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Home My WebLink AboutWPO202000034 Other 2021-04-16Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Wednesday, 04 / 14 / 2021 Hyd. No. 30 POST DEV_7.35 acres Hydrograph type = SCS Runoff Peak discharge = 14.75 cfs Storm frequency = 1 yrs Time to peak = 720 min Time interval = 2 min Hyd. volume = 33,751 cuft Drainage area = 7.350 ac Curve number = 80" Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = User Time of conc. (Tc) = 7.70 min Total precip. = 3.02 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Composite (Area/CN) = [(3.860 x 98) + (3.490 x 61)117.350 Q (cfs) 15.00 12.00 • M 3.00 0.00 0 120 240 Hyd No. 30 POST DEV_7.35 acres Hyd. No. 30 -- 1 Year 360 480 600 720 840 Q (cfs) 15.00 12.00 3.00 ' III ' 0.00 960 1080 1200 1320 1440 1560 Time (min) Hydrograph Report 2 Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Hyd. No. 30 POST DEV_7.35 acres Hydrograph type = SCS Runoff Storm frequency = 2 yrs Time interval = 2 min Drainage area = 7.350 ac Basin Slope = 0.0 % Tc method = User Total precip. = 3.65 in Storm duration = 24 hrs Composite (Area/CN) _ [(3.860 x 98) + (3.490 x 61)117.350 Q (cfs 21.00 18.00 15.00 12.00 • �� . �� 3.00 Peak discharge Time to peak Hyd. volume Curve number Hydraulic length Time of conc. (Tc) Distribution Shape factor POST DEV_7.35 acres Hyd. No. 30 -- 2 Year Wednesday, 04 / 14 / 2021 = 20.47 cfs = 718 min = 46,856 cuft = 80" = Oft = 7.70 min = Type II = 484 Q (cfs) 21.00 18.00 15.00 12.00 • 11 M 3.00 0.00 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 30 Time (min) 3 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Wednesday, 04 / 14 / 2021 Hyd. No. 30 POST DEV-7.35 acres Hydrograph type = SCS Runoff Peak discharge = 38.81 cfs Storm frequency = 10 yrs Time to peak = 718 min Time interval = 2 min Hyd. volume = 89,409 cuft Drainage area = 7.350 ac Curve number = 80" Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = User Time of conc. (Tc) = 7.70 min Total precip. = 5.52 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Composite (Area/CN) _ [(3.860 x 98) + (3.490 x 61)117.350 Q (cfs) 40.00 30.00 20.00 10.00 0.00 0 120 240 Hyd No. 30 POST DEV_7.35 acres Hyd. No. 30 — 10 Year 360 480 600 720 840 Q (cfs) 40.00 30.00 20.00 10.00 ' ' 0.00 960 1080 1200 1320 1440 1560 Time (min) Hydrograph Report 4 Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Hyd. No. 30 POST DEV_7.35 acres Hydrograph type = SCS Runoff Storm frequency = 100 yrs Time interval = 2 min Drainage area = 7.350 ac Basin Slope = 0.0 % Tc method = User Total precip. = 9.07 in Storm duration = 24 hrs Composite (Area/CN) _ [(3.860 x 98) + (3.490 x 61)117.350 Q (Cf8 80.00 70.00 .1 11 50.00 40.00 30.00 20.00 10.00 Peak discharge Time to peak Hyd. volume Curve number Hydraulic length Time of conc. (Tc) Distribution Shape factor Wednesday, 04 / 14 / 2021 = 74.73 cfs = 718 min = 177,014 tuft = 80" = 0 ft = 7.70 min = Type II = 484 Q (ds) 80.00 70.00 .1 11 50.00 40.00 30.00 20.00 10.00 0.00 0.00 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 Hyd No. 30 Time (min) Hydrograph Report I Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Hyd. No. 31 Routed Post 1.5in EB Hydrograph type = Reservoir Peak discharge Storm frequency = 1 yrs Time to peak Time interval = 2 min Hyd. volume Inflow hyd. No. = 30 - POST DEV_7.35 acres Max. Elevation Reservoir name = ED Pond Max. Storage Storage Indication method used. Q (cfs) 15.00 12.00 3.00 0.00 0 600 Hyd No. 