Code Assessment

Performance outcomes                                       Acceptable outcomes                                  Compliance
For reconfiguring a lot, development does not Development provides an effective evacuation route
compromise the safety of people resulting from the that remains passable, with sufficient flood warning
flood risk associated with events exceeding the DFE. time, to enable people to progressively evacuate to
                                                     safe areas above the PMF in the face of advancing
                                                     flood or waters for events that exceed the DFE.

                                                           OR
                                                           AO4.2                                                Not applicable as above
                                                           Development provides for an area of sufficient size
                                                           and dimensions on site above the PMF that allows for
                                                           safe congregation and refuge.
                                                           AO4.3                                                     Not applicable
                                                           Where the existing roads servicing a development Reconfiguring a lot is not proposed.
                                                           provide a specific flood immunity (as determined by
                                                           the Qld Transport Road and Drainage Design Manual,
                                                           Queensland Urban Drainage Manual and the
                                                           Australian Rainfall and Runoff Guide), all lots have
                                                           access to the flood free area identified in Table 8.2.6.5
                                                           that matches the road immunity.
PO5                                                        AO5                                                       Not applicable
For reconfiguring a lot or operational works,              In the Flood Hazard Overlay, or in areas otherwise Reconfiguring a lot and/or operational is not
development does not directly, indirectly or               determined to be subject to the DFE or DSTE, proposed.
cumulatively alter the flood characteristics external to   development ensures:
the development site for all flooding and inundation       (a) there is no loss of on-site flood storage capacity;
events up to and including the DFE or DSTE based on:       (b) all changes to level, depth, duration and velocity of
(a) current climate conditions; and                        floodwaters are contained within the site for all flood
(b) incorporating an appropriate allowance for the         events up to and including the DFE based on current
predicted impacts of climate change.                       climate and predicted impacts of climate change at
                                                           2100;
                                                           (c) there is no acceleration or retardation of flows, or
                                                           any retardation in flood warning times, elsewhere on
                                                           the floodplain and to any overland flow paths; and