Att 2 SWMP

Hydrology and waterway stability Table 9.4.8.3 Criteria for assessment (part)
                           Performance Outcomes                                                                                  Acceptable Outcomes
Hydrology and waterway stability
PO10                                                                              AO10

Development prevents increased bed and bank erosion and sedimentation in
receiving waterways by avoiding changes in low rate, peak flow run-off and flow   The development is designed to:                                                                                          Complies - Refer to SWMP for details.
duration.

                                                                                     1. limit the peak 1 year ARI event discharge within the receiving waterway to the pre-development peak 1 year
                                                                                     discharge;
                                                                                     2. maximise pervious areas by using pervious alternatives for otherwise impervious areas wherever possible;
                                                                                     3. provide for capture and reuse of stormwater for non-potable purposes for gardening, toilet flushing, laundry and
                                                                                     hot water supply uses;
                                                                                     4. incorporate appropriate detention features; and
                                                                                     5. incorporate natural channel design principles



                                                                                  Editor’s note: The Sustainable Building Design Code includes requirements for stormwater capture and reuse.


PO11                                                                              AO11.1
                                                                                  The design and construction of a natural channel or natural channel rehabilitation works are in accordance with the
Water sensitive urban design principles are applied to achieve multifunctional
                                                                                  Natural Channel Design Guidelines (Brisbane City Council) having regard to local topography, geology and                 N/A - No channels are proposed or impacted upon by the proposed development.
design of waterways, wetlands and drainage lines that provide for:
                                                                                  geomorphology.

   1. stormwater conveyance that uses natural channel design;
   2. protection of landscape features and ecological important areas including
   terrestrial and aquatic habitat;
   3. aesthetic and passive recreation values;                                    AO11.2
   4. flood management and conveyance of external catchment stormwater            Landscape features, plant species and habitat types used in stormwater conveyance channels are complementary to the
                                                                                                                                                                                                      To be complied with at detailed design in conjunction with the SWMP.
   through the development;                                                       local context and natural waterways.
   5. landscaping that incorporates local native species; and
   6. bed and bank stability.

                                                                                  AO11.3
                                                                                  Bank and bed stability and planting densities result in a stable channel over the long term and minimal potential for pest
                                                                                                                                                                                                             To be complied with at detailed design in conjunction with the SWMP.
                                                                                  plant species.

                                                                                  AO11.4
                                                                                  Water Sensitive Design measures are incorporated into the development, as detailed in the document Water Sensitive
                                                                                  Designs small improvements, new ideas, concepts and sketch designs for stormwater filtration systems (Healthy            Complies - Refer to SWMP for water sensitive design measures incorporated into the solution.
                                                                                  Waterways Water by Design).

                                                                                  AO11.5
                                                                                  Floodplain management is designed in accordance with the Framework for the Integration of Flood and Stormwater
                                                                                  Management into Open Space published by Healthy Waterways Water by Design (version current at the time of                N/A - Noosa Council mapping indicates that no flood plains are located within the development area.
                                                                                  development application)