Annex 11 - Code 11 - Marine Plants

  Performance outcomes                               Acceptable outcomes                                     Response
                                                     AO4.4 The extent of marine plant removal, damage or     Damage, removal or destruction of macroalgae at the
                                                     destruction for a jetty or pontoon development has a    Tewantin restoration site will be temporary.
                                                     maximum:
                                                          1. area of 30 square metres;
                                                          2. width of two metres along the shoreline
                                                             (highest astronomical tide);
                                                          3. length of 15 metres from highest astronomical
                                                             tide (measured perpendicular to the shore).


                                                     OR

                                                     AO4.5 The boat ramp development has a                   Not applicable
                                                     maximum development footprint of 45 square
                                                     metres.
                                                     For any other development, no acceptable outcome is
                                                     prescribed.
  PO5 The timing of works avoids marine plant        No acceptable outcome is prescribed.                    Complies with PO5
  flowering, fish spawning and fish migration
  periods.                                                                                                   The impact of the works is limited to the footprint of
                                                                                                             the individual oyster reef patches, such that the works
                                                                                                             will retain any marine plants present in access gaps
                                                                                                             between patches, thus allowing flowering to occur.
                                                                                                             The module design allows space for fish movement
                                                                                                             between the rock patches.

                                                                                                             The works are not expected to impact on mangroves
                                                                                                             or seagrass so will not impact on reproduction, and
                                                                                                             will be completed outside of the major macroalgal
                                                                                                             recruitment period (i.e. winter).

                                                                                                             The substrates have been specifically designed to
                                                                                                             prevent any rock patch creating a barrier to trap fish
                                                                                                             behind at low tide with adequate gaps for fish to move
                                                                                                             through as the water rises and falls.

  PO6 Development of or adjacent to, fish habitats   No acceptable outcome is prescribed.                    Complies with PO6
  avoids the unnecessary loss, degradation or

State Development Assessment Provisions – version 2.6
State code 11: Removal, destruction or damage of marine plants                                                                              Page 8 of 24