sdap-response-template-v1-6-10-1 · OPW15/0240

_______________________________________________________________________________________________________________________________________________Callaghan & Toth Pty Ltd

Performance outcomes                      Acceptable outcomes                                                  Response       Comment
                                              development is an erosion control structure
                                          (6) reduces the risk of shoreline erosion for areas
                                              adjacent to the development footprint to the
                                              maximum extent feasible in the case of erosion
                                              control structures.
                                          AND

                                          AO5.2 Development in a storm tide inundation area is                               The directional drilling of the rising main means there are no
                                          located, designed, constructed and operated to:                                     impacts to mangroves, and very limited impacts to the
                                          (1) maintain dune crest heights, or where a reduction in                            coastal ecosystems. The impact areas are the launch pit,
                                               crest heights cannot be avoided, mitigate risks to                             connection pits and exit pits which will be rehabilitated with
                                               development from wave overtopping and storm tide                               vegetation.
                                               inundation                                                                     The emergency works were such to limit impacts to the
                                          (2) maintain or enhance coastal ecosystems and natural                              coastal ecosystems. The rising main was isolated quickly
                                               features, such as mangroves and coastal wetlands,                              and sewage flows redirected away from the broken rising
                                               between the development and tidal waters, where the                            main. Contaminated soil in Weyba Creek was removed and
                                               coastal ecosystems and natural features protect or                             taken offsite.
                                               buffer communities and infrastructure from sea-level
                                               rise and impacts from storm tide inundation.
                                          AND

                                          AO5.3 Redevelopment of built structures in the erosion               N/A            N/A
                                          prone area within a coastal management district:
                                          (1) avoids intensifying the use of the premises, or
                                          (2) demonstrates that any intensification of use will not
                                              result in an increase in the need for erosion control
                                              structures or riverbank hardening.
                                          AND

                                          AO5.4 Development that is coastal protection work                    N/A            N/A
                                          involves:
                                          (1) beach nourishment undertaken in accordance with a
                                               program of beach nourishment works that source
                                               sediment of a suitable quality and type from outside
                                               the active beach system, or
                                          (2) the construction of an erosion control structure,
                                               where it is demonstrated that installing an erosion
                                               control structure is the only feasible option for
                                               protecting permanent structures from coastal erosion
                                               and those structures cannot be abandoned or
                                               relocated in the event of coastal erosion occurring.
                                          Editor’s note: Applications for coastal protection work should be
                                          supported by a report certified by a Registered Professional


State development assessment provisions                                       Module 10 — Coastal protection         10.1 Tidal works, or development in the coastal management district state code
6 July 2015 V1.6                                                                                                                                                                       Page 4 of 16