SW1190201_Wet Pond REV Calcs 2019-07-08_7/8/2019

Pond Report
Hydraflow Hydrographs Extension for Autodesk(D Civil 3DO 2019 by Autodesk, Inc. v2020
Tuesday, 07 / 212019
Pond No. 2 - MAIN POOL
Pond Data
Contours -User-defined contour areas. Conic method used
for volume calculation. Begining
Elevation w 2557.00 ft
Stage 1 Storage Table
Stage (ft) Elevation (ft)
Contour area (sgft)
Incr. Storage (tuft)
Total storage (cult)
0.00 2557.00
3,251
0
0
1.00 2558.00
3,703
3,474
3,474
2.00 2559.00
4,179
3.938
7,412
3.00 2560.00
4,681
4,427
11,840
4.00 2561.00
5,208
4,942
16,781
Culvert / Orifice Structures
Weir Structures
[A]
[B]
[C]
[PrfRsr]
[A] [B]
[C]
[D]
Rise (in) = 0.00
0.00
0.00
0.00
Crest Len (ft)
= 0.00 0.00
0.00
0.00
Span (in) = 0.00
0.00
0.00
0.00
Crest El. (ft)
= 0.00 0.00
0.00
0.00
No. Barrels = 0
0
0
0
Weir Coeff.
= 0.00 0.00
0.00
0,00
Invert El. (ft) = 0.00
0.00
0.00
0.00
Weir Type
= --- ---
---
---
Length (ft) = 0.00
0.00
0.00
0.00
Multi -Stage
= No No
No
No
Slope (%) = 0.00
0.00
0.00
n/a
N-Value = .000
.000
.000
n!a
Orifice Coeff. = 0.00
0.00
0.00
0.00
Exfil.finlhr)
= 0.000 (by Wet area)
Multi -Stage = n/a
No
No
No
TW Elev. (ft)
= 0.00
Note, CulwrWrifice outflows are analyzed under inlet (ic) and outlet (oc) control. Weir risers checked for office conditions (ic) and submergence (s).
Stage 1
Storage I Discharge Table
Stage
Storage
Elevation
Clv A
Clv B Clv C PrfRsr Wr A Wr B Wr C Wr U Exfil User Total
ft
tuft
ft
cfs
cfs cfs cfs cfs cfs cfs cfs cfs cfs cfs
0,00
0
2557.00
---
--- --- --- --- ... - 0.000
1.00
3,474
2558.00
---
--- --- --- --- 0.000
2.00
7.412
2559.00
---
--- --- --- --- --- 0.000
3.00
11,840
2560.00
--- --- --- --- --- --- --- 0.000
4.00
16,781
2561.00
---
--- --- --- --- --- --- --- --- 0.000

Pond Report
Hydraflow Hydrographs Extension for Autodesk® Civil 3D® 2019 by Autodesk, Inc. v2020
Tuesday, 07 / 2 / 2019
Pond No. 1 - TEMPORARY
POOL
Pond Data
Contours -User-defined contour areas. Conic method used
for volume calculation. Begining
Elevation = 2561.00 ft
Stage / Storage Table
Stage (ft) Elevation (ft)
Contour
area (sqft)
Incr. Storage (cuft)
Total storage (cuft)
0.00 2561.00
7,405
0
0
1.00 2562.00
9,218
8,294
8,294
2.00 2563.00
10,023
9,617
17,911
3.00 2564.00
10,847
10,431
28,342
Culvert / Orifice Structures
Weir Structures
[A]
[B]
[C]
[PrFRSr]
[A] [B]
[C]
[D]
Rise (in) = 24.00
4.00
0.00
0.00
Crest Len (ft)
= 10.00 Inactive
0.00
0.00
Span (in) = 24.00
4.00
0.00
0.00
Crest El. (ft)
= 2562.50 2563.00
0.00
0.00
No. Barrels = 1
1
0
0
Weir Coeff.
= 3.33 3.33
3.33
3.33
Invert El. (ft) = 2558.00
2561.00
0.00
0.00
Weir Type
= 1 Ciplti
---
---
Length (ft) = 40.00
0.50
0.00
0.00
Multi -Stage
= Yes No
No
No
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
Exfil.(in/hr)
= 0.000 (by Wet area)
Multi -Stage = n/a
Yes
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 (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
2561.00
0.00
0.00 ---
--- 0.00
0.00
--- --- --- --- 0.000
1.00
8,294
2562.00
19.56 oc
0.38 is ---
--- 0.00
0.00
--- --- --- --- 0.384
2.00
17,911
2563.00
19.56 oc
0.57 is ---
--- 11.77
0.00
--- --- --- --- 12.34
3.00
28,342
2564.00
33.11 is
0.19 is ---
--- 32.92 s
0.00
--- --- --- --- 33.11

