20517 App J.pdf [As Published] · 132007.1259

Concept Stormwater Management Plan
Essence of Peregian

 

6.0 WATER SENSITIVE DESIGN CODE RESPONSE

This section presents a response to ‘Division 20 - Water Sensitive Design Code’ of Noosa Council’s ‘The Noosa
Plan’ to demonstrate that the specific outcomes have been met by the proposed development. Specific
Outcomes as set by Noosa Council have been sourced from Section 14.176, Table 14-58 of ‘The Noosa Plan’.

Code Response
Water Reuse
01 The development proposes retention storage in the form of rainwater tanks for collection of

roof water runoff from each beach shack and the accommodation buildings. Detention
storage is not proposed for this development.

02 Water balance modelling has been undertaken specific to roof catchment areas, local
rainfall patterns, seasonal variability in occupancy rates and demand rates. This modelling
demonstrates that the rainwater tank sizes proposed for the developed site are effective in
lowering the average annual runoff volume to lower than the existing scenario.

03 Captured rainfall runoff is proposed for non-potable reuse where considered appropriate.
Beach shacks will reuse rainwater for toilet flushing and laundry demands. The captured
rainwater in underground tanks of accommodation buildings is proposed for irrigation of

landscaped areas.
04 Detention storage is not proposed for this development.
05 Not applicable as subject site is not within the Shire Business Centre site.
Run-off Treatment
06 A treatment train of Stormwater Quality Improvement Devices (SQIDs) is proposed to treat

runoff from both the subject site and external site areas to reduce the pollutant loads and
concentrations draining to downstream areas.

O07 Not applicable as subject site is not within the Shire Business Centre site.

Town water Supply Connections

08 Backflow prevention devices or similar will be installed on water reuse facilities to ensure
that mixing with town mains water does not occur.

Use of Natural Treatments and Systems

09 Natural treatment strategies for water quality controls including bio-filtration basins,
ephemeral wetlands and vegetated swales are proposed for the development. These
basins and wetlands will provide visually appealing solutions to water quality management
in the holiday accommodation development.

010 Not applicable as subject site is not within the Shire Business Centre site.

NMoud”

 

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