Attachment 7B - Site Based Stormwater Manamgment Plan by ADG.pdf

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




 PERFORMANCE OUTCOMES                                              ACCEPTABLE OUTCOMES                                      COMMENTS
 Stormwater drainage design                                        AO1
 PO1                                                               A stormwater management plan is prepared consistent      Development will comply. Refer to
 The development and its stormwater management system is           with PSP6 Engineering Design Standards - Roads,          Stormwater Management Plan, in
 planned and designed having regard to:                            drainage and earthworks.                                 specific stormwater quality and
     1. the natural features of the site;
                                                                                                                            quantity section prepared by this
     2. the need to avoid impacts and potential risks
                                                                                                                            office.
        to ecologically important areas;
     3. the likely effectiveness of erosion and sediment
        control and stormwater drainage measures during
        rainfall events during and post construction; and
     4. the need to protect environmental values and water
        quality of receiving waters both during and post
        construction.
 PO2                                                               AO2.1                                                    To be complied with at detailed
 Stormwater drainage infrastructure is planned, designed and       Stormwater drainage planning, design and construction    design / construction stages in
 constructed to:                                                   is in accordance with PSP6 Engineering Design            conjunction with the Stormwater
                                                                   Standards - Roads, drainage and earthworks and the       Management Plan, prepared by
               1. incorporate allowance for increased flood risk   latest version of the Queensland Urban Drainage Design
                  and tidal inundation through pipework as a                                                                this office.
                                                                   Manual.
                  result of climate change and sea level rise;     AO2.2                                                    Rainwater captured in Bioretention
               2. ensure the development is adequately drained;    The stormwater drainage system connects to a lawful      Basin will gradually infiltrate to soil
                  and                                              point of discharge in accordance with PSP6 Engineering
               3. ensure stormwater is managed and lawfully
                                                                                                                            layers and freely discharges
                                                                   Design Standards - Roads, drainage and earthworks.       subsoil to an outfall to Weyba
                  discharged without altering stormwater
                  drainage characteristics external to the site.                                                            Creek
                                                                   AO2.3                                                    Development will comply, refer to
                                                                   Stormwater flows discharging from the development are    Stormwater Management Plan, in
                                                                   demonstrated to be consistent with pre-development       specific stormwater quantity
                                                                   characteristics.                                         section prepared by this office.




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June 2021