Loading...
HomeMy WebLinkAboutWPO202100018 Calculations 2021-03-19Hydrograph Return Period ReC"lraflow Hydrographs Extension for Autodesk®CMI 3130 by Autodesk, Inc. J2021 Hyd. Hydrograph Inflow Peak Outflow (cfs) Hydrograph No. type hyd(s) Description (origin) 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr 1 SCS Runoff 0.047 0.080 ----- -- 0.196 ----- -- PRE POA 1 ON 2 SCS Runoff 1.606 2.676 ----- -- 6.361 ----- -- PRE POA 1 OFF 3 SCS Runoff 1.643 2.744 -- 6.541 ----- -- PRE POA 1 4 SCS Runoff 0.195 0.343 -- 0.867 ----- ---- PRE POA 90N 5 SCS Runoff 0.337 0.699 -- 2.093 ----- ---- PRE POA 9 OFF 6 SCS Runoff 0.528 1.038 -- 2.958 ----- ---- PRE POA 9 7 SCS Runoff 1.585 2.623 -- 6.186 ----- ---- POST POA 1 8 SCS Runoff 0.165 0.311 -- 0.852 ----- ---- POST POA 2 9 SCS Runoff 0.298 0.683 -- 2.207 ----- ---- POST POA 3 10 SCS Runoff 0.064 0.106 -- 0.249 ---- ---- -- POST POA 4 11 SCS Runoff 0.016 0.033 0.095 ---- --- -- POST POA 5 12 SCS Runoff 0.304 0.548 1.421 ---- --- -- POST POA 6 13 SCS Runoff 0.011 0.022 0.063 ---- --- -- POST POA 7 14 SCS Runoff 0.005 0.011 0.032 ---- ----- -- POST POA 8 15 SCS Runoff 0.527 0.951 -- 2.474 ---- ----- -- POST POA 9 Proj. file: Dripps Phinney Pre and Post Calcs.gpw Thursday, 03 / 4 / 2021 Hydrograph Summary Report Hydranow Hydrographs Extension for Autodesk® Civil 3130 by Autodesk, Inc. v2021 Hyd. No. Hydrograph type (origin) Peak flow (CIS) Time interval (min) Time to Peak (min) Hyd. volume (cuff) Inflow hyd(s) Maximum elevation M Total strge used (cult) Hydrograph Description 1 SCS Runoff 0.047 1 718 106 PRE POA 1 ON 2 SCS Runoff 1.606 1 718 3,544 PRE POA 1 OFF 3 SCS Runoff 1.643 1 718 3,633 PRE POA 1 4 SCS Runoff 0.195 1 719 453 PRE POA 9 ON 5 SCS Runoff 0.337 1 719 937 PRE POA 9 OFF 6 SCS Runoff 0.528 1 719 1,380 PRE POA 9 7 SCS Runoff 1.585 1 718 3,477 POST POA 1 8 SCS Runoff 0.165 1 719 412 POST POA 2 9 SCS Runoff 0.298 1 720 927 POST POA 3 10 SCS Runoff 0.064 1 718 140 POST POA 4 11 SCS Runoff 0.016 1 719 44 POST POA 5 12 SCS Runoff 0.304 1 719 723 POST POA 6 13 SCS Runoff 0.011 1 719 29 POST POA 7 14 SCS Runoff 0.005 1 719 15 POST POA 8 15 SCS Runoff 0.527 1 719 1,255 POST POA 9 Dripps Phinney Pre and Post Calcs.gpw Return Period: 1 Year Thursday, 03 / 4 / 2021 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 1 PRE POA 1 ON Hydrograph type = SCS Runoff Storm frequency = 1 yrs Time interval = 1 min Drainage area = 0.050 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.06 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.047 cfs Time to peak = 718 min Hyd. volume = 106 cuft Curve number = 65.8 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 PRE POA 1 ON Q (GfS) Hyd. No. 1 -- 1 Year Q (Gf5) 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 1 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 2 PRE POA 1 OFF Hydrograph type = SCS Runoff Storm frequency = 1 yrs Time interval = 1 min Drainage area = 1.550 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.06 in Storm duration = 24 hrs Q (Cfs) 2.00 1.00 Peak discharge Time to peak Hyd. volume Curve number Hydraulic length Time of conc. (Tc) Distribution Shape factor PRE POA 1 OFF Hyd. No. 2 -- 1 Year Thursday, 03 / 4 / 2021 = 1.606 cfs = 718 min = 3,544 cult = 66.9 = Oft = 5.00 min = Type II = 484 120 240 360 480 600 720 840 960 1080 1200 1320 1440 Hyd No. 2 Q (crs) 2.00 1.00 - 0.00 1560 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 3 PRE POA 1 Hydrograph type = SCS Runoff Storm frequency = 1 yrs Time interval = 1 min Drainage area = 1.600 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.06 in Storm duration = 24 hrs Q (Cfs) 2.00 1.00 Peak discharge Time to peak Hyd. volume Curve number Hydraulic length Time of conc. (Tc) Distribution Shape factor PRE POA 1 Hyd. No. 3 -- 1 Year Thursday, 03 / 4 / 2021 = 1.643 cfs = 718 min = 3,633 cult = 66.8 = Oft = 5.00 min = Type II = 484 120 240 360 480 600 720 840 960 1080 1200 1320 1440 Hyd No. 3 Q (crs) 2.00 1.00 - 0.00 1560 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 4 PRE POA 9 ON Hydrograph type = SCS Runoff Storm