bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - 220kv substation moradabad and 132kv substation gulabbari; repairing and overhauling of 145kv sf6 circuit breaker of 220kv 160mva transformer 2 at 220kv substation morad.. repairing & overhauling of 145 kv sf-6 circuit breaker installed at 220 kv s/s moradabad, 132 kv s/s gulabbari & spray painting of 63 mva t/f at 132 kv s/s gulabbari under etd-ii, moradabad opening/dismantling of control valve assembly, cleaning of cap seal cylinder, removal of defective roller, re-fixing of new roller, reassembly of control valve assembly in mechanism, replacement of control valve seal & bent o-ring, opening of anti-pumping pin assembly cleaning, de-rusting & lubrication of anti-pumping pin assembly. replacement of spring in anti pumping. opening and cleaning of closing spring, shock absorber, pneumatic cylinder, cleaning of piston & cylinder including their assembly, replacing of oil & o-ring, opening and reassembling of trip coil assembly after cleaning of its various parts including measurement of resistance, adjustment of trip coil gap. checking of nrv & drain valve for air leakage with help of soap seeds. replacement of nrv and drain valve. checking of air switch i.ergovernor switches, low air pressure alarm switch including adjustment. checking of gas density switch including all adjustment. de-rusting lubrication of horizontal rod assembly & its various linkages, cleaning of bar pins, replacement of circlip. show operation of circuit breaker with help of manual jack for checking over stroke, wipe, poles traveling etc for satisfactory operation. at 220 kv s/s moradabad (160 mva t/fs-ii, l.v. side breaker cb no.-788 1-01 no. at 132 kv s/s gulabbari (40 mva t/fs-i, h.v. side breaker cb no.-781) 01 no. spray painting of 132/33 kv 63mva t/fs with one coat of red oxide primer and two coat of synthetic enamel light gray/bus green paint of ist class quality i.e. asian/berger/nerolac make after proper rubbing cleaning of oily surfaces with sand paper, scrapper, cloth and thinner etc. it also includes cost of all t&p, man & material i.e. paint/primer and other equipments at 132 kv s/s gulabbari. note-spray painting will be done after 24 hrs. of one coat of red oxide primer paint. 132/33 kv, 63 mva t/f (tal make total quantity :