r
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51
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Hydrograph Return Period ReHyC'drail6w Hydrographs Extension for Autodesk® Civil 3D® 2019 by Autodesk, Inc. v2020
Hyd.
No.
Hydrograph
type
(origin)
Inflow
hyd(s)
Peak Outflow (cfs)
Hydrograph
Description
1-yr
2-yr
3-yr
5-yr
10-yr
25-yr
50-yr
100-yr
1
2
SCS Runoff
Reservoir
------
1
9.681
0.464
-------
-------
-------
-------
-------
-------
21.72
14.49
-------
-------
-------
-------
35.76
29.48
Watershed to Pond
Temp Pool Routing
Proj. file: Longs WET PONDI.gpw
Tuesday, 07 / 2 / 2019

Hydrograph Summary Report Hydraflow Hydrographs Extension for Autodesk0 Civil 3DO 2019 by Autodesk, Inc. v2020
Hyd.
No.
Hydrograph
type
(origin)
Peak
flow
(cfs)
Time
interval
(min)
Time to
Peak
(min)
Hyd.
volume
(cuft)
Inflow
hyd(s)
Maximum
elevation
(ft)
Total
strge used
(cuft)
Hydrograph
Description
1
SCS Runoff
9.681
2
720
22,182
------
------
------
Watershed to Pond
2
Reservoir
0.464
2
814
22,147
1
2562.38
11,985
Temp Pool Routing
Longs WET PONDI.gpw
Return Period: 1 Year
Tuesday, 07 / 2 / 2019

Hydrograph Report
Hydraflow Hydrographs Extension for Autodesk® Civil 3D® 2019 by Autodesk, Inc. v2020
Tuesday, 07 / 2 / 2019
Hyd. No. 1
Watershed to Pond
Hydrograph type
= SCS Runoff
Peak discharge
= 9.681 cfs
Storm frequency
= 1 yrs
Time to peak
= 12.00 hrs
Time interval
= 2 min
Hyd. volume
= 22,182 cuft
Drainage area
= 5.480 ac
Curve number
= 85*
Basin Slope
= 0.0 %
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 7.50 min
Total precip.
= 2.42 in
Distribution
= Type II
Storm duration
= 24 hrs
Shape factor
= 484
Composite (Area/CN) _ [(3.490 x 98) + (1.990 x 61)] / 5.480
Watershed to Pond
Q (cfs)
Hyd. No. 1 -- 1 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
0.00
0 2 4 6 8 10
12 14 16 18 20 22
24 26
Hyd No. 1
Time (hrs)

Hydrograph Report
Hydraflow Hydrographs Extension for Autodesk® Civil 3D® 2019 by Autodesk, Inc. v2020
Tuesday, 07 / 2 / 2019
Hyd. No. 2
Temp Pool Routing
Hydrograph type
= Reservoir
Peak discharge
= 0.464 cfs
Storm frequency
= 1 yrs
Time to peak
= 13.57 hrs
Time interval
= 2 min
Hyd. volume
= 22,147 cuft
Inflow hyd. No.
= 1 - Watershed to Pond
Max. Elevation
= 2562.38 ft
Reservoir name
= TEMPORARY POOL
Max. Storage
= 11,985 cuft
Storage Indication method used.
Q (cfs)
10.00
UR
. I
W
4.00
2.00
0.00
0 4 8
— Hyd No. 2
Temp Pool Routing
Hyd. No. 2 -- 1 Year
12 16 20 24 28 32 36 40 44 48
Hyd No. 1 Total storage used = 11,985 cuft
Q (cfs)
10.00
UR
. I
W
4.00
2.00
0.00
52
Time (hrs)

