scope:

This Manual of Good Practice is aimed at:

defining and clarifying the key EMC requirements for all types of new, modified and 'off the shelf' systems into one document to ensure that the supplied system meets the ED 'Essential Requirements';

providing guidance to Project Engineers on the applicable standards covering frequency limits of emissions and susceptibility;

defining the requirements for the EMC Control Plan, Test Plan and Test Reports.

Electromagnetic Compatibility (EMC) requires that all systems operate in a safe manner and perform their intended function, and that the operation of a given system does not degrade the performance of any other systems. Although EMC is not specifically safety related, it is an important aspect of providing railway systems which will operate both safely and reliably. The requirements set out in this document are a means of providing assurance to the Engineering Directorate (ED) that the 'Essential Requirements', which are explained further in Section 3, will be achieved when any equipment or system is installed and operated on the London Underground infrastructure. This assurance will support the ED in its duty to comply with various statutory obligations particularly with regard to the acceptance and commissioning of assets.

Collating and updating the EMC requirements within one document will ensure that a correct and consistent approach is taken by all engineering disciplines, EMC is addressed at all stages of a system life cycle and the risk of specifying redundant or inappropriate requirements is reduced. It is also important to ensure these requirements are addressed at the initial stage of a contract so that assurance can be demonstrated before the system is installed and commissioned. Waiting until the system is on line to consider EMC issues is not acceptable and is likely to lead to costly service delays and disruption. The project manager must ensure the requirements of this document are implemented and must contact the ED to confirm the scope of requirements at an early stage.

This standard replaces 5-01018-001. The Standard has been re formatted and renumbered. There were no technical changes.