B - Code Compliance.pdf

Water Quality and Drainage Code



Performance outcomes                                  Acceptable outcomes                                        Response
Stormwater Drainage Design
PO1                                                   AO1                                                        AO1 – Not Applicable
The development and its stormwater management         A stormwater management plan is prepared consistent        The development does not involve any physical works
system is planned and designed having regard to:      with PSP6 Engineering Design Standards - Roads,            and will maintain the existing stormwater drainage
the natural features of the site;                     drainage and earthworks.                                   system and lawful point of discharge.
the need to avoid impacts and potential risks to
ecologically important areas;
the likely effectiveness of erosion and sediment
control and stormwater drainage measures during
rainfall events during and post construction; and
the need to protect environmental values and water
quality of receiving waters both during and post
construction.
PO2                                                   AO2.1                                                      AO2.1 to AO2.4 – Not Applicable
Stormwater drainage infrastructure is planned,        Stormwater drainage planning, design and construction      The development does not involve any works
designed and constructed to:                          is in accordance with PSP6 Engineering Design Standards    maintaining the existing stormwater drainage system
a) incorporate allowance for increased flood risk     - Roads, drainage and earthworks and the latest version    and lawful point of discharge.
    and tidal inundation through pipework as a        of the Queensland Urban Drainage Design Manual.
    result of cilmate change and sea level rise;      AO2.2
b) ensure the development is adequately drained;      The stormwater drainage system connects to a lawful
    and                                               point of discharge in accordance with PSP6 Engineering
c) ensure stormwater is managed and lawfully          Design Standards - Roads, drainage and earthworks.
    discharged without altering stormwater drainage   AO2.3
    characteristics external to the site.             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 incorporate appropriate allowance for
                                                      climate change impacts (including rainfall intensity and
                                                      sea level rise), in accordance with PSP6 Engineering
                                                      Design Standards – Roads, Drainage and Earthworks.
PO3                                                   AO3.1                                                      AO3.1 – Not Applicable