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

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                                                                     Specific Outcomes                                               Probable solutions
            Including amendments to 3 July 2017




                                                  Flooding and drainage51
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
                                                         flood free habitable areas;                                  levels 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
                                                          i.     causing ponding on the site or nearby                        above the highest known flood level;
                                                                 land;                                                 AND
                                                          ii.    increasing flooding, which adversely                 S7.2 Dwelling houses are raised above
                                                                 affects the safety or use of any land                ground with a suspended floor, rather than
                                                                 upstream and downstream; and                         utilising "slab on ground" construction;
                                                          iii.   adversely affecting the flow of water in             AND
                                                                 any overland flow path.                              S7.3 Development minimises the impact of
                                                                                                                      earthworks associated with its building,
                                                                                                                      access and service provision;
                                                                                                                      AND
                                                                                                                      S7.4 Drainage works are designed to
                                                                                                                      disperse stormwater runoff, rather than
                                                                                                                      concentrating it.
                                                                                                                       AND
                                                                                                                      S7.5 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
                                                                                                                       S7.6 Basements for residential uses have
                                                                                                                       flood immunity above the 1%AEP define
                                                                                                                       flood event where alternative means to
                                                                                                                       mechanical pumping are used to achieve
                                                                                                                       such immunity; or
                                                                                                                      S7.7 Basements for non-residential uses
                                                                                                                      have flood immunity above the 1%AEP
                                                                                                                      define 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.
                                                  Roof form
                                                  O8 Rooflines—                                                       S8.1 The main roof of the building has a
                                                  a)   contribute positively to the local skyline;                    roof pitch no less than 5 degrees and has
                                                  b)   complement the beachside and riverside                         minimum 600mm eaves to at least 75% of
                                                       character of the locality;                                     the perimeter of the building.
                                                  c)   avoid low pitched (eg. less than 5 degrees) or
                                                       box roof profiles/parapets; and
                                                  d)   do not create opportunities for residents to
                                                       overlook the private open space areas of
                                                       neighbouring properties.

                                                  51
                                                    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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