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Home | Knowledge Network | Development Management | Drainage

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Knowledge Network

Drainage

1. Flood and Water Management

The 2010 Act enacted April 2010 requires:

• SUDS on all new developments "where practicable", enforced by planning conditions
• Permeable paving
• Counties and Unitaries to adopt and maintain all new SUDS schemes
• New national standards for approval, adoption and connection to the public sewer.

Find out more in Chris Saunder's report on IHE's special seminar on 21 April 2010 and view the presentations from Defra, EA, Oxfordshire, Cambridge and Water companies.

Read IHE's summary of the Act.

Read CSS (now ADEPT) guidance on highway management aspects of 2009 Flood & Water Management Bill (now enacted).

2. SUDS resources

• www.ciria.org.uk/suds/ for Interim Code of Practice, training, adoption issues, publications and case studies.
• SUDS for Roads - the Scottish Government Guide (published August 2009) - an invaluable comprehensive guidance.
• SNIFFER the Scottish research forum.
• Understanding Permeable Paving: Designed to help all those involved with development to understand permeable paving and SUDS.. It includes overall design, long-term performance, costs and adoption issues.
  Free from Interpave www.paving.org.uk/permeable.php
• Designing for SUDS: CIRIA courses.
• Case studies from CIRIA, Mayer Brown's research trials at Waterlooville and the Scottish SUDS database.
• SUDSnet: the UK national SUDS network. Register for news and events.

3. Design and adoption guides

• Read Oxfordshire's SUDS guidance for new developments.
• Cambridge County has published the first monitoring results of its Lamb Drove SUDS development. These will inform Defra's 2011 guidance.
• Cambridge City SUDS design and adoption guide (December 2009)

4. Assessing flood risk

• Improving Surface Water Drainage - A summary of DEFRA involvements. Includes Surface Water Management Plan Guidance (March 2010).
• Oxfordshire CC and West Sussex CC have been mapping their Drainage Assets.
• Planning Policy Statement 25: Development and flood risk - sets out the government's spatial planning policy on development and flood risk.

5. Training

• CIRIA is the leading provider of training for England and Wales.
• Culvert design and operation guide (C689) published by CIRIA, April 2010.
• Email Phil Chatfield to request access to the Environment Agency's web-based training on SUDS and the Flood & Water Act (Local Authorities only).