Volume 2 - Code Responses · 132006.823

                    COLUMN 1                           COLUMN 2                                          ASSESSMENT
              SPECIFIC OUTCOMES       PROBABLE SOLUTIONS (if code assessable)
                                    S1.6                                                Oceanics Australia). The management plan which
                                    For buildings,                                      is in accordance with existing best management
                                    a) temporary or permanent downpipes are             practices proposes a combination of:
                                       connected to the stormwater system before             early stabilisation of disturbed areas including
                                       laying the roof; or                                   hydromulching of general earthworks areas
                                    b) localised erosion is avoided by directing flow        and Sir Walter turfing and rock lined channels
                                       from downpipes over non-erosive areas.                along road and platform edges.
                                                                                             cut off drains to divert clean run-off away
                                                                                             from the disturbed areas.
                                                                                             early construction of underground drainage
                                                                                             including provision of GPT on all drains
                                                                                             prior to outlet.
                                                                                             construction of vegetated swales and
                                                                                             vegetated buffer strips to trap sediments prior
                                                                                             to discharge from the site.
                                                                                             protection in the form of silt fences and
                                                                                             dumped rock around all drainage inlets and
                                                                                             across drainage paths.
                                                                                             revegetation of the overall Viridian site to
                                                                                             reduce erosion from cleared steep land above
                                                                                             the proposed development site.

                                                                                        Compliance with the previously approved
                                                                                        Management Plan will protect downstream
                                                                                        properties and waterways from sediment
                                                                                        deposition.

                                                                                        Development proposal complies with the
                                                                                        prescribed solution. Sediment barriers identified
                                                                                        in S1.6 will be used to slow and spread the flow
                                                                                        from downpipes to avoid localised erosion.

                                                                                                                          Volume II: Code Responses

                                                                                                                          Viridian Noosa Project
                                                                                                                          Viridian Stage 3

Erosion and Sediment Control Code                                                                                         11 April 2006     Page 35