scope:

This Guidance applies to all Timetable changes proposals.

Timetable changes proposals might take a number of different forms not all linked to increase in mileage covered by individual Rolling Stock assets.

Any proposed Timetable change should be assessed by competent and accountable stakeholders to evaluate the effect it might have on the Rolling Stock assets and the adequacy of their current maintenance requirement and logistics.

The minimum stakeholders groups required to assess timetable changes are:

- Fleet Maintenance

- Maintenance Planning

- Maintenance Procurement

- Maintenance Engineering

- Fleet Asset Manager

- Rolling Stock Ambience

- Head of Rolling Stock representative

Purpose

The purpose of this Guidance Document is to explain the minimum requirements that should be followed to assess the impact of Timetable changes on Rolling Stock assets and their maintenance.

This document illustrates the process that should be followed and the stakeholders that should be involved in the completion of the assessment.

The assessment should produce a list of risks identified in the review and proposed / required actions that should need to be fulfilled to introduce the timetable changes.