2021-01-18 GC - Item 3 - Attachment 3 - Cost Benefit Analysis for Coastal Erosion Options

Table 4        Eastern Beaches - Present Values ($m relative to base case)

                                               Option 2                  Option 3              Option 4   Option 5   Option 6   Option 7
 Costs
 Dune management costs                         0.1                       0.1                                                    0.1
 Augmentation costs                                                      220
 Seawall costs                                                                                 55
 Property development costs                    6                         46                    46         -58        -52        -34
 Benefits
 Property benefits                             69                        502                   502        -449       -187       38
 Asset benefits                                0.3                       3                     3                                0.3
 Recreational benefits                                                                         -1607
 Tourism benefits                                                                              -1265
 Non-use benefits                                                                              -306
 Amenity benefits                                                                                         170        65

 Net present value                             63                        239                   -2773      -222       -70        73
Note:     Darker orange indicates higher costs, whilst darker blue indicates higher benefits




AITHER | Final Report                                                                                                                      21
Noosa Shire Council – Coastal Hazard Adaptation Plan