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BS 4521-4

75th Edition, April 30, 1975

Complete Document

Specification for Railway Turnouts for Private Users - Part 4: Heavy Grade Turnouts over Which British Railways Locomotives Do Not Operate, for Axle Loads Which May Exceed 25 Tons, Using Flat Bottom Rails

Includes all amendments and changes through Reaffirmation Notice , March 1, 2010

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Product Details:

  • Revision: 75th Edition, April 30, 1975
  • Published Date: March 1, 2010
  • Status: Not Active, See comments below
  • Document Language: English
  • Published By: British Standards Institution (BSI)
  • Page Count: 50
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Turnouts from straight 4 ft 81⁄2 in gauge track made from rails dimensionally in accordance with BS 11, section 110A or 113A, in wear resistant steel quality or of cast austenitic manganese steel to BS 1457.