Appendix F. Civil Engineering Report Part 2

State Planning Policy (April 2016)
Appendix 3, SPP Code: Water Quality

 and
• in waters mapped as
  being of high
  ecological value, the
  adverse impacts of
  such releases and
  their offset.
PO9                         AO9.1
Wastewater discharge        Wastewater discharge to non-tidal artificial                        Not applicable.
to a non-tidal artificial   waterways is managed to avoid or minimise the                       Development does not
waterway is managed         release of nutrients of concern so as to minimise the               include on-site waste
in a way that               occurrence, frequency and intensity of coastal algal                water treatment or non-
maintains ecological        blooms, and                                                         tidal artificial waterway.
processes, riparian
                            AO9.2
vegetation, waterway                                                                            A09.2 – N/A
integrity, and              Development in coastal catchments avoids or
downstream                  minimises and appropriately manages soil
ecosystem health.           disturbance or altering natural hydrology, and

                            Editor’s note: Compliance with this outcome may be
                            demonstrated by following the management advice in the
                            guideline: Implementing Policies and Plans for Managing
                            Nutrients of Concern for Coastal Algal Blooms in Queensland
                            by the Department of Environment and Heritage Protection.
                            AO9.3
                                                                                                A09.3 – N/A
                            Development in coastal catchments:
                            a. avoids lowering groundwater levels where potential or
                                actual acid sulfate soils are present, and
                            b.   manages wastewaters so that:
                                 (i) the pH of any wastewater discharged is maintained
                                      between 6.5 and 8.5 to avoid mobilisation of acid,
                                      iron, aluminium, and metals, and
                                 (ii) holding times of neutralised wastewaters ensures
                                       the flocculation and removal of any dissolved iron
                                       prior to release, and
                                 (iii) visible iron floc is not present in any discharge, and
                                 (iv) precipitated iron floc is contained and disposed of,
                                      and
                                 (v) wastewater and precipitates that cannot be
                                     contained and treated for discharge on site are
                                     removed and disposed of through trade waste or
                                     another lawful method.




Project Address – Project Description
ADG Engineers Aust. Pty Ltd
Page 4