MCU14/0056 Response to SARA - Consulting Report

                             Cnr Myall Street & Ferrells Road Coorroy, QLD 4563
                                                          Natural Resources Overlay Code
                                               Performance Outcome Criteria and Acceptable Outcomes


    Natural Resources Overlay Code
    Table 13.15 Water supply catchment areas
                Performance outcomes                               Acceptable outcomes                                   Solution

1   Water quality and quantity                                                                        O11
                                                      No solution provided.
    O11 Development does not have adverse                                                             The proposed development includes the use of
    effects on the quality or quantity of water                                                       bioretention basins and proprietary in ground
    entering Lake Macdonald, Cedar Pocket dam                                                         stormwater quality treatment devices to
    or their tributaries, including effects on—                                                       provide stormwater quality treatment in
    a) nutrient or other chemical levels; and                                                         accordance with the State Planning Policy
    b) sediment loads; and                                                                            (December 2013) Water Quality Objectives.
    c) turbidity.
                                                                                                      It should be noted that the proposed
                                                                                                      bioretention basins and proprietary in ground
                                                                                                      stormwater quality treatment devices have
                                                                                                      been sized to independently meet the
                                                                                                      requirements of the State Planning Policy,
                                                                                                      therefore when combined the total treatment
                                                                                                      train will provide a system that exceeds the
                                                                                                      requirements of the State planning Policy. This
                                                                                                      additional treatment has been provided to
                                                                                                      ensure that the Water Quality Objectives can
                                                                                                      still be achieved if the effectiveness of one of
                                                                                                      the systems is reduced.
                                                                                                       It is anticipated that the proposed
                                                                                                        earthworks will be staged to minimise
                                                                                                        exposure of subsoils as the staged
                                                                                                        earthworks areas will be smaller and
                                                                                                        therefore can be more easily managed to
                                                                                                        reduce erosion and sediment runoff from
                                                                                                        the site. If possible the proposed surface