SW5200601_2020-04-30 Hydrograph Charter_20200605

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Watershed Model Schematic Hydraflow Hydrographs by Intelisolve v9.2
Project: Charter Furniture Model.gpw Thursday, Apr 30, 2020
Hyd. Origin Description
Legend
1 SCS Runoff Pre Development Site
2 SCS Runoff Post Development - BMP
3 SCS Runoff Post Development - Bypass
4 Reservoir Dry Pond
5 Combine Post-Development Total Site
Hydrograph Return Period Recap
2
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 ------- 51.34 ------- ------- ------- 120.81 ------- ------- 201.10 Pre Development Site
2 SCS Runoff ------- 10.71 ------- ------- ------- 23.61 ------- ------- 38.19 Post Development - BMP
3 SCS Runoff ------- 48.20 ------- ------- ------- 106.29 ------- ------- 171.89 Post Development - Bypass
4 Reservoir 2 0.132 ------- ------- ------- 3.691 ------- ------- 26.09 Dry Pond
5 Combine 3, 4 48.30 ------- ------- ------- 106.42 ------- ------- 193.79 Post-Development Total Site
Proj. file: Charter Furniture Model.gpw Thursday, Apr 30, 2020
Hydraflow Hydrographs by Intelisolve v9.2
Hydrograph Summary Report
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Hyd. Hydrograph Peak Time Time to Hyd. Inflow Maximum Total Hydrograph
No. type flow interval peak volume hyd(s) elevation strge used description
(origin) (cfs) (min) (min) (cuft) (ft) (cuft)
1 SCS Runoff 51.34 2 718 103,447 ---- ------ ------ Pre Development Site
2 SCS Runoff 10.71 2 716 21,667 ---- ------ ------ Post Development - BMP
3 SCS Runoff 48.20 2 716 97,528 ---- ------ ------ Post Development - Bypass
4 Reservoir 0.132 2 1180 21,651 2 631.03 16,002 Dry Pond
5 Combine 48.30 2 716 119,178 3, 4 ------ ------ Post-Development Total Site
Charter Furniture Model.gpw Return Period: 1 Year Thursday, Apr 30, 2020
Hydraflow Hydrographs by Intelisolve v9.2
Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.2 Thursday, Apr 30, 2020
Hyd. No. 1
Pre Development Site
Hydrograph type = SCS Runoff Peak discharge = 51.34 cfs
Storm frequency = 1 yrs Time to peak = 11.97 hrs
Time interval = 2 min Hyd. volume = 103,447 cuft
Drainage area = 22.170 ac Curve number = 82*
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = USER Time of conc. (Tc) = 5.00 min
Total precip. = 2.99 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
* Composite (Area/CN) = [(13.680 x 98) + (8.490 x 55)] / 22.170
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0 2 4 6 8 10 12 14 16 18 20 22 24 26
Q (cfs)
0.00 0.00
10.00 10.00
20.00 20.00
30.00 30.00
40.00 40.00
50.00 50.00
60.00 60.00
Q (cfs)
Time (hrs)
Pre Development Site
Hyd. No. 1 -- 1 Year
Hyd No. 1
Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.2 Thursday, Apr 30, 2020
Hyd. No. 2
Post Development - BMP
Hydrograph type = SCS Runoff Peak discharge = 10.71 cfs
Storm frequency = 1 yrs Time to peak = 11.93 hrs
Time interval = 2 min Hyd. volume = 21,667 cuft
Drainage area = 4.030 ac Curve number = 85*
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = USER Time of conc. (Tc) = 5.00 min
Total precip. = 2.99 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
