Annex 10 - Code 8 - Coastal Development & Tidal Works

  Performance outcomes                                  Acceptable outcomes   Response
                                                                              boat ramp (30m downstream) and a submarine cable
                                                                              within the site (minimum distance 10m to reef
                                                                              patches). Onshore infrastructure includes a concrete
                                                                              path (~15m landward) and buildings and carparks
                                                                              well landward of the path. As the shoreline is
                                                                              characterised by dense mangroves and other
                                                                              vegetation fringed by existing rocky rubble it is
                                                                              unlikely that the works will result in increased risk to
                                                                              people and property as a result of erosion.

                                                                              Noosa Sound West is undeveloped and the only
                                                                              infrastructure in proximity to the works is a jetty and
                                                                              submarine cable more than 30m downstream that are
                                                                              surrounded by a considerable extent of mangroves.
                                                                              The site is characterised by very low tidal and flood
                                                                              velocities and correspondingly low sediment transport
                                                                              rates. As such, there is no significant increased risk
                                                                              to this infrastructure as a result of the works. The reef
                                                                              patches would be expected to dissipate waves and
                                                                              vessel wake such that erosion may be reduced in the
                                                                              lee.

                                                                              Noosa Sound East is adjacent to private properties
                                                                              however the private buildings lie at a significant
                                                                              distance to the shoreline along a high escarpment to
                                                                              the east of Noosa Sound. Infrastructure in close
                                                                              proximity to the shore is limited to private property
                                                                              access structures (boat ramp and jetties). The design
                                                                              allows for a minimum distance of 10m from these
                                                                              structures. The site is characterised by very low tidal
                                                                              and flood velocities and correspondingly low sediment
                                                                              transport rates. As such, there is no significant
                                                                              increased risk to this infrastructure as a result of the
                                                                              works. The reef patches would be expected to
                                                                              dissipate waves and vessel wake such that erosion
                                                                              may be reduced in the lee.
State Development Assessment Provisions – version 2.6
State code 8: Coastal development and tidal works                                                             Page 6 of 20