20220218 22 Grant SWMP · MCU22/0172

DRAINS Modelling Results
Project number:     20220218                                                                Calculations:         B. Parry
Street Address:     22 Grant St
Locality:           Noosa Heads, NSC                                                        Date:                 5/09/2022




Pre / Post Comparison

                                 3                        3                  3
A.E.P                   Qy Pre (m /s)           Qy Post (m /s)     Qchange (m /s)           Qchange (%)
                1 EY                    0.016              0.018                    0.002                   13%
            50% AEP                     0.018              0.020                    0.002                   11%
              0.2 EY                    0.027              0.030                    0.003                   11%
            10% AEP                     0.035              0.036                    0.001                    3%
             5% AEP                     0.040              0.041                    0.001                    3%
             2% AEP                     0.047              0.047                    0.000                    0%
             1% AEP                     0.051              0.051                    0.000                    0%