supply of under frame (vb sleeper ndtc) , under frame complete for vbs/ndtc/fac to drg no.a0811001, alt nil. firm sha ll fulfill the manufacturing facility as per icf/md/spec-147, issue status-01 rev.02 with amendment no.02. for painting note 1.2 of drg no (538)lwlrrm-1-1-116, alt e to be followe d special condition : under frame should be supplied as normal side up and side bearer sid e down. packing to be as per icf/j&t/misc-2487, alt b there will be minor modifications i n design. firm shall obtain the final drawings before manufacturing. details for stag e inspection. a raw material stage ensure the raw material used using portable spectrometer b jig st age assembly of front part with sole bar. assembly of modular frame arrangement. weld parameters t o be checked & recorded c trestle stage marking, drilling & tapping of holes wherever necessary. mar king & placing of detail items. complete welding wherever necessary. weld parameters to be checked & recorded assembly & welding of trough sheets. dimensional & visual checks. punching of serial no & ensuring proper traceability. d surface preparation and painting stage. short/sandblast to the requir ements. painting process as per the specification. visual inspection. final product inspection. note: ap plication of aluminium welding coat to rcf spec mdts 28272 latest revision on top surface of cross m embers shall be ensured before welding the trough floor with cross members to avoid bi-metallic corr osion.[safety item] [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]