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

     6. bed and bank stability.                                    stable channel over the long term and minimal potential for
                                                                   pest 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
                                                                   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 development application)

PO12                                                               AO12.1                                                             No increase in peak runoff from site will occur as part of the
Development protects in-stream ecology by maintaining pre-         Where run-off from or within the site passes through or            proposed development. Refer Stormwater Management Plan
development low flow discharge regimes and maintaining fish        drains to natural channels, waterways or wetlands,                 for further information.
passages.                                                          development protects in-steam ecology by maintaining pre-
                                                                   development low flow discharge regimes in accordance with
                                                                   the frequent flow management objectives in PSP6
                                                                   Engineering Design Standards - Roads, drainage and
                                                                   earthworks

                                                                   AO12.2

                                                                   Instream structures such as roads, bridges, culverts, and
                                                                   other stormwater infrastructure do not cause barriers to fish
                                                                   passage and facilitate the movement of terrestrial and
                                                                   aquatic fauna along waterway corridors.

                                                                   AO12.3

                                                                   Benthic substrate retains a continuous grade with the
                                                                   direction of flow consistent with the natural bed profile.

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