E - Engineering Code Assessment.pdf

5.0 WATER QUALITY AND DRAINAGE CODE

STORMWATER DRAINAGE DESIGN


 Performance Outcomes               Acceptable Outcomes               Response


PO1                                AO1                                Complies.
The development and its            A stormwater management plan
stormwater management              is prepared consistent with PSP6   The stormwater report was
system is planned and              Engineering Design Standards -     prepared consistent with
designed having regard to:
                                   Roads, drainage and                PSP 6 of Councils
(a) the natural features of the    earthworks.                        Engineering design
    site;
                                                                      standards. The stormwater
(b) the need to avoid impacts
                                                                      report outlines stormwater
    and potential risks to
                                                                      management objectives for
    ecologically important
                                                                      during and post construction.
    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.
PO2                                AO2.1                              Complies.
Stormwater drainage                Stormwater drainage planning,
infrastructure is planned,         design and construction is in      The site is not encumbered
designed and constructed to:       accordance with PSP6               by flooding or tidal
(a) incorporate allowance for      Engineering Design Standards -     inundation.
     increased flood risk and      Roads, drainage and earthworks
     tidal inundation through      and the latest version of the      Stormwater from the site will
     pipework as a result of       Queensland Urban Drainage          be conveyed to the kerb and
     climate change and sea        Design Manual.                     channel in Margit Crescent
     level rise;                                                      being the Lawful Point of
(b) ensure the development is      AO2.2                              Discharge in accordance
     adequately drained; and       The stormwater drainage system     with Council’s PSP and
(c) ensure stormwater is           connects to a lawful point of      QUDM.
     managed and lawfully          discharge in accordance with
     discharged without altering   PSP6 Engineering Design
     stormwater drainage           Standards - Roads, drainage
     characteristics external to   and earthworks.
     the site.
                                   AO2.3
                                   Stormwater flows discharging
                                   from the development are
                                   demonstrated to be consistent
                                   with pre-development
                                   characteristics.

                                   AO2.4
                                   Development provides for the
                                   management of stormwater to