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BSI BS 4521-3.1:1974

Specification for railway turnouts for private users. Medium grade turnouts over which British Railways locomotives do not operate, for axle loads not exceeding 25 tons -- Turnouts using bull head rail
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BSI BS 4521-3.1:1974

Specification for railway turnouts for private users. Medium grade turnouts over which British Railways locomotives do not operate, for axle loads not exceeding 25 tons -- Turnouts using bull head rail

PUBLISH DATE 1974
PAGES 42
BSI BS 4521-3.1:1974
REAFFIRMED IN 2010
Turnouts from straight track, 4 ft 8½ in gauge, nomenclature, materials, design, production, inspection, identification marking, layout, leading and detail dimensions. Appendix gives recommended minimum requirements for partly worn rails.
SDO BSI: British Standards Institution
Document Number 4521-3.1
Publication Date Dec. 31, 1974
Language en - English
Page Count
Revision Level
Supercedes
Committee RAE/2
Publish Date Document Id Type View
Dec. 31, 1974 BS 4521-3.1:1974 Revision