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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Structure #36 (tegetated Channel)
SEC. 21 COLLECTOR DITCH 4
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Bottom Lek Right Retardance Freeboard Freeboard Freeboard Limiting
Width (ft) Sideslope Sideslope Slope (9'0) Classes
Ratio Ratio De th o Mult. x
p (ft) /o of Depth Velocity
(fps)
(VxD)
12.00 2.0:1 2.0:1 0.5 D, B 1.00 5.0
Vegetated Channel Results:
Stability
pass D w/o
Freeboard Stability
Class D w/
Freeboard Capacity
Class B w/o
Freeboard Capacity
Class a w/
Freeboard
Design Discharge: 5.23 cfs 5.23 cfs
Depth: 0.51 ft 1.51 k 1.06 ft 2.06 ft
Top Width: 14.02 k 18.02 k 16.23 k 20.23 k
Velocity: 0.79 fps 0.35 fps
X-Section Area: 6.58 sq k 14.93 sq ft
Hydraulic Radius: 0.462 ft 0.893 k
Froude Number: 0.20 0.06
Roughness Coefficient: 0.0792 0.2788
Structure #35 (vegetated Channe/I
SEC. ZI COLLECTOR DITCH 3
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Left
Bolcom Right
Retardance
Freeboard Freeboard Freeboard Limitin
9
Sideslope
Width (k) Sideslope Slope ("/o)
Classes
Depth (ft) ^/o of Depth Mult, x Velocity
Ratio Ratio (VxD) (fps)
12.00 2.0:1 2.0:1 0.5 D, B 1.00 I 5.0
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: 7.22 cfs 7.22 cfs
Depth: 0.58 ft 1.58 k 1.17 k 2.17 ft
Top Width: 14.32 ft 18.32 k 16.66 ft 20,66 ft
Filename: STSec21Ten24.030807.sc4 Printed 03-09-2007
Exh. 7-20B-30 Revision Date: 3/12/07
Revision No.: PR-02
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