AS 7643:2018 Australian STANDARD Track stability RISSB Infrastructure Standard Drissb.com.au AS 7643:2018 Track stability RISSB RAILINDUSTRYSAFETY ANDSTANDARDSBOARD (RISsB) Development Group consisting of representatives from the following organisations: ARTC Pacific National Queensland Rail Aurizon Transport for NSW Public Transport Victoria KiwiRail John Holland Rail Arc Infrastructure Metro Trains Melbourne The Standard was approved by the Development Group and the Infrastructure Standing Committee in September, 2018. On September 18, 2018 the RISSB Board approved the Standard for release. Development of the Standard was undertaken in accordance with RissB's accredited process. As part of the approval process, the Standing Committee verified that proper process was followed in developing the Standard RissB wishes to acknowledge the positive contribution of subject matter experts in the development of this Standard. Their efforts ranged from membership of the Development Group through to individuals providing comment on a draft of the Standard during the open review. developed through a rigorous process. Paul Daly Chief Executive Officer Rail Industry Safety and Standards Board Keeping Standards up-to-date Australian Standards developed by RIssB are living documents that reflect progress in science, technology and systems. To maintain their currency, Australian Standards developed by RissB are periodically reviewed, and new editions published when required. Between editions, amendments could be issued. Australian Standards developed by RISSB could also be withdrawn. It is important that readers assure themselves they are using a current Australian Standard developed by RissB, which should include any amendments that have been issued since the Standard was published. Information about Australian Standards developed by RissB, including amendments, can be found by visiting www.rissb.com.au. RissB welcomes suggestions for improvements and asks readers to notify us immediately of any apparent inaccuracies or ambiguities. Members are encouraged to use the change request feature of the RissB website at: http://www.rissb.com.au/products/. Otherwise, please contact us via email at [email protected] or write to Rail Industry Safety and Standards Board, PO Box 518 Spring Hill Qld 4004, Australia. RISSB ABN 58 105 001 465 Page 1 Accredited Standards Development Organisation AS 7643:2018 Track stability RISSB RAILINDUSTRYSAFETY ANDSTANDARDSBOARD AS 7643:2018 Track stability Document details First published as: Railway Infrastructure - Track stability ISBN 978-1-76072-172-5 Published by SAl Global Limited under licence from the Rail Industry Safety and Standards Board, PO Box 518 Spring Hill Qld 4004, Australia. Copyright @ RISSB Copyright Act 1968. Notice to users This RissB product has been developed using input from rail experts from across the rail industry and represents good practice for the industry. The reliance upon or manner of use of this RissB product is the sole responsibility of the user who is to assess whether it meets their organisation's operational environment and risk profile. RISSB ABN 58 105 001 465 Page 2 Accredited Standards Development Organisation