Att 2 SWMP

                      Table 3.2 Existing and proposed mitigated site peak discharge rates

                                                         16 Rene Street
                                                                                      Qchange
                                A.E.P        Qexisting     Qproposed      Qchange      (%)
                                             (m³/s)        (m³/s)         (m³/s)

                               63.20%        0.031         0.030       -0.001        -3%
                               50%           0.038         0.036       -0.002        -5%
                               20%           0.062         0.059       -0.003        -5%
                               10%           0.077         0.074       -0.003        -4%
                               5%            0.093         0.085       -0.008        -9%
                               2%            0.106         0.099       -0.007        -7%
                               1%            0.116         0.107       -0.009        -8%




 Figure 3.3 – Mitigated post development site critical storm rainfall hydrographs showing peak flow rates

As the total peak flows are equal to or below the existing site conditions, the development suitably
controls the peak flow storm events from the development.




Project number 20210121
File RECOR Preliminary Stormwater Management Report - 20210121.docx, 2021-10-07                                   Page 12 of 26
Revision 0

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