supply of under frame complete for lwsczunder frame complete for lwscz, under frame complete for lscn shells to drg. no. 73911001, alt f, col.i-1 no. schedule of technical requirement to icf / md / spec-147, issue status 01, rev-02 with am endment.01 special condition : necessary care is to be taken that the twist on the under frame and variation on diagonals are to be within 2mm. packing condition as per dr g.no. icf / j&t / misc-2487, alt b. the underframe should be supplied as normal side up a nd side bearer side down. [ safety item ] [ warranty period: 30 months after the date of delivery ] => limited