Strategic Flood Risk Assessment - South Worcestershire ...

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Table 7-16: SWDP8/1 (Broomhall Community and Norton Barrack) ........................................ 86Table 7-17: SWDP8/2 (Temple Laugherne – Worcester West urban expansion) .................... 90Table 7-18: SWDP8/3 (Land to the read of Kilbury Drive) ........................................................ 94Table 7-19: SWDP9/2 (Land east of Salwarpe Road, between Canal & River Salwarpe) ....... 98Table 7-20: SWDP9/3 (Boxing Club) ......................................................................................... 102Table 7-21: SWDP9/6 (Willow Court, Westwood Road) ........................................................... 105Table 7-22: SWDP9/7 (Canal Basin Project) ............................................................................. 108Table 7-23: SWDP11/4 (Employment Site, top of Kings Road) ................................................ 111Table 7-24: SWDP13/4 (Former playing fields, Green Lane, Malvern Wells) ........................... 114Table 7-25: SWDP13/5 (Former Recreation Field – Poolbrook Close) ..................................... 118Table 7-26: SWDP13/9 (Land off Mayfield Road) ..................................................................... 122Table 7-27: SWDP16 (Three Counties Showground) ............................................................... 125Table 7-28: SWDP18/1 (Garage, High Street) .......................................................................... 129Table 7-29: SWDP18/6 Land rear of the High Street ................................................................ 132Table 7-30: SWDP19/1 (Station Road/Wyre Road, Pershore) .................................................. 135Table 7-31: SWDP23/24 (Land adjacent to Station Road) ........................................................ 139Table 7-32: SWDP23/26 (Land between High Street and Weston Road) ................................ 142Table 7-33: SWDP23/27 Land behind the High Street .............................................................. 145Table 7-34: SWDP24/8 (Site behind Hawthorne Close, off Stonebow Road ............................ 148Table 7-35: SWDP24/9 Littlebrook Nurseries............................................................................ 151Table 7-36: SWDP24/11 (Site behind Hawthorne Close, off Stonebow Road .......................... 154Table 7-37: SWDP24/13 (Land east of Stonebow Road, adjacent to railway line) ................... 158Table 7-38: SWDP24/23 (Land north of Green End & Owls Reach) ........................................ 161Table 7-39: SWDP25/9 (Land at Park Farm, Jobs Lane) .......................................................... 164Table 7-40: SWDP/VPx (Vale Park extention) .......................................................................... 168Table 8-1: Example SUDS Techniques ..................................................................................... 175Number of properties and IPPC sites at risk in the South Worcestershire Area ....................... XVIIINumber of environmental sites at risk in the South Worcestershire Area ................................. XIXKey SFRA meetings and communications ................................................................................ XXII2012s5947 S Worcestershire Level 2 SFRA Update FINAL Report v1.0.doc 2
Abbreviations and Glossary of Terms1D model2D modelAEPCCCDACFMPCIRIACumecsTermDefraDEMDPDDTMEAEUFEHFMfSWFlood defenceFlood Risk AreaFlood Risk RegulationsFloods and WaterManagement ActFluvial FloodingFRAFRMFZHaHOSTIDBJBALDDsLDFLFRMSLIDARLLFALPAmAODMain RiverMHDCNFCDDNPPFDefinitionOne-dimensional hydraulic modelTwo-dimensional hydraulic modelAnnual Exceedance ProbabilityClimate change- Long term variations in global temperature and weather patternscaused by natural and human actions.Critical Drainage Area - A discrete geographic area (usually a hydrologicalcatchment) where multiple and interlinked sources of flood risk (surface water,groundwater, sewer, main river and/or tidal) cause flooding in one or more LocalFlood Risk Zones during severe weather thereby affecting people, property or localinfrastructure.Catchment Flood Management Plan- A high-level planning strategy through whichthe Environment Agency works with their key decision makers within a rivercatchment to identify and agree policies to secure the long-term sustainablemanagement of flood risk.Construction Industry Research and Information AssociationThe cumec is a measure of flow rate. One cumec is shorthand for cubic metre persecond; also m 3 /s (m 3 s−1).Department for Environment, Food and Rural AffairsDigital Elevation ModelDevelopment Plan DocumentsDigital Terrain ModelEnvironment AgencyEuropean UnionFlood Estimation HandbookFlood Map for Surface WaterInfrastructure used to protect an area against floods as floodwalls andembankments; they are designed to a specific standard of protection (designstandard).An area determined as having a significant risk of flooding in accordance withguidance published by Defra and WAG (Welsh Assembly Government).Transposition of the EU Floods Directive into UK law. The EU Floods Directive is apiece of European Community (EC) legislation to specifically address flood risk byprescribing a common framework for its measurement and management.Part of the UK Government's response to Sir Michael Pitt's Report on the Summer2007 floods, the aim of which is to clarify the legislative framework for managingsurface water flood risk in England.Flooding resulting from water levels exceeding the bank level of a main riverFlood Risk Assessment - A site specific assessment of all forms of flood risk to thesite and the impact of development of the site to flood risk in the area.Flood Risk ManagementFlood ZonesHectareA delineation of UK soil types according to their hydrological properties to producethe 29-class Hydrology of Soil Types (HOST) classification. It is available as a 1kmgrid.Internal Drainage BoardJeremy Benn AssociatesLocal Development DocumentsLocal Development FrameworkLocal Food Risk Management StrategyLight Detection and RangingLead Local Flood Authority - Local Authority responsible for taking the lead on localflood risk managementLocal Planning Authoritymetres Above Ordnance DatumA watercourse shown as such on the Main River Map, and for which theEnvironment Agency has responsibilities and powersMalvern Hills District CouncilNational Flood and Coastal Defence DatabaseNational Planning Policy Framework2012s5947 S Worcestershire Level 2 SFRA Update FINAL Report v1.0.doc 3
Page 1 and 2: 2012s5947 South WorcestershireStrat
Page 4 and 5: ContractThis Level 2 Strategic Floo
Page 6: Executive SummaryThis report is an
Page 12 and 13: NRDOrdinary WatercourseOS NGRPFRAPi
Page 14 and 15: identify the level of detail requir
Page 16 and 17: 1.4 Approach1.4.1 General Assessmen
Page 18 and 19: 1.5.3 Severn Trent WaterSevern Tren
Page 20 and 21: 2 The Planning Framework and Flood
Page 22 and 23: Additionally Provision 110 of the A
Page 24 and 25: Risk ManagementAuthority (RMA)Distr
Page 26 and 27: 3 Understanding Flood Risk in South
Page 28 and 29: earth embankment, flood wall and fl
Page 30 and 31: 4 How Flood Risk is Assessed4.1 Def
Page 32 and 33: Zone 1Zone 2Zone 3aZone 3bTable 4-1
Page 34 and 35: etween the proposed level of commit
Page 36 and 37: 5 Mapping and risk based approach5.