* Composite (Area/CN) = [(2.850 x 98) + (1.180 x 55)] / 4.030
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0 2 4 6 8 10 12 14 16 18 20 22 24
Q (cfs)
0.00 0.00
2.00 2.00
4.00 4.00
6.00 6.00
8.00 8.00
10.00 10.00
12.00 12.00
Q (cfs)
Time (hrs)
Post Development - BMP
Hyd. No. 2 -- 1 Year
Hyd No. 2
Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.2 Thursday, Apr 30, 2020
Hyd. No. 3
Post Development - Bypass
Hydrograph type = SCS Runoff Peak discharge = 48.20 cfs
Storm frequency = 1 yrs Time to peak = 11.93 hrs
Time interval = 2 min Hyd. volume = 97,528 cuft
Drainage area = 18.140 ac Curve number = 85*
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = USER Time of conc. (Tc) = 5.00 min
Total precip. = 2.99 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
* Composite (Area/CN) = [(12.500 x 98) + (5.640 x 55)] / 18.140
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0 2 4 6 8 10 12 14 16 18 20 22 24
Q (cfs)
0.00 0.00
10.00 10.00
20.00 20.00
30.00 30.00
40.00 40.00
50.00 50.00
Q (cfs)
Time (hrs)
Post Development - Bypass
Hyd. No. 3 -- 1 Year
Hyd No. 3
Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.2 Thursday, Apr 30, 2020
Hyd. No. 4
Dry Pond
Hydrograph type = Reservoir Peak discharge = 0.132 cfs
Storm frequency = 1 yrs Time to peak = 19.67 hrs
Time interval = 2 min Hyd. volume = 21,651 cuft
Inflow hyd. No. = 2 - Post Development - BMP Max. Elevation = 631.03 ft
Reservoir name = Dry Pond Max. Storage = 16,002 cuft
Storage Indication method used.
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0 8 16 24 32 40 48 56 64 72 80 88
Q (cfs)
0.00 0.00
2.00 2.00
4.00 4.00
6.00 6.00
8.00 8.00
10.00 10.00
12.00 12.00
Q (cfs)
Time (hrs)
Dry Pond
Hyd. No. 4 -- 1 Year
Hyd No. 4 Hyd No. 2 Total storage used = 16,002 cuft
Pond Report 8
Hydraflow Hydrographs by Intelisolve v9.2 Thursday, Apr 30, 2020
Pond No. 1 - Dry Pond
Pond Data
Contours - User-defined contour areas. Average end area method used for volume calculation. Begining Elevation = 626.00 ft
Stage / Storage Table
Stage (ft) Elevation (ft) Contour area (sqft) Incr. Storage (cuft) Total storage (cuft)
0.00 626.00 1,536 0 0
1.00 627.00 2,100 1,818 1,818
2.00 628.00 2,736 2,418 4,236
3.00 629.00 3,444 3,090 7,326
4.00 630.00 4,224 3,834 11,160
5.00 631.00 5,076 4,650 15,810
6.00 632.00 6,000 5,538 21,348
7.00 633.00 6,988 6,494 27,842
8.00 634.00 7,503 7,246 35,088
9.00 635.00 8,973 8,238 43,326
Culvert / Orifice Structures Weir Structures
[A] [B] [C] [PrfRsr] [A] [B] [C] [D]
Rise (in)= 18.00 1.50 0.00 0.00
Span (in)= 18.00 1.50 0.00 0.00
No. Barrels = 1 1 0 0
Invert El. (ft)= 625.50 626.00 0.00 0.00
Length (ft)= 60.00 0.00 0.00 0.00
Slope (%)= 0.50 0.00 0.00 n/a
N-Value = .013 .013 .013 n/a
Orifice Coeff.= 0.60 0.60 0.60 0.60
Multi-Stage = n/a No No No
Crest Len (ft)= 9.42 10.00 0.00 0.00
Crest El. (ft)= 632.50 633.50 0.00 0.00
Weir Coeff.= 3.33 3.00 3.33 3.33
Weir Type = Riser Broad --- ---
Multi-Stage = Yes No No No
Exfil.(in/hr)= 0.000 (by Contour)
TW Elev. (ft)= 0.00
Note: Culvert/Orifice outflows are analyzed under inlet (ic) and outlet (oc) control. Weir risers checked for orifice conditions (ic) and submergence (s).
