075-028 SWMP Report

            Table C -Rational method calculations (Pre Development)

                                               1%                        2%                        5%                       10%                         18%                       39%                           63%
            Area     tc       I100    C100               I50     C50               I20     C20               I10     C10               I5         C5               I2       C2                I1         C1
Catchment                                     AEP                        AEP                       AEP                       AEP                         AEP                       AEP                           AEP

             (ha)   (min)   (mm/hr)          (m³/s)    (mm/hr)          (m³/s)   (mm/hr)          (m³/s)   (mm/hr)          (m³/s)   (mm/hr)            (m³/s)   (mm/hr)          (m³/s)    (mm/hr)             (m³/s)

  C01       0.074   11.14    248      0.96    0.049     226      0.92   0.043     197      0.84   0.034     173      0.80   0.029     152        0.76   0.024      99      0.68   0.014       80        0.64    0.011




            Table D -Rational method calculations (Post Development)


                                               1%                        2%                        5%                        10%                         18%                        39%                           63%
             Area     tc      I100    C100               I50     C50               I20      C20              I10     C10                I5        C5                I2      C2                     I1     C1
Catchment                                      AEP                       AEP                       AEP                       AEP                         AEP                        AEP                           AEP

             (ha)   (min)   (mm/hr)           (m³/s)   (mm/hr)          (m³/s)   (mm/hr)          (m³/s)   (mm/hr)          (m³/s)   (mm/hr)            (m³/s)   (mm/hr)           (m³/s)    (mm/hr)             (m³/s)

  P01       0.074   11.14     248     1.00    0.051      226     0.97   0.045      197     0.88   0.036      173     0.84   0.030      152       0.80   0.025      99      0.71    0.015       80        0.67    0.011




                                                                                        Page 10 of 18
                                             2261 david low way, peregian beach, qld 4573      acn: 626 671 092                              [email protected]


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Table C -Rational method calculations (Pre Development)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1% 2% 5% 10% 18% 39% 63%
Area te loo C100 Iso Cso ho C20 ho Cio Is Cs l Q h CG.
Catchment. AEP AEP AEP AEP AEP AEP AEP
(ha) | (min) | (mm/hr) (m?/s) | (mm/hr) (m3/s) | (mm/hr) (m?/s) | (mm/hr) (m3/s) | (mm/hr) (m3/s) | (mm/hr) (m3/s) | (mm/hr) (m3/s)
co1 0.074 | 11.14 248 0.96 | 0.049 226 0.92 | 0.043 197 0.84 | 0.034 173 0.80 | 0.029 152 0.76 | 0.024 99 0.68 | 0.014 80 0.64 | 0.011
Table D -Rational method calculations (Post Development)
1% 2% 5% 10% 18% 39% 63%
Area t loo C100 Is0 Cso lo Cro lio Cio Is Cs Ip Q hh GQ
Catchment AEP AEP AEP AEP AEP AEP AEP
(ha) | (min) | (mm/hr) (m3/s) | (mm/hr) (m?/s) | (mm/hr) (m3/s) | (mm/hr) (m3/s) | (mm/hr) (m3/s) | (mm/hr) (m/s) | (mm/hr) (m/s)
Pol 0.074 | 11.14 248 1.00 | 0.051 226 0.97 | 0.045 197 0.88 | 0.036 173 0.84 | 0.030 152 0.80 | 0.025 99 0.71 0.015 80 0.67 | 0.011

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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ACN: 626 671 092

2261 DAVID LOW WAY, PEREGIAN BEACH, QLD 4573

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