supply of cast steel side frame along with liners (duly welded).cast steel side frame along with liners (duly welded).,cast steel side frame along with liners (duly welded). drawing no :- (1) wd - 89067 / s - 3, alt. 19. (2) sk - 69594, alt. 37, item no. 7( for liners ). spec. no:- 1) wd-17 casnub-22hs-bogie- 92 (rev.3, amnd. 6) 2) wd-21 -casnub-22nlb-bogie-93 (rev. 2, amnd. 6). warranty :- the firm shall stand warrantee for a period of 30 months from the date of manufacture or 24 months from the date of fitment/commissioning,whichever is earlier. [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]