Appendix D- Stormwater Management Plan · MCU23/0078

BORNHORST
+WARD

Table 10: XP Storm Developed Mitigated Peak Flow Results — Site A (m3/sec)

 

 

 

 

 

 

 

 

 

 

 

 

Storm Duration ARI (Years)

(min) 1 2 5 10 20 50 100
20 0.037 | 0.040 | 0.091 0.161 0.247 0.408 0.515
25 0.040 | 0.046 | 0.132 0.231 0.349 0.514 0.619
30 0.042 | 0.058 | 0.177 0.295 0.422 0.579 0.680
45 0.063 | 0.101 | 0.274 0.425 0.546 0.697 0.881
60 0.084 | 0.128 | 0.326 0.482 0.617 0.798 1.010
90 0.112 | 0.162 | 0.369 0.520 0.668 0.887 1.119
120 0.124 | 0.173 | 0.369 0.517 0.660 0.838 1.081
180 0.128 | 0.179 | 0.366 0.536 0.699 0.896 1.158
Critical 0.128 | 0.179 | 0.369 0.536 0.699 0.896 1.158
Critical Event 180 180 180 180 180 180 180

 

 

 

 

 

 

 

Table 11: XP Storm Developed Mitigated Peak Flow Results — Site B (North) (m3/sec)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Storm Duration ARI (Years)

(min) 1 2 5 10 20 50 100
20 0.009 | 0.010 | 0.018 0.028 0.037 0.048 0.056
25 0.010 | 0.011 | 0.022 0.032 0.042 0.052 0.060
30 0.010 | 0.012 | 0.025 0.035 0.044 0.055 0.061
45 0.011 | 0.015 | 0.031 0.041 0.050 0.061 0.068
60 0.013 | 0.017 | 0.035 0.047 0.058 0.068 0.084
90 0.013 | 0.017 | 0.037 0.050 0.061 0.070 0.097
120 0.013 | 0.017 | 0.035 0.048 0.059 0.067 0.088
180 0.012 | 0.016 | 0.036 0.050 0.061 0.067 0.090
Critical 0.013 | 0.017 | 0.037 0.050 0.061 0.070 0.097
Critical Event 60 60 90 90 90 90 90

 

Table 12: XP Storm Developed Mitigated Peak Flow Results — Site B (North) (m3/sec)

 

 

 

 

 

 

 

 

 

 

 

 

Storm Duration ARI (Years)

(min) 1 2 5 10 20 50 100
20 0.010 | 0.011 | 0.016 | 0.028 | 0.040 | 0.053 0.063
25 0.010 | 0.011 | 0.021 | 0.036 | 0.048 | 0.061 0.077
30 0.011 | 0.012 | 0.027 | 0.041 0.053 | 0.066 0.096
45 0.012 | 0.015 | 0.038 | 0.052 | 0.063 | 0.097 0.132
60 0.013 | 0.018 | 0.042 | 0.058 | 0.074 | 0.122 0.153
90 0.015 | 0.021 | 0.046 | 0.061 | 0.089 | 0.130 0.161
120 0.016 | 0.022 | 0.045 | 0.060 | 0.086 | 0.128 0.161
180 0.016 | 0.022 | 0.044 | 0.061 0.104 | 0.134 0.161
Critical 0.016 | 0.022 | 0.046 | 0.061 | 0.104 | 0.134 0.161
Critical Event 120 | 120 90 90 180 180 90

 

 

 

 

 

 

 

 

 

 

Further details of the outputs for the critical events have been located within Appendix D.

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