Rate Contract For Manufacture And Supply Of Pretensioned Prestressed Concrete (Psc) 1 In 8.5 Cr Ossing Portion (Sleeper 41 To 49) As Per Rdso'S Drawing No:T-4831 To T-4839 With Latest Alteration(Up To The D Ate Of Opening Of Tender) And Conforming To Indian Railway Standard(Irs) Specification T-45 (Fourth Revision-M Arch-2021) For Pretensioned Prestressed Concrete (Psc) Sleepers With Up To Date Of Amendment (Up To The Dat E Of Opening Of Tender) [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]