Appendix J - Civil Engineering Report and SBSMP

Noosa Shire Council – The Noosa Plan 2020
Water Quality and Drainage Code
Performance Criteria and Acceptable Solutions




 PERFORMANCE OUTCOMES                                        ACCEPTABLE OUTCOMES                                            COMMENTS
                                                             during the maintenance period to ensure optimal
                                                             vegetated growth and that the functional elements of the
                                                             system achieve the design function at the end of the
                                                             maintenance period.

 PO9                                                         AO9.1                                                          To be complied with at detailed
 Treatment systems are designed to eliminate or minimise     Free draining inlets and outlets are provided to ensure that   design / construction stages.
 health, safety and aesthetic hazards, including risks
 associated with insect breeding, odour and public safety.   waters do not pond for more than 24 hours.
                                                             AO9.2                                                          To be complied with at detailed
                                                             Developments are designed to eliminate retaining walls in      design / construction stages.
                                                             excess of 0.8m for any water quality treatment device.
                                                             AO10
 Hydrology and waterway stability                                                                                      Development will comply, Refer to
 PO10                                                        The development is designed to:                           Stormwater Management Plan,
 Development prevents increased bed and bank erosion and             1. limit the peak 1 year ARI event discharge
 sedimentation in receiving waterways by avoiding changes                                                              specifically ADG sketch plan.
                                                                        within the receiving waterway to the pre-
 in low rate, peak flow run-off and flow duration.
                                                                        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




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June 2021