A worked example of flood risk assessment in pumped catchments

A worked example which compares results for assessing flood risk using the new method to those obtained using processes set out in earlier guidance.

Documents

Pumped catchments: guide for hydrology and hydraulics - technical report (1.6MB) PDF

Pumped catchments: worked example of hydrological assessment and hydraulic modelling (2.9MB) PDF

External link: Introduction to the pumped catchments guide webinar

External link: Using the pumped catchments guide with a worked example webinar

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Details

This document provides an update to the earlier ‘Guide for Hydrology and Hydraulics - Pumped Catchments’ (SC090006/R003, 2012).

As part of the guidance update, it was decided that practitioners in the operating authorities, responsible for flood risk management in low-lying catchments, would benefit from viewing illustrative examples.

This document presents a worked example which compares results for assessing flood risk using the new method. This is compared to those using the processes set out in the earlier guidance, ‘The Hydraulics and Hydrology of Pumped Drainage Systems - An Engineering Guide, Report SR 331’ (November 1993).

The project was started in April 2009 and completed in October 2013.

Published 22 February 2021