scope:

All scenarios requiring the use of emergency and temporary speed restrictions are included.

This procedure covers maintenance responsibilities only. The process for initiation of an emergency or temporary speed restriction by any function other than maintenance is not covered in this document. Reference should be made to other functional procedures for details of their process.

This procedure is part of a suite of documents; reference should be made to the applicable document:

NR/L3/SIG/SG0093. Signalling equipment affected by emergency and temporary speed restrictions

NR/L3/SIG/MG0110. Imposition and removal of emergency and temporary speed restrictions.

NR/L3/SIG/SG0111. Design of emergency and temporary speed restrictions.

This procedure will only apply to those post holders who are involved in any aspect of the initiation or removal of an emergency or temporary speed restriction for maintenance purposes. Individual role and position responsibilities for this procedure are detailed in the RACI.

Purpose

This procedure details the process for the imposition and subsequent removal of emergency and temporary speed restrictions by maintenance on Network Rail infrastructure.