Att 5 - Codes Assessment

 Specific Outcomes and Probable Solutions for the Natural Hazards (Flooding) Code

               column 1                                          column 2                                           Column 3
           Specific Outcomes                      Probable solutions (if code assessable)                          Compliance

Hazardous materials                           S14.1 Materials manufactured or stored on-site            Not Applicable
O14 Development avoids the release of         are not hazardous or noxious, or comprise
hazardous materials into floodwaters and      materials that may cause a detrimental effect on
the environment.                              the environment if discharged in a flood event; or
                                              S14.2 Structures used for the manufacture or
                                              storage of hazardous materials are—
                                              a) located above the defined flood level; or
                                              b) designed to prevent the intrusion of floodwaters.
Essential network infrastructure              S15.1 Components of the essential network                 Not Applicable
O15 Essential network infrastructure (e.g.    infrastructure that are likely to fail or may result in
electricity, water supply, sewerage and       contamination when affected by flood water—
telecommunications) maintains effective       a) comply with Table 13.12; or
function during and immediately after         b) are designed and constructed to exclude water
flood events                                  inundation or infiltration and resist hydrostatic and
                                              hydrodynamic forces as a result of inundation.
O16 Community Uses and Infrastructure         S16.1 Community Uses and Infrastructure Uses              Not Applicable
Uses are able to function effectively         are sited and constructed to ensure that floor
during and immediately after flood events.    levels comply with flood immunity requirements
                                              specified in Table 13.12; OR
                                              S16.2 Essential community infrastructure which is
                                              located below the specified flood immunity
                                              requirements— a) is designed and constructed to
                                              function effectively during and immediately after
                                              the recommended flood level flood event; and
                                              b) has an emergency rescue area above the
                                              probable maximum flood if it is for emergency
                                              services (including emergency shelters, police
                                              facilities, hospitals and associated facilities).
Development siting and design                 S17.1 No probable solution.                               -   The site is proposed to be
O17 Development provides that for all                                                                       filled for the commercial
flood events up to and including the                                                                        development. Prelodgement
                                                                                                            discussions with Noosa
defined flood event—
                                                                                                            Council did not require any
a) the safety of people on the site is                                                                      flood study to be carried out on
protected; b) the capacity to use land in                                                                   the existing commercial zoned
the flood plain is not adversely affected;                                                                  site within the Noosa
and c) the risk of damage to property on                                                                    floodplain.
the site is avoided or minimised as far as                                                              -   The finished floor levels are at
practicable. AND                                                                                            2.5m AHD and is above the
                                                                                                            1% AEP for the site.
O18 All lots have sufficient area that is     S18.1 The minimum area above flood level for
above the define flood event flood level or   each lot, is in accordance with Table 13.13; AND
where modelling is not available, the         S18.2 Where the existing roads servicing a
highest recorded flood level, to safely and   development provide a specific flood immunity (as
adequately accommodate the intended           determined by the Qld Transport Road and
use; AND                                      Drainage Design Manual, Queensland Urban
O19 Development is undertaken in a            Drainage Manual and the Australian Rainfall and
manner that ensures— a) natural               Runoff Guide), all lots have access to the flood
hydrological systems are protected; b)        free area identified in Table 13.13 that matches
natural landforms and drainage lines are      the road immunity; AND
maintained to protect the hydraulic           S19.1 Flood immunity for development areas is
performance of waterways; and c)              not achieved by filling land below the 1% AEP
development integrates with the natural       (1:100 year ARI) flood level; or
landform rather than modifying the            S19.2 Where modelling is not available, flood
landform to suit the development;             immunity for development areas is not achieved by
                                              filling land below the highest recorded flood level.
O20 Development does not compromise           S20.1 Development provides an effective
the safety of people resulting from           evaluation route that remains passable, with
residual flood risk associated with events    sufficient flood warning time, to enable people to
that exceed the defined flood event, up to    progressively evacuate to safe areas above the



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