Volume 2 - Code Responses · 132006.823

                     COLUMN 1                                            COLUMN 2                                            ASSESSMENT
              SPECIFIC OUTCOMES                         PROBABLE SOLUTIONS (if code assessable)
O4                                                    S4.1                                                  Complies with specific outcome.
On-site detention does not adversely impact on        No solution provided.                                 The collection and reuse of roofwater is from the
water requirements downstream of the site where                                                             villa units only. This will have no impact on
the water is required to sustain the ecology and                                                            downstream water systems. The run-off that is
hydrology of downstream systems (environmental                                                              being captured is being dispersed over the site by
flows);                                                                                                     garden watering thereby returning water to the
AND                                                                                                         water table.
O5                                                    S5.1                                                  Not applicable.
Within the Shire Business Centre site, as             No solution provided                                  Site is not within the Shire Business Centre.
shown on Map SBC, on-site detention measures
are contained within the developed areas of the
site, clear of drainage lines and Open Space
Precincts.
Managing contamination risk
O6                                                    S6.1                                                  Complies with specific outcome.
Materials used as fill are suitable for development   The fill material is solid clean earth, free of       Development proposal complies with prescribed
of the land and filling or excavation works do not    putrescible or refuse material, vegetation, acid      solution. The fill material to be used on the site
result in the contamination of land.                  sulfate soils, building or construction material or   will be solid clean earth, free of putrescible or
                                                      other material or contaminants;                       refuse material, vegetation, acid sulfate soils,
                                                      AND                                                   building or construction material or contaminants.

                                                      S6.2                                                  The site is on the environmental management
                                                      The site is not on the contaminated land register.    register but as part of the clean up process,
                                                                                                            identified arsenic impacted soil, within areas of the
                                                                                                            original site, were removed and transferred to an
                                                                                                            on-site engineered containment cell located within
                                                                                                            Lot 113 SP 186498 (Stage 3 Viridian site). Records
                                                                                                            provided to Golder Associates Pty Ltd indicate
                                                                                                            that approximately 6000 m³ of material was
                                                                                                            transferred to the cell. A protective plastic marker
                                                                                                            geotextile, comprising orange fortacon 200 micron,
                                                                                                            was laid over the infilled cell. The marker was
                                                                                                                                              Volume II: Code Responses

                                                                                                                                              Viridian Noosa Project
                                                                                                                                              Viridian Stage 3

Water Sensitive Design Code                                                                                                                   11 April 2006      Page 133