In producing the OPSWEB site, neither the Operations Focus Group, Rail Safety and Standards Board nor any of the contributories makes any warranty, express or implied, that compliance with any of the documents within this site is sufficient on its own or in combination with others, to ensure safe systems of work or operation. Each user is reminded of their own responsibilities to ensure health and safety at work, of their Railway Safety Case obligations and of their duties under general health and safety legislation.

The requirements of Railway Group Standards take precedence in the event they conflict with the content of this site.

The OPSWEB Editor should be notified of any such conflict if found using the Feedback facility on this site.