frequency = 1 yrs Time interval = 1 min Drainage area = 0.230 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.06 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.195 cfs Time to peak = 719 min Hyd. volume = 453 cuft Curve number = 64.8 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 PRE POA 9 ON Q (GfS) Hyd. No. 4 -- 1 Year Q (Cfs) 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 000 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 4 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 5 PRE POA 9 OFF Hydrograph type = SCS Runoff Storm frequency = 1 yrs Time interval = 1 min Drainage area = 0.680 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.06 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.337 cfs Time to peak = 719 min Hyd. volume = 937 cuft Curve number = 60.4 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 PRE POA 9 OFF Q (GfS) Hyd. No. 5 -- 1 Year Q (Cfs) 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 000 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 5 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 6 PRE POA 9 Hydrograph type = SCS Runoff Storm frequency = 1 yrs Time interval = 1 min Drainage area = 0.910 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.06 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.528 cfs Time to peak = 719 min Hyd. volume = 1,380 cuft Curve number = 61.5 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 PRE POA 9 Q (cfs) Q (cfs) Hyd. No. 6 -- 1 Year 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 000 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 6 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 7 POST POA 1 Hydrograph type = SCS Runoff Storm frequency = 1 yrs Time interval = 1 min Drainage area = 1.490 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.06 in Storm duration = 24 hrs Q (Cfs) 2.00 1.00 Peak discharge Time to peak Hyd. volume Curve number Hydraulic length Time of conc. (Tc) Distribution Shape factor POST POA 1 Hyd. No. 7 -- 1 Year Thursday, 03 / 4 / 2021 = 1.585 cfs = 718 min = 3,477 cult = 67.2 = Oft = 5.00 min = Type II = 484 120 240 360 480 600 720 840 960 1080 1200 1320 1440 Hyd No. 7 Q (crs) 2.00 1.00 - 0.00 1560 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 8 POST POA 2 Hydrograph type = SCS Runoff Storm frequency = 1 yrs Time interval = 1 min Drainage area = 0.250 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.06 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.165 cfs Time to peak = 719 min Hyd. volume = 412 cuft Curve number = 62.5 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 POST POA 2 Q (CfS) Hyd. No. 8 -- 1 Year Q (Cfs) 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 000 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 8 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 9 POST POA 3 Hydrograph type = SCS Runoff Storm frequency = 1 yrs Time interval = 1 min Drainage area = 0.780 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.06 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.298 cfs Time to peak = 720 min Hyd. volume = 927 cuft Curve number = 58.8 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 POST POA 3 Q (CfS) Hyd. No. 9-- 1 Year Q (Cfs) 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 000 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 9 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 10 POST POA 4 Hydrograph type = SCS Runoff Storm frequency = 1 yrs Time interval = 1 min Drainage area = 0.060 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.06 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.064 cfs Time to peak = 718 min Hyd. volume = 140 cuft Curve number = 67.2 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 POST POA 4 Q (GfS) Hyd. No. 10 -- 1 Year Q (Gf5) 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Time (min) Hyd No. 10 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 11 POST POA 5 Hydrograph type = SCS Runoff Storm frequency = 1 yrs Time interval = 1 min Drainage area = 0.030 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.06 