procurement of different types of spares for bottom ash handling system of stage ii and iii at ggsstp ropar procurement of different types of spares for bottom ash handling system of stage ii and iii at ggsstp ropar , clinker grinder sprocket ( non drive end ) 42 no. teeth for stage ii & iii and as per sketch “a” , clinker grinder sprocket ( drive end ) 12 no. teeth as per sketch “b” , alloy steel 1½” x1” roller type simplex chain of pitch 1½”, width 1” ( min ) between inner plate, roller dia. =25.4 mm, no. of rollers = 98 no. length= 12’ 3” for clinker grinder of stage-ii & iii. , inside chrome plated cylinder of mild steel as per is 226 and as per sketch “c , bearing housing expansion type for clinker grinder of ci grade 220 is-210 as per sketch ‘d’ , power cylinder assembly 305 mm x 737 cylinder steel with chrome plate shaft ss-316 for feed gate housing as per sketch “c” , intermediate wear piece for stage-iii hydro ejector material alloy c.i nickle min 4.5% as per is 4771 type1 ( a ) hardness min 500 bhn as per sketch ‘e’ , throat for stage-iii hydro ejector material alloy c.i with nickle min 4.5% as per is 4771 type1 ( a ) hardness min 500 bhn as per sketch ‘f’.