Stage / Storage / Discharge Table
Stage Storage Elevation Clv A Clv B Clv C PrfRsr Wr A Wr B Wr C Wr D Exfil User Total
ft cuft ft cfs cfs cfs cfs cfs cfs cfs cfs cfs cfs cfs
0.00 0 626.00 0.00 0.00 --- --- 0.00 0.00 --- --- --- --- 0.000
1.00 1,818 627.00 1.27 ic 0.06 ic --- --- 0.00 0.00 --- --- --- --- 0.057
2.00 4,236 628.00 1.27 ic 0.08 ic --- --- 0.00 0.00 --- --- --- --- 0.082
3.00 7,326 629.00 1.27 ic 0.10 ic --- --- 0.00 0.00 --- --- --- --- 0.101
4.00 11,160 630.00 1.27 ic 0.12 ic --- --- 0.00 0.00 --- --- --- --- 0.117
5.00 15,810 631.00 1.27 ic 0.13 ic --- --- 0.00 0.00 --- --- --- --- 0.131
6.00 21,348 632.00 1.27 ic 0.14 ic --- --- 0.00 0.00 --- --- --- --- 0.144
7.00 27,842 633.00 11.09 oc 0.16 ic --- --- 11.09 0.00 --- --- --- --- 11.25
8.00 35,088 634.00 23.53 ic 0.17 ic --- --- 23.53 s 10.61 --- --- --- --- 34.30
9.00 43,326 635.00 25.13 ic 0.18 ic --- --- 25.13 s 55.11 --- --- --- --- 80.42
Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.2 Thursday, Apr 30, 2020
Hyd. No. 5
Post-Development Total Site
Hydrograph type = Combine Peak discharge = 48.30 cfs
Storm frequency = 1 yrs Time to peak = 11.93 hrs
Time interval = 2 min Hyd. volume = 119,178 cuft
Inflow hyds. = 3, 4 Contrib. drain. area = 18.140 ac
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Q (cfs)
0.00 0.00
10.00 10.00
20.00 20.00
30.00 30.00
40.00 40.00
50.00 50.00
Q (cfs)
Time (hrs)
Post-Development Total Site
Hyd. No. 5 -- 1 Year
Hyd No. 5 Hyd No. 3 Hyd No. 4
Hydrograph Summary Report
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Hyd. Hydrograph Peak Time Time to Hyd. Inflow Maximum Total Hydrograph
No. type flow interval peak volume hyd(s) elevation strge used description
(origin) (cfs) (min) (min) (cuft) (ft) (cuft)
1 SCS Runoff 120.81 2 716 247,889 ---- ------ ------ Pre Development Site
2 SCS Runoff 23.61 2 716 49,115 ---- ------ ------ Post Development - BMP
3 SCS Runoff 106.29 2 716 221,079 ---- ------ ------ Post Development - Bypass
4 Reservoir 3.691 2 726 49,001 2 632.73 26,098 Dry Pond
5 Combine 106.42 2 716 270,080 3, 4 ------ ------ Post-Development Total Site
Charter Furniture Model.gpw Return Period: 10 Year Thursday, Apr 30, 2020
Hydraflow Hydrographs by Intelisolve v9.2
Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.2 Thursday, Apr 30, 2020
Hyd. No. 1
Pre Development Site
Hydrograph type = SCS Runoff Peak discharge = 120.81 cfs
Storm frequency = 10 yrs Time to peak = 11.93 hrs
Time interval = 2 min Hyd. volume = 247,889 cuft
Drainage area = 22.170 ac Curve number = 82*
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = USER Time of conc. (Tc) = 5.00 min
Total precip. = 5.23 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
* Composite (Area/CN) = [(13.680 x 98) + (8.490 x 55)] / 22.170
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0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0
Q (cfs)
0.00 0.00
20.00 20.00
40.00 40.00
60.00 60.00
80.00 80.00
100.00 100.00
120.00 120.00
140.00 140.00
Q (cfs)
Time (hrs)
Pre Development Site
Hyd. No. 1 -- 10 Year
Hyd No. 1
Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.2 Thursday, Apr 30, 2020
Hyd. No. 2
Post Development - BMP
Hydrograph type = SCS Runoff Peak discharge = 23.61 cfs
Storm frequency = 10 yrs Time to peak = 11.93 hrs
Time interval = 2 min Hyd. volume = 49,115 cuft
Drainage area = 4.030 ac Curve number = 85*
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = USER Time of conc. (Tc) = 5.00 min
