Town Planning Report and Appendices - Cooroibah

Performance outcomes                              Acceptable outcomes                                             Response     Comment
                                                  adequate for fish passage.
                                                  And
                                                  AO21.3 Floodgates are designed and operated as (tidally         N/A          Refer to Response AO21.1.
                                                  activated) automatic floodgates.
                                                  And
                                                  AO21.4 The invert of the floodgate is at bed level.             N/A          Refer to Response AO21.1.
                                                  And
                                                  AO21.5 Floodgates allow for fish passage over an                N/A          Refer to Response AO21.1.
                                                  adequate duration of the tidal cycle.
                                                  And
                                                  AO21.6 The operation of the floodgate will not result in        N/A          Refer to Response AO21.1.
                                                  impacts on water quality that may impact on fish or fish
                                                  habitat.
PO22 Waterway barriers that are bridges           AO22.1 A bridge that is designed to allow adequate fish         N/A          A bridge is not proposed as part of this application.
are designed, constructed and                     passage is preferentially installed to a culvert.
maintained to provide adequate fish               And
passage for the site and:
(1) fish passage is provided for the life         AO22.2 In-stream bridge structures such as piles are            N/A          Refer to Response AO22.1.
    of the crossing                               minimised.
(2) hydraulic conditions (depth,                  And
    velocities and turbulence) from the           AO22.3 Bridge support piles are not constructed within          N/A          Refer to Response AO22.1.
    downstream to the upstream limit of           the low-flow channel or so that they constrict the edges of
    the structure allow for fish passage          the low-flow channel.
    of all fish attempting to move through
                                                  And
    the crossing at all flows up to the
    drownout of the structure.                    AO22.4 Bridge abutments do not extend into the                  N/A          Refer to Response AO22.1.
                                                  waterway beyond the toes of the banks.
Editor’s note: For guidance on when a bridge      And
is and is not considered to be waterway barrier
work see the Department of Agriculture,           AO22.5 Bank revetment works do not extend into the              N/A          Refer to Response AO22.1.
Fisheries and Forestry 2014 fact sheets           waterway beyond the toes of the banks.
Maintaining Fish Passage in Queensland:           And
What is a Waterway Barrier Work? What is not
a Waterway Barrier Work?                          AO22.6 Permanent access or erosion control structures           N/A          Refer to Response AO22.1.
                                                  within the main channel adjacent to the bridge are set at
                                                  or below bed level, roughened to approximately simulate
                                                  natural bed conditions, and maintained so that there are
                                                  no drops in elevation at their edges or joins with the
                                                  stream bed.


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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