Differences Between Slip Siding and Catch Siding (G.R./S.R. 3.50)

S.No.Slip SidingCatch Siding
1.Protects the block section.It protects station section/station.
2.It is provided where falling gradient towards block section is steeper than 1 in 100.It is provided where falling gradient towards station (section) is steeper than 1 in 80.
3.It prevents vehicles at station escaping onto the main line.It catches vehicles from adjacent station or block section.
4.It is a short siding.It is a lengthy siding.
5.Outermost point of the station will be a trailing point if provided.Outermost point of the station will be a facing point if provided.

Common Points for Both Slip Siding and Catch Siding

  1. 1

    Normal setting points is for Slip/Catch siding.

  2. 2

    Both sidings shall not be used for shunting or stabling purpose.

  3. 3

    Interlocking with block instrument is compulsory.

  4. 4

    Key can be extracted only when Block Instrument is in TCF/TGT.

  5. 5

    Operation procedure of these shall be incorporated in SWR.

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