procurements of spares of main steam , cold rh , hot rh, water separator safety valves and ms/hrh ervs (make fukui , japan) installed at 2x660 mw units, sstpp, mppgcl, dongalia khandwa , main steamoutlet emergency relief valve (ms-erv) type/model: pcv1073-ca-(ar) tag no. 03lba99aa400 & 401 of unit 3 (02 nos) and 04lba99aa400 & 401 of unit 4 (02 nos) size: 3*60*6 total qty=04 nos make: fukui, japan , main nozle , main gasket set , pilot spindle , pilot o ring set , hot re-heatsteam outlet emergency relief valve (hrh erv) type/model: pcv673-ca-(ar) tag no. 03lbb99aa402 & 403 of unit 3 (02 nos) and 04lbb99aa402 &403 of unit 4 (02 nos) size: 6*112.5*8 total qty=04 nos make: fukui, japan , main nozle , main gasket set , pilot seat (nozzle) , pilot spindle , pilot o ring set , spares of water seperator outlet safety valve type/model: sl1053-c2-h1(t) tag no. 03hag01aa400 03hag01aa401 03hag01aa402 03hag01aa403 of unit 3 (04 nos) and 04hag01aa400 04hag01aa401 04hag01aa402 04hag01aa403 of unit 4 (04 nos) size: 3*m2*8 total qty=08 nos make: fukui, japan , disc holder , uper and lower ring lock bolt , spares of super-heater outlet line safety valve type/model: sl1073-c2-h1(t) tag no. 03lba99aa403 03lba99aa404 of unit 3 (02 nos) and 04lba99aa403 04lba99aa404of unit 4 (02 nos) size: 3*m2*8 total qty=04 nos make: fukui, japan , disc , disc holder , spindle , uper and lower ring , uper and lower ring lock bolt , spares of re-heater inlet line (crh) safety valve type/model: sl663-m2-(t) tag no. 03lbc99-aa400 03lbc99-aa401 03lbc99-aa402 03lbc99-aa403 of unit 3 (04 nos) and 04lbc99-aa400 04lbc99-aa401 04lbc99-aa402 04lbc99-aa403 of unit 4 (04 nos) size: 6*r*10 total qty=08 nos make: fukui, japan , disc holder , uper and lower ring lock bolt , spares of re-heater outlet line safety valve type/model: sl673-ca-m2(t) tag no. 03lbb99aa400 03lbb99aa401 of unit 3 (02 nos) and 04lbb99aa400 04lbb99aa401of unit 4 (02 nos) size: 6*r*10 total qty=04 nos make: fukui, japan , disc holder , uper and lower ring lock bolt