Volume 2 - Code Responses · 132006.823

                         COLUMN 1                                         COLUMN 2                                            ASSESSMENT
               SPECIFIC OUTCOMES                        PROBABLE SOLUTIONS (if code assessable)
                                                      S5.3
                                                      Cleared vegetation is disposed of for the purpose of
                                                      firewood.
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 not on the contaminated land register.     The site is not on the contaminated land register
                                                                                                             The site is on the Environmental Management
                                                                                                             Register. 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 subsequently overlaid with a
                                                                                                             minimum of 500 mm of clean compacted fill
                                                                                                             capping layer.
                                                                                                             Part of the proposed Stage 3 Viridian
                                                                                                             development includes construction work in the
                                                                                                             area where the cell is currently located. Options,
                                                                                                             including transferring the cell to another portion
                                                                                                             of the site, have been considered. However, it is
                                                                                                                                              Volume II: Code Responses

                                                                                                                                              Viridian Noosa Project
                                                                                                                                              Viridian Stage 3

Existing Services Code                                                                                                                        11 April 2006     Page 41