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HomeMy WebLinkAboutWPO201900039 Calculations 2020-04-08 Stormwater Calculations Hillcrest Vineyard Tasting & Venue VSMP WPO 2019-00039 8585 Dick Woods Road Afton, VA 22952 Augusta Professional Park LLC P.O. Box 300 Lyndhurst, VA 22952 �NH ,:ci.,VVI-1 OF Ir U SETH 0 '1 DERICK v "Lic. No. 041454 W 0 ,C. ,,s 11/6/2014 .0 ti SI ONA L ��� APPROVED by the Albemarle County CommuniyrDev lopment Department Date 11 `g File WF'O 1,. 37-49 l 7 \ OOcis� on'te ver e Engineering a Design Studio 128 W Bruce Street Harrisonburg,Virginia 22802 (540) 228-0202 Stormwater Calculations Table of Contents Description Page Number Overall Hydrographs Ex North lyr-24hr Storm 1 Ex South lyr-24hr Storm 2 Post South 1yr-24hr Storm 3 Storm Pond 1yr-24hr Storm 4 Pond Report 5 Ex North 2yr-24hr Storm 6 Ex South 2yr-24hr Storm 7 Post South 2yr-24hr Storm 8 Storm Pond 2yr-24hr Storm 9 Ex North 10yr-24hr Storm 10 Ex South l0yr-24hr Storm 11 Post South l0yr-24hr Storm 12 Storm Pond l0yr-24hr Storm 13 Ex North 100yr-24hr Storm 14 Ex South 100yr-24hr Storm 15 Post South 100yr-24hr Storm 16 Storm Pond 100yr-24hr Storm 17 DES Water Quality Energy Balance Worksheet Proposed Drainage Area Hydrographs DA-1 2yr-24hr Storm 1 DA-2 2yr-24hr Storm 2 DA-3 2yr-24hr Storm 3 DA-4 2yr-24hr Storm 4 DA-5 2yr-24hr Storm 5 DA-6 2yr-24hr Storm 6 DA-7 2yr-24hr Storm 7 DA-8 2yr-24hr Storm 8 DA-9 2yr-24hr Storm 9 Total Flow to LS2 2yr-24hr Storm 10 DA-Al 2yr-24hr Storm 11 DA-A2 2yr-24hr Storm 12 DA-1 10yr-24hr Storm 13 DA-2 l0yr-24hr Storm 14 DA-3 10yr-24hr Storm 15 DA-4 10yr-24hr Storm 16 DA-5 10yr-24hr Storm 17 DA-6 10yr-24hr Storm 18 DA-7 10yr-24hr Storm 19 DA-8 l0yr-24hr Storm 20 DA-9 l0yr-24hr Storm 21 Total Flow to LS2 l0yr-24hr Storm 22 DA-A1 l0yr-24hr Storm 23 DA-A2 l0yr-24hr Storm 24 Storm Drain&Channel Reports 15 in HDPE From Inlet 1-2 10yr-24hr Storm 1 15 in HDPE From Inlet 2-3 l0yr-24hr Storm 2 DA-9 Channel (Bottom) l0yr-24hr Storm 3 Transport Swale to LS2 l0yr-24hr Storm 4 Sediment Basin Routing Area to Sed Basin 2yr-24hr Storm 1 Sed Basin 2yr-24hr Storm 2 Pond Report 2yr-24hr Storm 3 Area to Sed Basin l0yr-24hr Storm 4 Sed Basin l0yr-24hr Storm 5 Pond Report l0yr-24hr Storm 6 1 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 1 Ex North Hydrograph type = SCS Runoff Peak discharge = 0.424 cfs Storm frequency = 1 yrs Time to peak = 738 min Time interval = 2 min Hyd. volume = 3,251 cuft Drainage area = 2.500 ac Curve number = 61 Basin Slope = 1.0 % Hydraulic length = 500 ft Tc method = LAG Time of conc. (Tc) = 30.80 min Total precip. = 2.97 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Ex North Q (cfs) Hyd. No. 1 -- 1 Year Q(cfs) 0.50 0.50 0.45 0.45 0.40 0.40 0.35 0.35 0.30 0.30 0.25 0.25 0.20 - 0.20 0.15 - 0.15 0.10 0.10 0.05 0.05 0.00 ` - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 1 Time (min) 2 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 2 Ex South Hydrograph type = SCS Runoff Peak discharge = 11.67 cfs Storm frequency = 1 yrs Time to peak = 748 min Time interval = 2 min Hyd. volume = 110,424 cuft Drainage area = 86.750 ac Curve number = 61 Basin Slope = 7.0 % Hydraulic length = 2690 ft Tc method = LAG Time of conc. (Tc) = 44.80 min Total precip. = 2.97 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Ex South Q (cfs) Q (cfs) Hyd. No. 2-- 1 Year 12.00 - 12.00 10.00 10.00 8.00 8.00 6.00 6.00 4.00 4.00 2.00 I 2.00 0.00 _ — - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 2 Time (min) 3 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 4 Post South Hydrograph type = SCS Runoff Peak discharge = 21.70 cfs Storm frequency = 1 yrs Time to peak = 738 min Time interval = 2 min Hyd. volume = 145,967 cuft Drainage area = 89.260 ac Curve number = 64* Basin Slope = 7.0 % Hydraulic length = 2273 ft Tc method = LAG Time of conc. (Tc) = 36.28 min Total precip. = 2.97 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 *Composite(Area/CN)=[(8.360 x 98)+(80.900 x 61)]/89.260 Post South 0 (cfs) Hyd. No. 4 -- 1 Year 0 (cfs) 24.00 24.00 20.00 - 20.00 16.00 16.00 12.00 12.00 8.00 — - 8.00 4.00 4.00 0.00 - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No.4 