Total precip. = 5.23 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
* Composite (Area/CN) = [(2.850 x 98) + (1.180 x 55)] / 4.030
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0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0
Q (cfs)
0.00 0.00
4.00 4.00
8.00 8.00
12.00 12.00
16.00 16.00
20.00 20.00
24.00 24.00
Q (cfs)
Time (hrs)
Post Development - BMP
Hyd. No. 2 -- 10 Year
Hyd No. 2
Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.2 Thursday, Apr 30, 2020
Hyd. No. 3
Post Development - Bypass
Hydrograph type = SCS Runoff Peak discharge = 106.29 cfs
Storm frequency = 10 yrs Time to peak = 11.93 hrs
Time interval = 2 min Hyd. volume = 221,079 cuft
Drainage area = 18.140 ac Curve number = 85*
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = USER Time of conc. (Tc) = 5.00 min
Total precip. = 5.23 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
* Composite (Area/CN) = [(12.500 x 98) + (5.640 x 55)] / 18.140
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0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0
Q (cfs)
0.00 0.00
20.00 20.00
40.00 40.00
60.00 60.00
80.00 80.00
100.00 100.00
120.00 120.00
Q (cfs)
Time (hrs)
Post Development - Bypass
Hyd. No. 3 -- 10 Year
Hyd No. 3
Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.2 Thursday, Apr 30, 2020
Hyd. No. 4
Dry Pond
Hydrograph type = Reservoir Peak discharge = 3.691 cfs
Storm frequency = 10 yrs Time to peak = 12.10 hrs
Time interval = 2 min Hyd. volume = 49,001 cuft
Inflow hyd. No. = 2 - Post Development - BMP Max. Elevation = 632.73 ft
Reservoir name = Dry Pond Max. Storage = 26,098 cuft
Storage Indication method used.
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0 8 16 24 32 40 48 56 64 72 80 88
Q (cfs)
0.00 0.00
4.00 4.00
8.00 8.00
12.00 12.00
16.00 16.00
20.00 20.00
24.00 24.00
Q (cfs)
Time (hrs)
Dry Pond
Hyd. No. 4 -- 10 Year
Hyd No. 4 Hyd No. 2 Total storage used = 26,098 cuft
Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.2 Thursday, Apr 30, 2020
Hyd. No. 5
Post-Development Total Site
Hydrograph type = Combine Peak discharge = 106.42 cfs
Storm frequency = 10 yrs Time to peak = 11.93 hrs
Time interval = 2 min Hyd. volume = 270,080 cuft
Inflow hyds. = 3, 4 Contrib. drain. area = 18.140 ac
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Q (cfs)
0.00 0.00
20.00 20.00
40.00 40.00
60.00 60.00
80.00 80.00
100.00 100.00
120.00 120.00
Q (cfs)
Time (hrs)
Post-Development Total Site
Hyd. No. 5 -- 10 Year
Hyd No. 5 Hyd No. 3 Hyd No. 4
Hydrograph Summary Report
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Hyd. Hydrograph Peak Time Time to Hyd. Inflow Maximum Total Hydrograph
No. type flow interval peak volume hyd(s) elevation strge used description
(origin) (cfs) (min) (min) (cuft) (ft) (cuft)
1 SCS Runoff 201.10 2 716 423,506 ---- ------ ------ Pre Development Site
2 SCS Runoff 38.19 2 716 81,775 ---- ------ ------ Post Development - BMP
3 SCS Runoff 171.89 2 716 368,090 ---- ------ ------ Post Development - Bypass
4 Reservoir 26.09 2 720 81,659 2 633.74 33,007 Dry Pond
5 Combine 193.79 2 716 449,748 3, 4 ------ ------ Post-Development Total Site
Charter Furniture Model.gpw Return Period: 100 Year Thursday, Apr 30, 2020
Hydraflow Hydrographs by Intelisolve v9.2
Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.2 Thursday, Apr 30, 2020
Hyd. No. 1
Pre Development Site
Hydrograph type = SCS Runoff Peak discharge = 201.10 cfs
Storm frequency = 100 yrs Time to peak = 11.93 hrs
Time interval = 2 min Hyd. volume = 423,506 cuft
