sfra appendix e1 - herefordshire · pdf file 023685 - bblphcc1617 - sfra\e models and...

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  • 236 xx\7

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    3 Main Rivers ± Flood Zone 2 Flood Zone 3Area benefitting from the River Wye Hereford Flood Defence Scheme up to0.5% (1 in 200) annualprobability

    River Lugg The mapped extent of Flood Zone 2 and Flood Zone 3 replicate the EA Flood Map for Planning, withflood extents as downloaded from www.gov.uk in February 2017. Fluvial flood risk associated with smaller watercourses with a catchment of less than c.3 square kilometres may not be illustrated on these maps. The reader isadvised to refer to the Map ofSurface Water Flood Extents inNorth-East Hereford tounderstand the potential risks associated with these features. DRAWING STATUS: FOR INFORMATION ONLY

    Kings Orchard, 1 Queen St, Bristol, BS2 0HQ T +44 (0)1179 306200 CLIENT:

    SITE/PROJECT: HEREFORDSHISFRARE LEVEL 1 River Wye

    TITLE: MAP 1 OF 4: MAP OF FLUVIAL FLOOD EXTENTS IN NORTH-HEREFORD EAST SCALE @ A3: CHECKED: APPROVED:1:10,050 JG JG PROJECT NO: DESIGNED: DRAWN: DATE:70023685 SH JSdS 25/01/2019 DRAWING No: REV:0 125 250 500 APPENDIX E-1A P02

    © Crown copyright and database rights 2017 Metres © WSP UK LtdOrdnance Survey 100024168

    www.gov.uk

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    3 Main Rivers Flood Zone 3b - Functional± Floodplain DeFlood Zone 3b - Urban orfended

    Flood Zone 3b is indicative onlyand indicates areas that may flood during the 1 in 20 (5%) annualprobability event, however urban or defended areas are not usuallyclassified as Functional Floodplain. Areas idenfitified to be urban and not considered to be floodplain are based on a review of OS mapping River Lugg to illustrate indicative extents. The EA's Area Benefiting from Flood Defences and the previous SFRA (2009) have been used toinform the Flood Zone 3b - urban or defended area. Fluvial flood risk associated with smaller watercourses with a catchment of less than c.3 square kilometres may not be illustrated on these maps. The reader isadvised to refer to the Map of surface Water Flood Extents inNorth-East Hereford tounderstand the potential risks associated with these features. DRAWING STATUS: FOR INFORMATION ONLY

    Kings Orchard, 1 Queen St, Bristol, BS2 0HQ T +44 (0)1179 306200 CLIENT:

    SITE/PROJECT: HEREFORDSHISFRARE LEVEL 1 River Wye

    TITLE: MAP 1 OF 4: MAP OF FUNCTIONAL FLOODPLAIN EXTENT INNORTH-EAST HEREFORD SCALE @ A3: CHECKED: APPROVED:1:10,055 JG JG PROJECT NO: DESIGNED: DRAWN: DATE:70023685 SH JSdS 25/01/2019 DRAWING No: REV:0 125 250 500 APPENDIX E-2A P02

    © Crown copyright and database rights 2017 Metres © WSP UK LtdOrdnance Survey 100024168

  • 0

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    ± Main Rivers Indicative Future Flood Zone 3

    River Lugg

    In line with current guidance outlined in the Herefordshire Level1 SFRA the current Flood Zone 2 extent has been used to indicate a 70% increase in peak river flow and the future Flood Zone 3 extent in accordance withEnvironment Agency guidance.

