Appendix Q - Planning Scheme Code Responses

                                                                                                                                       NATURAL HAZARDS OVERLAY CODE
                                                                                                                               Performance Criteria and Acceptable Solutions


O21 Filling or excavation only occurs         No solution provided.                          N/A   Not Applicable
where it does not adversely impact on—                                                             The site is not identified as being subject to flooding in
(a) watercourses, drainage lines and                                                               the Flood Hazard Overlay.
    wetlands; and
(b) vegetation on land identified on
    Biodiversity Overlay Maps OM1.1-
    OM9.1; and
(c) water levels on properties elsewhere.

Table 13.12 Acid sulfate soil areas


13.39 Effects of works
General                                       Partial solution                               N/A   Not Applicable
O22 Works do not disturb acid sulfate soils   S22.1 The disturbance of acid sulfate                The site is not identified as being subject to Acid
or are managed to avoid the release of        soils is avoided by—                                 Sulphate Soils in the Acid Sulphate Soils category of
acid or associated metal contaminants.        (a) not excavating or otherwise removing             the Natural Hazards Overlay.
                                                   soil or sediment 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) 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          N/A   Not Applicable
                                              soils avoids the release of acid or                  The site is not identified as being subject to Acid
                                              associated metal contaminants by—                    Sulphate Soils in the Acid Sulphate Soils category of
                                              (a) neutralising existing acidity and                the Natural Hazards Overlay.
                                                   preventing the generation of acid and
                                                   associated metal contaminants; and
                                              (b) b) preventing the release of surface
                                                   or groundwater flows containing acid
                                                   or associated metal contaminants into
                                                   the environment.



1    Solution: ✓ = Acceptable Solution
               A/S = Alternative Solution                                                                                                     Natural Hazards Overlay Code.docx
               N/A = Not applicable to this proposal

521 Elm Street and 10-22 Rose Gum Road, Black Mountain                                                                                                                 Page 11