Pond Report
Hydraflow Hydrographs Extension for Autodesk® Civil 3D® 2019 by Autodesk, Inc. v2020 Tuesday, 07 / 2 / 2019
Pond No. 1 - TEMPORARY POOL
Pond Data
Contours -User-defined contour areas. Conic method used for volume calculation. Begining Elevation = 2561.00 ft
Stage / Storage Table
Stage (ft) Elevation (ft) Contour area (sqft) Incr. Storage (cuft) Total storage (cuft)
0.00 2561.00 7,405 0 0
1.00 2562.00 9,218 8,294 8,294
2.00 2563.00 10,023 9,617 17,911
3.00 2564.00 10,847 10,431 28,342
Culvert / Orifice Structures
Weir Structures
[A]
[B]
[C]
[PrFRSr]
[A]
[B]
[C]
[D]
Rise (in)
= 24.00
4.00
0.00
0.00
Crest Len (ft)
= 10.00
Inactive
0.00
0.00
Span (in)
= 24.00
4.00
0.00
0.00
Crest El. (ft)
= 2562.50
2563.00
0.00
0.00
No. Barrels
= 1
1
0
0
Weir Coeff.
= 3.33
3.33
3.33
3.33
Invert El. (ft)
= 2558.00
2561.00
0.00
0.00
Weir Type
= 1
Ciplti
---
---
Length (ft)
= 40.00
0.50
0.00
0.00
Multi -Stage
= Yes
No
No
No
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
Exfil.(in/hr)
= 0.000 (by Wet area)
Multi -Stage
= n/a
Yes
No
No
TW Elev. (ft)
= 0.00
Stage (ft)
3.00
2.00
M
0.00
0.00 3.00
Total Q
Note: Culvert/Orifice outflows are analyzed under inlet (ic) and outlet (oc) control. Weir risers checked for orifice conditions (ic) and submergence (s).
6.00 9.00
Stage / Discharge
Elev (ft)
2564.00
2563.00
2562.00
2561.00
12.00 15.00 18.00 21.00 24.00 27.00 30.00 33.00 36.00
Discharge (cfs)

Hydrograph Summary Report Hydraflow Hydrographs Extension for Autodesk0 Civil 3DO 2019 by Autodesk, Inc. v2020
Hyd.
No.
Hydrograph
type
(origin)
Peak
flow
(cfs)
Time
interval
(min)
Time to
Peak
(min)
Hyd.
volume
(cuft)
Inflow
hyd(s)
Maximum
elevation
(ft)
Total
strge used
(cuft)
Hydrograph
Description
1
SCS Runoff
21.72
2
718
50,138
------
------
------
Watershed to Pond
2
Reservoir
14.49
2
724
50,103
1
2563.06
18,514
Temp Pool Routing
Longs WET PONDI.gpw
Return Period: 10 Year
Tuesday, 07 / 2 / 2019

Hydrograph Report
Hydraflow Hydrographs Extension for Autodesk® Civil 3D® 2019 by Autodesk, Inc. v2020
Hyd. No. 1
Watershed to Pond
Hydrograph type = SCS Runoff Peak discharge
Storm frequency = 10 yrs Time to peak
Time interval = 2 min Hyd. volume
Drainage area = 5.480 ac Curve number
Basin Slope = 0.0 % Hydraulic length
Tc method = User Time of conc. (Tc)
Total precip. = 4.07 in Distribution
Storm duration = 24 hrs Shape factor
Tuesday, 07 / 2 / 2019
= 21.72 cfs
= 11.97 hrs
= 50,138 cuft
= 85*
= 0 ft
= 7.50 min
= Type II
= 484
Composite (Area/CN) _ [(3.490 x 98) + (1.990 x 61)] / 5.480
Q (cfs)
24.00
Watershed to Pond
Hyd. No. 1 -- 10 Year
Q (cfs)
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 2 4 6 8 10
— Hyd No. 1
12 14 16 18 20 22
0.00
24 26
Time (hrs)

