Town Planning Report and Appendices - Cooroibah

    Specific Outcomes            Probable Solutions                  Comments


vehicular access.


Flooding and drainage           S8.1 For new buildings or Complies.
                                structures or additions of
O8 Buildings and other works more than 50m2 gross floor While the subject property
are designed and sited to—      area to an existing building is identified as containing
                                or structure, floor levels for areas subject to flooding as
a) provide flood free access                                   per the Planning Scheme
                                habitable rooms are—
to premises and flood free                                     mapping,     the    proposed
habitable areas;                a) for areas where minimum development is a small
                                floor levels are available— scale, non-habitable use
b) allow only minor, short
                                not less than the specified considered to be consistent
term and infrequent flooding
                                level;                         with the nature of the
of non-habitable areas;
                                                               identified hazard.
                                b) for areas where flood
c) ensure carparking areas
                                modelling is available—a The relatively small scale of
can be adequately drained;
                                minimum of 500mm above the development (120 m2
d) ensure drainage does not the modelled flood level; compound area) will not
adversely impact upon other and                                exacerbate     flooding   or
premises; and                                                  ponding on the site or on
                                c) for areas where flood nearby land. Furthermore,
e) ensure filling or excavation modelling is not available, a the proposal is for a non-
does not adversely impact minimum of 500mm above habitable use and will not
upon other premises by—         the highest known flood increase the number of
                                level;                         people living or working on-
i. causing ponding on the site
                                                               site.
or nearby land;                 AND
                                                             Any excavated material will
ii. increasing flooding, which S8.2      Where       Council
                                                             be distributed across the
adversely affects the safety infrastructure is available—
                                                             site in a location that will
or use of any land upstream
                               a) any drainage (from not worsen the flood hazard
and downstream; and
                               buildings and land) flows to on the site or surrounding
iii. adversely affecting the that infrastructure; and        premises. The proposal will
flow of water in any overland                                not include car parking and
                               b) the infrastructure has the will      only       require
flow path.
                               capacity to accept any maintenance 3 to 4 times
                               additional loading.           annually.

                               AND

                               S8.3    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




                                                                                        83