Manufacture And Supply Of 10125 Mm Pre-curved/curved Switches With Zu- 1- 60/60e1a1 Thick Web Grade 880 Class A Tongue Rails And Uic 60kg/m Grade 880, Class A/class B Prime Quality Stock Rails With Elastic Fasteners And Spring Operated Setting Device (rdso-t/6216), Complete (with Check Rails) With All Fitting For 1 In 12, Bg 60 Kg Turn Out For Fan Shaped Layout On Psc Sleepers I.e. All Fitting For Switch Portion As Per Sub Assembly Drg. No. T-6155 (alt-13) In Accordance With Rdso's Standard Drawing No. 6154 Excluding Standard Fish Plates, Fish Bolts And Nuts Er Clips, Insulating Liners.latest Alterations/amendments Shall Be Applicable. Note: Pre-curving Shall Be Done As Per Rdso Letter No. Ct/ptx/tws/design Dt. 06.07.2023. (note: No Pre-curved Tws Is Required).