Page 38 and 39: The ability to manage flood risk fo
Page 40 and 41: Stage 3 - Applying the Sequential T
Page 42 and 43: 6 Overview of future developmentThe
Page 44 and 45: A proposed 340 dwelling have been a
Page 46 and 47: Figure 6-5: Proposed Pershore Alloc
Page 48 and 49: 6.3 Windfall sitesWindfall is unall
Page 50 and 51: 7 Summary assessment of SWDP develo
Page 52 and 53: SUDS TypeSource ControlsTable 7-2:
Page 54 and 55: 7.4 Summary tables and mapsTable 7-
Page 56 and 57: SUDS and the development site:SUDS
Page 58 and 59: Sources of Flood Risk:Primary flood
Page 60 and 61:
Table 7-5: LP1 (Ivy Lane)OS NGR: SP
Page 62 and 63:
SUDS and the development site:SUDS
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Sources of Flood Risk:Primary flood
Page 66 and 67:
Table 7-7: 2012SC (Stonebridge Cros
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emergence. Further assessment of gr
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Table 7-10: SWDP6/NEWJ (Land North
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Estimated Attenuation Storage Volum
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Page 82 and 83:
Table 7-12: SWDP6/6 (Old Northwick
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Soil TypeGreenfield Runoff Rate (l/
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Sources of Flood Risk:Surface water
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Table 7-14: SWDP6/21 (Former Hallow
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SUDS and the development siteSUDS T
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Table 7-16: SWDP8/1 (Broomhall Comm
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Surface water presents a risk to th
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Table 7-17: SWDP8/2 (Temple Laugher
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A44 Bromyard road, the A4440 Grove
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Table 7-18: SWDP8/3 (Land to the re
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impermeable surfaces may result in
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Table 7-19: SWDP9/2 (Land east of S
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impermeable surfaces may result in
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Table 7-20: SWDP9/3 (Boxing Club)OS
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Page 114 and 115:
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Table 7-22: SWDP9/7 (Canal Basin Pr
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Soil TypeGreenfield Runoff Rate (l/
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Sources of Flood Risk:The main sour
Page 122 and 123:
Table 7-24: SWDP13/4 (Former playin
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Surface Water Drainage:As an indica
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Table 7-25: SWDP13/5 (Former Recrea
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Table 7-26: SWDP13/9 (Land off Mayf
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Greenfield Runoff Rate (l/s/ha)Esti
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eceiving watercourse to ensure flow
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Table 7-29: SWDP18/6 Land rear of t
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New or re-development should adopt
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Table 7-32: SWDP23/26 (Land between
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Table 7-34: SWDP24/8 (Site behind H
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Page 160 and 161:
Page 162 and 163:
Table 7-36: SWDP24/11 (Site behind
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overtopping of an unnamed tributary
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Table 7-37: SWDP24/13 (Land east of
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Page 170 and 171:
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Table 7-39: SWDP25/9 (Land at Park
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access roads to the site are at ris
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Table 7-40: SWDP/VPx (Vale Park ext
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8 FRA requirements for developers8.
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Figure 8-1: Rationale for flood res
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Local planning bodies should:Promot
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Temporary BarriersTemporary barrier
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flood risk. Development locations s
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9 Recommended policy for management
Page 192 and 193:
10 Outcomes10.1 Summary of work und
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Appendices2012s5947 S Worcestershir
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AFlood Zone mapping2012s5947 S Worc
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BClimate change mapping2012s5947 S
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CHazard mapping2012s5947 S Worceste
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DSurface water flood risk mapping20
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D.2 200 years2012s5947 S Worcesters
Page 206 and 207:
EFloodplain policy mapping2012s5947
Page 208 and 209:
FSummary of risk to all proposed al
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GProperty and critical infrastructu
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Number of environmental sites at ri
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HConsultation and communication2012
Page 216:
Offices atAtherstoneDoncasterEdinbu
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