Annex 11 - Code 11 - Marine Plants

  Performance outcomes                                  Acceptable outcomes                                    Response

                                                                                                               The base substrate will be non-contaminated rock
                                                                                                               and oyster cultch that has undergone rigorous
                                                                                                               cleaning and drying process in accordance with
                                                                                                               biosecurity protocols…

                                                                                                               The impacts on the receiving environment are
                                                                                                               expected to be low due to the nature of the works
                                                                                                               (placing clean substrate into the water). Sediment
                                                                                                               plumes will be assessed visually during construction
                                                                                                               and appropriate mitigation measures undertaken in
                                                                                                               accordance with Section 6.4 of the Project
                                                                                                               Restoration Plan and approved Construction
                                                                                                               Environmental Management Plan (CEMP).

                                                                                                               Risks associated with construction vessels and
                                                                                                               vehicles (fuel spills etc) will be managed separately
                                                                                                               by contractors through an approved Construction
                                                                                                               Environmental Management Plan (CEMP).

                                                                                                               Timing of construction works is expected to be
                                                                                                               November 2020 to April 2021 and September 2022 to
                                                                                                               December 2022, subject to approvals.

                                                                                                               Timing of temporary works, such as use of sediment
                                                                                                               curtains is expected to be less than 10 days in total
                                                                                                               per site, where used.

  PO30 Marine plants to be used for revegetation        AO30.1 Marine plants used in restoration works are     Not applicable
  purposes have local provenance.                       collected within a 100 kilometre radius of the site.
  Matters of state environmental significance
  PO31 Development:                                     No acceptable outcome is prescribed.                   Complies with PO31

  1. avoids impacts on matters of state environmental                                                          Matters of State Environmental Significance (MSES) apply
     significance; or                                                                                          two the Tewantin and Goat Island restoration sites only.
  2. minimises and mitigates impacts on matters of
                                                                                                               Matters of State environmental significance (MSES) –
     state environmental significance after                                                                    Tewantin
     demonstrating avoidance is not reasonably                                                                     •   High Ecological Value Waters (wetland)
     possible; and                                                                                                 •   High Ecological Significance Wetlands


State Development Assessment Provisions – version 2.6
State code 11: Removal, destruction or damage of marine plants                                                                                 Page 19 of 24