Town Planning Report and Appendices - Cooroibah

Performance outcomes                         Acceptable outcomes                                             Response     Comment
                                             AO12.5 The owner or operator demonstrates the means             N/A          Refer to Response AO12.1.
                                             and commitment to promptly rectify any faults found in the
                                             fish way during commissioning, monitoring and operation,
                                             if these lead to inadequacies in the fish movement that
                                             are provided.
                                             And
                                             AO12.6 Any tailwater control structures such as a gauging       N/A          Refer to Response AO12.1.
                                             weir, rock bar or stream crossings are fitted with a fish
                                             way or designed to allow fish passage.
                                             And
                                             AO12.7 Any existing in-stream structure downstream of           N/A          Refer to Response AO12.1.
                                             the proposed waterway barrier works, which increases the
                                             barrier effect to fish passage through changes in flow
                                             characteristics, is fitted with adequate fish passage
                                             facilities.
PO13 Lateral (upstream and                   AO13.1 More than one fish way is provided, for example,         N/A          Refer to Response AO12.1.
downstream) and longitudinal fish            to provide up and downstream fish passage or to provide
movement is provided for.                    fish passage under a range of flow regimes.
PO14 Any fish way is be capable of           AO14.1 The operational range of a fish way is sufficient        N/A          Refer to Response AO12.1.
operating whenever there is flow in the      having regard to the hydrology of the site and the fish
waterway (inflow or release), the dam is     movement characteristics (in particular timing of
above dead storage level, and the fish       movements in relation to seasons and hydrographs).
way will be operational for as long as the   And
waterway barrier is in position.
                                             AO14.2 The lower operational range of the fish way is           N/A          Refer to Response AO12.1.
                                             down to at least 0.5 metres below minimum headwater
                                             drawdown level (dead storage or minimum off-take level,
                                             whichever is lower) and to at least 0.5 metres below
                                             minimum tail water level at the site.
                                             And
                                             AO14.3 Upstream and downstream fish ways will be                N/A          Refer to Response AO12.1.
                                             operated whenever there are inflows into the
                                             impoundment or release out of the impoundment, and
                                             during overtopping events.
                                             And
                                             AO14.4 All releases are directed firstly through the fish       N/A          Refer to Response AO12.1.
                                             way as a priority over the outlet works, with the fish way
                                             being operated whenever a release is made through it,
                                             regardless of whether the release volume is less than the


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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