procurement of spares for electrical wire rope hoist installed at boiler of 1x500 mw unit sgtps mppgcl birsinghpur , spares for mill hoist assembly model-4e1506md ( hw10409 ) , wire rope 16mm dia . ( 81mtrs ) , brake coil for main hoist motor , friction disc , compression spring , ct motor alongwith gear box & break assembly , rectifier assembly for main hoist suitable for voltage-130 volt , gear ring , retaining ring assembly , driving pinion , coupling assembly , pendent push button- 06 nob with 10 mtr . cable , service hoist pendent push button- 04 nob with 10 mtr . cable , lt motor assembly alongwith gear box & brake assembly , control panel assembly ( mh & ct ) , coupling spider , control panel for lt , safe track dsl system alongwith bracket hanger , clamp and set of current collector consist of ( i ) dsl system with bracket & hanger clamp: 95 mtr . ( ii ) set of current collector consist of 04 nos . ( rybn ) , ct control panel , cable chain of lt motion , power cable for main hoist ( 6 sq . mm x4 core ) , power cable for lt ( 2 . 5 sq . mm x 4 core ) , spring for cable reeling drum assembly , shaft for cable reeling drum assembly , bearing for cable drum assembly , main hoist drive motor with gear box & break assembly , spares for bcw pump hoist assembly ( model-lr9e504fs+cpb ) , coupling spider , brake assembly , spares for secondary aph hoist assembly ( model-5e202md , iii ) , rope drum assembly , travelling assembly , coupling spider , rope clamp , spring for cable drum assembly , spares for primary aph hoist assembly model-4e202md , iii , brake coil , coupling spider , spring for cable drum assembly , spares for pa & fd fan rotor hoist assembly ( model-3h604md , type-iv ) , coupling spider , brake coil , friction disc , spares for pa & fd fan motor hoist assembly ( model- open winch hoist , lift 5 . 8 mtr . , capacity-17 . 5 t ) , limit switch up & down , limit switch ct , coupling spider , brake coil , friction disc , rope clamp , spares for esp hoists ( model- 6e302 mdn , lift-3tx55mtr . ) , guide ring , retaining ring , roller bearing , limit switch ( up &down ) , brake assembly ( main hoist ) , brake coil , friction disc , clutch assembly , steel bend , ct brake assembly , ct limit switch , output pinion , hollow pinion , coupling assembly , spur gear , ct motor alongwith gear box and brake , hoist motor , coupling collar , oil seal 1&2 , wire rope , control transformer , rectifier assembly , rope clamp , switch rod assembly , drum pinion , gt wheel assembly , pt wheel assembly , driving pinion , bearing plate , gear i , pinion ii , gear ring , drive unit , power cable 4cx6 sq mm , cable trolley chain , common spares for hoist assembly , brake spring ( feb ) , clutch unit ( feb ) , rectifier assembly , limit switch assembly main hoist , ct brake assembly , pendent push button ( 6 knob ) , pendent push button ( 4 knob ) , cable for pendent push button to hoist , feb top assembly , cable trolley chain , power cable for push button ( 2 . 5 sq . mm x 4 core )