supply of flap door arrangement complete for boxnhl wagon.flap door arrangement complete for boxnhl wagon., flap door arrangement complete for boxnhl wagon drawing no.: rdso drawing no. wd- 22006-s -01 item no 3, 4, 5a, 5b, 5c, 10, 11, 12, 13, 14, 16 and 17 in assembled condition.material and specification: as per drawing. remarks : item no 5a, 5b, & 5c of this drawing are crf section, for these 3 item of crf section, the suppliers have to produce purchase document from rdso approved vendors ( item id -3100318 ) and rdso inspection certificate during inspection and along with supply. [ warranty period: 30 months after the date of delivery ]