31 Routed_Post_1.5in EB Hyd. No. 31 - 1 Year 1200 1800 2400 — Hyd No. 30 Wednesday, 04 / 14 / 2021 = 0.144 cfs = 1444 min = 33,117 cult = 420.08 ft = 27,499 cuft 3000 3600 4200 4800 5400 TTTTT- Total storage used = 27,499 cult Q (cfs) 15.00 12.00 Ill l 3.00 1 0.00 6000 Time (min) Hydrograph Report 3 Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Hyd. No. 31 Routed Post 1.5in EB Hydrograph type = Reservoir Peak discharge Storm frequency = 2 yrs Time to peak Time interval = 2 min Hyd. volume Inflow hyd. No. = 30 - POST DEV_7.35 acres Max. Elevation Reservoir name = ED Pond Max. Storage Storage Indication method used. Q (cfs) 21.00 18.00 15.00 12.00 .M 3.00 M Routed_Post_1.5in EB Hyd. No. 31 - 2 Year Wednesday, 04 / 14 / 2021 = 0.580 cfs = 922 min = 45,679 cuft = 420.54 ft = 31,786 cult Q (cfs) 21.00 18.00 15.00 12.00 l Ill 3.00 ETb 0 600 1200 1800 2400 3000 3600 4200 4800 5400 6000 Time (min) — Hyd No. 31 —Hyd No. 30 TTTT-F- Total storage used = 31,786 cult Hydrograph Report 4 Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Wednesday, 04 / 14 / 2021 Hyd. No. 31 Routed Post 1.5in EB Hydrograph type = Reservoir Peak discharge = 4.207 cfs Storm frequency = 10 yrs Time to peak = 746 min Time interval = 2 min Hyd. volume = 88,102 cult Inflow hyd. No. = 30 - POST DEV-7.35 acres Max. Elevation = 422.12 ft Reservoir name = ED Pond Max. Storage = 47,170 cuft Storage Indication method used Q (Cfs) 40.00 30.00 20.00 10.00 0.00 0 600 Hyd No. 31 Routed_Post_1.5in EB Hyd. No. 31 — 10 Year 1200 1800 2400 — Hyd No. 30 3000 3600 4200 4800 5400 TTTTT- Total storage used = 47,170 cult Q (Cfs) 40.00 30.00 20.00 10.00 1 0.00 6000 Time (min) Hydrograph Report 5 Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Wednesday, 04 / 14 / 2021 Hyd. No. 31 Routed Post 1.5in EB Hydrograph type = Reservoir Peak discharge = 42.26 cfs Storm frequency = 100 yrs Time to peak = 724 min Time interval = 2 min Hyd. volume = 175,587 cuft Inflow hyd. No. = 30 - POST DEV_7.35 acres Max. Elevation = 424.29 ft Reservoir name = ED Pond Max. Storage = 73,984 cuft Storage Indication method used Routed Post 1.5in EB Q(�) — — Q(�) Hyd. No. 31 -- 100 Year 80.00 70.00 60.00 50.00 40.00 30.00 20.00 10.00 000 80.00 70.00 60.00 50.00 40.00 30.00 20.00 10.00 000 0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Time (min) — Hyd No. 31 —Hyd No. 30 ®Total storage used = 73,984 cuff Hydrograph Report 1 Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Wednesday, 04 / 14 / 2021 Hyd. No. 31 Routed Post 3in EB Hydrograph type = Reservoir Peak discharge = 0.512 cfs Storm frequency = 1 yrs Time to peak = 882 min Time interval = 2 min Hyd. volume = 33,579 cult Inflow hyd. No. = 30 - POST DEV_7.35 acres Max. Elevation = 419.00 ft Reservoir name = ED Pond Max. Storage = 18,986 cuft Storage Indication method used Q (cfs) 15.00 12.00 MN .m 3.00 Routed_Post_311in EB Hyd. No. 31 -- 1 Year 0.00 0 240 480 720 960 1200 1440 1680 1920 2160 Hyd No. 31 — Hyd No. 30 ® Total storage used = 18,986 cuft Q (cfs) 15.00 12.00 l 3.00 ---4- 0.00 2400 Time (min) Hydrograph Report 3 Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Hyd. No. 31 Routed Post 3in EB Hydrograph type = Reservoir Peak discharge Storm frequency = 2 yrs Time to peak Time interval = 2 min Hyd. volume Inflow hyd. No. = 30 - POST DEV_7.35 acres Max. Elevation Reservoir name = ED Pond Max. Storage Storage Indication method used. Routed Post 3in EB Wednesday, 04 / 14 / 2021 = 0.571 cfs = 926 min = 46,684 cult = 