supply of under frame emu b , under frame arrgt for motor coach with bt elec to drg no (574)icf/mrvc/m /bt-1-1-001, col.i, alt m the schedule of technical requirement as per icf/md/specn.147, i ssue status-01, rev-02 with amendment-02----. special condition : 1) the under frame should be supplied as normal side up and side bearer side down. packing drawing icf/j&t/misc-2 487, alt b. stage inspection detail added. (a) raw material stage # ensure the raw material use d using portable spectrometer (b) jig stage # assembly of front part with sole bar. # assembly of mod ular frame arrangement. # weld parameters to be checked & recorded (c) trestle stage # marking, dr illing & tapping of holes wherever necessary. # marking & placing of detail items. # complete welding wherever necessary. # weld parameters to be checked & recorded # assembly & welding of trough s heets. # dimensional & visual checks. # punching of serial no & ensuring proper traceability. (d) surf ace preparation and painting stage. # short/sand blast to the requirements. # painting process as per the specification. # visual inspection. # final product inspection. note: application of aluminium weldi ng coat to rcf spec mdts-28272 latest revision on top surface of cross members shall be ensured bef ore welding the trough floor with cross members to avoid bi-metallic corrossion. [safety item] [ warr anty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]