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.016 cfs Time to peak = 719 min Hyd. volume = 44 cuft Curve number = 61 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 POST POA 5 Q (GfS) Hyd. No. 11 -- 1 Year Q (Gf5) 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Time (min) — Hyd No. 11 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 12 POST POA 6 Hydrograph type = SCS Runoff Storm frequency = 1 yrs Time interval = 1 min Drainage area = 0.390 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.06 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.304 cfs Time to peak = 719 min Hyd. volume = 723 cuft Curve number = 64 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 POST POA 6 Q (CfS) Hyd. No. 12 -- 1 Year Q (Cfs) 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 000 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 12 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 13 POST POA 7 Hydrograph type = SCS Runoff Storm frequency = 1 yrs Time interval = 1 min Drainage area = 0.020 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.06 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.011 cfs Time to peak = 719 min Hyd. volume = 29 cuft Curve number = 61 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 POST POA 7 Q (GfS) Hyd. No. 13 -- 1 Year Q (Gf5) 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Time (min) — Hyd No. 13 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 14 POST POA 8 Hydrograph type = SCS Runoff Storm frequency = 1 yrs Time interval = 1 min Drainage area = 0.010 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.06 in Storm duration = 24 hrs 161-19: eE:: Thursday, 03 / 4 / 2021 Peak discharge = 0.005 cfs Time to peak = 719 min Hyd. volume = 15 cuft Curve number = 61 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 0.09 0.08 0.0tititititititititititititi 11 � � . �titititititititititititi 1 1 . �1 tititititititititititititi 11 �� tititititititititititititi 11 � � �titititititititititititi 1 1 � � �titititititititititititi 1 1 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 15 POST POA 9 Hydrograph type = SCS Runoff Storm frequency = 1 yrs Time interval = 1 min Drainage area = 0.682 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.06 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.527 cfs Time to peak = 719 min Hyd. volume = 1,255 cuft Curve number = 63.9 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 POST POA 9 Q (efs) Hyd. No. 15 -- 1 Year Q (cfs) 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 000 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Time (min) Hyd No. 15 Hydrograph Summary Report Hydranow Hydrographs Extension for Autodesk® Civil 3130 by Autodesk, Inc. v2021 Hyd. No. Hydrograph type (origin) Peak flow (CIS) Time interval (min) Time to Peak (min) Hyd. volume (cuff) Inflow hyd(s) Maximum elevation M Total strge used (cult) Hydrograph Description 1 SCS Runoff 0.080 1 718 169 PRE POA 1 ON 2 SCS Runoff 2.676 1 718 5,566 PRE POA 1 OFF 3 SCS Runoff 2.744 1 718 5,714 PRE POA 1 4 SCS Runoff 0.343 1 718 731 PRE POA 9 ON 5 SCS Runoff 0.699 1 719 1,624 PRE POA 9 OFF 6 SCS Runoff 1.038 1 718 2,344 PRE POA 9 7 SCS Runoff 2.623 1 718 5,442 POST POA 1 8 SCS Runoff 0.311 1 718 688 POST POA 2 9 SCS Runoff 0.683 1 719 1,658 POST POA 3 10 SCS Runoff 0.106 1 718 219 POST POA 4 11 SCS Runoff 0.033 1 718 75 POST POA 5 12 SCS Runoff 0.548 1 718 1,180 POST POA 6 13 SCS Runoff 0.022 1 718 50 POST POA 7 14 SCS Runoff 0.011 1 718 25 POST POA 8 15 SCS Runoff 0.951 1 718 2,052 POST POA 9 Dripps Phinney Pre and Post Calcs.gpw Return Period: 2 Year Thursday, 03 / 4 / 2021 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 1 PRE POA 1 ON Hydrograph type = SCS Runoff Storm frequency = 2 yrs Time interval = 1 min Drainage area = 0.050 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.70 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.080 cfs Time to peak = 718 min Hyd. volume = 169 cuft Curve number = 65.8 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 PRE POA 1 ON Q (GfS) Hyd. No. 1 -- 2 Year Q (Gf5) 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 1 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for AutodeskO Civil 31D9 by Autodesk, Inc. v2021 Hyd. No. 2 PRE POA 1 OFF Hydrograph type = SCS Runoff Storm frequency = 2 yrs Time interval = 1 min Drainage area = 1.550 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.70 in Storm duration = 24 hrs Q (cfs) 3.00 2.00 1.00 Peak discharge Time to peak Hyd. volume Curve number Hydraulic length Time of conc. (Tc) Distribution Shape factor PRE POA 1 OFF Hyd. No. 2 -- 2 Year 120 240 360 480 600 720 840 960 Hyd No. 2 Thursday, 03 / 4 / 2021 = 2.676 cfs = 718 min = 5,566 cuft = 66.9 = Oft = 5.00 min = Type II = 484 Q (cfs) 3.00 2.00 1.00 0.00 1080 1200 1320 1440 1560 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for AutodeskO Civil 31D9 by Autodesk, Inc. v2021 Hyd. No. 3 PRE POA 1 Hydrograph type = SCS Runoff Storm frequency = 2 yrs Time interval = 1 min Drainage area = 1.600 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.70 in Storm duration = 24 hrs Q (cfs) 3.00 2.00 1.00 Peak discharge Time to peak Hyd. volume Curve number Hydraulic length Time of conc. (Tc) Distribution Shape factor PRE POA 1 Hyd. No. 3 -- 2 Year 120 240 360 480 600 720 840 960 Hyd No. 3 Thursday, 03 / 4 / 2021 = 2.744 cfs = 718 min = 5,714 cult = 66.8 = Oft = 5.00 min = Type II = 484 Q (cfs) 3.00 2.00 1.00 0.00 1080 1200 1320 1440 1560 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 4 PRE POA 9 ON Hydrograph type = SCS Runoff Storm frequency = 2 yrs Time interval = 1 min Drainage area = 0.230 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.70 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.343 cfs Time to peak = 718 min Hyd. volume = 731 cuft Curve number = 64.8 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 PRE POA 9 ON Q (GfS) Hyd. No. 4 -- 2 Year Q (Cfs) 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 000 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 4 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 5 PRE POA 9 OFF Hydrograph type = SCS Runoff Storm frequency = 2 yrs Time interval = 1 min Drainage area = 0.680 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.70 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.699 cfs Time to peak = 719 min Hyd. volume = 1,624 cuft Curve number = 60.4 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 PRE POA 9 OFF Q (cfs) Q (cfs) Hyd. No. 5 -- 2 Year 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 000 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 5 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 6 PRE POA 9 Hydrograph type = SCS Runoff Storm frequency = 2 yrs Time interval = 1 min Drainage area = 0.910 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.70 in Storm duration = 24 hrs Q (Cfs) 2.00 1.00 Peak discharge Time to peak Hyd. volume Curve number Hydraulic length Time of conc. (Tc) Distribution Shape factor PRE POA 9 Hyd. No. 6 -- 2 Year Thursday, 03 / 4 / 2021 = 1.038 cfs = 718 min = 2,344 cuft = 61.5 = Oft = 5.00 min = Type II = 484 120 240 360 480 600 720 840 960 1080 1200 1320 1440 Hyd No. 6 Q (crs) 2.00 1.00 - 0.00 1560 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for AutodeskO Civil 31D9 by Autodesk, Inc. v2021 Hyd. No. 7 POST POA 1 Hydrograph type = SCS Runoff Storm frequency = 2 yrs Time interval = 1 min Drainage area = 1.490 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.70 in Storm duration = 24 hrs Q (cfs) 3.00 2.00 1.00 Peak discharge Time to peak Hyd. volume Curve number Hydraulic length Time of conc. (Tc) Distribution Shape factor POST POA 1 Hyd. No. 7 -- 2 Year 120 240 360 480 600 720 840 960 Hyd No. 7 Thursday, 03 / 4 / 2021 = 2.623 cfs = 718 min = 5,442 cult = 67.2 = Oft = 5.00 min = Type II = 484 Q (cfs) 3.00 2.00 1.00 0.00 1080 1200 1320 1440 1560 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 8 POST POA 2 Hydrograph type = SCS Runoff Storm frequency = 2 yrs Time interval = 1 min Drainage area = 0.250 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.70 