420.18 ft = 28,383 cuft Q (cfs) Q (cfs) Hyd. No. 31 -- 2 Year 21.00 21.00 18.00 18.00 15.00 15.00 12.00 12.00 9.00 9.00 6.00 6.00 3.00 3.00 0.00 0.00 0 240 480 720 960 1200 1440 1680 1920 2160 2400 2640 2880 Time (min) — Hyd No. 31 —Hyd No. 30 ®Total storage used = 28,383 cuff Hydrograph Report 4 Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Wednesday, 04 / 14 / 2021 Hyd. No. 31 Routed Post 3in EB Hydrograph type = Reservoir Peak discharge = 3.882 cfs Storm frequency = 10 yrs Time to peak = 748 min Time interval = 2 min Hyd. volume = 89,237 cult Inflow hyd. No. = 30 - POST DEV-7.35 acres Max. Elevation = 422.17 ft Reservoir name = ED Pond Max. Storage = 47,757 cuft Storage Indication method used Q (Cfs) 40.00 30.00 20.00 10.00 0.00 0 240 480 Hyd No. 31 Routed_Post_3in EB Hyd. No. 31 — 10 Year Q (Cfs) 40.00 30.00 20.00 10.00 11 0.00 720 960 1200 1440 1680 1920 2160 2400 2640 2880 3120 Time (min) — Hyd No. 30 ®Total storage used = 47,757 tuft Hydrograph Report 5 Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Hyd. No. 31 Routed Post 3in EB Hydrograph type = Reservoir Peak discharge Storm frequency = 100 yrs Time to peak Time interval = 2 min Hyd. volume Inflow hyd. No. = 30 - POST DEV_7.35 acres Max. Elevation Reservoir name = ED Pond Max. Storage Storage Indication method used. Routed Post 3in EB Wednesday, 04 / 14 / 2021 = 34.20 cfs = 726 min = 176,842 cuft = 424.29 ft = 73,969 cuft OT TT I of I of of I of is I of . lot ---------- is lot i lot I is oil off O a 0 W T R O N cli (n � O a v o CD cc LL 0 o U CO � � N V C M N N O a � O a R O U W LL T O m p C 3 M64 > ap C > EW O � 3 U roW J �p yz c R aN O a> 00 �w o_ N N n� V W U _ d Q O C W Y C7 > O o > O — oc c� o > (n N )LL Q a 0 F- D 0 0 5 m J O O r LL 0 0 0 0 0 0 0 N o 0 0 0 0 o m ro N V N O O O a` Pond Report 1.5" Orifice 2 Hydrailow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Wednesday, 04 / 14 / 2021 Pond No. 9 - ED Pond Pond Data Contours -User-defined contour areas. Average end area method used for volume calculation. Begining Elevation = 414.00 ft Stage / Storage Table Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cult) Total storage (cult) 0.00 414.00 1,412 0 0 1.00 415.00 1,874 1,643 1,643 2.00 416.00 2,391 2,133 3,776 3.00 417.00 4,590 3,491 7,266 4.00 418.00 5,805 5,198 12,464 5.00 419.00 7,184 6,495 18,958 6.00 420.00 8,323 7,754 26,712 8.00 422.00 10,627 18,950 45,662 10.00 424.00 13,551 24,178 69,840 11.00 425.00 14,543 14,047 83,887 11.30 425.30 14,827 4,405 88,292 Culvert / Orifice Structures Weir Structures [A] [B] [C] [PrfRsr] [A] [B] [C] [D] Rise (in) = 18.00 1.50 10.00 0.00 Crest Len (ft) = 12.57 30.00 Inactive 0.00 Span (in) = 18.00 1.50 10.00 0.00 Crest El. (ft) = 422.10 424.00 0.00 0.00 No. Barrels = 1 1 1 0 Weir Coeff. = 3.33 3.33 3.33 3.33 Invert El. (ft) = 414.00 414.10 420.20 0.00 Weir Type = 1 Ciplti -- -- Length (ft) = 106.00 0.67 0.67 0.00 Multistage = Yes No No No Slope (%) = 4.71 0.00 0.00 n/a N-Value = .013 .013 .013 n/a Orifice Coeff. = 0.60 0.60 0.60 0.60 Exfil.