Appendix C - Code Assessment

Natural Hazards Overlay Code
!


accommodate their intended use.                    development provide a specific flood immunity
                                                   (as determined by Chapter 6 of the Qld             S19.2 Not Applicable
AND                                                Transport Road and Drainage Design Manual
                                                                                                      The existing lots do not have access to flood free
                                                   and the Australian Rainfall and Runoff Guide),
                                                                                                      areas.
                                                   all lots have access to the flood free area
O20 Development integrates with the natural        identified in Table 13.11 that matches the road
landform rather than modifying the landform to     immunity;!
suit the development.45                            AND
                                                   S20.1 Flood immunity for development areas is
                                                   not achieved by filling land below the 1% AEP      O19 & O20 Complies
                                                   (1:100 year ARI) flood level; or                   The lots will be provided with sufficient areas above
                                                                                                      the 1% ARI level to accommodate their intended use.
                                                   S20.2 Where modelling is not available, flood
                                                   immunity for development areas is not achieved     The amount of fill required to accommodate the use is
                                                   by filling land below the highest recorded flood   consistent with a detached house and will be
                                                   level.!!                                           compatible with the filled levels throughout the
                                                                                                      surrounding locality.
O21 Filling or excavation only occurs where it     No solution provided.                              021 Complies
does not adversely impact on—
                                                                                                      The proposed filling will not adversely impact on
a) watercourses, drainage lines and wetlands;
                                                                                                      drainage lines, watercourses, wetlands or significant
and
                                                                                                      vegetation.
b) vegetation on land identified on Biodiversity
Overlay Maps OM1.1-OM9.1; and
c) water levels on properties elsewhere.

Table 13.12 Acid Sulfate Soils
!
Specific Outcomes                                  Probable Solutions                                 Assessment
13.39 Effects of works
General
O22 Works do not disturb acid sulfate soils or     Partial solution                                   S1.1 Complies
are managed to avoid the release of acid or        S22.1 The disturbance of acid sulfate soils is     The proposed filling will avoid disturbing acid sulfate
associated metal contaminants.46                   avoided by—                                        soils. Further details in relation to the extent of the
                                                   a) not excavating or otherwise removing soil or    filling will be provided with the subsequent application