20220237 73 Southern Cross Pde SWMP

DRAINS Modelling Results
Project number:     20220237                                                                Calculations:        B. Parry
Street Address:     73 Southern Cross Parade
Locality:           Sunrise Beach, NSC                                                      Date:                31/10/2022




Pre / Post Comparison

                                 3                        3                  3
A.E.P                   Qy Pre (m /s)           Qy Post (m /s)     Qchange (m /s)           Qchange (%)
          63.2% AEP                     0.022              0.024                    0.002                   9%
              0.5 EY                    0.029              0.031                    0.002                   7%
              0.2 EY                    0.038              0.041                    0.003                   8%
            10% AEP                     0.049              0.049                    0.000                   0%
             5% AEP                     0.055              0.056                    0.001                   2%
             2% AEP                     0.064              0.064                    0.000                   0%
             1% AEP                     0.072              0.072                    0.000                   0%