supply of manufacture and supply of prestressed mono-block concrete sleeper sets for 1:12 turnouts (pre tensioned type) for broad gauge 1673 mm as per rdso drg. no. t-4218 with latest alteration upto date, (for general layout) and part drawing there of to suit 60 kg/52 kg. uic rail (both fan shaped) and as per irs specification t-45-2021 (fourth revision march 2021) with corrigendum no. 2 or latest amendments till date of tender opening.manufacture and supply of prestressed mono-block concrete sleeper sets for 1:12 turnouts (pre tensioned type) for broad gauge 1673 mm as per rdso drg. no. t-4218 with latest alteration upto date, (for general layout) and part drawing there of to suit 60 kg/52 kg. uic rail (both fan shaped) and as per irs specification t-45-2021 (fourth revision march 2021) with corrigendum no. 2 or latest amendments till date of tender opening.,manufacture and supply of prestressed mono-block concrete sleeper sets for 1:12 turnou ts (pre tensioned type) for broad gauge 1673 mm as per rdso drg. no. t-4218 with latest alteration u pto date, (for general layout) and part drawing there of to suit 60 kg/52 kg. uic rail (both fan shaped) and as per irs specification t-45-2021 (fourth revision march 2021) with corrigendum no. 2 or latest a mendments till date of tender opening. [ warranty period: 60 months after the date of delivery ] ]