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Level 2 Strategic Flood Risk Assessment (.pdf ... - Wigan Council

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JBA Consulting - Engineers Scientistswww.jbaconsulting.co.uk348 EM1A20 c Westwood Park ELA 1.89 0.00 0.00 0.01 0.77 0.07 3.75 0.08 4.43 0.08 4.43 8.95 0.04 2.15 0.00 0.18 0.00 0.00 2.32 Small area in FZ3b. Constraint noted in ELA.No development within FZ3 areas and areas identified at either intermediate or high risk of surface water flooding. These areas areto be designated as public open space/water compatible uses onlyThis site has been removed from the Functional <strong>Flood</strong>plain (<strong>Flood</strong> Zone 3b) and re-classified as <strong>Flood</strong> Zone 3a because the minimum standard of defence at the site has been assessed to be 5%AEP or greater (taking into account both Environment Agency and other defences). This re-classification assumes that a minimum standard of defence of 5% AEP or greater is maintained for thelifetime of the proposed development, including an allowance for climate change. If this minimum standard of defence is not maintained for the lifetime of the proposed development, a proportion ofthe site (Column Z) would be re-designated as <strong>Flood</strong> Zone 3b.This site has been removed from the Functional <strong>Flood</strong>plain (<strong>Flood</strong> Zone 3b) and re-classified as <strong>Flood</strong> Zone 3a because the minimum standard of defence at the site has been assessed to be 5%AEP or greater (taking into account both Environment Agency and other defences). This re-classification assumes that a minimum standard of defence of 5% AEP or greater is maintained for thelifetime of the proposed development, including an allowance for climate change. If this minimum standard of defence is not maintained for the lifetime of the proposed development, a proportion ofthe site (Column Z) would be re-designated as <strong>Flood</strong> Zone 3b.348 EM1A20 b Westwood Park ELA 5.38 0.00 0.00 0.07 1.28 1.58 29.35 0.39 7.31 0.39 7.31 37.94 0.45 8.31 0.29 5.31 0.00 0.00 13.62 Small area in FZ3b and area of intermediate surface water. Constraints noted in ELA.No development within FZ3 areas and areas identified at either intermediate or high risk of surface water flooding. These areas areto be designated as public open space/water compatible uses only349 EM1A24 a Springfield and Miry Lane ELA 2.08 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.47 0.00 0.00 0.00 0.00 0.47 NA362 EM1A28 a Richmond Hill Industrial Estate ELA 0.15 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 NAThis site has been removed from the Functional <strong>Flood</strong>plain (<strong>Flood</strong> Zone 3b) and re-classified as <strong>Flood</strong> Zone 3a because the minimum standard of defence at the site has been assessed to be 5%AEP or greater (taking into account both Environment Agency and other defences). This re-classification assumes that a minimum standard of defence of 5% AEP or greater is maintained for theNo development within FZ3 areas and areas identified at either intermediate or high risk of surface water flooding. These areas arelifetime of the proposed development, including an allowance for climate change. If this minimum standard of defence is not maintained for the lifetime of the proposed development, a proportion of150 SP6 Northleigh Candidate Key <strong>Strategic</strong> Sites 75.17 0.24 0.32 0.01 0.01 0.08 0.11 3.21 4.27 3.10 4.13 4.70 5.10 6.79 4.30 5.73 3.39 4.50 17.02 Constraint noted. Size of site means that development in flood zone can be avoided/mitigated.to be designated as public open space/water compatible uses onlythe site (Column Z) would be re-designated as <strong>Flood</strong> Zone 3b.No development within FZ3 areas and areas identified at either intermediate or high risk of surface water flooding. These areas are11 SP4 The Bell, Orrell Candidate Key <strong>Strategic</strong> Sites 62.26 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 6.84 10.98 3.25 5.22 0.05 0.08 16.27 Constraint noted. Size of site means that development in surface water can be avoided/mitigated.to be designated as public open space/water compatible uses onlyNAThis site has been removed from the Functional <strong>Flood</strong>plain (<strong>Flood</strong> Zone 3b) and re-classified as <strong>Flood</strong> Zone 3a because the minimum standard of defence