BRITISH STANDARD BS EN 14811:2006 +A1:2009 Railway applications Track - Special purpose rail -Grooved and associated construction iC45.080 吉 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British standards bsen14811:2006+A1:2009 National foreword This British Standard is the implementation of EN 14811 :2006 +A1:2009.It supersedes BS EN 14811 :2006 which is withdrawn The start and finish of text introduced or altered by amendment in - dicated in the text by tags .Tags indicating changes to CEN text carry the number of the CEN amendment .For example ,text altered by CEN amendment is indicated by The UK participation in its preparation was entrusted to Technical Committee RAE /2,Railway track ponents . list of organizations represented on this mittee can be obtained on request to its secretary . This publication does not purport to include all the necessary provisions of a contract .Users are responsible for its correct application Compliance with a British Standard cannot confer immunity from legal obligations . This British Standard was Amendments /corrigendaissued since publication published under the authority of the Standards ...