1 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding 1 Building Better Buildings Guildhall, Hull 1 December 2015 Property Level Flood Protection Andrew McLachlan Flood Risk Strategy Manager East Riding of Yorkshire
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1 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
1
Building Better Buildings Guildhall, Hull 1 December 2015
Property Level Flood Protection Andrew McLachlan Flood Risk Strategy Manager East Riding of Yorkshire
2 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
2
Flood Risk in East Yorkshire • 2nd Most at flood risk area in UK • Risk from:
• Tidal • Fluvial • Pluvial • Groundwater
3 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
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Flood Risk in East Yorkshire • Entirely reliant on manmade
4 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
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Options for Managing Flood Risk • Avoid (Sequential Approach) • Community Level Flood Defence • Land Raising • Water Compatible Design • Protection (PLFP) • Resilient Design
5 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
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Options for Managing Flood Risk • Avoid (Sequential Approach) • Community Level Flood Defence • Land Raising • Water Compatible Design • Protection (PLFP) • Resilient Design
6 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
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Options for Managing Flood Risk • Avoid (Sequential Approach) • Community Level Flood Defence • Land Raising • Water Compatible Design • Protection (PLFP) • Resilient Design
7 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
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Options for Managing Flood Risk • Avoid (Sequential Approach) • Community Level Flood Defence • Land Raising • Water Compatible Design • Protection (PLFP) • Resilient Design
8 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
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Options for Managing Flood Risk • Avoid (Sequential Approach) • Community Level Flood Defence • Land Raising • Water Compatible Design • Protection (PLFP) • Resilient Design
9 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
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Options for Managing Flood Risk • Avoid (Sequential Approach) • Community Level Flood Defence • Land Raising • Water Compatible Design • Protection (PLFP) • Resilient Design
10 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
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When is PLFP Appropriate? • Existing Development
• No other solution available • No other solution affordable • Last line of defence
• New Development • Where there are wider sustainability issues • Where the development is necessary • To meet the requirements of the Strategic Flood
Risk Assessment
11 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
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East Riding Experience • Defra sponsored pilot scheme
• Town of Hedon and Village of Bilton • 1000 properties flooded in 2007 • Successful bid for 3 grants • Total of £600K • 150 properties • Ring-fenced for protection at the property level • Tight timescales for delivery
12 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
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East Riding Experience • Defra sponsored pilot scheme
• Town of Hedon and Village of Bilton • 1000 properties flooded in 2007 • Successful bid for 3 grants • Total of £600K • 150 properties • Ring-fenced for protection at the property level • Tight timescales for delivery
13 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
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East Riding Experience • Defra sponsored pilot scheme
• Town of Hedon and Village of Bilton • 1000 properties flooded in 2007 • Successful bid for 3 grants • Total of £600K • 150 properties • Ring-fenced for protection at the property level • Tight timescales for delivery
14 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
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East Riding Experience • Procurement
• Dozens of unaccredited products • No “real world” deployment or testing • Price / Quality Assessment
• Testing • Build “test rig house” • Test products in different combinations • Test “install-ability” of products
15 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
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Assessment and Engagement • Test Rig
• Simulate building style and local conditions • Built in “simulated poor workmanship” • Controlled environment
• Stakeholder engagement • Open days • Kinaesthetic and physical handling of products • Aesthetic and storage considerations
16 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
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PLFP Product Types • Passive
• No requirement for householder to be present • Very effective • Very expensive to install (labour costs)
• Active • Requirement for householder to be present • Storage issues • Deployment issues for the less able
17 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
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“There’s a hole in my bucket” • Consider
• Building materials • Floor construction • Build quality • Flood depth and duration • Ground conditions • Age of property • Structural characteristics (600mm +FFL) • Below ground drainage • WC / Shower / Wet Room / Utility • Utilities • Displacement
18 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
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A Comprehensive Solution • Consider
• Door and window guards • Airbrick cover/device and/or • Concrete floor and tanking • Ventilation • Non return / Isolation valves on waste • Seal around incoming utility pipes • Seal under thresholds • Floor covering • Lime plaster • Sockets and utilities • Pumps • Don’t forget the building regs!
19 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
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PLFP Standards • BSI Standards
• PAS 1188-1:2014 - Flood Protection products. Part 1: Building aperture products • PAS 1188-2:2014 - Flood Protection products. Part 2: Temporary and demountable flood protection • PAS 1188-3:2014 - Flood protection products. Part 3: Buildings & building skirt systems • PAS 1188-4:2014 - Flood protection products. Part 4: Demountable products
20 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
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Consider Professional Advice and Independent Project Management
21 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding
22 Flood Risk Strategy East Riding of Yorkshire Council County Hall Beverley East Riding of Yorkshire HU17 9BA Telephone 01482 887700 • www.eastriding.gov.uk/flooding