procurement of spare parts for wagon tipplers of chp-iv, stps, sarni. , drive rack segment (300 mm wide) as per attached tentative drawings. , one set of special fastener for drive rack segment (42 nos. fitted bolt & 84 nos. hss bolt with nut & washer) as per attached tentative drawings. , latching arrangement with frame for drive gear assembly as per attached tentative drawings. , pivot roller for platform assembly as per attached tentative drawings. , pivot roller pin for platform assembly as per attached tentative drawings. , pivot roller bush for platform assembly as per attached tentative drawings. , support roller for platform assembly as per attached tentative drawings. , support roller pin for platform assembly as per attached tentative drawings. , support roller bush for platform assembly as per attached tentative drawings. , set of cup & cone for platform seating beam assembly as per attached tentative drawings. , cylinder rod end pin with bush and end caps as per attached tentative drawings. , clamp beam pivot pin with bush and end caps as per attached tentative drawings. , clamp arm pivot pin (on clamp bracket) with bush and end caps as per attached tentative drawings. , main pivot bearing , ring feeder for main pivot as per attached tentative drawings. , sprockets for rotary gear cam switch as per attached tentative drawings. , chain for rotary gear cam switch as per attached tentative drawings.