Manufacture And Supply Of Pre Tensioned Pre Stressed Concrete (psc) Sleeper Set For 1 In 12 - 60kg(uic)/60ei With R260 / Rr350ht Rail As Per Rdso s Drawing For General Layout Drg. No. T-9790 (f Or 25t Axle Load), For Hts Drg. No. T 8719 And Sleeper s Drawing Nos. T-9682 To 9686, T-9687 To 9769 & T-9770 To 9773 With Latest Alteration And Conforming To Indian Railway Standard (irs) Specification T-45 (fourth Revision - March 2021) For Pretensioned Prestressed Concrete (psc) Sleepers. One Set Consists Of 9 6 Sleepers. [all Amendments/alterations In Drawing And Specification Issued By Rdso Till One Month Prior To The Date Of Closing Of Tender Will Be Applicable To This Tender. ]