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.311 cfs Time to peak = 718 min Hyd. volume = 688 cuft Curve number = 62.5 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 POST POA 2 Q (CfS) Hyd. No. 8 -- 2 Year Q (Cfs) 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 000 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 8 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 9 POST POA 3 Hydrograph type = SCS Runoff Storm frequency = 2 yrs Time interval = 1 min Drainage area = 0.780 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.70 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.683 cfs Time to peak = 719 min Hyd. volume = 1,658 cuft Curve number = 58.8 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 POST POA 3 Q (cfs) Q (cfs) Hyd. No. 9 -- 2 Year 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 000 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 9 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 10 POST POA 4 Hydrograph type = SCS Runoff Storm frequency = 2 yrs Time interval = 1 min Drainage area = 0.060 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.70 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.106 cfs Time to peak = 718 min Hyd. volume = 219 cuft Curve number = 67.2 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 POST POA 4 Q (CfS) Hyd. No. 10 -- 2 Year Q (Cfs) 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 000 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Time (min) Hyd No. 10 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 11 POST POA 5 Hydrograph type = SCS Runoff Storm frequency = 2 yrs Time interval = 1 min Drainage area = 0.030 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.70 in Storm duration = 24 hrs 161-19197-1w, Thursday, 03 / 4 / 2021 Peak discharge = 0.033 cfs Time to peak = 718 min Hyd. volume = 75 cuft Curve number = 61 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 0.09 0.08 0.0tititititititititititititi 11 � � . �titititititititititititi 1 1 . �1 tititititititititititititi 11 � � titititititi tititititititi 1 1 � � �titititi� �titititititi 1 1 � � �titititi� I. �titititititi 1 1 titititititi tta��titititi Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 12 POST POA 6 Hydrograph type = SCS Runoff Storm frequency = 2 yrs Time interval = 1 min Drainage area = 0.390 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.70 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.548 cfs Time to peak = 718 min Hyd. volume = 1,180 cuft Curve number = 64 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 POST POA 6 Q (efs) Hyd. No. 12 -- 2 Year Q (cfs) 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 000 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 12 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 13 POST POA 7 Hydrograph type = SCS Runoff Storm frequency = 2 yrs Time interval = 1 min Drainage area = 0.020 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.70 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.022 cfs Time to peak = 718 min Hyd. volume = 50 cuft Curve number = 61 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 POST POA 7 Q (GfS) Hyd. No. 13 -- 2 Year Q (Gf5) 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Time (min) — Hyd No. 13 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 14 POST POA 8 Hydrograph type = SCS Runoff Storm frequency = 2 yrs Time interval = 1 min Drainage area = 0.010 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 3.70 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.011 cfs Time to peak = 718 min Hyd. volume = 25 cuft Curve number = 61 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 POST POA 8 Q (GfS) Hyd. No. 14 -- 2 Year Q (Gf5) 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Time (min) Hyd No. 14 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 15 POST POA 9 Hydrograph type = SCS Runoff Storm frequency = 2 yrs Time interval = 1 min Drainage area = 0.682 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.70 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.951 cfs Time to peak = 718 min