2002-07-05_PERMIT FILE - C1996084A ‎(3)‎

• Permit No: C1996084A
• IBM Index Class Name: Permit File
• Doc Date: 7/5/2002
• Section_Exhibit Name: Exhibit 15-9b Fill 7 Sediment Control Pond 007a
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
Copyright 1998 Pamela J Schwab
Civil Software Design
10
•
Bottom Lek Right Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%)
Width (R)} Ratio Ratio Mult. x
Depth (R) /a of De th
° p
(VxD)
3.00 3.0:1 3.0:1 ~ 23.6 0.30
•~i
Riprap Channel Results:
PADER Method -Steep Slope Design
D~
w/o Freeboard w/ Freeboard
Design Discharge: 40.12 ds
Depth: 0.81 R 1.11 R
Top Width: 7.87 ft 9.67 ft
Velocity: 9.09 fps
X-Section Area: 4.42 sq R
Hydraulic Radius: 0.543
Froude Number: 2.14
Manning's n: 0.0530
Dmin: 5.00 in
D50: 9.00 in
Dmax: 12.00 in
• Structure #5 (Vegetated Channel)
drainage: D72 + D74
Trapezoidal Vegetated Channel Inputs:
Material: Bermuda grass

LeR Right
Bottom
Retardance Freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope (%)
Width (ft)
Classes Mult. x
Depth (R) % 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:
•
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 R 1.32 R 1.47 R 1.77 R
Top Width: 16.12 R 17.92 R 18.81 R 20.61 R
Velocity: 6.63 fps 4.17 fps
X-Section Area: 13.32 sq R 21.16 sq R
Hydraulic Radius: 0,810 1.097
Froude Number: 1.29 0.69
Filename: Rev100aPOnd007.srA Printed 01-07-2002