supply of primary vertical damper for train-18 coaches to drg.no. train18 / mc / ac-0-1-009, item-1, alt b--- and in compliance to rdso specification rdso / cg-18005---- or en-13802 ( latest revision ) . 1. firm has to submit oem drawings with detailed dimensions & characteristics. 2. type test shall be conforming to rdso cg-18005 ( latest revision ) or en13802. 3. service trials shall be as per rdso cg-18005 ( latest revision ) primary vertical damper for train-18 coaches to drg.no. train18 / mc / ac-0-1-009, item-1, alt b--- and in compliance to rdso specification rdso / cg-18005---- or en-13802 ( latest revision ) . 1. firm has to submit oem drawings with detailed dimensions & characteristics. 2. type test shall be conforming to rdso cg-18005 ( latest revision ) or en13802. 3. service trials shall be as per rdso cg-18005 ( latest revision ) , primary vertical damper for train-18 coaches to drg.no. train18 / mc / ac-0-1- 009, item-1, alt b--- and in compliance to rdso specification rdso / cg-18005---- or en-13802 ( la test revision ) . 1. firm has to submit oem drawings with detailed dimensions & charac teristics. 2. type test shall be conforming to rdso cg-18005 ( latest revision ) or en13 802. 3. service trials shall be as per rdso cg-18005 ( latest revision ) [ warranty period: 72 months after the date of delivery ]