2017-02-03_PERMIT FILE - C1980004 ‎(18)‎

• Permit No: C1980004
• IBM Index Class Name: Permit File
• Doc Date: 2/3/2017
• Section_Exhibit Name: Appendix M Hydrologic Calculations
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
f'—,, L,ht 9002 -gm7 V-1. i c.lw.eti
Structure Detail:
Structure #12 (Erodible Channel,
DITCH 1
Trapezoidal Erodible Channel Inputs:
Material: Shales and hardpans
Sottnm Left Right
Freeboard Freeboard Freeboard
Umiting
Width (ft) Sideslope Sideslope Slope (%) Mannings n
IVIA x
Velocity
Ratio Ratio
Depth (ft) Mo of Depth (VxD)
(fps)
3.00 1.5:1 1.5:1 10.0 0.0250
1.00
6.0
Erodible Channel Results:
Filename: SEDIMENT POND—10=4 Printed 05-16-2006
TR -16 27 05/08
w/o Freeboard w/ Freeboard
Design Discharge:
1.53 cis
Depth:
0.11 ft 1.11 ft
Top Width:
3.34 ft 6.34 ft
Velocity:
4.22 fps
X -Section Area:
0.36 sq ft
Hydraulic Radius:
0.106 ft
Froude Number:
2.26
Filename: SEDIMENT POND—10=4 Printed 05-16-2006
TR -16 27 05/08