at the site has been assessed to be 5%AEP or greater (taking into account both Environment Agency and other defences). This re-classification assumes that a minimum standard of defence of 5% AEP or greater is maintained for theNo development within FZ3 areas and areas identified at either intermediate or high risk of surface water flooding. These areas arelifetime of the proposed development, including an allowance for climate change. If this minimum standard of defence is not maintained for the lifetime of the proposed development, a proportion of9 SP8 Firs Lane/Plank Lane Canalside Candidate Key <strong>Strategic</strong> Sites 21.08 7.07 33.53 0.01 0.07 0.05 0.23 2.57 12.20 1.78 8.44 46.03 1.78 8.46 2.19 10.41 1.79 8.50 27.36 Constraint noted. Size of site means that development in flood zone can be avoided/mitigated.to be designated as public open space/water compatible uses onlythe site (Column Z) would be re-designated as <strong>Flood</strong> Zone 3b.This site has been removed from the Functional <strong>Flood</strong>plain (<strong>Flood</strong> Zone 3b) and re-classified as <strong>Flood</strong> Zone 3a because the minimum standard of defence at the site has been assessed to be 5%AEP or greater (taking into account both Environment Agency and other defences). This re-classification assumes that a minimum standard of defence of 5% AEP or greater is maintained for theNo development within FZ3 areas and areas identified at either intermediate or high risk of surface water flooding. These areas arelifetime of the proposed development, including an allowance for climate change. If this minimum standard of defence is not maintained for the lifetime of the proposed development, a proportion of8 SP10 Garrett Hall, Tyldesley Candidate Key <strong>Strategic</strong> Sites 45.25 0.50 1.11 0.05 0.11 0.24 0.54 2.12 4.69 2.01 4.45 6.45 1.03 2.27 2.66 5.88 1.81 3.99 12.14 Constraint noted. Size of site means that development in flood zone can be avoided/mitigated.to be designated as public open space/water compatible uses onlythe site (Column Z) would be re-designated as <strong>Flood</strong> Zone 3b.7 SP9 East of Atherton/Shakerley Lane, Tyldesley Candidate Key <strong>Strategic</strong> Sites 42.13 0.00 0.00 0.14 0.33 0.66 1.56 0.00 0.00 0.00 0.00 1.89 1.71 4.05 1.16 2.75 0.04 0.10 6.90 NAThis site has been removed from the Functional <strong>Flood</strong>plain (<strong>Flood</strong> Zone 3b) and re-classified as <strong>Flood</strong> Zone 3a because the minimum standard of defence at the site has been assessed to be 5%AEP or greater (taking into account both Environment Agency and other defences). This re-classification assumes that a minimum standard of defence of 5% AEP or greater is maintained for theNo development within FZ3 areas and areas identified at either intermediate or high risk of surface water flooding. These areas arelifetime of the proposed development, including an allowance for climate change. If this minimum standard of defence is not maintained for the lifetime of the proposed development, a proportion of5 SP5 South of Hindley Candidate Key <strong>Strategic</strong> Sites 109.21 0.02 0.02 0.01 0.00 0.07 0.07 0.83 0.76 0.78 0.71 0.85 4.49 4.11 3.89 3.56 0.23 0.21 7.89 Constraint noted. Size of site means that development in flood zone can be avoided/mitigated.to be designated as public open space/water compatible uses onlythe site (Column Z) would be re-designated as <strong>Flood</strong> Zone 3b.4 SP11b Stubshaw Cross Candidate Key <strong>Strategic</strong> Sites 32.55 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.33 4.09 0.08 0.24 0.00 0.00 4.33 NANo development within FZ3 areas and areas identified at either intermediate or high risk of surface water flooding. These areas are3 SP11a Landgate Candidate Key <strong>Strategic</strong> Sites 45.51 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.47 5.44 5.26 11.56 2.14 4.69 21.69 Constraint noted. Size of site means that development in surface water can be avoided/mitigated.to be designated as public open space/water compatible uses onlyNAN:\2009\Projects\2009s0578 - <strong>Wigan</strong> Metropolitan Borough <strong>Council</strong> - <strong>Wigan</strong> Borough <strong>Level</strong> 2 SFRA\Deliverables\Final with EA Comments v5.0\Sequential Testing\Sequential Testing of Development Sites - 5.0 Final with EA Comments.xls Page 3 of 3

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