Strategic Flood Risk Assessment - South Worcestershire ...

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7.4 Summary tables and mapsTable 7-3: 37-N16 (Land to the West of Abbey Road, South of Boat Lane)OS NGR: SP 031435 Area: 10.4ha Brown/Greenfield: GreenfieldFlood Zone Coverage: FZ3a: 0% FZ3b:
Sources of Flood Risk:The main source of flood risk to the site is from surface water. Surface water isshown to cover parts of the main access roads to the site including the A4184 AbbeyRoad and the minor roads of Abbey Lane and Boat Lane.The western edge of the site falls within Flood Zone 2 and Flood Zone 3b. Primaryfluvial risk is to the western edge of the site resulting from overtopping of the RiverAvon. The western edge of the site is located in the Blue Zone of the Policy Maps.Sections of the A4184 Abbey Road and Boat Lane, some of the main access roadsto the site, fall within Flood Zone 3.Surface Water Drainage:As an indication of requirements to manage surface water runoff at the development site anassessment of the soil types, greenfield runoff rate and attenuation storage volume is includedbelow. Storage volumes displayed are calculated with an assumption that 75% of the site will bedeveloped impermeable ground. A 25% increase in rainfall depths has been included torepresent predicted future climate change effects.PLEASE NOTE: This assessment has been carried out using broad-scale datasets and aims toprovide an indication of the likely opportunities and constraints for this development site. Adetailed drainage assessment based on site-specific conditions should be carried out by asuitably qualified professional and submitted with any planning application. The values belowshould not be used for design purposes.Soil TypeGreenfield Runoff Rate (l/s/ha)Fluvial DepositsEstimated Attenuation Storage Volume (m 3 ) 3,536 – 4,898.41 in 2 year 101 in 100 year (plus climate change) 39.42012s5947 S Worcestershire Level 2 SFRA Update FINAL Report v1.0.doc 47
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2012s5947 South WorcestershireStrat
Page 4 and 5: ContractThis Level 2 Strategic Floo
Page 6: Executive SummaryThis report is an
Page 10 and 11: Table 7-16: SWDP8/1 (Broomhall Comm
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 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 72 and 73: emergence. Further assessment of gr
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
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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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Estimated Attenuation Storage Volum
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Sources of Flood Risk:Primary flood
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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
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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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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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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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