2016-09-19_PERMIT FILE - C1996084 ‎(3)‎

• Permit No: C1996084
• IBM Index Class Name: Permit File
• Doc Date: 9/19/2016
• Section_Exhibit Name: Exhibit 15-9b Fill 7 Sediment Control Pond 007a
• Media Type: D
• Archive: No

•
SEDCAD 4 for Windows
Copyright 1998 Pamela J Schwab
Civil Software Design
Bottom Left Right Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%) Mult. x
Width (ft)} Ratio Ratio Depth (ft) /o p of Depth ° (VxD)
3.00 3.0:1 3.0:1 23.6 0.30
Riprap Channel Results:
D�
M
PADER Method - Steep Slope Design
• Structure #5 (Vegetated Channel)
drainage: D72 + D74
Trapezoidal Vegetated Channel Inputs:
Material: Bermuda grass
•
Left Right
Bottom Retardance
w/o Freeboard w/ Freeboard
Design Discharge:
40.12 cfs
Depth:
0.81 ft 1.11 ft
Top Width:
7.87 ft 9.67 ft
Velocity:
9.09 fps
X -Section Area:
4.42 sq ft
Hydraulic Radius:
0.543
Froude Number:
2.14
Manning's n:
0.0530
Dmin:
5.00 in
050:
9.00 in
Dmax:
12.00 in
• Structure #5 (Vegetated Channel)
drainage: D72 + D74
Trapezoidal Vegetated Channel Inputs:
Material: Bermuda grass
•
Left Right
Bottom Retardance
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope (%)
Width (ft) Classes
Mult. x
Depth (ft) % of Depth
Velocity
Ratio Ratio
(VxD)
(fps)
10.00 3.0:1 3.0:1 3.2 D, B
0.30
8.0
Vegetated Channel Results:
10
Filename: Rev1D0aPond007.sc4 Printed 01-07-2002
Stability
Class D w/o
Freeboard
Stability
Class D w/
Freeboard
Capacity
Class B w/o
Freeboard
Capacity
Class B w/
Freeboard
Design Discharge:
88.33 cfs
88.33 cfs
Depth:
1.02 ft
1.32 ft
1.47 ft
1.77 ft
Top Width:
16.12 ft
17.92 ft
18.81 ft
20.61 ft
Velocity:
6.63 fps
4.17 fps
X -Section Area:
13.32 sq ft
21.16 sq ft
Hydraulic Radius:
0,810
1.097
Froude Number:
1.29
0.69
10
Filename: Rev1D0aPond007.sc4 Printed 01-07-2002