supply of manufacture and supply of fittings for wider pre-stressed concrete sleeper for 25t axle load for 60kg(uic)/52kg running rails with 60kg(uic)/52kg guard rail on bridge approaches as per rdso drg.no. t-8971 to t-8978.manufacture and supply of fittings for wider pre-stressed concrete sleeper for 25t axle load for 60kg(uic)/52kg running rails with 60kg(uic)/52kg guard rail on bridge approaches as per rdso drg.no. t-8971 to t-8978.,manufacture and supply of fittings for wider pre-stressed concrete sleeper for 25t axle load for 60kg(uic)/52kg running rails with 60kg(uic)/52kg guard rail on bridge approaches as per rd so drg.no. t-8971 to t-8978, and rdso drg no. t-8970 with latest alteration if any duly loaded into w agons/road vehicles. [ warranty period: 30 months after the date of delivery ] ]