B07056.W-01A Complete - Stormwater [As Published] · 132007.2398

Concept Stormwater Management Plan
RSL Care – Cooroy Retirement Village

O5 Within the Shire Business        S5.1 No solution provided           Not applicable as subject site is not
Centre site, as shown on Map                                            within the Shire Business Centre site.
SBC, on-site detention
measures are contained within
the developed areas of the site,
clear of drainage lines and
Open Space Precincts.
Run-off treatment                   No solution provided                A treatment train of Stormwater Quality
O6 Run-off that leaves the site                                         Improvement Devices (SQIDs) is
is treated so as not to adversely                                       proposed to treat runoff from both the
impact on the ecology and                                               subject site and external site areas to
hydrology of downstream                                                 reduce the pollutant loads draining to
environmental flows;                                                    downstream areas. Developed
AND                                                                     pollutant loads from the total catchment
                                                                        are reduced to meet targets of the
                                                                        Healthy Waterways (2006).
                                                                        COMPLIANCE ACHIEVED
O7 Within the Shire Business        No solution provided                Not applicable as subject site is not
Centre site, as shown on Map                                            within the Shire Business Centre site.
SBC—
a) run-off treatment occurs
within the site ; and
b) drainage lines are only used
for final polishing of run-off.
Town water supply                   S8.1 A suitable backflow            Backflow prevention devices or similar
connections                         prevention device is installed to   will be installed on water reuse facilities
O8 Backflow devices or similar      protect the potable water within    to ensure that mixing with town mains
systems ensure water reuse          the reticulated water supply in     water does not occur.
facilities have no impact on the    accordance with AS/NZS              COMPLIANCE ACHIEVED
quality of the town mains water.    3500:2003 Plumbing and
                                    Drainage.

Use of natural treatments and       No solution provided                Natural treatment strategies for water
systems                                                                 quality controls including bio-filtration
O9 Natural treatment strategies,                                        basins and pods, wetlands and ponds
including grass swales and bio-                                         are proposed for the development.
retention systems, vegetated                                            These basins and wetlands will provide
filtration strips and gross                                             visually appealing solutions to water
pollutant traps, are used                                               quality management in the retirement
wherever practicable;                                                   village development. Gross pollutant
                                                                        traps are also proposed. Due to the
AND
                                                                        nature of the development (Retirement
                                                                        Village with an aged demographic),
                                                                        grassed roadside swales are not
                                                                        considered appropriate.
                                                                        COMPLIANCE ACHIEVED
O10 Within the Shire Business       No solution provided                Not applicable as subject site is not
Centre, as shown on Map                                                 within the Shire Business Centre site.
SBC— where necessary,
drainage lines are ecologically
enhanced to ensure that the
water quality polishing functions
are of high standard.




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