NR NR/GN/SIG/11116 ISSUE 2 PDF

This Guidance Note applies to all design alterations to signalling systems, including renewal schemes, where fixed equipment may be disturbed.

PURPOSE

This Guidance Note, in support of NR/L2/SIG/11201, gives guidance on assessing the condition of signalling systems before undertaking design alterations, so that the integrity of the system is not compromised during the works and that the safety of the railway is assured.