2017-06-06 - P&E Agenda Attachment 1 to Item 6 Draft Alignment Amendments Part 1 (Pages 1-907)

                        column 1                                                      column 2
                  Specific Outcomes                                               Probable solutions
                           56
Flooding and drainage




                                                                                                                                        Including amendments 3 July 2017
                                                                                                                       The Noosa Plan
O7 Buildings and other works are designed and                     S7.1 For new buildings or structures or
                                                                                                 2
sited to—                                                         additions of more than 50m gross floor area
a)     provide flood free access to premises and                  to an existing building or structure, floor levels
       flood free habitable areas;                                for habitable rooms are—
b)     allow only minor, short term and infrequent                 a)     for areas where minimum floor levels
       flooding of non-habitable areas;                                   are available—not less than the
c)     ensure carparking areas can be adequately                          specified level;
       drained;                                                    b)     for areas where flood modelling is
d)     ensure drainage does not adversely impact                          available—a minimum of 300mm
       upon other premises; and                                           above the modelled flood level; and
e)     ensure filling or excavation does not                       c)     for areas where flood modelling is not
       adversely impact upon other premises by—                           available, a minimum of 300mm above
        i.     causing ponding of water on the site                       the highest known flood level;
               or nearby land;                                     AND
        ii.    increasing flooding, which adversely               S7.2 Where Council infrastructure is
               affects the safety or use of any land              available—
               upstream and downstream; and                        a)     any drainage (from buildings and land)
        iii.   adversely affecting the flow of water                      flows to that infrastructure; and
               in any overland flow path.                          b)     the infrastructure has the capacity to
                                                                          accept any additional loading;
                                                                   AND
                                                                   S7.3 Car parking and maneuvering areas
                                                                   are constructed at a level that permits the
                                                                   parking area to drain from the site by gravity
                                                                   means, without the need for mechanical
                                                                   pumping; or
                                                                   S7.4 Basements for residential uses have
                                                                   flood immunity above the 1%AEP defined
                                                                   flood event where alternative means to
                                                                   mechanical pumping are used to achieve
                                                                   such immunity; or
                                                                   S7.5 Basements for non-residential uses
                                                                   have flood immunity above the 1%AEP
                                                                   defined flood event that may be achieved by
                                                                   means of mechanical pumping where the
                                                                   mechanical feature is installed with adequate
                                                                   holding tanks and an alternative back up
                                                                   power source.




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  Information on minimum floor levels and flood levels for some parts of the Shire is available from Council. These
provisions are not limited to areas shown as Flood Hazard Areas on overlay maps OM1.3-9.3.



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