Strategic Flood Risk Assessment - South Worcestershire ...

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emergence. Further assessment of groundwater risk would be required and anassessment of suitable surface water mitigation techniques should be made at thedetailed FRA level.The A4104 Drake Street road and the B4028, the main access roads to the site, areat risk from surface water. Suitable alternative access arrangements away from thefloodplain will need to be investigated further.Demonstration that development at this location can be made safe.2012s5947 S Worcestershire Level 2 SFRA Update FINAL Report v1.0.doc 64
Table 7-9: SWDP6/NEWB (A44 Service Station Bromyard Road)OS NGR: SO 827542 Area: 1.1ha Brown/Greenfield: Brownfield \GreenfieldFlood Zone Coverage: FZ3a: 14% FZ3b: 32% FZ2: 21% FZ1: 33%Exception Test required? Yes, for Essential Infrastructure in FZ3b, for More Vulnerabledevelopment in FZ3a and for Highly Vulnerable development in FZ2.Highly Vulnerable infrastructure should not be permitted within FZ3a. More Vulnerable and LessVulnerable Infrastructure should not be permitted within FZ3b.Requirements for passing the Exception Test:To pass Part ‘b’ of the Exception Test, a FRA should demonstrate that: thedevelopment will be safe, will avoid increasing flood risk elsewhere, and will reduceflood risk overall.Preference should be given to water compatible and less vulnerable development atthis site. Development should be located away from the Laughern Brook and FloodZone 2 and 3 by using sequential design to locate more vulnerable developmenttowards higher ground, through building design, and by meeting drainagerequirements.Safe access and egress would need to be demonstrated.Consultation with the Local Authority and the Environment Agency should beundertaken at an early stage.2012s5947 S Worcestershire Level 2 SFRA Update FINAL Report v1.0.doc 65
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2012s5947 South WorcestershireStrat
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ContractThis Level 2 Strategic Floo
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Executive SummaryThis report is an
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Table 7-16: SWDP8/1 (Broomhall Comm
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NRDOrdinary WatercourseOS NGRPFRAPi
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identify the level of detail requir
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1.4 Approach1.4.1 General Assessmen
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1.5.3 Severn Trent WaterSevern Tren
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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 66 and 67: Table 7-7: 2012SC (Stonebridge Cros
Page 76 and 77: Table 7-10: SWDP6/NEWJ (Land North
Page 78 and 79: Estimated Attenuation Storage Volum
Page 82 and 83: Table 7-12: SWDP6/6 (Old Northwick
Page 84 and 85: Soil TypeGreenfield Runoff Rate (l/
Page 86 and 87: Sources of Flood Risk:Surface water
Page 88 and 89: Table 7-14: SWDP6/21 (Former Hallow
Page 90 and 91: SUDS and the development siteSUDS T
Page 94 and 95: Table 7-16: SWDP8/1 (Broomhall Comm
Page 96 and 97: Surface water presents a risk to th
Page 98 and 99: Table 7-17: SWDP8/2 (Temple Laugher
Page 100 and 101: A44 Bromyard road, the A4440 Grove
Page 102 and 103: Table 7-18: SWDP8/3 (Land to the re
Page 104 and 105: impermeable surfaces may result in
Page 106 and 107: Table 7-19: SWDP9/2 (Land east of S
Page 108 and 109: impermeable surfaces may result in
Page 110 and 111: Table 7-20: SWDP9/3 (Boxing Club)OS
Page 112 and 113: Estimated Attenuation Storage Volum
Page 116 and 117: Table 7-22: SWDP9/7 (Canal Basin Pr
Page 118 and 119: Soil TypeGreenfield Runoff Rate (l/
Page 120 and 121: Sources of Flood Risk:The main sour
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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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Sources of Flood Risk:Primary flood
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eceiving watercourse to ensure flow
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Sources of Flood Risk:The main sour
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Table 7-29: SWDP18/6 Land rear of t
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Estimated Attenuation Storage Volum
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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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Sources of Flood Risk:The main sour
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Table 7-34: SWDP24/8 (Site behind H
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SUDS and the development site:SUDS
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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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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
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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
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EFloodplain policy mapping2012s5947
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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
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Offices atAtherstoneDoncasterEdinbu
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