supply of one year rate contract for manufacture and supply of elastic rail clip (erc j) with higher flat toe for fish plated joint/insulated glued joint on psc sleeper conforming to rdso drg. no. t-8258 alt.1. specification: irs specification for elastic rail clips (5th revision) irs: t-31-2021 with corrigendum no. 2. this is a safety item.one year rate contract for manufacture and supply of elastic rail clip (erc j) with higher flat toe for fish plated joint/insulated glued joint on psc sleeper conforming to rdso drg. no. t-8258 alt.1. specification: irs specification for elastic rail clips (5th revision) irs: t-31-2021 with corrigendum no. 2. this is a safety item.,one year rate contract for manufacture and supply of elastic rail clip (erc j) with high er flat toe for fish plated joint/insulated glued joint on psc sleeper conforming to rdso drg. no. t-82 58 alt.1. specification: irs specification for elastic rail clips (5th revision) irs: t-31-2021 with corrige ndum no. 2. this is a safety item [ warranty period: 30 months after the date of delivery ] ]