2015-03-31 I&S Committee - Item 4 - Attachment 1 - Flood Mitigation Investigation Ashgrove Dr Cooroy

                                                                                                 0         30         60        90 (m)

                                                                                                          1:3,000 (A3)




                                                                                         Legend

                                                                                                       DCDB
                                                                                                       Future Greenwood Grove Estate Lots
                                                                                                       Mitigation Option Linework
                                                                                                       Flow Velocity Vector




                                                                                                          Impact
                                                                                                          (m)
                                                                                                              > 0.20
                                                                                                              0.15 to 0.20
                                                                                                              0.10 to 0.15
                                                                                                              0.05 to 0.10
                                                                                                              0.01 to 0.05

                                                                                                              -0.05 to -0.01
                                                                                                              -0.10 to -0.05
                                                                                                              -0.15 to -0.10
                                                                                                              -0.20 to -0.15
                                                                                                               < -0.20


                                                                                                              W as Dry, Now W et
                                                                                                              W as W et, Now Dry




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                                                                                               Flood M itigation Investigation
                                                                                                  Ashgrove Drive, Cooroy

                                                                                               Peak Flood Level Impact Map




                                                                                                                                                   T
                                                                                        0.05% Annual Exceedance Probability
                                                                                                Design Flood Event




                                                                                                                                   AF
                                                                                                      (Case D01b Vs B01b)

                                                                                                     Client: Noosa Council




                                                                                                                           R
                                                                                                                  D
C:\HWMC\Projects\J00158_Cooroy _Mitigation_f or_Noosa_Council\Calcs\MapInf o\Figures