tender for lav door for icf coaches for icf coaches (nb-the firm to submit documentary evidence thatrdso controlled items required for assy. of the lavatory door are procured from rdso approved sources only)to icf drawing no. icf/std-5-6-011, alt-c, col-iii-50 and col-iv-50 as per drg.no. icf drg. no.icf/sk3-5-6-007, alt-b , col-ii - 50 p specn: mat. spec.- as per drg.