PERMFILE120564

• Permit No: C1981020A
• IBM Index Class Name: Permit File
• Doc Date: 11/4/2002
• Section_Exhibit Name: Appendix M‎(i)‎ to M‎(viii)‎
• Media Type: D
• Archive: Yes

SEDCAD 4.0
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Emergency Spillway -Gob Pile Pond - 25 Year Event
Material: Riprap
Trapezoidal Channel
Left Right
Bottom Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%)
Width (ft) Mult. x
Depth (ft) % of Depth
Ratio Ratio (VxD)
4.00 1.5:1 1.5:1 5.0 1.00
Simons/OSM Method -Steep Slope Design
lI 1'
u
i•
w/o Freeboard w/ Freeboard
Design Discharge: 7.55 cfs
Depth: 0.25 ft 1.25 R
Top Width: 4.76 ft 7.76 R
Velocity*:
X-Section Area: 1.11 sq ft
Hydraulic Radius: 0.225
Froude Number*:
Manning's n*:
Dmin: 2.00 in
D60: 6.00 in
Dmax: 7.50 in
Velocity and Manning's n calculations may not apply for this method.
SEDCAD Utility Run
M"
M(vii)-5
Printed 09-04-2002
9/02