Appendix D - Noosa Plan 2020 Assessment

8.2.1 ACID SULFATE SOILS OVERLAY CODE
Table 8.2.1.3 – Criteria for assessable development

Performance Outcomes             Acceptable Outcomes                      Response

Avoidance and management of ASS

PO1                              AO1.1                                    PO1 Can Comply

Development:                     The disturbance of ASS is                The proposal site is located in
                                 avoided by:                              the Acid Sulfate Soils Overlay.
  (a) does not disturb ASS; or
  (b) is managed to avoid or     (a) undertaking                          The proposal involves
      minimise the release of        an ASS investigation and             excavation of a basement,
      acid and metal                 soil analysis according to           requiring a depth cut of 3.6m at
      contaminants, where            the National Acid Sulfate            the deepest point.
      disturbance of ASS is          Soils Guidance;
                                                                          Prior to the commencement of
      unavoidable.               (b) not excavating or otherwise
                                                                          excavation works, the
                                     removing soil or sediment
                                                                          appropriate steps will be
                                     containing ASS;
                                                                          undertaken involving ASS
                                 (c) not permanently or
                                                                          investigations accordance with
                                     temporarily extracting
                                                                          relevant guidelines and
                                     groundwater that results in
                                                                          mitigate any impacts of
                                     the aeration of previously
                                                                          disturbances with ASS.
                                     saturated ASS; and
                                 (d) not undertaking filling on           A reasonable and relevant
                                     land at or below 5 metres            condition can be adopted to
                                     AHD that results in:-                ensure that any disturbance
                                     (i) actual ASS being                 with ASS is appropriately
                                          moved below the water           managed through the provision
                                          table; or                       to provide an ASS
                                     (ii) previously                      management plan prior to the
                                          saturated ASS being             commencement to excavation
                                          aerated.                        works.

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

                                 (a)   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



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