scope:

This document covers the requirements for arc welding of metallic materials.

All requirements detailed in this document are applicable to all rail vehicles for which Network Rail is the registered Entity in Charge of Maintenance (ECM) on the National Vehicle Register (NVR). On-track and depot plant are not included within the scope of this document.

This document applies to any organisations; Network Rail or Suppliers conducting welding for new build, modification, renewing or repair of rail vehicles and their components.

Purpose

This document defines the minimum requirements to manage and conduct welding activities on rail vehicles to maintain the required safety, quality and suitability of the weld. Also, through these controls the required certifications are set out so that welding on rail vehicles is carried out with the correct competency level. With this document, the associated risks to weld failures on rail vehicles are reduced.