2021-01-18 GC - Item 3 - Attachment 2 - Phase 7 Project Summary Coastal Hazards Adaptation Plan

                                                                                                                                                                 Consequence                                      Risk Level   Potential
                                                   Hazard       Event/ Planning                                  Existing       Likelihood of                                                     Combined
 Asset Name      Location       Asset Type                                             Impacted Assets                                                            Environ-                                         Adaptive     Control
                                                    Type           Horizon                                       Controls        the Hazard      Community                        Council        Consequence
                                                                                                                                                                   mental                                          Capacity    Options
Noosa North Shore
                                                                                      Riverfront fringe of
                                                               1 in 20 yr ARI Now        lots. Approx. 8                          Possible       Insignificant   Insignificant   Insignificant    Insignificant      Low
                                                                                            dwellings
                                                                                       Approx. half of all
                                                               1 in 100 yr ARI Now                                                 Unlikely       Moderate       Insignificant      Minor            Minor         Medium
                                                                                      lots part inundated
                                                                                          Most lots part
                                                               1 in 500 yr ARI Now    inundated, approx.                            Rare            Major           Minor           Minor            Major         Medium
                                                                                      half of all dwellings
                  [NNS1]
                                                                                      Riverfront fringe of
                Area bound                        Storm Tide   1 in 20 yr ARI 2040       lots. Approx. 8                          Possible          Minor        Insignificant      Minor            Minor         Medium
                 by Great                         Inundation                                dwellings
                   Sandy
                                                               1 in 100 yr ARI 2040                                               Unlikely          Major         Moderate        Moderate           Major          High
                  National       Detached
                                                               1 in 500 yr ARI 2040                                                Rare             Major         Moderate        Moderate           Major         Medium
                   Park,        Residential,
 Residential
                   Noosa        acreage with                   1 in 20 yr ARI 2070                             Floor heights,     Possible          Major         Moderate        Moderate           Major          High
                                                                                         Most lots part
  properties,
                River Drive,   dwelling, septic                1 in 100 yr ARI 2070                              localised        Unlikely          Major         Moderate        Moderate           Major          High         Buyback
                                                                                      inundated, dwellings
 Noosa River
                 Homeport      systems, Open                   1 in 500 yr ARI 2070                                                Rare             Major         Moderate        Moderate           Major         Medium        scheme,
                                                                                           impacted
                   Track,          Space                       1 in 20 yr ARI 2100                                                Possible          Major         Moderate        Moderate           Major          High        rezone to
                   Noosa                                       1 in 100 yr ARI 2100                                               Unlikely          Major         Moderate        Moderate           Major          High          avoid
                   River                                       1 in 500 yr ARI 2100                                                Rare             Major         Moderate        Moderate           Major         Medium       additional
                                                                                        Approx. half of all                                                                                                                     dwellings,
                                                                      2040                                                      Almost Certain      Minor           Minor           Minor            Minor         Medium        building
                    37 lots                                                            lots part impacted
                                                                                      Whole or part areas                                                                                                                        controls
                                                                      2070            of most lots, approx.                     Almost Certain    Moderate          Minor         Moderate         Moderate         High        (maintain
                                                  Permanent                                                                                                                                                                      only, no
                                                  Sea Level                            half of all dwellings
                                                                                                                                                                                                                                upgrade/
                                                     Rise                                                                                                                                                                      expansion),
                                                                                      Most lots and most
                                                                      2100              dwellings fully                         Almost Certain      Major           Minor         Moderate           Major        Very High    alternative
                                                                                          impacted                                                                                                                                septic
                                                                                                                                                                                                                                 designs
                                                                                      Riverfront fringe of
                                                               1 in 20 yr ARI Now         lots. Few lots                          Possible       Insignificant   Insignificant   Insignificant    Insignificant      Low
                                                                                       partially impacted
                                                                                       Approx. half of all
                                                               1 in 100 yr ARI Now    lots part impacted.                          Unlikely         Minor        Insignificant      Minor            Minor           Low
                                                                                         Few dwellings
                                                                                           All lots part
                                                               1 in 500 yr ARI Now    impacted, approx.                             Rare          Moderate          Minor           Minor          Moderate          Low
                                                                                      half of all dwellings
                  [NNS2]                                                                   All lots part
                Area bound                                     1 in 20 yr ARI 2040       impacted, few                            Possible          Minor        Insignificant      Minor            Minor         Medium
                 by Great                                                                   dwellings
                                 Detached                                                  All lots part
                   Sandy                          Storm Tide
                                Residential,                   1 in 100 yr ARI 2040   impacted, approx.                            Unlikely                                                        Moderate        Medium
 Residential     National                         Inundation                                                                                      Moderate          Minor           Minor
                                acreage with                                          half of all dwellings    Floor heights,
  properties,      Park,
                               dwelling, septic                                                                  localised
 Noosa River    Wygani Dr,                                                                 All lots part
                               systems, Open
                   Noosa                                       1 in 500 yr ARI 2040     impacted, most                              Rare            Major         Moderate          Minor            Major         Medium
                                   Space
                   River                                                                    dwellings
                                                                                           All lots part
                    24 lots                                    1 in 20 yr ARI 2070    impacted, approx.                           Possible        Moderate          Minor           Minor          Moderate        Medium
                                                                                      half of all dwellings
                                                               1 in 100 yr ARI 2070                                               Unlikely          Major         Moderate        Moderate           Major          High
                                                               1 in 500 yr ARI 2070      All lots part                             Rare             Major         Moderate        Moderate           Major         Medium
                                                               1 in 20 yr ARI 2100     impacted, most                             Possible          Major         Moderate        Moderate           Major          High
                                                               1 in 100 yr ARI 2100   dwellings impacted                          Unlikely          Major         Moderate        Moderate           Major          High
                                                               1 in 500 yr ARI 2100                                                Rare             Major         Moderate        Moderate           Major         Medium
                                                  Permanent                             Approx. half of all
                                                  Sea Level           2040             lots part impacted.                      Almost Certain    Moderate          Minor           Minor          Moderate         High
                                                     Rise                                Some dwellings