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2012 , Ohrid, Republic of Macedonia

Sustainable Urban Drainage Systems as a means of flood protection. Presenter Vesna Nikoloska. Balwois , 5 th Conference on Water, Climate and Environment. 2012 , Ohrid, Republic of Macedonia. Urban Hydrological cycle changes. Urbanization. Rainfall. Runoff diagram. SUDS Implementation.

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2012 , Ohrid, Republic of Macedonia

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  1. Sustainable Urban Drainage Systems as a means of flood protection Presenter Vesna Nikoloska Balwois, 5th Conference on Water, Climate and Environment 2012 , Ohrid, Republic of Macedonia

  2. Urban Hydrological cycle changes Urbanization Rainfall Runoff diagram SUDS Implementation

  3. What is SUDS • Sustainable Urban Drainage Systems cover a wide range of drainage features which comply with one or more of the three key principles • Attenuation of storm flows • Water Quality improvements • Ground water recharge

  4. SUDS

  5. SUDS As A Means of Flood Risk Reduction

  6. Source Pathway Receptor Management River & Sewer Flooding – USE EMBANKMENTS / TANKS Rainfall – USE SUDS Incoming flooding Flooding –FLOOD MITIGATION

  7. Green Field Development Run-off limit ≤ existing Run-off limit 3-7 l/s/ha SUDSapplies within the site boundary Brown Field Development

  8. Example Old Road Campus – Oxford University – Brown Field SUDS means Connect to existing Run-off limit ≤ existing

  9. SUDS in Legislation • National Planning Policy Framework • Flood Water Management Act, DEFRA • National Flood and Coastal Erosion Risk Management Strategy for England • British Standards • Building Regulations • Guidance Documents • CIRIA • The flood risk assessment has been included as a part of the legislation 10 years ago and legislation has been revised few times to meet the economic development and EU standards Revised March 2012

  10. Drainage systems in Macedonia • Problems • Upstream watershed- soil erosion • Urban areas – increased run-off and local floods; overloaded surface • water drainage systems • No surface water discharge consent • Foul discharge - water quality deterioration in rivers • Downstream watershed - Flooding • Legislation • Water Law – considers SW discharge only from aspect pollution control • Law for Public and communal affairs in Macedonia – considers the surface water collection, drainage and discharge but there is not available technical specification support

  11. Profile Buildings Sustainability Land Development & Regeneration Environmental & Process Technology Traffic & Transport Water & Wastewater Highways & Bridges IT & Telecoms Power Railways Fire London Excellence through innovationsince 1926 Thank you

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