tender for set of lavatory door arrangement for non-ac coaches to drg.no icf/std-5-6-011, alt.x col-iii &iv, one set consists co-iii qty.-01 no. & col-iv qty.-01 no. door frame shall be galvanized according to is:1573-86 to service grade no. 4 instead of red oxide zinc chromate primer. note:- (a) the color shade and pattern ofpanels shall be as per lp sheet sample code no. nac-sp05 or as agreed to between the purchaser and supplier.(b) alternative superior grade aisi-304 may be accepted instead of aisi-202.(c) supplying the door inunassembled condition is not acceptable.