The Planning System and Flood Risk Management - Offaly County ...

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425.22 Where development proposals include the construction or amendment ofbridges, culverts or similar structures the applicant should have regard to therequirements of S.50 of the Arterial Drainage Act, 1945.Planning Guidelines5.23 It is recognised that flood map data sets, predictive models of flood risk anda strategic assessment of the flood risks across a county or city area may nothave been undertaken at the time that a planning decision is required. Thisdoes not mean that the sequential approach should not be applied or that aJustification Test need not be undertaken. A precautionary approach shouldbe applied, and either the application should be refused on grounds ofprematurity or a flood risk assessment should be undertaken, and theJustification Test applied. A number of scenarios are considered below.Major proposals in areas of flood risk currently zoned fordevelopment without use of the sequential approach5.24 In these circumstances, planning authorities should ensure that an appropriateflood risk assessment is submitted by the applicant and should consider theapplication in the light of these guidelines as though the land was not zonedfor development. This will allow application of the sequential approach andproper consideration of strategic issues. With the current presumption ofdevelopment through the zoning of the area, a strategic flood risk assessmentof the general environs to the development site should be undertaken and theJustification Test carried out. The planning justification would draw uponthe rationale set out in the Guidelines. Where the information is not sufficientto fully assess the issues involved, it should be considered as premature priorto a review of flood risk in the current development plan for the area.Major proposals in areas of flood risk not currently zoned forsuch development5.25 Flood risk may arise as a significant issue for proposals for a comprehensive,large-scale regeneration or consolidation which was not considered or foreseenin the preparation or adoption of the development plan. Where a majordevelopment such as, for example, a town centre expansion or re-developmentof a dockland area is proposed which also presents significant flood risk issues,it should be considered as premature prior to undertaking a review of floodrisk in the current development plan for the area. This will allow applicationof the sequential approach and proper consideration of strategic issues in awider context to para 5.23 above and alternatives at the appropriate planmakingstage.Minor proposals in areas of flood risk5.26 Applications for minor development, such as small extensions to houses, andmost changes of use of existing buildings, are unlikely to raise significantflooding issues, unless they introduce a significant additional number ofpeople into flood risk areas or obstruct important flow paths. Since these
concern existing buildings, the sequential approach cannot be used to locatethem in lower-risk areas. However, a brief assessment of the risks of floodingshould accompany such applications to demonstrate that they would not haveadverse impacts or impede access to a watercourse, floodplain or floodprotection and management facilities.43Appeals5.27 Should an appeal against a decision be made, An Bord Pleanála should haveregard to these guidelines in the consideration and determination of the appeal.Planning Guidelines
Page 7: At the site-specific level, develop
Page 10 and 11: Planning Guidelines
Page 12 and 13: 2regard to the guidelines in the pe
Page 14 and 15: 4Planning GuidelinesReport of the F
Page 16 and 17: 6Chapter 2:Flooding - Key ConceptsP
Page 18 and 19: 82.5 Increase in flooding due to de
Page 20 and 21: 10Flood risk2.13 Understanding floo
Page 22 and 23: 122.21 In undertaking a flood risk
Page 24 and 25: 142.30 Increases in rainfall intens
Page 26 and 27: 16after periods of heavy rainfall.
Page 28 and 29: 18that also meet the objectives of
Page 30 and 31: 20more than 1 in 200). Development
Page 32 and 33: 22Government under Section 28 of th
Page 34 and 35: 24Planning GuidelinesDevelopment in
Page 36 and 37: 26Chapter 4:Flooding and Spatial Pl
Page 38 and 39: 28floodplain. Effective co-ordinati
Page 40 and 41: 30Planning GuidelinesFig. 4: Develo
Page 42 and 43: 32• Include zoning objectives to
Page 44 and 45: 34specific areas, ensuring that flo
Page 46 and 47: 36should use the flood risk informa
Page 48 and 49: 38planning authority to ensure that
Page 50 and 51: 40• these guidelines, and in part
Page 54 and 55: 44Chapter 6:ConclusionPlanning Guid
Page 56 and 57: 46TermsDefinitionPlanning Guideline
Page 64 and 65: 54Appendix A - Screening for andCar
Page 66 and 67: 56Climate changeincreased intensity
Page 68 and 69: 58Strategic assessments provide the
Page 70 and 71: 60As part of a FRA, information on
Page 72 and 73: 62A successful FRA is characterized
Page 74 and 75: 64• Suggested policies for sustai
Page 76 and 77: 66Planning Guidelines• The impact
Page 78 and 79: 68An additional document on interpr
Page 80 and 81: 70Table A2: The Flood Risk Balance
Page 82 and 83: 72Appendix B - Addressing FloodRisk
Page 84 and 85: 74Figure B2 below illustrates how t
Page 86 and 87: 76drainage processes and removing p
Page 88 and 89: 78• Signing of floodplain areas s
Page 90 and 91: 80flood level. Care must be taken t
Page 92 and 93: 82Appendix C - Frequently AskedQues
Page 94 and 95: 84What does the SFRA not provide?Th
Page 96 and 97: 86pressure in the embankment and ge
Page 98: Printed on recycled paper containin

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