i. Complete track renewal shall provide with LWR/CWR. Existing rail laid on permitted location may also be converted into LWR/CWR.
ii. New construction/doubling/Gauge conversion shall be opened with LWR/CWR
iii. In goods running lines where condition of all the track component is sound
iv. LWR/ CWR shall not be permitted where rails are subjected heavy wear,
corrosion and needing frequent renewalv. LWR/ CWR shall not be permitted where formation is weak or formation soil is susceptible to competing.
vi. LWR/ CWR shall not be permitted on curve sharper thann440 mtr radius.
vii. LWR/ CWR shall not be permitted on reverse curves sharper than 875 mtr radius.
viii. The steepest permitted grade shall be 1 in 100
ix. Minimum radius for LWR/ CWR for vertical Curve shall be 4000 mtr for A route, 3000 Mtr for B route and 2500 mtr for C,D & E route
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