100280579 procurement of curve switch 52 kg rail at ntpc unchahar.

Procurement of skv welding portion for 52 kg 90 uts rail & prefabricated 3 pieces mould.

Rate contract for manufacture and supply of wider prestressed concrete sleeper on bridge approaches for 25t axle load for b.g. 60kg (uic) / 60e1 / 52 kg running rail with 60kg (uic) / 60e1 / 52 kg guard rail.

Flash butt welding of 60 kg/52 kg/90r rails at site using road cum rail mobile flash butt welding plant at different locations under section of sr.den/2/dnr.

Machine crushed stone ballast of size: 65-60 mm for 52 kg rail track system as per latest rdso stand,machine crushed stone ballast of size: 65-60 mm for 60 kg rail track system as per latest rdso stand

100280553 procurement of curve switch 60 kg rail at ntpc unchahar,100280553 procurement of curve switch 60 kg rail at ntpc unchahar.

Den/south jurisdiction :-supply of welding portion 52 kg and 60 kg and supervision of welding.

Fishplates combination (joggled fish plates) for 60 kg. (uic)/52 kg rails with c.i. block for b.g.

Manufacture & supply of 60 kg special fish plate for glued insulated rail joint

Psc sleeper for 60 kg rail, as per rdso drawing t-8746 with latest amendment, if any,psc curve sleeper for 60 kg rail, as per rdso drawing t-8982 with latest amendment, if any