scope:

The TWI may be applied by anyone who has been assessed and is deemed competent under the Network Rail competency management programme and is working on the track asset controlled by either

a standard Maintenance document (e.g. SMP, Method Statement ,Work Instruction)

or

an approved Method Statement on a renewals or project site

The details within the TWI may be used as the basis for "tool-box talks" provided that the briefer meets the competency assessment criteria.

The TWI shall under no circumstances be applied or interpreted in stand-alone mode.

Purpose

This document indexes the trackwork information sheets (TWI) (formerly Track Work Instructions) to be used in connection with Standard Maintenance Procedures, Method Statements, Work instructions and Track Training Framework training documentation.

The index forms the document by which version control is maintained.