NR NR/L3/CIV/040 ISSUE 3 PDF

This work instruction applies to Contractors and Network Rail employees undertaking the application and reapplication of protective coating systems to Network Rail’s infrastructure, except for rails and other track components.

This work instruction covers the use of coating systems for the corrosion protection and fire protection of structural steelwork, and for the protection of timber, concrete, and masonry structures.

This work instruction does not apply to short possessions (e.g. when there insufficient time to allow the protective coating to be applied, including curing, in accordance with the manufacturer’s recommendations). 

This standard is to be used in conjunction with NR/GN/CIV/002 and NR/L2/CIV/039.

Guidance and background information are provided in NR/GN/CIV/002 and NR/L2/CIV/039 details how coating materials are tested and certified.

Purpose

This work instruction defines the selection and use of protective coating systems for Network Rail’s infrastructure.

Protective coatings are applied and reapplied to:

a) preserve and protect the infrastructure so that it provides the required service life in the most cost-effective manner;

b) in some cases, the colour of the final coat complies with regulations that govern the safe operation of the railway; and/or;

c) to satisfy aesthetic requirements.