Hyd. volume = 2,052 cuft Curve number = 63.9 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 POST POA 9 Q (efs) Hyd. No. 15 -- 2 Year Q (cfs) 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 000 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Time (min) Hyd No. 15 Hydrograph Summary Report Hydranow Hydrographs Extension for Autodesk® Civil 3130 by Autodesk, Inc. v2021 Hyd. No. Hydrograph type (origin) Peak flow (CIS) Time interval (min) Time to Peak (min) Hyd. volume (cuff) Inflow hyd(s) Maximum elevation M Total strge used (cult) Hydrograph Description 1 SCS Runoff 0.196 1 718 395 PRE POA 1 ON 2 SCS Runoff 6.361 1 718 12,777 PRE POA 1 OFF 3 SCS Runoff 6.541 1 718 13,138 PRE POA 1 4 SCS Runoff 0.867 1 718 1,746 PRE POA 9 ON 5 SCS Runoff 2.093 1 718 4,269 PRE POA 9 OFF 6 SCS Runoff 2.958 1 718 6,004 PRE POA 9 7 SCS Runoff 6.186 1 718 12,423 POST POA 1 8 SCS Runoff 0.852 1 718 1,723 POST POA 2 9 SCS Runoff 2.207 1 718 4,540 POST POA 3 10 SCS Runoff 0.249 1 718 500 POST POA 4 11 SCS Runoff 0.095 1 718 194 POST POA 5 12 SCS Runoff 1.421 1 718 2,865 POST POA 6 13 SCS Runoff 0.063 1 718 129 POST POA 7 14 SCS Runoff 0.032 1 718 65 POST POA 8 15 SCS Runoff 2.474 1 718 4,989 POST POA 9 Dripps Phinney Pre and Post Calcs.gpw Return Period: 10 Year Thursday, 03 / 4 / 2021 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 1 PRE POA 1 ON Hydrograph type = SCS Runoff Storm frequency = 10 yrs Time interval = 1 min Drainage area = 0.050 ac Basin Slope = 0.0 % Tc method = User Total precip. = 5.57 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.196 cfs Time to peak = 718 min Hyd. volume = 395 cuft Curve number = 65.8 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 PRE POA 1 ON Q (CfS) Hyd. No. 1 -- 10 Year Q (Cfs) 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 000 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 1 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 2 PRE POA 1 OFF Hydrograph type = SCS Runoff Storm frequency = 10 yrs Time interval = 1 min Drainage area = 1.550 ac Basin Slope = 0.0 % Tc method = User Total precip. = 5.57 in Storm duration = 24 hrs Q (cfs 7.00 . o1 5.00 4.00 3.00 2.00 1.00 Peak discharge Time to peak Hyd. volume Curve number Hydraulic length Time of conc. (Tc) Distribution Shape factor Thursday, 03 / 4 / 2021 = 6.361 cfs = 718 min = 12,777 cuft = 66.9 = Oft = 5.00 min = Type II = 484 Q (cfs) 7.00 . 11 5.00 4.00 3.00 2.00 1.00 0.00 - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 2 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 3 PRE POA 1 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Time interval = 1 min Drainage area = 1.600 ac Basin Slope = 0.0 % Tc method = User Total precip. = 5.57 in Storm duration = 24 hrs Q (Cfs) 7.00 . 11 5.00 4.00 3.00 2.00 1.00 Peak discharge Time to peak Hyd. volume Curve number Hydraulic length Time of conc. (Tc) Distribution Shape factor PRE POA 1 Hyd. No. 3 -- 10 Year Thursday, 03 / 4 / 2021 = 6.541 cfs = 718 min = 13,138 cult = 66.8 = Oft = 5.00 min = Type II = 484 Q (Crs) 7.00 . 11 5.00 4.00 3.00 2.00 1.00 0.00 - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 3 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 4 PRE POA 9 ON Hydrograph type = SCS Runoff Storm frequency = 10 yrs Time interval = 1 min Drainage area = 0.230 ac Basin Slope = 0.0 % Tc method = User Total precip. = 5.57 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.867 cfs Time to peak = 718 min Hyd. volume = 1,746 cuft Curve number = 64.8 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 PRE POA 9 ON Q (efs) Hyd. No. 4 -- 10 Year Q (cfs) 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 000 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 4 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for AutodeskO Civil 31DO by Autodesk, Inc. v2021 Hyd. No. 5 PRE POA 9 OFF Hydrograph type = SCS Runoff Storm frequency = 10 yrs Time interval = 1 min Drainage area = 0.680 ac Basin Slope = 0.0 % Tc method = User Total precip. = 5.57 in Storm duration = 24 hrs Q (cfs) 3.00 2.00 1.00 Peak discharge Time to peak