2001-12-11_PERMIT FILE - C1996084 ‎(10)‎

• Permit No: C1996084
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: Exhibit 15-16 Mine Area P2 SEDIMENT CONTROL POND 2-2
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
Copyright 1998 Pamela J Schwab
Civil Software Design
3
C J
w/o Freeboard w/ Freeboard
Design Discharge: 6.66 cfs
Depth: 1.02 R 1.32 R
Top Width: 5.06 R 6.58 h
Velocity: 2.58 fps
X-Section Area: 2.58 sq R
Hydraulic Radius: 0.472
Froude Number: 0.64
Structure #2 (Riprp Channel1
S-2
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left 0.ight
Bottom Freeboard Freeboard Freeboard
sideslope sideslope slope (%)
Width (R)} Mult. x
Ratio Ratio Depth (ft) % of Depth (VxD)
12.00 3.0:1 3.0:1 9.4 0.30
•
Riprap Channel Results:
Simons/OSM Method -Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
w/o Freeboard w/ Freeboard
Design Discharge: 8.16 ufis
Depth: 0.09 R 0.39 R ~,
Top Width: 12.57 R 14.37 ft
Velocity':
X-Section Area: 1.16 sq R
Hydraulic Radius: 0.092
Froude Number':
Manning's n":
Dmin: 1.00 in
D60: 3.00 in
Dmax: 3.75 in
Structure #3 (Ripr~ Channel
S-3
. Trapezoidal Riprap Channel Inputs:
Material: Riprap
Filename: Ditches Pond 2-1&2 west.sc4 Printed 04-19-2001