scope:

This Specification applies to:

a) general installation techniques;

b) the installation of signalling works applicable to the infrastructure, including temporary works; and

c) the installation of specific types of signalling systems and equipment, but not the trainborne parts of track-to-train systems.

The Specification also applies to maintenance work and repairs, including likefor- like replacement of equipment. However, reference shall also be made to the appropriate maintenance standards and to RT/E/G/11740 (Signalling Maintenance Testing).

The Specification does not cover:

a) the manufacture of individual items of equipment;

b) the installation of trainborne equipment; and

c) equipment ordering details and processes.

The presentation of design detail is the subject of GK/RT0207 and RT/E/S/11201.

The testing of signalling works is covered by GK/RT0209 and RT/E/S/11221.

PURPOSE

This Specification, in support of GK/RT0208, mandates Codes of Practice for the installation of signalling and operational telecommunications works, impacting on Railtrack controlled infrastructure, to ensure:

a) operationally safe installation of new and altered systems and equipment, with safe interfaces between systems;

b) safe methods of work, with safe interfaces between all parties involved;

c) correct and consistent interpretation of design detail;

d) a neat and tidy appearance;

e) compliance with the client's specified requirements, so that the installation is dependable, fit for purpose and free from defect;

f) adequate testability; and

g) safe and easy maintenance.