2015-09-09_PERMIT FILE - C1981019A ‎(10)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 9/9/2015
• Doc Name: West Taylor Sedimentation Pond
• Section_Exhibit Name: Exhibit 07 Item 20 Part C -ST
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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Left RightFreeboard Freeboard Freeboard
Bottom
Width (ft) Sideslope Sideslope Slope ( ) Depth (ft) % of Depth Mult. x
(VxD)
12.00 3.0:1 3.0:1 3.6
Riprap Channel Results:
Simons/OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
Structure #14 (Null
Null
Structure #13 (Vegetated Channel
East Trib Reach 2 at Sta16
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Left Right
Bottom Retardance
w/o Freeboard w/ Freeboard
Design Discharge:
68.05 cfs
Depth:
------------------
0.60 ft
Top Width:
15.58 ft
Velocity*:
20.00 3.0:1 3.0:1 1.8 D, B
X -Section Area:
8.23 sq ft
Hydraulic Radius:
0.522 ft
Froude Number*:
Manning's n*:
Dmin:
2.00 in
D50:
6.00 in
Dmax:
7.50 in
Velocity and Manning's n calculations may not apply for this method.
Structure #14 (Null
Null
Structure #13 (Vegetated Channel
East Trib Reach 2 at Sta16
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Left Right
Bottom Retardance
Freeboard
Freeboard Freeboard
Limiting
Sideslope Sideslope Slope (%)
Width (ft) Ratio Ratio Classes
Mult. x
Depth (ft) % of Depth
Velocity
(fps)
Design Discharge: 76.02 cfs
(VxD)
Depth: 0.85 ft
20.00 3.0:1 3.0:1 1.8 D, B
7.0
Vegetated Channel Results:
Stability
Stability Capacity Capacity
Class D w/o
Class D w/ Class B w/o Class B w/
Freeboard
Freeboard Freeboard Freeboard
Design Discharge: 76.02 cfs
76.02 cfs
Depth: 0.85 ft
1.33 ft
Top Width: 25.09 ft
1 27.95 ft
Filename: TR -105r WTayPond PMT 25 24NS.sc4 Printed 06-18-2015
Exh. 7-20C-67 Revision Date: 06/18/2015
Revision No.: TR -105