ct-1424 ( mmc-ii ) /cpd-i/btps/19 tarpaulin sheet and mechanical spares items , isi mark water proof pvc plastic sheet/ tarpaulin sheet , gsm: 100 , is:14611:1998 in multi layer of uniform thickness with border & eyelets ( eyelets inner space not more than 5 fir ) size- 20 mx15 m , felt packing of size 20x70x400 mm , drive stud with nut & washer ( for conveyer material ss-304 ( as per drawing ) , head pulley bushing ( for conveyer ) material neoprene bush and gun metal sleeve ( as per drawing ) , drive stud with nut & washer ( for feeder ) material ss-304 ( as per drawing ) , head pulley bushing ( for feeder ) material neoprene bush and gun metal sleeve ( as per drawing ) , clean out shear pin material- m . s . ( as per drawing )