scope:

This document covers procedures for the set-up and outcomes of evaluations.

It applies to all earthworks within the Network Rail boundary and slopes outside the boundary that should affect Network Rail infrastructure.

This business process does not cover:

a) Health and safety requirements applicable to operational safety and emergency evacuation procedures;

b) The commercial and all the organisational responsibilities for delivering the requirements of the Standard. 

Purpose 

Evaluations are carried out when there is a need to appraise the stability or condition of earthworks and determine the actions required. 

This business process manages the control, 'earthwork evaluation', mitigating the following risks: 

a) loss of track support or track geometry; 

b) slope failure leading to loss of kinematic envelope and/or track geometry.