Tenders for Manufacture And Supply Of Pre-Stressed Mono Block Concrete Sleepers For Pre-Tensioned Type F Or Broad Gauge 1673Mm For Use On Curves To Rdso Drg No.Rt--8621 To 8624 Alt-2 With Latest Alterations And Part Drawing Thereof To Suite 60Kg Uic Rail And As Per Irs Specification T-39. Note: Sleeper Wise Quantity Dist Ribution Is As Follows:1 T-8621 2300 Nos. 2 T-8622 2300 Nos. 3 T-8623 2300 Nos And 4 T-8624 11950 Nos. Warranty Period: 60 Months After The Date Of Delivery