State code 18: Constructing or raising waterway barrier works in fish habitats Table 18.2.2: Operational work Performance outcomes Acceptable outcomes Response All development PO1 is a demonstrated need for the No acceptable outcome is prescribed. Complies with PO# / AO# development and alternatives (locations and designs) Use this column to indicate whether compliance is which do not involve constructing or raising waterway achieved with the relevant PO or AO (or if they do not barrier works are not viable. apply), and explain why PO2 Development has a functional requirement to be No acceptable outcome is prescribed. located within a waterway. Ancillary elements of development occur outside the waterway. Note: Bed and banks of the waterway and any associated wetlands and riparian areas within the development site should be accurately identified on plans provided with the application, together with the location of highest astronomical tide, mean high water spring and mean low water spring tide heights if the waterway is tidal. PO3 The number and extent of waterway barrier No acceptable outcome is prescribed. works and the spatial and temporal extent of their impacts on waterways providing for fish passage are minimised. PO4 For the life of the barrier, adequate fish passage For all crossings: must be provided and maintained at all waterway barrier works through: AO4.1 Hydraulic conditions (depth, velocities and fish way(s) that adequately provide for the turbulence) from the downstream to the upstream limit movement of fish; or of the structure allow for fish passage of all fish the movement of fish is adequately provided attempting to move through the crossing at all flows for in another way. up to the drownout of the structure. AND AO4.2 For the life of the crossing, the relative levels of: a bed level crossing or a culvert invert bed erosion protection apron scour protection; and the stream bed are maintained to avoid drops in elevation at their joins.
State code 18: Constructing or raising waterway barrier works in fish habitats Table 18.2.2: Operational work Performance outcomes Acceptable outcomes Response All development PO1 is a demonstrated need for the development and alternatives (locations and designs) which do not involve constructing or raising waterway barrier works are not viable. No acceptable outcome is prescribed. Complies with PO# / AO# Use this column to indicate whether compliance is achieved with the relevant PO or AO (or if they do not apply), and explain why PO2 Development has a functional requirement to be located within a waterway. Ancillary elements of development occur outside the waterway. Note: Bed and banks of the waterway and any associated wetlands and riparian areas within the development site should be accurately identified on plans provided with the application, together with the location of highest astronomical tide, mean high water spring and mean low water spring tide heights if the waterway is tidal. No acceptable outcome is prescribed. PO3 The number and extent of waterway barrier works and the spatial and temporal extent of their impacts on waterways providing for fish passage are minimised. No acceptable outcome is prescribed. PO4 For the life of the barrier, adequate fish passage must be provided and maintained at all waterway barrier works through: fish way(s) that adequately provide for the movement of fish; or the movement of fish is adequately provided for in another way. For all crossings: AO4.1 Hydraulic conditions (depth, velocities and turbulence) from the downstream to the upstream limit of the structure allow for fish passage of all fish attempting to move through the crossing at all flows up to the drownout of the structure. AND AO4.2 For the life of the crossing, the relative levels of: a bed level crossing or a culvert invert bed erosion protection apron scour protection; and the stream bed are maintained to avoid drops in elevation at their joins.
sdap-v2-2-state-code-18.docx