Time (min) 4 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 6 Storm Pond Hydrograph type = Reservoir Peak discharge = 7.111 cfs Storm frequency = 1 yrs Time to peak = 780 min Time interval = 2 min Hyd. volume = 145,929 cuft Inflow hyd. No. = 4 - Post South Max. Elevation = 838.68 ft Reservoir name = South Pond Max. Storage = 326,566 cuft Storage Indication method used. Wet pond routing start elevation=838.00 ft. Storm Pond Q (cfs) Hyd. No. 6-- 1 Year Q (cfs) 24.00 24.00 20.00 20.00 16.00 16.00 12.00 - 12.00 8.00 8.00 4.00 4.00 0.00 - _—_ _•--- 0.00 0 240 480 720 960 1200 1440 1680 1920 2160 2400 Time (min) Hyd No. 6 Hyd No. 4 [I i i ,_. Total storage used = 326,566 cuft Pond Report 5 Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday,11 /6/2019 Pond No.3- South Pond Pond Data Contours-User-defined contour areas.Conic method used for volume calculation.Begining Elevation=825.00 ft Stage/Storage Table Stage(ft) Elevation(ft) Contour area(sqft) Incr.Storage(cuft) Total storage(cuft) 0.00 825.00 1,503 0 0 1.00 826.00 2,547 2,002 2,002 2.00 827.00 3,865 3,183 5,185 3.00 828.00 5,490 4,653 9,838 4.00 829.00 7,630 6,530 16,368 5.00 830.00 10,344 8,952 25,320 6.00 831.00 13,462 11,868 37,188 7.00 832.00 22,957 17,998 55,185 8.00 833.00 27,094 24,994 80,180 9.00 834.00 31,422 29,228 109,408 10.00 835.00 35,931 33,648 143,056 11.00 836.00 45,502 40,618 183,675 12.00 837.00 50,566 48,007 231,682 13.00 838.00 55,814 53,163 284,845 14.00 839.00 67,472 61,545 346,389 15.00 840.00 82,774 74,985 421,375 16.00 841.00 89,370 86,042 507,417 17.00 842.00 96,121 92,716 600,133 18.00 843.00 55,027 74,618 674,750 Culvert/Orifice Structures Weir Structures [A] [B] [C] [PrfRsr] [A] [B] [C] [D] Rise(in) = 24.00 24.00 0.00 0.00 Crest Len(ft) = 0.00 50.00 0.00 0.00 Span(in) = 24.00 24.00 0.00 0.00 Crest El.(ft) = 0.00 841.05 0.00 0.00 No.Barrels = 2 2 0 0 Weir Coeff. = 3.33 2.60 3.33 3.33 Invert El.(ft) = 838.00 838.50 0.00 0.00 Weir Type = - Broad -- -- Length(ft) = 148.00 148.00 0.00 0.00 Multi-Stage = No No No No Slope(%) = 2.00 2.00 0.00 n/a N-Value = .013 .013 .013 n/a Orifice Coeff. = 0.75 0.75 0.60 0.60 Exfll.(in/hr) = 0.000(by Wet area) Multi-Stage = n/a No No No TW Elev.(ft) = 0.00 Note:Culvert/Orifice outflows are analyzed under inlet(ic)and outlet(oc)control.Weir risers checked for orifice conditions(lc)and submergence(s) Stage(ft) Stage/Discharge Elev(ft) 18.00 I �� 843.00 15.00 � 840.00 12.00 837.00 9.00 - 834.00 6.00 - 831.00 3.00 - 828.00 0.00 - 825.00 0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0 400.0 450.0 500.0 Total Q Discharge(cfs) 6 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 1 Ex North Hydrograph type = SCS Runoff Peak discharge = 0.939 cfs Storm frequency = 2 yrs Time to peak = 736 min Time interval = 2 min Hyd. volume = 5,639 cuft Drainage area = 2.500 ac Curve number = 61 Basin Slope = 1.0 % Hydraulic length = 500 ft Tc method = LAG Time of conc. (Tc) = 30.80 min Total precip. = 3.59 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Ex North Q (cfs) Hyd. No. 1 -- 2 Year Q (cfs) 1.00 1.00 0.90 • 0.90 0.80 0.80 .. 0.70 0.70 0.60 0.60 0.50 L 0.50 0.40 0.40 0.30 0.30 0.20 0.20 0.10 0.10 0.00 - - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 1 Time (min) 7 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 2 Ex South Hydrograph type = SCS Runoff Peak discharge = 25.43 cfs Storm frequency = 2 yrs Time to peak = 744 min Time interval = 2 min Hyd. volume = 191,530 cuft Drainage area = 86.750 ac Curve number = 61 Basin Slope = 7.0 % Hydraulic length = 2690 ft Tc method = LAG Time of conc. (Tc) = 44.80 min Total precip. = 3.59 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Ex South Q (cfs) Hyd. No. 2 -- 2 Year 0 (cfs) 28.00 28.00 24.00 24.00 20.00 20.00 16.00 — 16.00 12.00 - . 