OPW052025 Report - Part 2

9.4.8 Water Quality and Drainage Code

Stormwater drainage design                 Table 9.4.8.3 Criteria for assessment (part)
Performance Outcomes                                                  Acceptable Outcomes                                                                  Response

Stormwater drainage design
PO1                                                                   AO1                                                        The proposed driveway follows an existing track located through
The development and its stormwater management system is               A stormwater management plan is prepared consistent        the allotment and all existing stormwater flow regimes will
planned and designed having regard to:                                with PSP6 Engineering Design Standards - Roads, drainage   remain in place.
(a)   the natural features of the site;                               and earthworks.                                            Performance Outcome PO1 and Acceptable Outcome AO1 can
                                                                                                                                 be met.
(b)   the need to avoid impacts and potential risks to ecologically
      important areas;
(c)   the likely effectiveness of erosion and sediment control and
      stormwater drainage measures during rainfall events
      during and post construction; and
(d)   the need to protect environmental values and water quality
      of receiving waters both during and post construction.