Hydrograph Report
Hydraflow Hydrographs Extension for Autodesk® Civil 3D® 2019 by Autodesk, Inc. v2020
Tuesday, 07 / 2 / 2019
Hyd. No. 2
Temp Pool Routing
Hydrograph type
= Reservoir
Peak discharge
= 14.49 cfs
Storm frequency
= 10 yrs
Time to peak
= 12.07 hrs
Time interval
= 2 min
Hyd. volume
= 50,103 cuft
Inflow hyd. No.
= 1 - Watershed to Pond
Max. Elevation
= 2563.06 ft
Reservoir name
= TEMPORARY POOL
Max. Storage
= 18,514 cuft
Storage Indication method used.
Q (cfs)
24.00
16.00
12.00
0.00
0 4
— Hyd No. 2
Temp Pool Routing
Hyd. No. 2 -- 10 Year
8 12
Hyd No. 1
16 20 24 28
Total storage used = 18,514 cuft
Q (cfs)
24.00
20.00
16.00
12.00
4.00
-1-- 0.00
32
Time (hrs)

Hydrograph Summary Report Hydraflow Hydrographs Extension for Autodesk0 Civil 3DO 2019 by Autodesk, Inc. v2020
Hyd.
No.
Hydrograph
type
(origin)
Peak
flow
(cfs)
Time
interval
(min)
Time to
Peak
(min)
Hyd.
volume
(cuft)
Inflow
hyd(s)
Maximum
elevation
(ft)
Total
strge used
(cuft)
Hydrograph
Description
1
SCS Runoff
35.76
2
718
84,275
------
------
------
Watershed to Pond
2
Reservoir
29.48
2
722
84,240
1
2563.47
22,781
Temp Pool Routing
Longs WET PONDI.gpw
Return Period: 100 Year
Tuesday, 07 / 2 / 2019

Hydrograph Report
Hydraflow Hydrographs Extension for Autodesk® Civil 3D® 2019 by Autodesk, Inc. v2020
Tuesday, 07 / 2 / 2019
Hyd. No. 1
Watershed to Pond
Hydrograph type
= SCS Runoff
Peak discharge
= 35.76 cfs
Storm frequency
= 100 yrs
Time to peak
= 11.97 hrs
Time interval
= 2 min
Hyd. volume
= 84,275 cuft
Drainage area
= 5.480 ac
Curve number
= 85*
Basin Slope
= 0.0 %
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 7.50 min
Total precip.
= 5.93 in
Distribution
= Type II
Storm duration
= 24 hrs
Shape factor
= 484
Composite (Area/CN) = [(3.490 x 98) + (1.990 x 61)] / 5.480
Watershed to Pond
Q (cfs) Hyd. No. 1 -- 100 Year Q (cfs)
40.00 40.00
30.00 30.00
20.00 20.00
10.00 10.00
0.00 0.00
0 2 4 6 8 10 12 14 16 18 20 22 24
— Hyd No. 1 Time (hrs)

Hydrograph Report
Hydraflow Hydrographs Extension for Autodesk® Civil 3D® 2019 by Autodesk, Inc. v2020
Tuesday, 07 / 2 / 2019
Hyd. No. 2
Temp Pool Routing
Hydrograph type
= Reservoir
Peak discharge
= 29.48 cfs
Storm frequency
= 100 yrs
Time to peak
= 12.03 hrs
Time interval
= 2 min
Hyd. volume
= 84,240 cuft
Inflow hyd. No.
= 1 - Watershed to Pond
Max. Elevation
= 2563.47 ft
Reservoir name
= TEMPORARY POOL
Max. Storage
= 22,781 cuft
Storage Indication method used
Q (cfs)
40.00
30.00
10.00
M
4 8
— Hyd No. 2
Temp Pool Routing
Hyd. No. 2 -- 100 Year
12 16 20 24 28
Hyd No. 1 Total storage used = 22,781 cuft
Q (cfs)
40.00
30.00
20.00
10.00
-1-- 0.00
32
Time (hrs)

