Appendix J - Civil Engineering Report and SBSMP

Noosa Shire Council – The Noosa Plan 2020
Flood Hazard Overlay Code
Performance Criteria and Acceptable Solutions




 PERFORMANCE OUTCOMES                                             ACCEPTABLE OUTCOMES                                          COMMENTS
 PO5                                                              AO5                                                          N/A Noosa Shire Council mapping
 For reconfiguring a lot or operational works, development        In the Flood Hazard Overlay, or in areas otherwise           indicates that the development is
 does not directly, indirectly or cumulatively alter the flood    determined to be subject to the DFE or DSTE, development     outside flood effected areas.
 characteristics external to the development site for all
                                                                  ensures:
 flooding and inundation events up to and including
 the DFE or DSTE based on:                                                  1. there is no loss of on-site flood storage
                                                                               capacity;
              1. current climate conditions; and                            2. all changes to level, depth, duration and
              2. incorporating an appropriate allowance for the                velocity of floodwaters are contained within
                 predicted impacts of climate change.                          the site for all flood events up to and
                                                                               including the DFE based on current climate
                                                                               and predicted impacts of climate change at
                                                                               2100;
                                                                            3. there is no acceleration or retardation of
                                                                               flows, or any retardation in flood warning
                                                                               times, elsewhere on the floodplain and to any
                                                                               overland flow paths; and
                                                                            4. there is no increased stormwater ponding on
                                                                               sites upstream, downstream or in the general
                                                                               vicinity of the site.
 Resilient building design and form                               AO6.1                                                        N/A Noosa Shire Council mapping
 PO6                                                              Buildings are designed to integrate well with the street     indicates that the development is
 Development ensures that building design and building form:      level and the levels of adjoining properties to facilitate   outside flood effected areas.
          1. accounts for potential flood risk;
                                                                  pedestrian flows and visual and physical connectivity
          2. is resilient to flood events; and
                                                                  between the footpath and ground floors.




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June 2021