scope:

This Handbook applies to work that meets the selection criteria as defined in NR/L3/SIG/10064 NR/GI/T001.

Purpose

This Handbook contains the index to the sections of the Signalling Intermediate Testing Handbook.

It contains the procedures and process controls necessary to confirm that signalling alterations to

existing installations within the scope of this Handbook, are independently tested in a manner that

assures:

•    The Health and Safety of Network Rail employees, supply chain and others affected by its activities; and

•    Compliance with the design; and

•    Fitness for purpose before they are offered for Entry into Operational Service.