Kellagher, R. (2005) Preliminary rainfall runoff management for developments - R&D Technical Report W5-074/A/TR/1. Technical Report. Environment Agency/DEFRA.
This Guide is aimed at Regulators, Developers and Local Authorities to advise on the management of stormwater drainage for developments and in particular to assist in
sizing of storage elements for the control and treatment of stormwater runoff. It is based on the requirements of the Interim Procedure produced by the Environment Agency which is reproduced in this document following on from this
summary.
This Guide may be used to form part of a Flood Risk Assessment to comply with PPS25, but it does not address issues such as risk of flooding from a watercourse, effects of changes in floodplain storage or in floodplain conveyance.
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