scope:

This module contains the business process to manage drainage during A/EW by:

a) selecting high risk drainage systems as identified in the Route Drainage Management Plans (RDMP) for inclusion in the Integrated Weather

Management Plan (IWMP);

b) identifying the actions to be taken during A/EW weather events to maintain levels of safety and performance;

c) developing, reviewing and updating the record of the drainage systems contained within the relevant sections of the IWMP; and

d) implementing measures documented in the IWMP for drainage.

This module applies to all drainage systems within the network rail boundary, and drainage assets outside the boundary which have the potential to affect Network Rail

infrastructure.

Purpose

This module describes the operational requirements for management of drainage during Adverse/Extreme Weather (A/EW).

This procedure manages the control, 'weather - managing operational risk', by mitigating the risk of flooding.