12.00 8.00 8.00 4.00 4.00 0.00 - I - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 2 Time (min) 8 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 4 Post South Hydrograph type = SCS Runoff Peak discharge = 42.27 cfs Storm frequency = 2 yrs Time to peak = 738 min Time interval = 2 min Hyd. volume = 240,563 cuft Drainage area = 89.260 ac Curve number = 64* Basin Slope = 7.0 % Hydraulic length = 2273 ft Tc method = LAG Time of conc. (Tc) = 36.28 min Total precip. = 3.59 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 *Composite(Area/CN)=[(8.360 x 98)+(80.900 x 61)]/89.260 Post South Q (cfs) Hyd. No. 4-- 2 Year Q (cfs) 50.00 50.00 40.00 40.00 30.00 l 30.00 20.00 - 20.00 10.00 10.00 0.00 - L - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No.4 Time (min) 9 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 6 Storm Pond Hydrograph type = Reservoir Peak discharge = 19.60 cfs Storm frequency = 2 yrs Time to peak = 764 min Time interval = 2 min Hyd. volume = 240,524 cuft Inflow hyd. No. = 4 - Post South Max. Elevation = 839.06 ft Reservoir name = South Pond Max. Storage = 351,124 cuft Storage Indication method used. Wet pond routing start elevation=838.00 ft. Storm Pond Q (cfs) Hyd. No. 6-- 2 Year Q (cfs) 50.00 50.00 40.00 40.00 30.00 30.00 20.00 20.00 10.00 10.00 0.00 - 0.00 0 240 480 720 960 1200 1440 1680 1920 Time (min) Hyd No. 6 -- Hyd No. 4 it i I I I i , Total storage used = 351,124 cuft 10 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 1 Ex North Hydrograph type = SCS Runoff Peak discharge = 3.112 cfs Storm frequency = 10 yrs Time to peak = 734 min Time interval = 2 min Hyd. volume = 14,727 cuft Drainage area = 2.500 ac Curve number = 61 Basin Slope = 1.0 % Hydraulic length = 500 ft Tc method = LAG Time of conc. (Tc) = 30.80 min Total precip. = 5.38 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Ex North Q (cfs) Hyd. No. 1 -- 10 Year Q (cfs) 4.00 4.00 3.00 3.00 2.00 - 2.00 1.00 - 1.00 0.00 - I I I I - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 1 Time (min) 11 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 2 Ex South Hydrograph type = SCS Runoff Peak discharge = 84.31 cfs Storm frequency = 10 yrs Time to peak = 742 min Time interval = 2 min Hyd. volume = 500,212 cuft Drainage area = 86.750 ac Curve number = 61 Basin Slope = 7.0 % Hydraulic length = 2690 ft Tc method = LAG Time of conc. (Tc) = 44.80 min Total precip. = 5.38 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Ex South Q (cfs) Hyd. No. 2-- 10 Year Q (cfs) 90.00 90.00 80.00 V 80.00 70.00 70.00 60.00 60.00 50.00 50.00 40.00 - - . . - 40.00 30.00 . 30.00 20.00 - V 20.00 10.00 . V 10.00 0.00 - — 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 2 Time (min) 12 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk, Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 4 Post South Hydrograph type = SCS Runoff Peak discharge = 122.06 cfs Storm frequency = 10 yrs Time to peak = 736 min Time interval = 2 min Hyd. volume = 587,005 cuft Drainage area = 89.260 ac Curve number = 64* Basin Slope = 7.0 % Hydraulic length = 2273 ft Tc method = LAG Time of conc. (Tc) = 36.28 min Total precip. = 5.38 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 •Composite(Area/CN)=[(8.360 x 98)+(80.900 x 61)]/89.260 Post South Q(cfs) Hyd. No. 4-- 10 Year Q (cfs) 140.00 140.00 120.00 120.00 100.00 100.00 80.00 80.00 60.00 - 60.00 40.00 40.00 20.00 20.00 0.00 - - - i — - - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 4 Time (min) 13 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 6 Storm Pond Hydrograph type = Reservoir Peak discharge = 71.45 cfs Storm frequency = 10 yrs Time to peak = 756 min Time interval = 2 min Hyd. volume = 586,967 cuft Inflow hyd. No. = 4 - Post South Max. Elevation = 840.16 ft Reservoir name = South Pond Max. Storage = 435,494 cuft Storage Indication method used. Wet pond routing start elevation=838.00 ft. Storm Pond Q (cfs) Hyd. No. 6-- 10 Year Q (cfs) 140.00 - 140.00 120.00 120.00 100.00 100.00 80.00 80.00 60.00 II — 60.00 40.00 40.00 20.00 20.00 0.00 - ... � '""'�' 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 1680 Time (min) Hyd No. 6 Hyd No. 4 (i I i I I Total storage used =435,494 cuft 14 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 1 Ex North Hydrograph type = SCS Runoff Peak discharge = 8.345 cfs Storm frequency = 100 yrs Time to peak = 734 min Time interval = 2 min Hyd. volume = 36,560 cuft Drainage area = 2.500 ac Curve number = 61 Basin Slope = 1.0 % Hydraulic length = 500 ft Tc method = LAG Time of