps. 11 KV includiong necessary connection & testing complete all as specified and directed.

S&F Voltmeter selector switch four step one off position as per existing make & specification suitable for VCB 400/630/800 Amps. 11 KV including necessary connection & testing complete all as specified and directed.