2017-11-07 P&E Committee - Attachment 1 to Item 1 - Amendments for Multiple Housing Type 2 Duplex & Minor Corrections

                                                                       column 1                                                      column 2
                                                                 Specific Outcomes                                               Probable solutions
                                               Flooding and drainage 59
            Including amendments 3 July 2017
The Noosa Plan




                                               O7 Buildings and other works are designed and                     S7.1 For new buildings or structures or
                                               sited to—                                                         additions of more than 50m2 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.




                                               59
                                                 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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