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
Tewantin
                                                                 1 in 20 yr ARI Now     Foreshore fringe of                          Possible       Insignificant   Insignificant   Insignificant    Insignificant      Low
                                                                                        Martin (Water) Park,
                                                                 1 in 100 yr ARI Now    western half of Earl                          Unlikely         Minor           Minor           Minor            Minor           Low
                                                                                        St Park, boat ramp
                                                                                         + fringe of Martin/
                                                                 1 in 500 yr ARI Now       Tewantin Park                               Rare            Minor           Minor           Minor            Minor           Low
                                                                                                carpark
                                                                                          + most of Earl St
                                                                 1 in 20 yr ARI 2040                                                 Possible          Minor           Minor           Minor            Minor         Medium
                                                                                                 Park
                                                                                         + all of water park,
                                                    Storm Tide   1 in 100 yr ARI 2040                                                 Unlikely       Moderate          Minor         Moderate         Moderate        Medium
                                                                                         partial Ward Park
                                                    Inundation
                                                                 1 in 500 yr ARI 2040   + all of Earl St Park                          Rare          Moderate          Minor         Moderate         Moderate          Low
                                                                                        + most of Tewantin
                                                                 1 in 20 yr ARI 2070                                                 Possible        Moderate          Minor         Moderate         Moderate        Medium
   Foreshore                                                                                Park carpark
   Parklands        Lots 300 &                                                            + all of Tewantin
                                     Foreshore
    (Martin,           326                                       1 in 100 yr ARI 2070   Park carpark, half of                         Unlikely       Moderate          Minor           Major            Major          High
                                   landscaping,                                                                   Localised
Tewantin & Earl     CP855842,                                                                Martin Park
                                  park & boating                                                                  riverwalls
Street), includes    Lot 384                                     1 in 500 yr ARI 2070                                                 Rare           Moderate          Minor           Major            Major         Medium
                                   infrastructure
 Tewantin Boat      MCH4005                                       1 in 20 yr ARI 2100   + all of Martin Park                         Possible        Moderate          Minor           Major            Major          High
     Ramp                                                        1 in 100 yr ARI 2100                                                Unlikely        Moderate          Minor           Major            Major          High         Levee,
                                                                 1 in 500 yr ARI 2100   + half of Ward Park                           Rare           Moderate          Minor           Major            Major         Medium       align with
                                                                                          Foreshore fringe,                                                                                                                         riverine
                                                                                          mangroves, boat                                                                                                                             flood
                                                                        2040                                                       Almost Certain      Minor           Minor           Minor            Minor         Medium
                                                                                         ramp + half Earl St                                                                                                                      protection
                                                                                                 Park                                                                                                                               options,
                                                                                            Large areas of                                                                                                                        temporary
                                                    Permanent                                                                                                                                                                         flood
                                                                                        parkland, all of Earl
                                                    Sea Level           2070                                                       Almost Certain    Moderate          Minor         Moderate         Moderate         High         barriers
                                                                                        St Park. (skate park,
                                                       Rise
                                                                                          splash park, etc)
                                                                                        Majority of parkland,
                                                                                          partial Ward Park
                                                                        2100                                                       Almost Certain      Major           Minor           Major            Major        Very High
                                                                                         (skate park, splash
                                                                                               park, etc)
                                                                 1 in 20 yr ARI Now       Foreshore fringe                           Possible       Insignificant   Insignificant   Insignificant    Insignificant      Low
                                                                                           Small amount of
                                                                 1 in 100 yr ARI Now                                                  Unlikely      Insignificant   Insignificant      Minor            Minor           Low
                                                                                                assets
                                                                                            + some assets
                                                                                          beneath Ward Pk
                                                                 1 in 500 yr ARI Now                                                   Rare            Minor        Insignificant    Moderate         Moderate          Low
                                                                                          and splash/skate
                                                                                                  park
                                                                                           Small amount of
                                                                 1 in 20 yr ARI 2040                                                 Possible       Insignificant   Insignificant      Minor            Minor         Medium
                                                    Storm Tide                                  assets
                      Tewantin                                   1 in 100 yr ARI 2040        Some assets                             Unlikely                                                         Moderate        Medium
                                                    Inundation                                                                                         Minor        Insignificant    Moderate
                      foreshore
                                                                 1 in 500 yr ARI 2040        Many assets                              Rare             Minor        Insignificant     Major            Major           Low
                     from Ward
                                   Stormwater,                    1 in 20 yr ARI 2070        Some assets           Foreshore         Possible          Minor        Insignificant    Moderate         Moderate        Medium
                       Park to
     Critical                                                    1 in 100 yr ARI 2070                           vegetation until     Unlikely          Minor        Insignificant     Major            Major           High
                       Marina,       telecom
 Infrastructure                                                  1 in 500 yr ARI 2070       Most assets         riverwalls near       Rare             Minor        Insignificant     Major            Major          Medium
                      including   network assets                  1 in 20 yr ARI 2100                              waterpark         Possible          Minor        Insignificant     Major            Major           High
                     boat ramp
                    carpark and                                  1 in 100 yr ARI 2100    All assets beneath                          Unlikely          Minor        Insignificant     Major            Major           High
                     water park                                                         Ward Pk, foreshore,                                                                           Major            Major
                                                                 1 in 500 yr ARI 2100                                                  Rare            Minor        Insignificant                                     Medium
                                                                                          carpark, Lake St
                                                                                          Foreshore fringe,
                                                                                          mangroves, boat
                                                                        2040                                                       Almost Certain      Minor           Minor           Minor            Minor         Medium
                                                                                         ramp + half Earl St
                                                    Permanent
                                                                                                Park
                                                    Sea Level
                                                                                           Large areas of
                                                       Rise
                                                                                        parkland, all of Earl
                                                                        2070                                                       Almost Certain    Moderate          Minor         Moderate         Moderate         High
                                                                                        St Park. (skate park,
                                                                                          splash park, etc)