supply of yaw d er for train-18, , yaw damper for train-18, emu us & memu us coaches to drg. no. train18/mc/ac-0-5 -012, item-1, alt-c compliance to rdso specification rdso/cg-18005 rev-02 (or latest) or en-1380 2(latest revision). 1. firm has to submit oem drawings with detailed dimensions & characteri stics. 2. type test shall be conforming to rdso cg-18005 (latest revision) or en-13802. 3. ser vice trials shall be as per rdso cg-18005 (latest revision). special condition: 1. proto type sam ple (including type test) to be got approved from icf before manufacturing for bulk supply. 2. the firms who have already supplied the same item need not get fresh prototype approval. [ warranty period: 36 months after the date of delivery ] ]