planning report Other Change

and aesthetic hazards, including risks   Free draining inlets and outlets are
associated with insect breeding,         provided to ensure that waters do not
odour and public safety.                 pond for more than 24 hours.


                                         AO9.2
                                         Developments are designed to
                                         eliminate retaining walls in excess of
                                         0.8m for any water quality treatment
                                         device
Hydrology and waterway stability         AO10
PO10                                     The development is designed to:
Development prevents increased bed
and bank erosion and sedimentation       (a) limit the peak 1 year ARI event
in receiving waterways by avoiding           discharge within the receiving
changes in low rate, peak flow run-off       waterway to the pre-
and flow duration.                           development peak 1 year
                                             discharge;
                                         (b) maximise pervious areas by
                                             using pervious alternatives for
                                             otherwise impervious areas
                                             wherever possible;
                                         (c) provide for capture and reuse of
                                             stormwater for non-potable
                                             purposes for gardening, toilet
                                             flushing, laundry and hot water
                                             supply uses;
                                         (d) incorporate appropriate
                                             detention features; and
                                         (e) incorporate natural channel
                                             design principles



                                         Editor’s note: The Sustainable
                                         Building Design Code includes
                                         requirements for stormwater
                                         capture and reuse.
PO11                                     AO11.1
Water sensitive urban design             The design and construction of a
principles are applied to achieve        natural channel or natural channel
multifunctional design of waterways,     rehabilitation works are in
wetlands and drainage lines that         accordance with the Natural Channel
provide for:                             Design Guidelines (Brisbane City
                                         Council) having regard to local
(a) stormwater conveyance that           topography, geology and
    uses natural channel design;         geomorphology.
(b) protection of landscape features
    and ecological important areas       AO11.2
    including terrestrial and aquatic    Landscape features, plant species
    habitat;                             and habitat types used in stormwater
                                         conveyance channels are
(c) aesthetic and passive recreation     complementary to the local context
    values;                              and natural waterways.
(d) flood management and
    conveyance of external               AO11.3
    catchment stormwater through         Bank and bed stability and planting
    the development;                     densities result in a stable channel
(e) landscaping that incorporates        over the long term and minimal
    local native species; and            potential for pest plant species.
(f) bed and bank stability.
                                         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


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