2011-06-29_PERMIT FILE - C1981019A ‎(16)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 6/29/2011
• Doc Name: Section 21 Sedimentation Pond
• Section_Exhibit Name: Exhibit 07 Item 20 Part B -ST
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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34
Lek Right
Bottom Retardance Freeboard Freeboard Freeboard Limiting
Width (k) Sideslope Sideslope Slope (%) Classes
ti
R
ti
R De th o Mult. x
p (ft) /° of Depth Velocity
s)
(f
a
o -
a
o (VxD) p
12.00 2.0:1 2.0:1 0.5 D, B 1.00 5.0
Vegetated Channel Results:
Stability
Gass D w/o
Freeboard Stability
Class D w/
Freeboard Capacity
Class B w/o
Freeboard Capacity
Class B w/
Freeboard
Design Discharge: 1.64 cfs 1.64 cfs
Depth: 0.31 k 1.31 ft 0.75 k 1.75 k
Top Width: 13.24 ft 17.24 ft 14.99 k 16.99 k
Velocity: 0.42 fps 0.16 fps
X-Section Area: 3.91 sq ft 10.09 sq k
Hydraulic Radius: 0.292 ft 0.658 k
Froude Number: 0.14 0.03
Roughness Coefficient: 0.1107 0.4906
Structure #Zf tegetated Channe/)
SEC. ZZ DITCH 1
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Left Right
Bottom Retardance Freetoard Freeboard Freeboard Limiting
Width ft Sideslope Sideslope Slope (%) Classes
tio Ratio
() R ° Mult. x
Depth (ft) /° of Depth Velocity
s)
(f
a (VxD) p
12.00 2.0:1 2.0:1 28.8 D, B 1.00 3.0
Vegetated Channel Results:
Stability
Class D w/o
Freeboard Stability
Class D w/
Freeboard Capacity
Class B w/o
Freeboard Capacity
Class B w/
Freeboard
Design Discharge: 0.94 cfs 0.94 cfs
Depth: 0.07 ft 1.07 ft 0.18 k 1.18 k
Top Width: 12.29 ft 16.29 ft 12.73 ft 16.73 ft
Velocity: 1.06 fps 0.42 fps
X-Section Area: 0.89 sq k 2.25 sq k
Hydraulic Radius: 0.072 ft 0.176 k
Froude Number: 0.70 0.18
Roughness Coefficient: 0.1279 0.5970
Filename: STSec21Ten24.030807.sc4 Printed 03-09-2007
Exh. 7-20B-38 Revision Date: 3/12/07
Revision No.: PR-02
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