Tenders for Manufacture And Supply Of Prestressed Mono Block Concrete Sleepers Pre-Tensioned Type For Bro Ad Gauge 1673 Mm For 1 In 16 Psc Turnout Sets To Suit 60 Kg Uic Rail As Per Rdso Drg No. T-5691 And Irs Specification No. T-45 4Th Rev. March-2021 As Amended From Time To Time Up To Date Of Opening Of Tender For Pr E-Stressed Concrete Sleepers Pre-Tensioned Type. The Alt. In Drawing Issued By Rdso Upto One Month Prior To Tender Closing Date Shall Be Applicable In This Tender. Warranty Period: 60 Months After The Date Of Delivery