Codal Life as per RB PDF
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Uttam Kumar
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Summary
This document outlines the service life of various railway components, including plain track, turnouts, and loop lines, as well as switches, TWS, CMS crossing, metal liners and more. It details the service life based on different criteria, such as condition, speed, and other factors.
Full Transcript
Extracts of IRPWM & RB letter no 2021/CE-II/TSC/10th extraordinary date 16.07.2021 And RB letter no-2022/ACII/2/1 Dated 24/03/2022 (By-Uttam Kumar) Deep S...
Extracts of IRPWM & RB letter no 2021/CE-II/TSC/10th extraordinary date 16.07.2021 And RB letter no-2022/ACII/2/1 Dated 24/03/2022 (By-Uttam Kumar) Deep Screening Plain track If clean ballast cushion is less than 200 mm when sectional speed is 130 kmph and above If clean ballast cushion is less than 150 mm when sectional speed is less than130 kmph Turnouts on main line If clean ballast cushion is less than 200 mm Loop lines Once in 15 years. Service life of Rail 60 kg 90 UTS = 1000 GMT 60 kg 72 UTS = 550 GMT Routes covered by rail grinding 52 kg 90 UTS = 525 GMT 52 kg 72 UTS = 350 GMT 60 kg 90 UTS = 800 GMT ( 25 years in A&B rout ) Routes not covered by rail 60 kg 72 UTS = 550 GMT grinding 52 kg 90 UTS = 525 GMT ( 20 years in A&B rout ) 52 kg 72 UTS = 350 GMT Service life of PSC sleeper On condition Basis (35 years in A&B routs) Service life of Turnout Switches 52 kg – 250 GMT or on condition basis as decided by CTE( 4 -6 years in A&B rout ) 60 kg – 30 0GMT or on condition basis as decided by CTE ( 5 -8 years in A&B rout ) TWS 52 kg & 60 kg -800 GMT or on condition basis as decided by CTE( 14-18 years in A&B rout) 52 kg & 60kg – 350 GMT with replacement of fitting on condition basis, in case of in-situ CMS crossing reconditioning using Robotic welding machine. ( 7 -8 years in A&B rout ) 52 kg & 60kg – 300 GMT in case of reconditioning using H3B/H3C IRS electrode Service life of P-way Component(Fittings) Metal liner 400 GMT or 8 yrs. whichever is earlier or on condition basis ERC 400 GMT or 8 yrs. whichever is earlier or on condition basis CGSRP 400 GMT or 8 yrs. whichever is earlier or on condition basis Service life of Glued Joints 400 GMT (Tentative) for 60 kg (6mm). Other renewal criteria is unchanged Service life of Channel Sleeper Galvanized channel Sleeper 14 years/800 GMT or on condition basis as decided by CTE, whichever is earlier, with replacement of fitting as when necessary Rubber component 400 GMT , on condition basis as decided by CTE, whichever is earlier or
