MCU Report Appendix D Overlay Codes · MCU13/0211

Overlay - Flood Hazard
                               Column 1                                                            Column 2                                                           Column 3
                           Specific Outcomes                                                 Probable Solutions                                                      Compliance
      AND                                                              the Australian Rainfall and Runoff Guide), all lots have access
                                                                       to the flood free area that matches the road immunity;
                                                                       AND


      O20 Development integrates with the natural landform rather      S20.1 Flood immunity for development areas is not achieved             Some filling of the site is required to achieve minimum
      than modifying the landform to suit the development.1            by filling land below the 1% AEP (1:100 year ARI) flood level;         floor heights as well as ensuring open space and
                                                                       or                                                                     recreational areas are integrated with the habitable areas.
                                                                       S20.2 Where modelling is not available, flood immunity for
                                                                       development areas is not achieved by filling land below the
                                                                       highest recorded flood level.

      O21 Filling or excavation only occurs where it does not          No solution provided.                                                  Conditions - may be imposed in this regard
      adversely impact on—
      a)    watercourses, drainage lines and wetlands; and
      b)    vegetation on land identified on Biodiversity Overlay
            Maps OM1.1-OM9.1; and
      c)    water levels on properties elsewhere.



Table1.2 Acid sulfate soil areas
                              column 1                                                          column 2                                                             Column 3
                          Specific Outcomes                                                 Probable solutions                                                      compliance
      13.2       Effects of works
      General                                                         Partial solution
      O22 Works do not disturb acid sulfate soils or are              S22.1 The disturbance of acid sulfate soils is avoided by—            Complies -condition may be imposed in this regard.
      managed to avoid the release of acid or associated metal        a)      not excavating or otherwise removing soil or sediment
                   2
      contaminants.                                                           identified as containing acid sulfate soils;
                                                                      b)      not permanently or temporarily extracting groundwater
                                                                              that results in the aeration of previously saturated acid
                                                                              sulfate soils; and
                                                                      c)      not undertaking filling that results in actual acid sulfate
                                                                              soils being moved below the watertable or previously
                                                                              saturated acid sulfate soils being aerated;

                                                                      OR

                                                                      S22.2 The disturbance of acid sulfate soils avoids the release
                                                                      of acid or associated metal contaminants by—
                                                                      a)      neutralising existing acidity and preventing the
                                                                              generation of acid and associated metal
                                                                              contaminants; and
                                                                      b)      preventing the release of surface or groundwater
                                                                              flows containing acid or associated metal
                                                                              contaminants into the environment.


2
    PSP1 Details information Council may request to assist in the assessment of whether or not the application achieves the relevant specific outcomes.

Overlay - Flood Hazard Code – 01293 NC Oliver Properties Pty Ltd                                                                                                                              Page 2