conc. (Tc) = 30.80 min Total precip. = 8.69 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Ex North o (cfs) Hyd. No. 1 -- 100 Year Q (cfs) 10.00 10.00 8.00 8.00 6.00 6.00 4.00 4.00 2.00 2.00 0.00 - I I i i - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 1 Time (min) 15 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 2 Ex South Hydrograph type = SCS Runoff Peak discharge = 228.08 cfs Storm frequency = 100 yrs Time to peak = 742 min Time interval = 2 min Hyd. volume = 1,241,773 cuft Drainage area = 86.750 ac Curve number = 61 Basin Slope = 7.0 % Hydraulic length = 2690 ft Tc method = LAG Time of conc. (Tc) = 44.80 min Total precip. = 8.69 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Ex South 0 (cfs) Hyd. No. 2 -- 100 Year 0 (cfs) 240.00 240.00 210.00 210.00 180.00 180.00 150.00 150.00 120.00 120.00 90.00 — — 90.00 60.00 60.00 30.00 30.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 2 Time (min) 16 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 4 Post South Hydrograph type = SCS Runoff Peak discharge = 304.47 cfs Storm frequency = 100 yrs Time to peak = 736 min Time interval = 2 min Hyd. volume = 1,389,868 cuft Drainage area = 89.260 ac Curve number = 64* Basin Slope = 7.0 % Hydraulic length = 2273 ft Tc method = LAG Time of conc. (Tc) = 36.28 min Total precip. = 8.69 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 *Composite(Area/CN)=[(8.360 x 98)+(80.900 x 61)]/89.260 Post South Q (cfs) Hyd. No. 4 -- 100 Year Q (cfs) 320.00 320.00 280.00 280.00 240.00 240.00 200.00 200.00 160.00 160.00 120.00 — 120.00 80.00 80.00 40.00 40.00 0.00 - — I I - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 4 Time (min) 17 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 6 Storm Pond Hydrograph type = Reservoir Peak discharge = 237.85 cfs Storm frequency = 100 yrs Time to peak = 748 min Time interval = 2 min Hyd. volume = 1,389,827 cuft Inflow hyd. No. = 4 - Post South Max. Elevation = 841.99 ft Reservoir name = South Pond Max. Storage = 598,955 cuft Storage Indication method used. Wet pond routing start elevation=838.00 ft. Storm Pond Q (cfs) Hyd. No. 6-- 100 Year Q (cfs) 320.00 320.00 280.00 280.00 240.00 240.00 200.00 200.00 160.00 160.00 120.00 120.00 80.00 80.00 40.00 40.00 J0.00 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Time (min) Hyd No. 6 -- Hyd No. 4 Total storage used = 598,955 cuft SWM Water Quantity Energy Balance Worksheet SITE AREA(acre) 89.26 1-year 10-year PRE POST(adjusted) PRE POST(adjusted) P 2.97 2.97 5.38 5.38 CN 61 64 61 64 S=1000/CN-10 6.39 5.63 6.39 5.63 0.2S 1.28 1.13 1.28 1.13 RV=(P-0.2S)2/(P-0.25)+S 0.35 0.46 1.60 1.83 QPost Development<=I.F."(Qpre-development'RVpre-development)/RVDeveloped) I.F 0.8 CHANNEL PROTECTION FLOOD CONTROL Qpre-development 11.67 From Storm Calcs Qpre-development 87.422 From Storm Calcs QPost Development 7.111 From Storm Calcs QPost Development 71.45 From Storm Calcs RVPre Development (with runoff reduction) 110424.00 From Hydrographs RVPost Development (with runoff reduction) 145967.00 From Hydrographs Qallowable 7.116 Qallowable/QPost Development 1.00 Vs/Vr 0.48 Fig 11.7 of DEQ Manual Vs 70064.16 Storage required(cf) 521161 1 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 1 DA - 1 Hydrograph type = SCS Runoff Peak discharge = 1 .612 cfs Storm frequency = 2 yrs Time to peak = 715 min Time interval = 1 min Hyd. volume = 3,102 cuft Drainage area = 0.323 ac Curve number = 93* Basin Slope = 10.0 % Hydraulic length = 227 ft Tc method = LAG Time of conc. (Tc) = 1.80 min Total precip. = 3.59 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 *Composite(Area/CN)=[(0.253 x 98)+(0.070 x 74)]/0.323 DA - 1 0 (cfs) Hyd. No. 1 -- 2 Year 0 (cfs) 2.00 2.00 I 1.00 1.00 0.00 0.00 0 120 240 360 480 600 720 840 960 1080 1200 Hyd No. 1 Time (min) 2 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk0 Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 2 DA - 2 Hydrograph type = SCS Runoff Peak discharge = 2.760 cfs Storm frequency = 2 yrs Time to peak = 715 min Time interval = 1 min Hyd. volume = 5,825 cuft Drainage area = 0.510 ac Curve number = 98* Basin Slope = 13.4 % Hydraulic length = 307 ft