Hydraflow Rainfall Report
Hydraflow Hydrographs Extension for Autodesk0 Civil 3DO 2019 by Autodesk, Inc. v2020
Return
Period
Intensity -Duration -Frequency Equation Coefficients (FHA)
(Yrs)
B
D
E
(N/A)
1
0.0000
0.0000
0.0000
--------
2
42.8812
10.2000
0.8066
--------
3
0.0000
0.0000
0.0000
--------
5
43.5948
10.2000
0.7473
--------
10
45.8140
10.2000
0.7237
--------
25
50.8262
10.4000
0.7054
--------
50
54.5533
10.4000
0.6939
--------
100
58.7343
10.5000
0.6860
--------
File name: Clyde-NC.IDF
Intensity = B / (Tc + D)^E
Tuesday, 07 / 2 / 2019
Return
Period
Intensity Values (in/hr)
(Yrs)
6 min
10
16
20
26
30
36
40
46
60
66
60
1
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
2
4.78
3.80
3.18
2.74
2.43
2.18
1.98
1.82
1.69
1.57
1.48
1.39
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
5.70
4.61
3.91
3.41
3.05
2.76
2.53
2.34
2.18
2.04
1.92
1.82
10
6.39
5.20
4.43
3.89
3.48
3.16
2.91
2.69
2.51
2.36
2.23
2.11
25
7.39
6.06
5.19
4.57
4.11
3.74
3.44
3.20
2.99
2.82
2.66
2.53
50
8.18
6.73
5.78
5.10
4.59
4.19
3.86
3.59
3.37
3.17
3.00
2.85
100
8.96
7.40
6.37
5.63
5.08
4.64
4.28
3.99
3.74
3.52
3.33
3.17
Tc = time in minutes. Values may exceed 60.
Precip. file name: C:\Users\rhyatt\Desktop\Clyde precip.pcp
Storm
Rainfall Precipitation Table (in)
Distribution
1-yr
2-yr
3-yr
6-yr
10-yr
26-yr
60-yr
100-yr
SCS 24-hour
2.42
2.93
0.00
3.30
4.07
5.79
6.80
5.93
SCS 6-Hr
0.00
1.80
0.00
0.00
0.00
0.00
0.00
0.00
Huff -1st
0.00
1.55
0.00
2.75
0.00
5.38
6.50
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
Huff-4th
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
1.75
0.00
2.80
0.00
5.25
6.00
0.00

7/8/2019 ECMDS 7.0
NORTH
AMERICAN
GREEN
SLOPE ANALYSIS
> > > Wet Pond Side Slopes
North American Green
5401 St. Wendel -Cynthiana Rd.
Poseyville, Indiana 47633
Tel. [phone]
> Fax [phone]
www.nagreen.com
ECMDS v7.0
Country United States
State/Region North Carolina
City Asheville
Annual R Factor 175.00
Adjusted R Factor 350.00
Total Slope Length 10
Protection Type Permanent
Protection Period 24
Beginning Month October
Slope Gradient (1-1:1) 2
Soil Type Clay Loam
K Factor 0.21
Reach 1
Start: Oft End: 10 ft
Vegetation Type: 75-95%
Material ASL bare ASL mat
MSL bare MSL mat Soil Loss SF Remarks Staple / App
Tolerance Rate
SC150BN 0.4 in 0.0 in
1.0 in 0.0 in 0.25 in 8.719 STABLE B
Estb. Veg. 0.1 in 0.0 in
N/A in N/A in 0.03 in >10 STABLE
https://ecmds.com/project/140851/slope-analysis/167027/show 1 /1