Hyd. volume Curve number Hydraulic length Time of conc. (Tc) Distribution Shape factor PRE POA 9 OFF Hyd. No. 5 -- 10 Year 120 240 360 480 600 720 840 960 Hyd No. 5 Thursday, 03 / 4 / 2021 = 2.093 cfs = 718 min = 4,269 cuft = 60.4 = Oft = 5.00 min = Type II = 484 Q (cfs) 3.00 2.00 1.00 0.00 1080 1200 1320 1440 1560 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 6 PRE POA 9 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Time interval = 1 min Drainage area = 0.910 ac Basin Slope = 0.0 % Tc method = User Total precip. = 5.57 in Storm duration = 24 hrs Q (Cfs) 3.00 2.00 1.00 Peak discharge Time to peak Hyd. volume Curve number Hydraulic length Time of conc. (Tc) Distribution Shape factor PRE POA 9 Hyd. No. 6 -- 10 Year Thursday, 03 / 4 / 2021 = 2.958 cfs = 718 min = 6,004 cuft = 61.5 = Oft = 5.00 min = Type II = 484 120 240 360 480 600 720 840 960 1080 1200 1320 1440 Hyd No. 6 Q (cfs) 3.00 2.00 1.00 - 0.00 1560 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 7 POST POA 1 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Time interval = 1 min Drainage area = 1.490 ac Basin Slope = 0.0 % Tc method = User Total precip. = 5.57 in Storm duration = 24 hrs Q (cfs 7.00 . o1 5.00 4.00 3.00 2.00 1.00 Peak discharge Time to peak Hyd. volume Curve number Hydraulic length Time of conc. (Tc) Distribution Shape factor Thursday, 03 / 4 / 2021 = 6.186 cfs = 718 min = 12,423 cuft = 67.2 = Oft = 5.00 min = Type II = 484 Q (cfs) 7.00 . 11 5.00 4.00 3.00 2.00 1.00 0.00 - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 7 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 8 POST POA 2 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Time interval = 1 min Drainage area = 0.250 ac Basin Slope = 0.0 % Tc method = User Total precip. = 5.57 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.852 cfs Time to peak = 718 min Hyd. volume = 1,723 cuft Curve number = 62.5 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 POST POA 2 Q (efs) Hyd. No. 8 -- 10 Year Q (cfs) 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 000 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 8 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for AutodeskO Civil 31DO by Autodesk, Inc. v2021 Hyd. No. 9 POST POA 3 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Time interval = 1 min Drainage area = 0.780 ac Basin Slope = 0.0 % Tc method = User Total precip. = 5.57 in Storm duration = 24 hrs Q (cfs) 3.00 2.00 1.00 Peak discharge Time to peak Hyd. volume Curve number Hydraulic length Time of conc. (Tc) Distribution Shape factor POST POA 3 Hyd. No. 9 -- 10 Year 120 240 360 480 600 720 840 960 Hyd No. 9 Thursday, 03 / 4 / 2021 = 2.207 cfs = 718 min = 4,540 cult = 58.8 = Oft = 5.00 min = Type II = 484 Q (cfs) 3.00 2.00 1.00 0.00 1080 1200 1320 1440 1560 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 10 POST POA 4 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Time interval = 1 min Drainage area = 0.060 ac Basin Slope = 0.0 % Tc method = User Total precip. = 5.57 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.249 cfs Time to peak = 718 min Hyd. volume = 500 cuft Curve number = 67.2 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 POST POA 4 Q (CfS) Hyd. No. 10 -- 10 Year Q (Cfs) 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 000 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Time (min) Hyd No. 10 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 11 POST POA 5 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Time interval = 1 min Drainage area = 0.030 ac Basin Slope = 0.0 % Tc method = User Total precip. = 5.57 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.095 cfs Time to peak = 718 min Hyd. volume = 194 cuft Curve number = 61 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 POST POA 5 Q (GfS) Hyd. No. 11 -- 10 Year Q (Gf5) 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Time (min) — Hyd No. 11 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 12 POST POA 6 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Time interval = 1 min Drainage area = 0.390 