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

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                                                                                                                                         Including amendments to 3 July 2017
                 Specific Outcomes                                               Probable solutions




                                                                                                                        The Noosa Plan
                           63
Flooding and drainage
O12 Buildings and other works are designed and                    S12.1 For new buildings or structures or
                                                                                                2
sited to—                                                         additions of more than 50m gross floor area to
a)     provide flood free access to premises and                  an existing building or structure, floor levels for
       flood free habitable areas;                                habitable rooms are—
b)     allow only minor, short term and infrequent                a)     for areas where minimum floor levels are
       flooding of non-habitable areas;                                  available—not less than the specified
c)     ensure carparking areas can be adequately                         level;
       drained;                                                   b)     for areas where flood modelling is
d)     ensure drainage does not adversely impact                         available—a minimum of 300mm above
       upon other premises; and                                          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               S12.2 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
                                                                  S12.3 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
                                                                  S12.4 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
                                                                  S12.5 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.




63
  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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