    River Wye

    © Crown copyright and database rights 2017 Ordnance Survey 100024168

    0 125 250 500 Metres

    DRAWING STATUS: FOR INFORMATION ONLY

    Kings Orchard, 1 Queen St, Bristol, BS2 0HQ T +44 (0)1179 306200 CLIENT:

    SITE/PROJECT:

    TITLE:

    SCALE @ A3: CHECKED: APPROVED:

    PROJECT NO: DESIGNED: DRAWN: DATE:

    DRAWING No: REV:

    © WSP UK Ltd

    1:10,050 JSdS 70023685 SH 18/01/2019

    APPENDIX E-3A

    HEREFORDSHIRE LEVEL 1 SFRA

    JG JG

    P02

    MAP 1 OF 4: MAP OF FLUVIAL FLOOD EXTENTS WITH CLIMATE CHANGE INNORTH-EAST HEREFORD

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    3 Main Rivers ± 1% (1 in 100) annualprobability of fluvial flooding undefended scenario

    0.1% (1 in 1000) annualprobability of fluvial flooding undefended scenario

    River Lugg

    The fluvial flood extents shown are the undefended hydraylic model results for the River Wye undertaken by the EA in 2012. This data has not yet been incorporated into the EA's Flood Map for Planning and therefore this mapping is a supplement to the EA's Flood Map for Planning. DRAWING STATUS: FOR INFORMATION ONLY

    Kings Orchard, 1 Queen St, Bristol, BS2 0HQ T +44 (0)1179 306200 CLIENT:

    SITE/PROJECT: HEREFORDSHISFRARE LEVEL 1 River Wye TITLE: MAP 1 OF 4: SUPPLEMENTARY MAPPING OF UNDEFENDED FLUVIAL FLOOD EXTENTS IN NORTH-EAST HEREFORD

    SCALE @ A3: CHECKED: APPROVED:1:10,050 JG JG PROJECT NO: DESIGNED: DRAWN: DATE:70023685 SH JSdS 25/01/2019 DRAWING No: REV:0 125 250 500 APPENDIX E-4A P02

    © Crown copyright and database rights 2017 Metres © WSP UK LtdOrdnance Survey 100024168

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    ± Main Rivers Low Risk Medium Risk High Risk

    River Lugg

    The mapped surface water flood extents were provided by the EA inFebruary 2017. DRAWING STATUS: FOR INFORMATION ONLY

    Kings Orchard, 1 Queen St, Bristol, BS2 0HQ T +44 (0)1179 306200 CLIENT:

    SITE/PROJECT: HEREFORDSHIRE LEVEL 1SFRA River Wye TITLE: MAP 1 OF 4: MAP OF SURFACE WATER FLOOD EXTENTS IN NORTH-EASTHEREFORD

    SCALE @ A3: CHECKED: APPROVED:1:10,055 JG JG PROJECT NO: DESIGNED: DRAWN: DATE:70023685 SH JSdS 25/01/2019 DRAWING No: REV:0 125 250 500 APPENDIX E-5A P02

    © Crown copyright and database rights 2017 Metres © WSP UK LtdOrdnance Survey 100024168

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    3 Main Rivers ± EA Recorded Flood Outlines Herefordshire CouncilHistoric Flood Records:

    1 - 2 3 - 4 5 - 8 9 - 13 14 - 19

    Welsh Water HydraulicSewer Flood Risk Register: 1 - 2 3 - 4 5 - 7 8 - 12 13 - 22

    River Lugg Disclaimer: Not all flood incidents have been recorded and this map is based on the available data at the time. Herefordshire Council flood reports are mapped to an anonymous point on or near the street where the eventhappened. Entries on the Welsh Water flood register are plotted to the nearest OS grid. Welsh Water undertake improvementsto the network to eliminate the identified risk. Welsh Water and Herefordshire Council data were updated inDecember 2018.

    DRAWING STATUS: FOR INFORMATION ONLY

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    River Wye SITE/PROJECT:

    HEREFORDSHISFRARE LEVEL 1 TITLE:

    MAP 1 OF 4: HISTORICAL FLOOD RECORDS IN NORTH-EAST HEREFORD SCALE @ A3:1:10,055 CHECKED: JG APPROVED: JG

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    © Crown copyright and database rights 2017 Ordnance Survey 100024168

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    500 PROJECT NO:70023685 DRAWING No: D

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