ac Basin Slope = 0.0 % Tc method = User Total precip. = 5.57 in Storm duration = 24 hrs Q (Cfs) 2.00 1.00 Peak discharge Time to peak Hyd. volume Curve number Hydraulic length Time of conc. (Tc) Distribution Shape factor POST POA 6 Hyd. No. 12 -- 10 Year Thursday, 03 / 4 / 2021 = 1.421 cfs = 718 min = 2,865 cult = 64 = Oft = 5.00 min = Type II = 484 120 240 360 480 600 720 840 960 1080 1200 1320 1440 Hyd No. 12 Q (crs) 2.00 1.00 - 0.00 1560 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 13 POST POA 7 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Time interval = 1 min Drainage area = 0.020 ac Basin Slope = 0.0 % Tc method = User Total precip. = 5.57 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.063 cfs Time to peak = 718 min Hyd. volume = 129 cuft Curve number = 61 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 POST POA 7 Q (GfS) Hyd. No. 13 -- 10 Year Q (Gf5) 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Time (min) — Hyd No. 13 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Hyd. No. 14 POST POA 8 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Time interval = 1 min Drainage area = 0.010 ac Basin Slope = 0.0 % Tc method = TR55 Total precip. = 5.57 in Storm duration = 24 hrs Thursday, 03 / 4 / 2021 Peak discharge = 0.032 cfs Time to peak = 718 min Hyd. volume = 65 cuft Curve number = 61 Hydraulic length = 0 ft Time of conc. (Tc) = 5.00 min Distribution = Type II Shape factor = 484 POST POA 8 Q (GfS) Hyd. No. 14 -- 10 Year Q (Gf5) 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Time (min) Hyd No. 14 Hydrograph Report Hydraflow Hydrographs Extension for AutodeskO Civil 31DO by Autodesk, Inc. v2021 Hyd. No. 15 POST POA 9 Hydrograph type = SCS Runoff Storm frequency = 10 yrs Time interval = 1 min Drainage area = 0.682 ac Basin Slope = 0.0 % Tc method = User Total precip. = 5.57 in Storm duration = 24 hrs Q (cfs) 3.00 2.00 1.00 Peak discharge Time to peak Hyd. volume Curve number Hydraulic length Time of conc. (Tc) Distribution Shape factor POST POA 9 Hyd. No. 15 -- 10 Year 120 240 360 480 600 720 840 960 Hyd No. 15 Thursday, 03 / 4 / 2021 = 2.474 cfs = 718 min = 4,989 cuft = 63.9 = Oft = 5.00 min = Type II = 484 Q (cfs) 3.00 2.00 1.00 0.00 1080 1200 1320 1440 1560 Time (min) Hydraflow Rainfall Report HydraOow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2021 Return Period Intensity -Duration -Frequency Equation Coefficients (FHA) (Yrs) B D E (WA) 1 53.3796 12.8000 0.8950 --- 2 57.7514 12.5000 0.8667 ----- 3 0.0000 0.0000 0.0000 ----- 5 0.0000 0.0000 0.0000 ----- 10 63.7992 12.4000 0.8028 ----- 25 11.7729 0.1000 0.3872 ----- 50 0.0000 0.0000 0.0000 ----- 100 48.1863 9.1000 0.6547 ----- File name: dripps phinney idf.IDF Intensity = B / (Tc + D)AE Thursday, 03 / 4 / 2021 Return Period Intensity Values (in/hr) (Yrs) 5 min 10 15 20 25 30 35 40 45 50 55 60 1 4.06 3.25 2.72 2.35 2.07 1.85 1.68 1.53 1.41 1.31 1.23 1.15 2 4.83 3.89 3.27 2.83 2.50 2.24 2.03 1.87 1.72 1.60 1.50 1.41 3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 5 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10 6.44 5.26 4.47 3.91 3.48 3.15 2.88 2.66 2.47 2.31 2.17 2.05 25 6.26 4.81 4.11 3.68 3.38 3.15 2.97 2.82 2.69 2.59 2.49 2.41 50 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100 8.52 6.99 6.00 5.30 4.78 4.37 4.04 3.76 3.53 3.33 3.16 3.01 Tc = time in minutes. Values may exceed 60. ssociates - c.o Roxanne Brouse - 6152 Plank Road - Nelson CountykEngineering FileskCalculationsNdripps phinney.pc Rainfall Precipitation Table (in) Storm Distribution 1-yr 2-yr 3-yr S-yr 10-yr 25-yr 50-yr 100-yr SCS 24-hour 3.06 3.70 0.00 0.00 5.57 6.82 0.00 9.06 SCS 6-Hr 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Huff-1 St 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Huff-2nd 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Huff-3rd 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Huff4th 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Huff-Indy 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Custom 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00