Appendix C- Civil Engineering Report · MCU23/0135

ACID SULFATE SOILS OVERLAY CODE
Performance Criteria and Acceptable Solution
Noosa Civic Stage 2 Retail Development
29 September 2023

               PERFORMANCE OUTCOMES                                                 ACCEPTABLE OUTCOMES                                                      RESPONSE

Section A—If accepted development subject to compliance with identified requirements (acceptable outcomes only) or assessable development where for filling or excavation

PO1                                                                AO1.1                                                               RO1

Development:                                                      The disturbance of ASS is avoided by:                                 An Acid Sulfate Soils Assessment and Management Plan
                                                                                                                                   will be completed as part of the detail design process and
   1.   does not disturb ASS; or                                       1.   undertaking an ASS investigation and soil analysis
                                                                                                                                   submitted with the operational works documentation.
   2.   is managed to avoid or minimise the release of acid                 according to the National Acid Sulfate Soils Guidance;
        and metal contaminants, where disturbance of ASS is            2.   not excavating or otherwise removing soil or sediment
        unavoidable.                                                        containing ASS;
                                                                       3.   not permanently or temporarily extracting
                                                                            groundwater that results in the aeration of previously
                                                                            saturated ASS; and
                                                                       4.   not undertaking filling on land at or below 5 metres
                                                                            AHD that results in:-
                                                                            1. actual ASS being moved below the water table;
                                                                                 or
                                                                            2. previously saturated ASS being aerated.

                                                                  Editor's note—National Sampling and Identification Methods
                                                                  Guidelines is a reference to:

                                                                       1.   National Acid Sulfate Soils Guidance: National acid
                                                                             sulfate soils sampling and identification methods
                                                                             manual, Department of Agriculture and Water
                                                                             Resources, Canberra (Sullivan et al, 2018); and
                                                                       2.   National Acid Sulfate Soils Guidance: National Acid
                                                                             Sulfate Soils Identification and Laboratory Methods
                                                                             Manual, Department of Agriculture and Water
                                                                             Resources, Canberra; and
                                                                       3.   the Australian Standard 4969.

                                                                  OR



                                                                  AO1.2

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