SW6220501_Design Calculations (Swales)_20220825

Designator
DA
Imp Ar
Grass Ar
C
g
SLOPE
Vallow
Vactual
F Depth
X SLOPE
BOTTOM
Manning
LINER
110YR
SF
Ditch #1 PT 1
0.37
14505
1612
0.90
2.60
4.10%
5.00
2.26
0.37
3:1
2
0.055
None
7.8
1.9
Ditch #1 PT 2
0.37
14505
1612
0.90
2.60
0.60%
5.00
1.16
0.59
3:1
2
0.053
None
7.8
7.9
Ditch #2
2.21
33694
62574
0.35
6.03
0.78%
5.00
1.65
0.84
4:1
2
0.047
S75
7.8
3.81
Ditch #3
2.42
52708
52708
0.50
9.44
0.82%
5.00
2.45
1.16
3:1
2
0.04
S75
7.8
2.61
Swale #4
0.29
5053
7579
0.40
0.90
1.27%
5.00
0.73
0.15
52:1
0
0.04
None
7.8
3.97
Swale #5
0.56
15856
8538
0.65
2.84
1.00%
5.00
0.92
0.24
16:1
0
0.04
None
7.8
3.01
Swale #6
0.12
2293
2803
0.45
0.41
1.32%
5.00
0.60
0.11
54:1
0
0.04
None
7.8
5.28