tender for flap door arrangement for boxnhl wagon to rdso drg. no. wd-09034-s-07 alt-9. ( item no. 3, 4,5, 10, 11, 12, 13, 14, 16 & 17 ) matl.& spec. as per drg. or as per rdso drg. no. wd-88088-s-7 alt. 13 forboxnhl wagon ( item no. 3, 4, 5, 10, 11, 12, 13, 14, 16, & 17) .