supply of helical spring for high power dmu / dpc coaches .as per icf drg.no.dmu / dpc.5-0-1-501, item n o.1, alt-%u2018k%u2019 or latest specification rdso spec.no.wd-01-hls-1994, rev.03 of jan 2009. amend ment no.01 of sept.2016 ( material :is3195 ) or latest ( supply condition1. inspection to be sone by rdso.2. sprin gs with only green group as per icf drg.no. icf / std-9-0, alt-b or latest will be accepted.3. material to be supplie d along with material test certificate for each spring. 4. this item is safety item and to be supplied by icf approve d vendors only. [ warranty period: 30 months after the date of delivery ]