Drainage area = 22.170 ac Curve number = 82*
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = USER Time of conc. (Tc) = 5.00 min
Total precip. = 7.74 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
* Composite (Area/CN) = [(13.680 x 98) + (8.490 x 55)] / 22.170
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0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0
Q (cfs)
0.00 0.00
30.00 30.00
60.00 60.00
90.00 90.00
120.00 120.00
150.00 150.00
180.00 180.00
210.00 210.00
Q (cfs)
Time (hrs)
Pre Development Site
Hyd. No. 1 -- 100 Year
Hyd No. 1
Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.2 Thursday, Apr 30, 2020
Hyd. No. 2
Post Development - BMP
Hydrograph type = SCS Runoff Peak discharge = 38.19 cfs
Storm frequency = 100 yrs Time to peak = 11.93 hrs
Time interval = 2 min Hyd. volume = 81,775 cuft
Drainage area = 4.030 ac Curve number = 85*
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = USER Time of conc. (Tc) = 5.00 min
Total precip. = 7.74 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
* Composite (Area/CN) = [(2.850 x 98) + (1.180 x 55)] / 4.030
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0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0
Q (cfs)
0.00 0.00
10.00 10.00
20.00 20.00
30.00 30.00
40.00 40.00
Q (cfs)
Time (hrs)
Post Development - BMP
Hyd. No. 2 -- 100 Year
Hyd No. 2
Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.2 Thursday, Apr 30, 2020
Hyd. No. 3
Post Development - Bypass
Hydrograph type = SCS Runoff Peak discharge = 171.89 cfs
Storm frequency = 100 yrs Time to peak = 11.93 hrs
Time interval = 2 min Hyd. volume = 368,090 cuft
Drainage area = 18.140 ac Curve number = 85*
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = USER Time of conc. (Tc) = 5.00 min
Total precip. = 7.74 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
* Composite (Area/CN) = [(12.500 x 98) + (5.640 x 55)] / 18.140
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0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0
Q (cfs)
0.00 0.00
20.00 20.00
40.00 40.00
60.00 60.00
80.00 80.00
100.00 100.00
120.00 120.00
140.00 140.00
160.00 160.00
180.00 180.00
Q (cfs)
Time (hrs)
Post Development - Bypass
Hyd. No. 3 -- 100 Year
Hyd No. 3
Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.2 Thursday, Apr 30, 2020
Hyd. No. 4
Dry Pond
Hydrograph type = Reservoir Peak discharge = 26.09 cfs
Storm frequency = 100 yrs Time to peak = 12.00 hrs
Time interval = 2 min Hyd. volume = 81,659 cuft
Inflow hyd. No. = 2 - Post Development - BMP Max. Elevation = 633.74 ft
Reservoir name = Dry Pond Max. Storage = 33,007 cuft
Storage Indication method used.
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0 2 4 6 8 10 12 14 16 18 20 22 24 26
Q (cfs)
0.00 0.00
10.00 10.00
20.00 20.00
30.00 30.00
40.00 40.00
Q (cfs)
Time (hrs)
Dry Pond
Hyd. No. 4 -- 100 Year
Hyd No. 4 Hyd No. 2 Total storage used = 33,007 cuft
Hydrograph Report
Hydraflow Hydrographs by Intelisolve v9.2 Thursday, Apr 30, 2020
Hyd. No. 5
Post-Development Total Site
Hydrograph type = Combine Peak discharge = 193.79 cfs
Storm frequency = 100 yrs Time to peak = 11.93 hrs
Time interval = 2 min Hyd. volume = 449,748 cuft
Inflow hyds. = 3, 4 Contrib. drain. area = 18.140 ac
21
0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0
Q (cfs)
0.00 0.00
30.00 30.00
60.00 60.00
90.00 90.00
120.00 120.00
150.00 150.00
180.00 180.00
210.00 210.00
Q (cfs)
Time (hrs)
Post-Development Total Site
Hyd. No. 5 -- 100 Year
Hyd No. 5 Hyd No. 3 Hyd No. 4