Appendix C - Code Assessment

Flood Hazard Overlay Code



Table 8.2.6.3 - Criteria for assessable development

Performance outcomes                                        Acceptable outcome                                         Assessment
Floodplain protection, immunity and safety – for development areas
PO1                                                         AO1
Development provides that for all flood events up           The finished flood level is not less than the              AO1 – Complies
to and including the DFE :                                  minimum design levels specified in Table 8.2.6.4           The proposed development will allow for finished
                                                                                                                       surface levels on both lots that are more than 0.3m
 a)   the safety of people on the site is protected; and                                                               above DFE/DSTE.
 b)   the risk of damage to property on the site is
      avoided or minimised as far as practicable.

PO2                                                         AO2                                                        AO2 – Complies
All lots have sufficient area that is above the DFE flood   The minimum area above flood level (flood free area) for   The proposal will allow for a flood free areas that are
level or where modelling is not available, the highest      each lot, is in accordance with Table 8.2.6.5.             which are capable of supporting a 1000m2 house site
recorded flood level, to safely and
                                                                                                                       and effluent disposal system on each lot.
adequately accommodate the intended use.

PO3                                                         AO3                                                        AO3 – Complies
For reconfiguring a lot or operational works,               Development areas are not filled to reduce flood risk.     The development will not require filling to reduce flood
development is undertaken in a manner that ensures:                                                                    risk.


 a)   natural hydrological systems are protected from
      erosion, scour or flood damage on the premises or
      other premises;
 b) natural landforms and drainage lines are
      maintained to protect the hydraulic performance of
      waterways and flood plain; and
 c) development integrates with the natural landform
      rather than modifying the landform to suit the
      development as far as practicable.
PO4                                                         AO4.1                                                      AO4.1 – Complies
For reconfiguring a lot, development does not               Development provides an effective evacuation route that    Each lot provides flood free access to Jirrima Crescent.