Tc method = LAG Time of conc. (Tc) = 1.60 min Total precip. = 3.59 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 *Composite(Area/CN)=[(0.355 x 98)+(0.430 x 74)]/0.510 DA - 2 Q (cfs) Hyd. No. 2 -- 2 Year Q (cfs) 3.00 3.00 2.00 2.00 1.00 - 1.00 1 0.00 - - r 0.00 0 120 240 360 480 600 720 840 960 1080 1200 Hyd No. 2 Time (min) 3 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 3 DA - 3 Hydrograph type = SCS Runoff Peak discharge = 0.805 cfs Storm frequency = 2 yrs Time to peak = 715 min Time interval = 1 min Hyd. volume = 1,464 cuft Drainage area = 0.190 ac Curve number = 87* Basin Slope = 5.0 % Hydraulic length = 159 ft Tc method = LAG Time of conc. (Tc) = 2.50 min Total precip. = 3.59 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 *Composite(Area/CN)=[(0.100 x 98)+(0.090 x 74))/0.190 DA - 3 o (cfs) Hyd. No. 3-- 2 Year Q (cfs) 1.00 1.00 0.90 0.90 0.80 0.80 0.70 0.70 0.60 0.60 0.50 0.50 0.40 - 0.40 0.30 0.30 0.20 0.20 0.10 0.10 0.00 — --_; 0.00 0 120 240 360 480 600 720 840 960 1080 1200 Hyd No. 3 Time (min) 4 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 4 DA - 4 Hydrograph type = SCS Runoff Peak discharge = 7.605 cfs Storm frequency = 2 yrs Time to peak = 718 min Time interval = 1 min Hyd. volume = 16,474 cuft Drainage area = 1.980 ac Curve number = 88* Basin Slope = 4.0 % Hydraulic length = 620 ft Tc method = LAG Time of conc. (Tc) = 8.20 min Total precip. = 3.59 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 *Composite(Area/CN)=[(1.133 x 98)+(0.850 x 74)]/1.980 DA - 4 Q (cfs) Hyd. No. 4 -- 2 Year Q (cfs) 8.00 8.00 6.00 6.00 4.00 4.00 2.00 2.00 0.00 ..�. 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 Hyd No. 4 Time (min) 5 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 5 DA - 5 Hydrograph type = SCS Runoff Peak discharge = 1.160 cfs Storm frequency = 2 yrs Time to peak = 717 min Time interval = 1 min Hyd. volume = 2,222 cuft Drainage area = 0.304 ac Curve number = 84 Basin Slope = 7.2 % Hydraulic length = 366 ft Tc method = LAG Time of conc. (Tc) = 4.60 min Total precip. = 3.59 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 DA - 5 Q (cfs) Hyd. No. 5-- 2 Year Q (cfs) 2.00 2.00 1.00 - 1.00 0.00 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 Hyd No. 5 Time (min) 6 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 6 DA - 6 Hydrograph type = SCS Runoff Peak discharge = 2.273 cfs Storm frequency = 2 yrs Time to peak = 715 min Time interval = 1 min Hyd. volume = 4,797 cuft Drainage area = 0.420 ac Curve number = 98 Basin Slope = 4.7 % Hydraulic length = 344 ft Tc method = LAG Time of conc. (Tc) = 2.90 min Total precip. = 3.59 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 DA - 6 Q (cfs) Hyd. No. 6-- 2 Year Q (cfs) 3.00 3.00 2.00 2.00 1.00 - - 1.00 0.00 - if..a`."_'..— - _ 0.00 0 120 240 360 480 600 720 840 960 1080 1200 Hyd No. 6 Time (min) 7 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 7 DA - 7 Hydrograph type = SCS Runoff Peak discharge = 3.186 cfs Storm frequency = 2 yrs Time to peak = 720 min Time interval = 1 min Hyd. volume = 7,741 cuft Drainage area = 1.000 ac Curve number = 85* Basin Slope = 2.2 % Hydraulic length = 527 ft Tc method = LAG Time of conc. (Tc) = 10.90 min Total precip. = 3.59 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 *Composite(Area/CN)=[(0.460 x 98)+(0.540 x 74)]/1.000 DA - 7 Q (cfs) Hyd. No. 7 -- 2 Year Q (cfs) 4.00 4.00 3.00 3.00 2.00 - 2.00 1.00 , — 1.00 l 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Time (min) Hyd No. 7 8 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 8 DA - 8 Hydrograph type = SCS Runoff Peak discharge = 1.401 cfs Storm frequency = 2 yrs Time to peak = 715 min Time interval = 1 min Hyd. volume = 2,958 cuft Drainage area = 0.259 ac Curve number = 98 Basin Slope = 2.0 % Hydraulic length = 127 ft Tc method = LAG Time of conc. (Tc) = 2.00 min Total precip. = 3.59 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 DA - 8 0 (cfs) Hyd. No. 8--2 Year 0 (cfs) 2.00 - 2.00 1.00 1.00 -./ \........... 