supply of under frame (emu b bt) , underframe 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 asper icf/md/specn.147, iss ue status-01, rev-02 with amendment-02. special condition : 1) the underframe should be s upplied as normal side up and side bearer side down. packing drawing icfj&t/misc-2487, alt b. stage inspection detail added. (a) raw material stage # ensure the raw material used usin g portable spectrometer (b) jig stage # assembly of front part with sole bar. # assembly of modular fr ame arrangement. # weld parameters to be checked & recorded (c) trestle stage # marking, drilling & tapping of holes wherever necessary. # marking & placing of detail items. # complete welding whe rever necessary. # weld parameters to be checked & recorded # assembly & welding of trough sheet s. # dimensional & visual checks. # punching of serial no & ensuring proper traceability. (d) surface p reparation and painting stage. # short/sand blast to the requirements. # painting process as per the s pecification. # visual inspection. # final product inspection. note: application of aluminium welding co at to rcf spec mdts-28272 latest revision on top surface of cross members shall be ensured before w elding the 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 ] ]