Appendix D - User Guide - London Borough of Richmond upon
Contents
1. Council Planners must work through The Sequential Test refer SFRA Section 6 4 1 before considering the nature of Fr mon m mtr rrr rrr rns nnn the development as outlined below Development must be restricted to water PERE No compatible uses PPS25 Table D2 Is proposed allocation situated Is proposed allocation an within Zone 3b Functional isting developed site Floodplain Yes i a ial Development must be restricted in Yes accordance with Section 6 4 of the SFRA No within Zone 3a High within Zone 2 Medium highly vulnerable PPS25 Table Probability Probability D2 Is proposed allocation situated Is proposed allocation situated Is proposed land use categorised as Is proposed land use categorised as No PPS25 related constraints less vulnerable PPS25 Table D2 Yes upon development No Yes ES E E ATE aaah ce a Seebedostecececteus It is necessary for the development to pass The Exception Test It must be demonstrated that the development provides wider sustainability benefits to the community that outweigh flood risk The development should be on developable previously developed land If it is not on previously developed land then there must be no reasonable alternative sites on developable previously developed land Planning conditions must be in place to ensure that the development will be safe without increasing the flood risk elsewhere and where possible will reduce flood risk overall F2. IGURE A1 Richmond Borough Strategic Flood Risk Assessment User Guide Planning Developers must work through The Development must be restricted to water i Is development situated within compatible uses PPS25 Table D2 fer SERA Section 6 41 befor Zone 3b Functional Poeun er considering the nature of the development Floodplain site Development must be restricted in as outlined below accordance with Section 6 4 of the SFRA Is development situated within Zone 2 Medium Probability Is proposed land use categorised as highly vulnerable PPS25 Table D2 N Is development situated within Zone 3a High Probability Yes ls proposed land use categorised as PPS25 is satisfied A drainage impact assessment is less vulnerable PPS25 Table D2 required to ensure development does not exacerbate localised flooding problems elsewhere Within Zone 2 Medium Probability it will be necessary to demonstrate that the residual risk of flooding to the property is Yes PPS25 is satisfied A detailed FRA must effectively managed through for example the raising demonstrate the risk to property and life within of floor levels and the provision of a planned the site due to flooding can be mitigated over evacuation route and or safe haven the lifetime of the development resulting in no Refer SFRA Section 6 4 worsening to adjoining properties Refer SFRA Section 6 4 It is necessary for the development to p
3. ass The Exception Test The developer must demonstrate that the development provides wider sustainability benefits to the community that outweigh flood risk If not on previously developed land the developer must demonstrate that there are no reasonable alternative sites on developable previously developed land A detailed FRA must demonstrate that the risk to property and life within the site due to flooding can be mitigated over the lifetime of the development resulting in no worsening to adjoining properties Where FIGURE A2 possible a reduction in flood risk should be sought Richmond Borough Refer SFRA Section 6 4 JE J ACOBS Strategic Flood Risk Assessment User Guide Development Control
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