supply of one coach set of air spring assembly for train-18 bogies , ne coach set of air spring assembly for train-18 bogies to drg.no.32905031, alt b--- in compliance to rdso spec. rdso/cg/s/23002- latest revision---- each coach set will co nsists of four air spring assembly. 1. firm has to submit oem drawings with detailed dimension s and characteristics to rdso. 2. prototype inspection, type test and inspection shall be confirming t o rdso spec rdso/cg/s/23002-latest revision for rdso approval. 3. service or field trial shall be as p er rdso spec rdso/cg/s/23002-latest revision. special condition : suitable packing to be done t o avoind damage during transit, unloading and storage. 1. proto type sample including typ e test to be got approved by rdso before manufacturing for bulk supply. 2. the firms who have alrea dy supplied the same item need not get fresh prototype approval. [ warranty period: 72 months aft er the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]