Annex 12 - Code 12 - Declared fish habitat area

  Performance outcomes                                   Acceptable outcomes   Response
                                                                               colonised rapidly within 1 year of deployment, and
                                                                               that coverage would be similar to the current
                                                                               condition within 2 to 3 years post deployment,
                                                                               particularly in sections that particularly in sections
                                                                               that remain subtidal and not covered by fine silt.

                                                                               The proposed oyster reef patches are designed and
                                                                               certified by engineers. The oyster reef patches are
                                                                               spaced (1-4m apart) so as not to not impede fish
                                                                               passage, cause significant erosion (due to wave
                                                                               refraction) or impact negatively on natural
                                                                               hydrological processes of the waterway including
                                                                               laminar river flow.

                                                                               The oyster reef patches are set away from the
                                                                               shoreline and will not interfere with overland flow and
                                                                               runoff as a result of floods.

                                                                               Water quality will be maintained at the restoration
                                                                               sites during the construction phase in accordance
                                                                               with the sediment management protocol outlined in
                                                                               this Restoration Plan (see Project Restoration Plan.
                                                                               Section 6.4: Sediment management).

                                                                               The restored oyster ecosystems will enhance water
                                                                               quality by filtering estuarine water, removing algae
                                                                               and particulate matter from the water column and
                                                                               converting nutrients, such as nitrogen and

State Development Assessment Provisions – version 2.6
State code 12: Development in a fish declared habitat area                                                     Page 33 of 39