Appendix C- Civil Engineering Report · MCU23/0135

WATER QUALITY & DRAINAGE CODE
Performance Criteria and Acceptable Solution
Noosa Civic Stage 2 Retail Development
29 September 2023


               PERFORMANCE OUTCOMES                                                ACCEPTABLE OUTCOMES                                                       RESPONSE

Stormwater drainage design

PO1                                                               AO1                                                                 RO1
The development and its stormwater management system is            A stormwater management plan is prepared consistent
planned and designed having regard to:                             with PSP6 Engineering Design Standards - Roads, drainage           A stormwater management plan has been prepared for the
   1. the natural features of the site;                            and earthworks                                                     proposed development to ensure compliance with the
   2. the need to avoid impacts and potential risks                                                                                   requirements of the Noosa Plan.
      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                                                               A stormwater management plan has been prepared for the
Stormwater drainage infrastructure is planned, designed and
constructed to:                                                    Stormwater drainage planning, design and construction is in        proposed development to ensure compliance with the
                                                                   accordance with PSP6 Engineering Design Standards -                requirements of the Noosa Plan. Stormwater drainage
   1.   incorporate allowance for increased flood risk and         Roads, drainage and earthworks and the latest version of systems including stormwater treatment have been included
        tidal inundation through pipework as a result of           the Queensland Urban Drainage Design Manual.                       as part of the proposed development and connect into the
        cilmate change and sea level rise;
                                                                                                                                      existing Noosa Civic Stormwater system.
   2.   ensure the development is adequately drained; and
                                                                   AO2.2
   3.   ensure stormwater is managed and lawfully
        discharged without altering stormwater drainage            The stormwater drainage system connects to a lawful point
        characteristics external to the site.                      of discharge in accordance with PSP6 Engineering
                                                                   Design Standards - Roads, drainage and earthworks.

                                                                   AO2.3
                                                                   Stormwater flows discharging from the development are
                                                                   demonstrated to be consistent with pre-development
                                                                   characteristics.


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