scope:

2.1Applicability

This standard applies to all activitiesassociated with Construction Assurance of OCS

with the exception for the requirementsassociated with product type testing.

The requirements in this standard applyto OCS infrastructure only.

2.2Exclusion

This standard does not apply toelectrification and plant asset routine maintenance

or testing activities, design assuranceof any site changes, work carried out under

emergency conditions or project works thatcan be carried out solely within the

parameters of the maintenance riskmanual.

NOTE -Recovery from incidents involving damage to the OCS is covered inNR/L2/ELP/27032.

Purpose

The purpose of this standard is todefine the Construction Assurance requirements

for new or modified Overhead ContactSystems (OCS). The standard consists of four

modules to cover material control,installation, testing and commissioning and post

commissioning activities.

The standard provides the structure forall OCS to be installed, tested and entered

into service while ensuring compliancewith legislation, Network Rail standards,

project specifications and approveddesigns.

The standard provides the requirementsto effectively manage the safety, reliability

and other risks associated with poorinstallation while providing a framework for

efficient application of ConstructionAssurance activities to avoid unnecessary

rework.