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

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34specific areas, ensuring that flood hazard and risk to other locationswill not be increased or, if possible, will be reduced.Planning GuidelinesLocal Area Plans4.27 The preparation of a development plan in accordance with these guidelinesshould identify the key flooding issues that need to be addressed from a localspatial planning perspective. In other words, the context for subsequent localarea plans (LAPs) should be clear. The local area plan is now an importantpart of the planning process allowing for more detailed and area-basedplanning. Many LAPs are equivalent in size to smaller development plansand will follow the methodology outlined above for development plans. Inother cases, planning authorities should use their discretion in addressingflood risk in a manner more appropriate to small-scale LAPs.4.28 In any event, SEA is mandatory for LAPs covering towns with a populationof 10,000 or more. LAPs below this threshold should also be subject to SEAscreening, which should highlight any local flooding issues. The flood riskassessment used to inform the development plan should identify the scaleand extent of any potential larger flood risk issues. Informal, non-statutorylocal plans should not be used in areas of significant flood hazard.Photo 5: Letterkenny, illustrating the relationship between theGateway town, the River Swilly and its estuary
Chapter 5:Flooding and DevelopmentManagement35• Development management should follow the sequential approach in aimingto avoid development in areas at risk of flooding.• Applicants may need to submit an appropriate flood risk assessment withthe application and planning authorities should take this fully into accountin determining an application.• Only where development within flood risk areas, that would be defined asinappropriate under the screening process set out in paragraphs 3.6 and 3.7,is considered to be necessary to meet the objectives of proper planning andsustainable development, and no alternative sites of lower risk are availablefor the development, should that development be subject to the JustificationTest.• Many of the flood risk issues should have been raised within strategicassessments undertaken by local authorities at the plan-making stage.Therefore, as more plans are reviewed and zoning reconsidered, there willbe less need for development management to consider the wider applicationof the sequential approach.• Pending the introduction of development plans consistent with theseguidelines, planning authorities should follow the advice of section 5.24.• When development plans are consistent with these guidelines, a greater focuswill then be directed towards siting and design issues that minimise floodrisk to the development, manage residual risks to an acceptable level andavoid adverse impacts elsewhere. Where a strategic flood risk assessmenthas not been completed, there is potential for planning applications submittedthrough the development management process to be considered as premature.The role of good development management5.1 These guidelines aim to achieve best practice in dealing with flooding indevelopment management. Development management for flooding shouldbe based on sound strategy, policies and objectives within the developmentplan and LAP where appropriate, which set out the basis for consideringplanning applications in principle and in detail. Efficient processes andcommunications will be required to ensure full consideration of flooding.Where the development plan or LAP has been adopted before publication ofthese guidelines and is yet to be reviewed in their light, planning authoritiesPlanning 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 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 52 and 53: 425.22 Where development proposals
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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