0.00 - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 Hyd No. 8 Time (min) 9 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 9 DA- 9 Hydrograph type = SCS Runoff Peak discharge = 11.90 cfs Storm frequency = 2 yrs Time to peak = 726 min Time interval = 2 min Hyd. volume = 49,389 cuft Drainage area = 22.170 ac Curve number = 61 Basin Slope = 18.0 % Hydraulic length = 1535 ft Tc method = LAG Time of conc. (Tc) = 17.80 min Total precip. = 3.59 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 DA- 9 0 (cfs) Hyd. No. 9 -- 2 Year 0 (cfs) 12.00 12.00 r 10.00 10.00 8.00 8.00 6.00 6.00 4.00 4.00 2.00 • 2.00 0.00 - - I A - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 9 Time (min) 10 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 11 TOTAL FLOW TO LS2 Hydrograph type = Combine Peak discharge = 7.336 cfs Storm frequency = 2 yrs Time to peak = 716 min Time interval = 1 min Hyd. volume = 17,718 cuft Inflow hyds. = 5, 6, 7, 8 Contrib. drain. area = 1.983 ac TOTAL FLOW TO LS2 Q (cfs) Hyd. No. 11 --2 Year 0 (cfs) 8.00 8.00 6.00 - 6.00 4.00 4.00 2.00 2.00 0.00 - . 0.00 -- 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 Time (min) Hyd No. 11 Hyd No. 5 Hyd No. 6 Hyd No. 7 Hyd No. 8 11 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 13 DA - Al Hydrograph type = SCS Runoff Peak discharge = 0.850 cfs Storm frequency = 2 yrs Time to peak = 720 min Time interval = 2 min Hyd. volume = 2,286 cuft Drainage area = 1.026 ac Curve number = 61 Basin Slope = 10.0 % Hydraulic length = 309 ft Tc method = LAG Time of conc. (Tc) = 6.60 min Total precip. = 3.59 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 DA - Al Q (cfs) Hyd. No. 13 -- 2 Year Q (cfs) 1.00 1.00 0.90 0.90 0.80 0.80 0.70 0.70 0.60 0.60 0.50 0.50 0.40 - 0.40 0.30 - • 0.30 0.20 0.20 0.10 - 0.10 0.00 - — I I ' - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 13 Time (min) 12 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 14 DA - A2 Hydrograph type = SCS Runoff Peak discharge = 0.696 cfs Storm frequency = 2 yrs Time to peak = 718 min Time interval = 2 min Hyd. volume = 1,550 cuft Drainage area = 0.742 ac Curve number = 61 Basin Slope = 10.0 % Hydraulic length = 214 ft Tc method = LAG Time of conc. (Tc) = 4.90 min Total precip. = 3.59 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 DA -A2 Q (cfs) Hyd. No. 14 -- 2 Year Q (cfs) 1.00 1.00 0.90 0.90 0.80 0.80 0.70 0.70 0.60 0.60 0.50 - - 0.50 0.40 0.40 0.30 — - - 0.30 0.20 - 0.20 0.10 0.10 0.00 - -� - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 14 Time (min) 13 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk, Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 1 DA - 1 Hydrograph type = SCS Runoff Peak discharge = 2.524 cfs Storm frequency = 10 yrs Time to peak = 715 min Time interval = 1 min Hyd. volume = 5,025 cuft Drainage area = 0.323 ac Curve number = 93* Basin Slope = 10.0 % Hydraulic length = 227 ft Tc method = LAG Time of conc. (Tc) = 1.80 min Total precip. = 5.38 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 *Composite(Area/CN)=[(0.253 x 98)+(0.070 x 74)]/0.323 DA - 1 Q (cfs) Hyd. No. 1 -- 10 Year 0 (cfs) 3.00 3.00 2.00 • 2.00 J\%"---- 1.00 1.00 0.00 �_..__.. , - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 Hyd No. 1 Time (min) 14 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 2 DA - 2 Hydrograph type = SCS Runoff Peak discharge = 4.156 cfs Storm frequency = 10 yrs Time to peak = 715 min Time interval = 1 min Hyd. volume = 8,925 cuft Drainage area = 0.510 ac Curve number = 98* Basin Slope = 13.4 % Hydraulic length = 307 ft Tc method = LAG Time of conc. (Tc) = 1.60 min Total precip. = 5.38 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Composite(Area/CN)=[(0.355 x 98)+(0.430 x 74)]/0.510 DA - 2 Q (cfs) Hyd. No. 2-- 10 Year Q (cfs) 5.00 5.00 4.00 4.00 3.00 3.00 2.00 - — 2.00 1.00 1.00 ./ \•----.., 0.00 - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 Time (min) Hyd No. 2 15 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 3 DA - 3 Hydrograph type = SCS Runoff Peak discharge = 1 .352 cfs Storm frequency = 10 yrs Time to peak = 715 min Time interval = 1 min Hyd. volume = 2,539 cuft Drainage area = 0.190 ac Curve number = 87* Basin Slope = 5.0 % Hydraulic length = 159 ft Tc method = LAG Time of conc. (Tc) = 2.50 min Total precip. = 5.38 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 "Composite(Area/CN)=[(0.100 x 98)+(0.090 x 74)]/0.190 DA - 3 Q (cfs) Hyd. No. 3-- 10 Year Q (cfs) 2.00 2.00 Y 1.00 • 1 1.00 0.00 __— -., �.