Reference Documents - MCU23 0058 (As Published)

                                              Flood Hazard Overlay Code
                 Table 3-1l: Criteria for assessable development (Source: Table 8.2.6.3 Flood Hazard Overlay Code, Noosa Shire Council PSP)

                  Performance outcomes                                             Acceptable outcomes                                                      Performance solution / notes

                  Floodplain protection, immunity and safety - for development areas
                  PO1                                                  AO1                                                                                   AO1 satisfied.
                  Development provides that for all flood events up    The finished flood level is not less than the minimum
                  to and including the DFE:                            design levels specified in Table 8.2.6.4
                     a) the safety of people on the site is protected;
                         and
                     b) the risk of damage to property on the site is
                         avoided or minimised as far as practicable.
                  PO2                                                                AO2                                                                     AO2 satisfied.
                  All lots have sufficient area that is                              The minimum area above flood level (flood free
                  above the DFE flood level or where modelling is not                area) for each lot, is in accordance with Table 8.2.6.5.
                  available, the highest recorded flood level, to safely
                  and adequately accommodate the intended use.

                  PO3                                                                AO3                                                                     Performance solution proposed:
                  For reconfiguring a lot or operational works,                      Development areas are not filled to reduce flood                           •  Fill is provided to achieve minimum floor level
                  development is undertaken in a manner that                         risk.                                                                         of 109.230, satisfying performance objective
                  ensures:                                                                                                                                         PO1.
                    a) natural hydrological systems are protected                                                                                               •  Terracing is stabilised with retaining walls to
                         from erosion, scour or flood damage on the                                                                                                protect the proposed development from
                         premises or other premises;                                                                                                               erosion, scour or flood damage.
                    b) natural landforms and drainage lines are                                                                                                 •  Existing swales that are impacted by the
                         maintained to protect the hydraulic                                                                                                       extent of proposed are re-established at the
                         performance of waterways and flood plain;                                                                                                 site to maintain drainage lines at the site.
                         and                                                                                                                                    •  Extent of fill is minimised, balancing the need
                    c) development integrates with the natural                                                                                                     to meet other performance objectives
                         landform rather than modifying the                                                                                                        described in the flood hazard overlay. The
                         landform to suit the development as far as                                                                                                proposed increase in fill footprint is
                         practicable.                                                                                                                              approximately < 20% and is minor in
                                                                                                                                                                   comparison to the overall floodplain area.

                  Resilient building design and form

                  PO6 works                                                          AO6.1                                                                   Building incorporates screening beneath the
                  Development ensures that building design                           Buildings are designed to integrate well with the                       gymnasium that does not impede flood flows,
                  and building form:                                                 street level and the levels of adjoining properties to                  meeting AO6.2. Performance Objective PO6
                      a) accounts for potential flood risk;                          facilitate pedestrian flows and visual and physical                     satisfied.
                      b) is resilient to flood events; and                           connectivity between the footpath and ground
                     a) maintains a functional and attractive street                 floors.
                         address appropriate to the intended use.
                                                                                     AO6.2
                                                                                     Buildings incorporate appropriate screening to
                                                                                     ensure that any under-storey is not visible from the
                                                                                     street, where such screening does not impede flood
                                                                                     water flows.

                                                                                     AO6.3
                                                                                     Residential buildings minimise risk from flooding by
                                                                                     providing parking and other low intensive, non-
                                                                                     habitable uses at ground level, rather than habitable
                                                                                     uses.

                                                                                     AO6.4
                                                                                     Non-residential buildings and structures are
                                                                                     oriented to the street by activating the
                                                                                     street frontage with appropriate uses and urban
                                                                                     design treatments such as recessed wall treatments,
                                                                                     screening or landscaping, whilst allowing for flow
                                                                                     through of flood waters on the ground floor.

                                                                                     Editor's Note— The use of flood resilient building materials is also
                                                                                     encouraged for building works up to the probable maximum flood to
                                                                                     reduce the consequences of flooding.


                                                                                     AO6.5
                                                                                     Basements and underground car parking areas are
                                                                                     designed to drain and function safely during a flood
                                                                                     event and power failure.

                                                                                     Editor's note—Basements should have flood immunity above the
                                                                                     1%AEP defined flood event with alternative means to mechanical
                                                                                     pumping used to achieve such immunity.




                 23-0102-SMP01-V1A | Preliminary Stormwater Management Plan | Cooroy Sportsground Preliminary SMP

Document Set ID: 22785418
Version: 1, Version Date: 29/01/2024