SW1210902_Design Calculations (SCM)_20220215

Pond Report
Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020
Thursday, 01 / 27 / 2022
Pond No. 2 - Sand Filter
Pond Data
Pond storage is based on user -defined values.
Stage / Storage Table
Stage (ft) Elevation (ft) Contour area (sqft)
Incr. Storage (cuft)
Total storage (cuft)
0.00 2058.00 n/a
0
0
1.00 2059.00 n/a
1,820
1,820
2.00 2060.00 n/a
1,820
3,640
3.00 2061.00 n/a
4,086
7,726
4.00 2062.00 n/a
4,666
12,392
5.00 2063.00 n/a
5,382
17,774
6.00 2064.00 n/a
7,119
24,894
7.00 2065.00 n/a
8,379
33,273
Culvert / Orifice Structures
[A] [B] [C] [PrFRsr]
Weir Structures
[A] [B] [C] [D]
Rise (in)
= 24.00
4.00 0.00
0.00
Crest Len (ft)
= 10.00
12.00
0.00
0.00
Span (in)
= 24.00
4.00 0.00
0.00
Crest El. (ft)
= 2062.50
2064.50
0.00
0.00
No. Barrels
= 1
1 0
0
Weir Coeff.
= 3.33
3.33
3.33
3.33
Invert El. (ft) = 2053.28
2056.50 0.00
0.00
Weir Type
= 1
Ciplti
---
---
Length (ft)
= 64.00
5.00 0.00
0.00
Multi -Stage
= Yes
No
No
No
Slope (%)
= 2.00
0.50 0.00
n/a
N-Value
= .013
.010 .013
n/a
Orifice Coeff. = 0.70
0.80 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 2058.00
0.00
0.00 ---
--- 0.00
0.00
---
---
--- ---
0.000
1.00
1,820 2059.00
33.33 oc
0.56 is ---
--- 0.00
0.00
---
---
--- ---
0.560
2.00
3,640 2060.00
33.33 oc
0.79 is ---
--- 0.00
0.00
---
---
--- ---
0.792
3.00
7,726 2061.00
33.33 oc
0.97 is ---
--- 0.00
0.00
---
---
--- ---
0.970
4.00
12,392 2062.00
33.33 oc
1.12 is ---
--- 0.00
0.00
---
---
--- ---
1.120
5.00
17,774 2063.00
33.33 oc
1.25 is ---
--- 11.77
0.00
---
---
--- ---
13.03
6.00
24,894 2064.00
44.61 oc
0.94 is ---
--- 41.16
is 0.00
---
---
--- ---
42.10
7.00
33,273 2065.00
54.83 oc
0.23 is ---
--- 54.59
s 14.13
---
---
--- ---
68.95

Pond No. 2 - Sand Filter
Hydraflow Hydrographs Extension for Autodesk@ Civil MOD by Autodesk, Inc. v2020
8.00
7.00
6.00
5.00
4.00
3.00
2.00
1.00
0.00
Stage (ft)
Front View
NTS - Looking Downstream
Top of pond
Elev. 2065.00
- Llev.
t.0 in @ 2.00%
2053.28
100-yr
25-yr
10-yr
1-yr
Inflow hydrograph = 14. Combine - Sand Filter
Project: Hydraflow.gpw Thursday, 01 / 27 / 2022