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  • Reservoir Inundation Modelling | Waterco
    Map Challenge Natural Flood Management Knowledge Transfer Partnership KTP with Liverpool University Property Level Flood Protection Flood Risk Mitigation Surveys Flood Warning and Evacuation Plans Lead Local Flood Authorities Related Links Flood Risk to Assets Reservoir Inundation Modelling Current best practice guidance for England and Wales recommends that reservoir inundation mapping and emergency plans are prepared by reservoir owners and operators for all reservoir assets which hold at least 25 000m of water above ground level in accordance with The Reservoirs Act 1975 Specifically the enforcement authorities Environment Agency and Natural Resources Wales recommend that each reservoir has the following On site reservoir flood emergency plan includes details of how the owner or operator will prevent the dam from failing in an emergency and how they will contain and reduce the effects of the failure Although not currently required by law it is good practice for all reservoirs to have one Off site reservoir flood emergency plan Off site plans set out what the emergency services will do to warn and protect people and property downstream in the event of an incident which could lead to dam or reservoir failure Local authorities are responsible for coordinating off site plans for reservoir flooding and ensuring communities are well prepared Reservoir flood mapping Detailed hydraulic modelling of a potential failure of the reservoir or dam Typically carried out using 2D hydrodynamic computer modelling with the outputs being used to provide data for the reservoir flood emergency plans Waterco and our team of highly experienced hydraulic modellers have established a strong reputation in delivering the above services in addition to the following related services Reservoir Inundation mapping TUFLOW MIKE21 Breach Dambreak analysis Flood assessments Hydrological and hydraulic analyses Emergency planning Our clients include water utilities companies local authorities private landowners and large commercial

    Original URL path: http://www.waterco.co.uk/reservoir-inundation-modelling (2016-02-16)
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  • Flood Risk Assessment | Guidance
    Partnership KTP with Liverpool University Property Level Flood Protection Flood Risk Mitigation Surveys Flood Warning and Evacuation Plans Lead Local Flood Authorities Flood Risk Assessment Guidance Waterco provide professional guidance throughout the flood risk assessment process This section provides links to documents and websites that inform on flood risk legislation Planning Documents Every Flood Risk Assessment FRA England Flood Risk Assessment FRA Scotland or Flood Consquence Assessment FCA Waterco produce meets the requirements set out in the relevant flood risk planning statements To access planning policy documents for your region click on the appropriate link England NPPF National Planning Policy Framework Wales TAN15 Technical Advice Note 15 Scotland SPP Scottish Planning Policy Environment Agency EA Flood Maps The Environment Agency website has a very helpful flood zone finder EA Flood Map Just enter the postcode of the development site to find out in which Flood Zone it is located Are you at risk of flooding Town City or Postcode Welsh Government Development Advice Maps The Welsh Government has published Development Advice Maps DA Maps online Click here and enter the location or postcode of the site to access the map Scottish Environment Protection Agency SEPA Flood Maps The SEPA website

    Original URL path: http://www.waterco.co.uk/flood-risk-guidance (2016-02-16)
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  • Flood Map Challenge
    Analysis and Hazard Mapping Reservoir Inundation Modelling Coastal Modelling Flood Map Challenge Natural Flood Management Knowledge Transfer Partnership KTP with Liverpool University Property Level Flood Protection Flood Risk Mitigation Surveys Flood Warning and Evacuation Plans Lead Local Flood Authorities Related Links Hydrology Flood Map Challenge National flood maps were created by the Environment Agency and are used to support the planning documents NPPF and TAN15 However sometimes these maps can be too general and can impede the development process Waterco engages with the EA and by carrying out site specific modelling can successfully demonstrate amendments to these maps and assist the development process In order to change the Flood Zone outlines revised flood extents must be produced by detailed site specific flood modelling and assessment in accordance with EA guidance A flood map challenge would include the following Reviewing existing flood defences as appropiate Agreeing with EA the extent and details of the model Relationship of site levels to potential flood levels AOD Historical data research on past flooding incidents Obtaining data from the EA for river levels Extensive survey information for the hydraulic model Flood Modelling using MIKE FLOOD Breach Assessment and Overland Flow Assessment if required Calculating 1

    Original URL path: http://www.waterco.co.uk/flood-map-challenge (2016-02-16)
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