corrigendum : supply of under frame (memu dmc) , under frame arrgt for memu/dmc/3ph to drg no. 74511059, alt c col 1. firm shall fulfill the manufacturing facility as per icf/md/spec-147, issue status-01 rev.02 wi th amendment no.02. special condition : packing condition as per drg no icf/j&t/misc-2487 a lt b. the under frame 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 ] ]