(in/hr) = 0.000 (by Wet area) Multi -Stage = n/a Yes Yes No TW Elev. (ft) = 0.00 Note: Culwrl/Orfice o.M. are analyzed under inlet (ic) and outlet (act control. Weir risers checked for notice conditions (ic) and submergence (a). Stage / Storage / Discharge Table Stage Storage Elevation CIvA Clv B Clv C PrfRsr WrA Wr B Wr C Wr D Exfil User Total ft cuft ft cfs cfs cis cis cfs cfs cfs cfs cfs cfs cis 0.00 0 414.00 0.00 0.00 0.00 --- 0.00 0.00 -- -- -- --- 0.000 1.00 1,643 415.00 0.06 is 0.05 is 0.00 -- 0.00 0.00 -- -- -- -- 0.054 2.00 3,776 416.00 0.08 is 0.08 is 0.00 -- 0.00 0.00 -- -- -- -- 0.080 3.00 7,266 417.00 0.10 is 0.10 is 0.00 -- 0.00 0.00 -- -- -- --- 0.100 4.00 12,464 418.00 0.12 is 0.12 is 0.00 --- 0.00 0.00 -- -- -- --- 0.116 5.00 18,958 419.00 0.13 is 0.13 is 0.00 --- 0.00 0.00 -- -- -- -- 0.130 6.00 26,712 420.00 0.14 is 0.14 is 0.00 --- 0.00 0.00 -- -- -- -- 0.143 8.00 45,662 422.00 3.26 is 0.16 is 3.09 is --- 0.00 0.00 -- -- -- -- 3.246 10.00 69,840 424.00 25.84 is 0.01 is 0.44 is -- 25.36 s 0.00 -- -- -- -- 25.81 11.00 83,887 425.00 27.23 is 0.01 is 0.26 is -- 26.87 s 99.90 -- -- -- -- 127.04 11.30 88,292 425.30 27.62 is 0.01 is 0.23 is -- 27.27 s 148.07 -- -- -- -- 175.58 0 W T N O N cli (n � O a v o CD cc LL 0 o U CO � � N V C M N N O a O _ao U W LL T O m 0 C 3 O � (p O64 p O u > O a0 C ' EW O � 3 U roW J ap yz c R aN O a> 00 �w 0 0 N N V X N O 3 LL' W d C' i 0 C C O O — C ca O > m O j c ni ULL Q a 0 F- D 0 0 5 m J p p r LL p p o 0 0 0 0 N o 0 0 0 0 o m ro N V N O O O a` Pond Report 3" orifice 2 Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Wednesday, 04 / 14 / 2021 Pond No. 9 - ED Pond Pond Data Contours -User-defined contour areas. Average end area method used for volume calculation. Begining Elevation = 414.00 ft Stage / Storage Table Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cult) Total storage (cult) 0.00 414.00 1,412 0 0 1.00 415.00 1,874 1,643 1,643 2.00 416.00 2,391 2,133 3,776 3.00 417.00 4,590 3,491 7,266 4.00 418.00 5,805 5,198 12,464 5.00 419.00 7,184 6,495 18,958 6.00 420.00 8,323 7,754 26,712 8.00 422.00 10,627 18,950 45,662 10.00 424.00 13,551 24,178 69,840 11.00 425.00 14,543 14,047 83,887 11.30 425.30 14,827 4,405 88,292 Culvert / Orifice Structures Weir Structures [A] [131 [C] [PrfRsq [A] [131 [C] [D] Rise (in) = 18.00 3.00 Inactive 0.00 Crest Len (ft) = 12.57 15.00 Inactive 0.00 Span (in) = 18.00 3.00 10.00 0.00 Crest El. (ft) = 422.00 424.00 421.60 0.00 No. Barrels = 1 1 1 0 Weir Coeff. = 3.33 3.33 0.68 3.33 Invert El. (ft) = 414.00 414.10 420.20 0.00 Weir Type = 1 Ciplti 30 degV -- Length (ft) = 106.00 0.67 0.67 0.00 Multistage = Yes No Yes No Slope (%) = 4.71 0.00 0.00 n/a N-Value = .013 .013 .013 n/a Orifice Coeff. = 0.60 0.60 0.60 0.60 Exfil.(in/hr) = 0.000 (by Wet area) Multi -Stage = n/a Yes Yes No TW Elev. (ft) = 0.00 Note: Culwrl/Orfice o.M. are analyzed under inlet (ic) and outlet (act control. Weir risers checked for notice conditions (ic) and submergence (a). Stage / Storage / Discharge Table Stage Storage Elevation CIvA Clv B Clv C PrfRsr WrA Wr B Wr C Wr D Exfil User Total ft cuft ft cfs cfs cis cis cfs cfs cfs cfs cfs cfs cis 0.00 0 414.00 0.00 0.00 0.00 --- 0.00 0.00 -- -- -- --- 0.000 1.00 1,643 415.00 0.22 is 0.21 is 0.00 -- 0.00 0.00 -- -- -- -- 0.208 2.00 3,776 416.00 0.31 is 0.31 is 0.00 -- 0.00 0.00 -- -- -- -- 0.314 3.00 7,266 417.00 0.41 is 0.39 is 0.00 -- 0.00 0.00 -- -- -- -- 0.390 4.00 12,464 418.00 0.46 is 0.46 is 0.00 --- 0.00 0.00 -- -- -- -- 0.455 5.00 18,958 419.00 0.52 is 0.51 is 0.00 --- 0.00 0.00 -- -- -- -- 0.512 6.00 26,712 420.00 0.58 is 0.56 is 0.00 --- 0.00 0.00 -- -- -- - 0.563 8.00 45,662 422.00 0.65 is 0.65 is 0.00 --- 0.00 0.00 -- -- -- - 0.654 10.00 69,840 424.00 25.84 is 0.04 is 0.00 --- 25.79 s 0.00 -- -- -- - 25.83 11.00 83,887 425.00 27.23 is 0.02 is 0.00 --- 27.18 s 49.95 -- -- -- - 77.16 11.30 88,292 425.30 27.62 is 0.02 is 0.00 --- 27.58 s 74.04 -- -- -- - 101.64