supply of modified floor stiffener for head stock , modified floor stiffener for head stock beam to sk. no.llh -06/10, alt no. 2, mat erial & specfication : irsm 41-97 [ warranty period: 30 months after the date of delivery ] ] , web (part -25 of lhb headstock) welded with top plate as per drawing no. le113 14 alt a & le11318 alt a with welding as per rdso guide lines for irsm-41 [ warranty period: 3 0 months after the date of delivery ] ] , web (part -24 of lhb headstock) welded with top plate as per drawing no. le113 13 alt a & le11318 alt a with welding as per rdso guide lines for irsm-41 [ warranty period: 30 months after the date of delivery ] ] , top plate (part - 36 of lhb headstock) as per rcf drg. no. le11320, alt a, material & specification- irsm:41-97 [ warranty period: 30 months after the date of delivery ] ]