Pre-post comparison calculations.pdf

Subsection: Master Network Summary
Catchments Summary
Label Scenario Return Hydrograph Time to Peak Peak Flow
Event Volume (min) (ft3/s)
(years) (ac-ft)
SUB 1 Pre-Dev 1 yr 1 0.973 722.000 19.07
SUB 1 Pre-Dev 10 yr 10 2.951 721.000 53.28
SUB 1 Pre-Dev 25 yr 25 3.958 721.000 66.99
SUB 1 Pre-Dev 50 yr 50 4.801 721.000 77.49
SUB 1 Pre-Dev 100 yr 100 5.698 721.000 87.21
SUB 2 Pre-Dev 1 yr 1 1.295 722.000 25.37
SUB 2 Pre-Dev 10 yr 10 3.926 721.000 70.89
SUB 2 Pre-Dev 25 yr 25 5.267 721.000 89.12
SUB 2 Pre-Dev 50 yr 50 6.387 721.000 103.10
SUB 2 Pre-Dev 100 yr 100 7.580 721.000 116.02
1 SCM A Post-Dev 1 yr 1 0.331 722.000 7.05
1 SCM A Post-Dev 10 yr 10 0.840 721.000 15.37
1 SCM A Post-Dev 25 yr 25 1.084 721.000 18.35
1 SCM A Post-Dev 50 yr 50 1.284 721.000 20.60
1 SCM A Post-Dev 100 yr 100 1.495 721.000 22.62
1 SCM B Post-Dev 1 yr 1 0.300 722.000 6.38
1 SCM B Post-Dev 10 yr 10 0.760 721.000 13.91
1 SCM B Post-Dev 25 yr 25 0.981 721.000 16.62
1 SCM B Post-Dev 50 yr 50 1.163 721.000 18.65
1 SCM B Post-Dev 100 yr 1 1001 1.354 1 721.000 1 20.48
Node Summary
Label Scenario Return Hydrograph Time to Peak Peak Flow
Event Volume (min) (ft3/s)
(years) (ac-ft)
POA 1 Post-Dev 1 yr 1 0.331 722.000 7.05
POA 1 Pre-Dev 1 yr 1 0.973 722.000 19.07
POA 1 Pre-Dev 10 yr 10 2.951 721.000 53.28
POA 1 Post-Dev 10 yr 10 0.840 721.000 15.37
POA 1 Pre-Dev 25 yr 25 3.958 721.000 66.99
POA 1 Post-Dev 25 yr 25 1.084 721.000 18.35
POA 1 Pre-Dev 50 yr 50 4.801 721.000 77.49
POA 1 Post-Dev 50 yr 50 1.284 721.000 20.60
POA 1 Pre-Dev 100 yr 100 5.698 721.000 87.21
POA 1 Post-Dev 100 yr 100 1.495 721.000 22.62
POA 2 Post-Dev 1 yr 1 0.300 722.000 6.38
POA 2 Pre-Dev 1 yr 1 1.295 722.000 25.37
POA 2 Pre-Dev 10 yr 10 3.926 721.000 70.89
POA 2 Post-Dev 10 yr 10 0.760 721.000 13.91
POA 2 Pre-Dev 25 yr 25 5.267 721.000 89.12
POA 2 Post-Dev 25 yr 25 0.981 721.000 16.62
POA 2 Pre-Dev 50 yr 50 6.387 721.000 103.10
POA 2 Post-Dev 50 yr 50 1.163 721.000 18.65
POA 2 Pre-Dev 100 yr 100 7.580 721.000 116.02
Bentley Systems,Inc. Haestad Methods Solution Pond Pack CONNECT Edition
LEN21003.ppc Center [10.02.00.01]
9/1/2023 27 Siemon Company Drive Suite 200 W Page 1 of 3
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