SW1190201_Longs REV Routing Report_7/12/2019

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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
0.491
-------
-------
-------
-------
-------
-------
21.72
15.07
-------
-------
-------
-------
35.76
29.64
Watershed to Pond
Temp Pool Routing
Proj. file: Longs WET PONDI.gpw
Friday, 07 / 12 / 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
0.491
2
808
21,719
1
2562.54
13,456
Temp Pool Routing
Longs WET PONDI.gpw
Return Period: 1 Year
Friday, 07 / 12 / 2019

Hydrograph Report
Hydraflow Hydrographs Extension for Autodesk® Civil 3D® 2019 by Autodesk, Inc. v2020
Friday, 07 / 12 / 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
Friday, 07 / 12 / 2019
Hyd. No. 2
Temp Pool Routing
Hydrograph type
= Reservoir
Peak discharge
= 0.491 cfs
Storm frequency
= 1 yrs
Time to peak
= 13.47 hrs
Time interval
= 2 min
Hyd. volume
= 21,719 cuft
Inflow hyd. No.
= 1 - Watershed to Pond
Max. Elevation
= 2562.54 ft
Reservoir name
= TEMPORARY POOL
Max. Storage
= 13,456 cuft
Storage Indication method used
Q (cfs)
10.00
UR
. I
W
4.00
2.00
Temp Pool Routing
Hyd. No. 2 -- 1 Year
10 20 30 40 50 60 70 80 90
Hyd No. 2 Hyd No. 1 Total storage used = 13,456 cuft
Q (cfs)
10.00
01
M11101
4.00
2.00
0.00
100
Time (hrs)

Pond Report
Hydraflow Hydrographs Extension for Autodesk® Civil 3D® 2019 by Autodesk, Inc. v2020 Friday, 07 / 12 / 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
1.75
0.00
0.00
Crest Len (ft)
= 10.00
Inactive
0.00
0.00
Span (in)
= 24.00
1.75
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
15.07
2
724
49,670
1
2563.09
18,807
Temp Pool Routing
Longs WET PONDI.gpw
Return Period: 10 Year
Friday, 07 / 12 / 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
Friday, 07 / 12 / 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
Friday, 07 / 12 / 2019
Hyd. No. 2
Temp Pool Routing
Hydrograph type
= Reservoir
Peak discharge
= 15.07 cfs
Storm frequency
= 10 yrs
Time to peak
= 12.07 hrs
Time interval
= 2 min
Hyd. volume
= 49,670 cuft
Inflow hyd. No.
= 1 - Watershed to Pond
Max. Elevation
= 2563.09 ft
Reservoir name
= TEMPORARY POOL
Max. Storage
= 18,807 cuft
Storage Indication method used.
Temp Pool Routing
Q (cfs) Hyd. No. 2 -- 10 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 2 4 6 8 10 12 14 16 18 20 22 24 26
Time (hrs)
— Hyd No. 2 Hyd No. 1 Total storage used = 18,807 cuft

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
29.64
2
722
83,804
1
2563.49
22,968
Temp Pool Routing
Longs WET PONDI.gpw
Return Period: 100 Year
Friday, 07 / 12 / 2019

Hydrograph Report
Hydraflow Hydrographs Extension for Autodesk® Civil 3D® 2019 by Autodesk, Inc. v2020
Friday, 07 / 12 / 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
Friday, 07 / 12 / 2019
Hyd. No. 2
Temp Pool Routing
Hydrograph type
= Reservoir
Peak discharge
= 29.64 cfs
Storm frequency
= 100 yrs
Time to peak
= 12.03 hrs
Time interval
= 2 min
Hyd. volume
= 83,804 cuft
Inflow hyd. No.
= 1 - Watershed to Pond
Max. Elevation
= 2563.49 ft
Reservoir name
= TEMPORARY POOL
Max. Storage
= 22,968 cuft
Storage Indication method used
Q (cfs)
40.00
30.00
10.00
0.00
0 2 4
— Hyd No. 2
Temp Pool Routing
Hyd. No. 2 -- 100 Year
6 8 10 12 14 16 18 20 22 24
Hyd No. 1 Total storage used = 22,968 cuft
Q (cfs)
40.00
30.00
20.00
10.00
-1-- 0.00
26
Time (hrs)