��-�.. . _- ...� 1 . 0.00 0 120 240 360 480 600 720 840 960 1080 1200 Hyd No. 3 Time (min) 16 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 4 DA- 4 Hydrograph type = SCS Runoff Peak discharge = 12.66 cfs Storm frequency = 10 yrs Time to peak = 718 min Time interval = 1 min Hyd. volume = 28,248 cuft Drainage area = 1.980 ac Curve number = 88* Basin Slope = 4.0 % Hydraulic length = 620 ft Tc method = LAG Time of conc. (Tc) = 8.20 min Total precip. = 5.38 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 *Composite(Area/CN)=[(1.133 x 98)+(0.850 x 74)1/1.980 DA -4 Q(cfs) Hyd. No.4-- 10 Year Q(cfs) 14.00 14.00 12.00 12.00 10.00 10.00 8.00 - 8.00 6.00 6.00 4.00 - 4.00 2.00 2.00 0.00 - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 Hyd No.4 Time(min) 17 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 5 DA - 5 Hydrograph type = SCS Runoff Peak discharge = 2.030 cfs Storm frequency = 10 yrs Time to peak = 716 min Time interval = 1 min Hyd. volume = 3,995 cuft Drainage area = 0.304 ac Curve number = 84 Basin Slope = 7.2 % Hydraulic length = 366 ft Tc method = LAG Time of conc. (Tc) = 4.60 min Total precip. = 5.38 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 DA - 5 Q (cfs) Hyd. No. 5-- 10 Year Q (cfs) 3.00 3.00 2.00 2.00 I 1.00 1.00 0.00 0.00 0 120 240 360 480 600 720 840 960 1080 1200 Time (min) Hyd No. 5 18 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 6 DA - 6 Hydrograph type = SCS Runoff Peak discharge = 3.423 cfs Storm frequency = 10 yrs Time to peak = 715 min Time interval = 1 min Hyd. volume = 7,350 cuft Drainage area = 0.420 ac Curve number = 98 Basin Slope = 4.7 % Hydraulic length = 344 ft Tc method = LAG Time of conc. (Tc) = 2.90 min Total precip. = 5.38 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 DA - 6 Q (cfs) Hyd. No. 6-- 10 Year Q (cfs) 4.00 - 4.00 3.00 I 3.00 I 2.00 — - 2.00 1.00 —. - 1.00 \%.---- 0.00 = -� r 0.00 0 120 240 360 480 600 720 840 960 1080 1200 Hyd No. 6 Time (min) 19 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 7 DA - 7 Hydrograph type = SCS Runoff Peak discharge = 5.546 cfs Storm frequency = 10 yrs Time to peak = 720 min Time interval = 1 min Hyd. volume = 13,748 cuft Drainage area = 1.000 ac Curve number = 85* Basin Slope = 2.2 % Hydraulic length = 527 ft Tc method = LAG Time of conc. (Tc) = 10.90 min Total precip. = 5.38 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Composite(Area/CN)=[(0.460 x 98)+(0.540 x 74)]/1.000 DA - 7 Q (cfs) Hyd. No. 7-- 10 Year Q (cfs) 6.00 6.00 5.00 • 5.00 4.00 • 4.00 3.00 - • 3.00 2.00 - , - • • 2.00 1.00 - . 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) 20 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 8 DA - 8 Hydrograph type = SCS Runoff Peak discharge = 2.111 cfs Storm frequency = 10 yrs Time to peak = 715 min Time interval = 1 min Hyd. volume = 4,533 cuft Drainage area = 0.259 ac Curve number = 98 Basin Slope = 2.0 % Hydraulic length = 127 ft Tc method = LAG Time of conc. (Tc) = 2.00 min Total precip. = 5.38 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 DA - 8 Q (cfs) Hyd. No. 8-- 10 Year Q (cfs) 3.00 3.00 2.00 2.00 1.00 - 1.00 0.00 - - - - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 Time (min) Hyd No. 8 21 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 9 DA- 9 Hydrograph type = SCS Runoff Peak discharge = 38.56 cfs Storm frequency = 10 yrs Time to peak = 726 min Time interval = 2 min Hyd. volume = 128,987 cuft Drainage area = 22.170 ac Curve number = 61 Basin Slope = 18.0 % Hydraulic length = 1535 ft Tc method = LAG Time of conc. (Tc) = 17.80 min Total precip. = 5.38 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 DA- 9 Q (cfs) Hyd. No. 9-- 10 Year Q (cfs) 40.00 40.00 30.00 30.00 20.00 — 20.00 10.00 10.00 0.00 - - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Time (min) Hyd No. 9 22 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 11 TOTAL FLOW TO LS2 Hydrograph type = Combine Peak discharge = 12.05 cfs Storm frequency = 10 yrs Time to