Reference Douments - 132004.4029.01 & RAL22/0010

           DRAINS Modelling Results
           Project number:    20220116                                                           Calculations:         B. Parry
           Street Address:    6 Martin St
           Locality:          Peregian Beach, NSC                                                Date:                 6/09/2022




           Pre / Post Comparison


           A.E.P                 Qy Pre (m3/s)           Qy Post (m3/s) Qchange (m3/s)           Qchange (%)
                          1 EY                   0.024             0.027                 0.003                   13%
                      50% AEP                    0.029             0.029                 0.000                    0%
                        0.2 EY                   0.044             0.045                 0.001                    2%
                      10% AEP                    0.053             0.053                 0.000                    0%
                       5% AEP                    0.061             0.061                 0.000                    0%
                       2% AEP                    0.070             0.071                 0.001                    1%
                       1% AEP                    0.078             0.078                 0.000                    0%




Document Set ID: 22141549
Version: 1, Version Date: 18/10/2022