Attachment 6 - Stormwater Management Plan and Engineering Response. · MCU23/0078

NOOSA CITY PLAN - WATER QUALITY AND DRAINAGE CODE                                                                                               Job Ref No.: 22159
Performance Outcomes and Acceptable Solution

Table 9.4.8.3 – CRITERIA FOR ASSESSMENT

PO9                                      AO9.1                                           PO
Treatment systems are designed to        Free draining inlets and outlets are provided        Water quality treatment systems are designed to
eliminate or minimise health, safety     to ensure that waters do not pond for more           eliminate or minimize health, safety and aesthetics
and aesthetic hazards, including risks   than 24 hours.                                       hazards.
associated with insect breeding, odour
and public safety                        AO9.2
                                         Developments are designed to eliminate
                                         retaining walls in excess of 0.8m for any
                                         water quality treatment device.


Hydrology and waterway stability         AO10                                            PO
                                         The development is designed to:                      The development maintains existing runoff rates from
PO10                                     (a) limit the peak 1 year ARI event                  the site.
Development prevents increased bed           discharge within the receiving waterway
and bank erosion and sedimentation in        to the predevelopment peak 1 year
receiving waterways by avoiding              discharge;
changes in low rate, peak flow runoff    (b) maximise pervious areas by using
and flow duration.                           pervious alternatives for otherwise
                                             impervious areas wherever possible;
                                         (c) provide for capture and reuse of
                                             stormwater for non-potable purposes
                                             for gardening, toilet flushing, laundry
                                             and hot water supply uses;
                                         (d) incorporate appropriate detention
                                             features; and
                                         (e) incorporate natural channel design
                                             principle
                                         Editor’s note: The Sustainable Building
                                         Design Code includes requirements for
                                         stormwater capture and reuse.



1.  Solution: PO = Performance Outcome
                A/O = Acceptable Outcome
                N/A = Not applicable to this proposal
Noosa Civic Village Mixed Use Development, Noosaville