supply of under frame (lslrd) , underframe complete for lslrd coaches to drg no 74111001 col 1, alt-g. t he schedule of tehnical requirement as per icf/md/specn.147, issue status-01, rev-02 wit h amendment no-02. special condition : packing condition as per drg no icf/j&t/misc/2487, a lt-b. the underframe should be supplied as normal side up and side bearer side down. details for satge inspection. (a) raw material stage # ensure the raw material used using portab le spectrometer (b) jig stage # assembly of front part with sole bar. # assembly of modular frame arra ngement. # weld parameters to be checked & recorded (c) trestle stage # marking, drilling & tappin g of holes wherever necessary. # marking & placing of detail items. # complete welding wherever nec essary. # weld parameters to be checked & recorded # assembly & welding of trough sheets. # dime nsional & visual checks. # punching of serial no & ensuring proper traceability. (d) surface preparatio n and painting stage. # short/sand blast to the requirements. # painting process as per the specificati on. # visual inspection. # final product inspection. note: application of aluminium welding coat to rc f spec mdts-28272 latest revision on top surface of cross members shall be ensured before welding t he trough floor with cross members to avoid bi-metallic corrossion. [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 ] ]