Town Planning Report and Appendices - Cooroibah

Performance outcomes                      Acceptable outcomes                                            Response     Comment
                                                                                                                         confined schooling behaviour in fish; or

                                                                                                                       reduce the extent, frequency or duration of fish passage
                                                                                                                         previously found at the site; or

                                                                                                                       substantially modify, destroy or fragment areas of fish
                                                                                                                         habitat (including, but not limited to in-stream vegetation,
                                                                                                                         snags and woody debris, substrate, bank or riffle
                                                                                                                         formations) necessary for the breeding and/or survival of
                                                                                                                         fish; or

                                                                                                                       result in a substantial and measureable change in the
                                                                                                                         hydrological regime of the waterway, for example, a
                                                                                                                         substantial change to the volume, depth, timing, duration
                                                                                                                         and frequency of flows; or

                                                                                                                       lead to significant changes in water quality parameters
                                                                                                                         such as temperature, dissolved oxygen, pH and
                                                                                                                         conductivity that provide cues for movement in local fish
                                                                                                                         species.
                                                                                                                      The proposed works involve the replacement of an existing
                                                                                                                      culvert for safety reasons. The proposed works will not
                                                                                                                      result in a significant residual impact on the below grounds:


                                                                                                                       the proposed works will not create a barrier to fish
                                                                                                                         movements and will therefore not impact on fish energy
                                                                                                                         reserves, or result in stranding, increased predation risk,
                                                                                                                         entrapment or confined schooling behaviour in fish; and

                                                                                                                       the proposed works relate to the replacement of an
                                                                                                                         existing culvert. The works will not impact on the existing
                                                                                                                         low flow channel of the waterway and will therefore not
                                                                                                                         result in a substantial or measurable change in the
                                                                                                                         hydrological regime of the waterway.
                                                                                                                      On the above grounds, impacts to fish habitats and aquatic
                                                                                                                      ecology are considered unlikely. Therefore, the works will
                                                                                                                      not result in a significant residual impact and offsets are not
                                                                                                                      considered to apply.

                                          AO10.2 Where residual impact to fish passage or legally                    Refer to Response AO10.1.
                                          secured offset areas for fish passage, including the
                                          fisheries resources and fish habitats they contain, is

State development assessment provisions                                 Module 5 — Fisheries resources          5.2 Constructing or raising waterway barrier works in fish habitats state code
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