MCU14/0106 & OPW15/0001 Town Planning Report & Appendix A Code Compliance

                                                                                                                                                                                   Town Planning Report
                                                                                                    28 Eenie Creek Road, Noosaville and parts of the road reserves of Hofmann Drive and Walter Hay Drive



Table 13.12 Acid sulphate soil areas
The below code response has been prepared by Cardno HRP and Cardno Engineering. In addition to the Town Planning Report, reference should be made to the
Engineering Report (Appendix E) in reading this code response.
 Specific Outcome                                         Probable Solution                                                         Response
 13.39 Effects of works
 General
 O22       Works do not disturb acid sulfate soils or    S22.1     Partial solution                                                 R22.1 Alternative Solution (as only a partial solution is
           are managed to avoid the release of acid or             The disturbance of acid sulfate soils is avoided by—             provided)
           associated metal contaminants.                                                                                           Acid sulfate soil (ASS) mapping indicates the site has low to
                                                                   a) not excavating or otherwise removing soil or sediment
                                                                   identified as containing acid sulfate soils;                     negligible probability of ASS occurrence and any excavation will be
                                                                                                                                    above the water table.
                                                                   b) not permanently or temporarily extracting groundwater that
                                                                   results in the aeration of previously saturated acid sulfate     There will be a small basin adjacent to the undercroft carpark
                                                                   soils; and                                                       associated with a stormwater detention and bio-retention basin that
                                                                                                                                    will include excavation below 5.0 m AHD.
                                                                   c) not undertaking filling that results in actual acid sulfate
                                                                   soils being moved below the watertable or previously             Acid sulfate soils investigation works will be undertaken prior to
                                                                   saturated acid sulfate soils being aerated; OR                   commencement of any earthworks on site after relevant site clearing
                                                                                                                                    has taken place.
                                                         S22.2     The disturbance of acid sulfate soils avoids the release of      Refer to Appendix E – Engineering Report for further details.
                                                                   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.




December 2014                                                                             Cardno HRP                                                                                            A56