Appendix J - Code Assessment · RAL25/0004

(f) any important landmarks, views, vistas or other areas of                                                                 rarer flood events of less than 2% AEP the model
    high scenic quality present on, or able to be viewed from,                                                               results show the intersection will experience water
    the site.                                                                                                                over the road to depths of less 0.3 m for a 1% AEP
                                                                                                                             flood event for relatively short durations of less
Editor’s Note— Development of land affected by constraints                                                                   than 1.5 hours.
shown on overlay maps will be subject to overlay codes .
                                                                                                                             The flood modelling has also demonstrated that
                                                                                                                             should a significant blockage of the culverts occur
                                                                                                                             during a major rainfall flood event the depths of
                                                                                                                             inundation across the culvert would not be expected
                                                                                                                             to significantly change, however, the inundation
                                                                                                                             may persist for longer periods.’

                                                                                                                             The proposed development will factor in these
                                                                                                                             findings, noting the bio-retention basin and
                                                                                                                             additional drainage infrastructure should aid in
                                                                                                                             reducing inundation periods at the Lake Macdonald
                                                                                                                             Drive    –  Dianella   Court    Intersection (see
                                                                                                                             Appendix C, E & I for details).
                                                                 AO7.2                                                       Not applicable.
                                                                 Flood immunity for development areas is not achieved
                                                                 by filling land below the 1% AEP (1:100 year ARI) flood
                                                                 level.
                                                                 AO7.3                                                       Not applicable.
                                                                 All reconfigured lots on land subject to a constraint or
                                                                 valuable feature identified on an overlay map contains
                                                                 a building envelope marked on a plan of
                                                                 development that demonstrates that there is an area
                                                                 sufficient to accommodate the intended purpose of the
                                                                 lot, that is not subject to the constraint or valuable
                                                                 feature or that appropriately responds to the constraint
                                                                 or valuable feature.
                                                                 AO7.4                                                       Not applicable.
                                                                 New lots with a site area less than 4,000m² in area
                                                                 have a slope not exceeding:

                                                                 (a) 10% side slope (crossfall); or
                                                                 (b) 5% lengthwise slope (longitudinal fall).
                                                                 AO7.5                                                       Complies.
                                                                 Lot boundaries, services, utilities and roads are aligned
                                                                 to avoid traversing ecologically important                  As stated in Section 5.1 of the Planning Report, the
                                                                 areas and ecological linkages.                              subject site is included in the Biodiversity Overlay –
                                                                                                                             Area of Biodiversity Significance. the mapped area
                                                                                                                             is dominated by slash pine and Gympie messmates