17155 - Stormwater Quantity Assessment Letter - Rev 0 · OPW17/0612

                                                          Pre Dev [ALL STORMS]
                                                                      Total Flow

                        20yr 10min max [2.435]     50yr 10min max [3.030]          20yr 15min max [3.100]    50yr 15min max [3.539]

                        20yr 20min max [3.026]     50yr 20min max [3.468]          20yr 25min max [3.603]    50yr 25min max [3.776]

                        20yr 30min max [3.355]     50yr 30min max [3.576]          20yr 45min max [2.809]    50yr 45min max [3.195]

                        20yr 60min max [3.109]     50yr 60min max [3.411]          20yr 90min max [2.555]    50yr 90min max [2.679]

                       20yr 120min max [2.468]    50yr 120min max [2.560]      20yr 180min max [1.856]      50yr 180min max [1.953]

                       20yr 270min max [1.693]    50yr 270min max [1.773]      20yr 360min max [1.292]      50yr 360min max [1.384]

                       20yr 540min max [1.297]    50yr 540min max [1.392]      20yr 720min max [1.360]      50yr 720min max [1.460]

                       20yr 1080min max [0.972]   50yr 1080min max [1.057]     20yr 1440min max [1.012]     50yr 1440min max [1.102]

                       20yr 2160min max [0.713]   50yr 2160min max [0.783]     20yr 2880min max [0.688]     50yr 2880min max [0.754]

                       20yr 4320min max [0.510]   50yr 4320min max [0.568]


                   3
Total Flow [cms]




                   2


                   1


                   0
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               1 Thu Jan 2015                                               Time


[OCR of page images]
20yr 10min max [2.435]

20yr 20min max [3.026]

20yr 30min max [3.355]

Pre Dev [ALL STORMS]

Total Flow

50yr 10min max [3.030]

50yr 20min max [3.468]
50yr 30min max [3.576]

20yr 15min max [3.100]

20yr 25min max [3.603]

20yr 45min max [2.809]

50yr 15min max [38.539]
50yr 25min max [3.776]

50yr 45min max [3.195]

Total Flow [cms]

Pe
20yr 60min max [3.109] 50yr 60min max [3.411] 20yr 90min max [2.555] 50yr 90min max [2.679]
Pe as ;
20yr 120min max [2.468] 50yr 120min max [2.560] 20yr 180min max [1.856] 50yr 180min max [1.953]
| a

20yr 270min max [1.693] 50yr 270min max [1.773] 20yr 360min max [1.292]

20yr 720min max [1.360]

50yr 360min max [1.384]

50yr 720min max [1.460]

20yr 540min max [1.297] 50yr 540min max [1.392]

20yr 1080min max [0.972] 50yr1080min max [1.057] 20yr1440min max[1.012] 50yr1440min max [1.102]

50yr 2160min max [0.783]

20yr 2160min max [0.713] 20yr 2880min max [0.688] 50yr 2880min max [0.754]

20yr 4320min max [0.510] 50yr4320min max [0.568]

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1 Thu Jan 2015

Time