response to information request

Under The Noosa Plan a less dense (detached house) can be built on the site with an
additional 74m2 of site cover, and under The New Noosa Plan small dwelling units can be
constructed with an additional 24m2 of site cover. The proposed design provides for a
medium density development which allows for a scale of building compatible with the
surrounding development and not present an appearance of bulk to adjacent properties
or the street.

The new 180m2 duplex unit includes 450mm eaves with a 150mm downpipe (600mm
eaves) surrounding the perimeter of the building and provides for a compliant side setback
to all boundaries. The proposal also includes sufficient space around the building to
provide for landscaping between buildings.

The 17.3m wall length orientated to the west is setback more than 6m from the adjoining
neighbour. The proposed design is similar in its built from to a single detached house,
which in The New Noosa Plan is able to be constructed with a wall length of 20m in the
Low Density Residential zone. Although not being in the Low-Density Residential zone,
the relevant Outcomes seek for buildings to contributes positively to the streetscape and
has a form and architectural scale that does not dominate surrounding properties which
are situated within a landscaped setting.

The single storey walls along the western elevation are setback from the neighbouring
buildings by more than 6m, which will allow large landscaping areas between buildings.
The applicant is willing to accept a condition for additional landscaping to further screen
the development from the adjoining single storey units either side of the proposed duplex
unit. By applying these reasonable and relevant conditions to the code assessable
application - the form and scale of the design is in keeping with the adjoining unit
developments and not readily visible from the streetscape consistent with the relevant
Specific Outcomes.

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    7. Provide preliminary plans of the proposed stormwater drainage system for the
       development. The plans must be either prepared by or endorsed a suitably
       qualified person. The plans must include but not be limited to:

              a. Detail of the proposed tank (location, dimensions, level).
              b. Detail of the proposed drainage system (pipe sizes and grades).
              c. Existing and proposed surface levels to demonstrate that suitable
                 clearances can be achieved.
              d. Comment regarding the capacity of the existing drainage system in Opal
                 Street to cater for the additional runoff.
              e. Indications of the various catchment areas within the site and
                 certification that states that if the development is constructed in
                 accordance with the design there will be no worsening of drainage
                 conditions on adjoining properties, Opal Street and Opal Lane.

Please find attached an Integrated Water Management Plan, prepared by Callaghan &
Toth. The report provides details as to the proposed tank, drainage system and levels on
the engineering design plan. Further commentary is provided on the capacity of the
drainage system in Opal Street and non-worsening as a result of the design, including 2 x
3,000 litre rainwater detention tanks.

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