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.

Welding of rail joint with 52 kg & 60 kg section with contractor s material and equipments and supply of skv welding kit in sr. den/ne/csmt section

Steel charpy v notch certified reference material test piece

Duplex check valve with 1.5 kg/cm2 pressure setting.

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.

Packing piece for check rail block to rdso drg. no. t-026(m)