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Proposed Floods Bill for Northern Ireland
2.17NI-wide·PPS 15 Planning and Flood Risk (Revised)
The development of a new Floods Bill for Northern Ireland is due to be progressed. The Bill will provide a wider range of duties and powers for the effective delivery of Flood Risk Management. These i
flood-riskdrainagestructuralRestrictions on Building Over Culverted Watercourses
6.33NI-wide·PPS 15 Planning and Flood Risk (Revised)
There is a general presumption against the erection of buildings or other structures over the line of a culverted watercourse in order to facilitate replacement, maintenance or other necessary operati
site-planningdrainageflood-riskstructuralCulverting in exceptional circumstances
6.53NI-wide·PPS 15 Planning and Flood Risk (Revised)
It is acknowledged that in exceptional circumstances, culverting of a section of a watercourse may be unavoidable. This may apply where there are insurmountable inherent structural problems such as sl
flood-risksite-planningstructuralWater Impounding Structures and Flood Risk
6.55-6.56NI-wide·PPS 15 Planning and Flood Risk (Revised)
Water impounding structures such as reservoirs or dams constitute a potential source of flood risk that can have serious consequences. Flooding of downstream areas within what is known as the area of
flood-risksite-planningstructuralEssential infrastructure and hazardous substance storage in flood areas
6.63NI-wide·PPS 15 Planning and Flood Risk (Revised)
Any proposed development for essential infrastructure, such as for emergency services / depots, transport or utilities and also development for the storage of hazardous substances will need to demonst
non-domesticfire-safetystructuralBuilding replacement within flood inundation areas
6.64NI-wide·PPS 15 Planning and Flood Risk (Revised)
The replacement of a building within a flood inundation area will generally be acceptable as in most cases this ought not to affect the potential future flood risk area. Where the Flood Risk Assessmen
fire-safetystructuralPassive resistance measures
E6NI-wide·PPS 15 Planning and Flood Risk (Revised)
Passive resistance is where the flood mitigation is permanently in place. This is generally more feasible in new developments where the property is designed so that flood water is excluded from the bu
flood-riskstructuralsite-planningDeeper foundations
E6NI-wide·PPS 15 Planning and Flood Risk (Revised)
This may be appropriate in permeable types of ground, such as sand and gravels, where high ground water and flood water is able, under pressure, to infiltrate into the property from below the foundati
flood-riskstructuralsite-planningTanking of internal floors and basement walls
E6NI-wide·PPS 15 Planning and Flood Risk (Revised)
This measure may be used to prevent flood water or high groundwater entering the building. It involves the use of solid concrete walls and floors, which are then sealed with waterproof membranes / she
flood-riskstructuralsite-planningWater Resistant Walls
NI-wide·PPS 15 Planning and Flood Risk (Revised)
The building structure is designed using flood resistant materials that are able to reduce or stop the infiltration of water through the external walls. Solid walls can be constructed instead of cavit
fire-safetyflood-resistancestructuralResilience
NI-wide·PPS 15 Planning and Flood Risk (Revised)
Resilience sometimes known as 'wet-proofing', resilience relates to how a building is constructed in such a way that, although flood water may enter the building, its impact is minimised, structural i
flood-riskstructuralResistance (Dry-Proofing)
NI-wide·PPS 15 Planning and Flood Risk (Revised)
Resistance sometimes known as 'dry-proofing', this relates to how a building is constructed to prevent flood water entering the building or damaging its fabric.
fire-safetystructuraldrainage