peak = 716 min Time interval = 1 min Hyd. volume = 29,626 cuft Inflow hyds. = 5, 6, 7, 8 Contrib. drain. area = 1.983 ac TOTAL FLOW TO LS2 Q (cfs) Hyd. No. 11 -- 10 Year Q (cfs) 14.00 14.00 12.00 • 12.00 10.00 • 10.00 8.00 8.00 6.00 - 6.00 4.00 - 4.00 2.00 2.00 0.00 „JA- 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 Time (min) Hyd No. 11 ----: Hyd No. 5 Hyd No. 6 Hyd No. 7 Hyd No. 8 23 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D0 by Autodesk, Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 13 DA - Al Hydrograph type = SCS Runoff Peak discharge = 2.557 cfs Storm frequency = 10 yrs Time to peak = 720 min Time interval = 2 min Hyd. volume = 5,969 cuft Drainage area = 1.026 ac Curve number = 61 Basin Slope = 10.0 % Hydraulic length = 309 ft Tc method = LAG Time of conc. (Tc) = 6.60 min Total precip. = 5.38 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 DA - Al Q (cfs) Hyd. No. 13-- 10 Year Q (cfs) 3.00 3.00 2.00 2.00 1 1.00 — - 1.00 0.00 - — _ I — - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 13 Time (min) 24 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®by Autodesk,Inc.v2020 Wednesday, 11 /6/2019 Hyd. No. 14 DA - A2 Hydrograph type = SCS Runoff Peak discharge = 2.011 cfs Storm frequency = 10 yrs Time to peak = 718 min Time interval = 2 min Hyd. volume = 4,047 cuft Drainage area = 0.742 ac Curve number = 61 Basin Slope = 10.0 % Hydraulic length = 214 ft Tc method = LAG Time of conc. (Tc) = 4.90 min Total precip. = 5.38 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 DA - A2 Q (cfs) Hyd. No. 14 -- 10 Year Q (cfs) 3.00 3.00 2.00 • 2.00 1.00 • 1.00 0.00 - 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 14 Time (min) Channel Report Hydraflow Express Extension for Autodesk®Civil 3D®by Autodesk, Inc. Tuesday,Nov 5 2019 151N HDPE FROM INLET 1 - 2 Circular Highlighted Diameter (ft) = 1.25 Depth (ft) = 0.65 Q (cfs) = 3.420 Area (sqft) = 0.65 Invert Elev (ft) = 1080.00 Velocity (ft/s) = 5.28 Slope (%) = 1.00 Wetted Perim (ft) = 2.02 N-Value = 0.013 Crit Depth, Yc (ft) = 0.75 Top Width (ft) = 1.25 Calculations EGL (ft) = 1.08 Compute by: Known Q Known Q (cfs) = 3.42 Elev (ft) Section 1082.00 1081.50 1081.00 1080.50 1080.00 1079.50 0 1 2 3 Reach (ft) Channel Report Hydraflow Express Extension for Autodesk®Civil 3D®by Autodesk,Inc. Tuesday,Nov 5 2019 15IN HDPE FROM 2 - 3 Circular Highlighted Diameter (ft) = 1.25 Depth (ft) = 0.70 Q (cfs) = 5.450 Area (sqft) = 0.71 Invert Elev (ft) = 1079.25 Velocity (ft/s) = 7.67 Slope (%) = 2.00 Wetted Perim (ft) = 2.12 N-Value = 0.013 Crit Depth, Yc (ft) = 0.95 Top Width (ft) = 1.24 Calculations EGL (ft) = 1.62 Compute by: Known Q Known Q (cfs) = 5.45 Elev (ft) Section 1081.00 1080.50 1080.00 1079.50 • 1079.00 - 1078.50 0 1 2 3 Reach (ft) Channel Report Hydraflow Express Extension for Autodesk®Civil 3D®by Autodesk, Inc. Wednesday,Nov 6 2019 DA - 9 ; bottom of channel Trapezoidal Highlighted Bottom Width (ft) = 3.00 Depth (ft) = 0.33 Side Slopes (z:1) = 2.00, 4.00 Q (cfs) = 11.90 Total Depth (ft) = 10.00 Area (sqft) = 1.32 Invert Elev (ft) = 855.00 Velocity (ft/s) = 9.04 Slope (%) = 22.00 Wetted Perim (ft) = 5.10 N-Value = 0.030 Crit Depth, Yc (ft) = 0.64 Top Width (ft) = 4.98 Calculations EGL (ft) = 1.60 Compute by: Known Q Known Q (cfs) = 11.90 Elev (ft) Section Depth (ft) 867.00 12.00 865.00 10.00 863.00 8.00 861.00 6.00 859.00 - 4.00 857.00 - 2.00 0 855.00 0.00 853.00 -2.00 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 Reach (ft) Channel Report Hydraflow Express Extension for Autodesk®Civil 3D®by Autodesk, Inc. Tuesday,Nov 5 2019 Transport Swale to LS2 Trapezoidal Highlighted Bottom Width (ft) = 16.50 Depth (ft) = 0.28 Side Slopes (z:1) = 3.00, 3.00 Q (cfs) = 11.93 Total Depth (ft) = 2.00 Area (sqft) = 4.86 Invert Elev (ft) = 1075.00 Velocity (ft/s) = 2.46 Slope (%) = 1.20 Wetted Perim (ft) = 18.27 N-Value = 0.027 Crit Depth, Yc (ft) = 0.25 Top Width (ft) = 18.18 Calculations EGL (ft) = 0.37 Compute by: Known Q Known Q (cfs) = 11.93 Elev (ft) Section Depth (ft) 1078.00 3.00 1077.50 2.50 1077.00 - 2.00 1076.50 1.50 1076.00 1.00 1075.50 0.50 1075.00 0.00 1074.50 -0.50 0 5 10 15 20 25 30 35 40 Reach (ft)