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BS 4521-3.1

74th Edition, December 31, 1974

Complete Document

Specification for Railway Turnouts for Private Users - Part 3: Medium Grade Turnouts for axle loads not exceeding 25 tons - Section 3.1: Turnouts Using Bull Head Rail

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

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Product Details:

  • Revision: 74th Edition, December 31, 1974
  • Published Date: March 1, 2010
  • Status: Not Active, See comments below
  • Document Language: English
  • Published By: British Standards Institution (BSI)
  • Page Count: 42
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Turnouts from straight track, 4 ft 81⁄2 in gauge, nomenclature, materials, design , production, inspection, identification marking, layout, leading and detail dimensions. Appendix gives recommended minimum requirements for partly worn rails.