2019-12-16 GC Agenda - Item 5 - Attachment 1 - Noosa Spit Shoreline Erosion Management Plan-Part 1

Noosa Spit SEMP Final Report                                                                                                                                                                                                                                                                                                                                                                                       68
Shoreline Erosion Mitigation Options




                                                                                                                                                                                                                                       Community Acceptability
                                                                Planning & Consultation




                                                                                                                                                                                                             Environmental or Social




                                                                                                                                                                                                                                                                                                                                                                  Score (Go = 1, Slow = 0,
                                                                                                                                                                                                                                                                                          Effectiveness over time
                                                                                                                                                                                                                                                                 Reversible / Adaptable




                                                                                                                                                                                                                                                                                                                    Legal / Approval Risk
                                                                                          Treats Erosion Issue




                                                                                                                                                      Maintains Foreshore




                                                                                                                                                                                                                                                                                                                                            Technical Viability
                                                                                                                                                                                                                                                                                                                                                                                             Recommended




                                                                                                                 Inundation Issue

                                                                                                                                    Maintains Beach




                                                                                                                                                                                           Recurrent Costs
                                                                                                                 Treats Oceanic
Option                Option Type                                                                                                                                                                                                                                                                                                                                                            Asset Type &/or




                                                                                                                                                                            Capital Cost
                                                                                                                                                                                                                                                                                                                                                                                             Other Comments




                                                                                                                                                                                                                                                                                                                                                                  Stop = -1)
                                                                                                                                    Amenity


                                                                                                                                                      Habitat




                                                                                                                                                                                                             Impact
                      Remove unnecessary or informal
Beach Access          access; formalise appropriate public                                                                                                                    G               G                 G                          G                         G                        G                         G                       G
                                                                                           ✓                                         ✓                                                                                                                                                                                                                                8                      Whole of Noosa Spit.
Management            paths; conduct inspection and                                                                                                                           o               o                 o                          o                         o                        o                         o                       o
                      repairs to access after erosion.

Planned Retreat Options
                      Accept loss of land or assets
                      affected by a hazard event (i.e. once
                                                                                                                                                                                                                S                           S                          S                       S                         S                                                                   Unlikely to be suitable
                      affected, the assets or land is not
Accept Impacts                                                                                                                                                                G               G                 l                           l                          t                       l                         l                       G                                           considering the
                      replaced). Allows Dog Beach to                                                                                 ✓                                                                                                                                                                                                                                 2
(Do Nothing)          recede without intervention,
                                                                                                                                                                              o               o                 o                           o                          o                       o                         o                       o                                           sheltering to existing
                                                                                                                                                                                                                w                           w                          p                       w                         w                                                                   development.
                      potentially leading to a
                      breakthrough.




                      Partial acquisition of freehold land to                                                                                                                 S                                                              S                        S                                                   S                      S                                           Not likely to be viable
Partial Land          accommodate coastal management                                                                                                                          t               G                 G                            t                        l                        G                          t                      t                                           considering the value of
                                                                                          ✓                                          ✓                                                                                                                                                                                                                               -1
Acquisition           options and/or be designated as                                                                                                                         o               o                 o                            o                        o                        o                          o                      o                                           potentially vulnerable
                      public land.                                                                                                                                            p                                                              p                        w                                                   p                      p                                           freehold land.




                                                                                                                                                                                                                                                                                                                                                                                             Not currently viable. If
                      High risk private properties are
                                                                                                                                                                                                                                                                                                                                                                                             the option of retreat is to
                      bought at market prices, and then
                                                                                                                                                                              S                                                              S                        S                                                   S                      S                                           be considered broadly
                      rented out until hazard impacts are
Buy Back / Lease                                                                                                                                                              t               G                 G                            t                        l                        G                          t                      t                                           as part of the CHAP and
                      imminent (years). When hazard is                                    ✓                                          ✓                                                                                                                                                                                                                               -1
Back                  imminent, the property is
                                                                                                                                                                              o               o                 o                            o                        o                        o                          o                      o                                           long term adaptation
                                                                                                                                                                              p                                                              p                        w                                                   p                      p                                           planning, this option
                      demolished and land returned to the
                                                                                                                                                                                                                                                                                                                                                                                             could be further
                      public.
                                                                                                                                                                                                                                                                                                                                                                                             investigated.




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