2010-03-15_PERMIT FILE - C1981035A ‎(9)‎

• Permit No: C1981035A
• IBM Index Class Name: Permit File
• Doc Date: 3/15/2010
• Doc Name: Appendix
• Section_Exhibit Name: KII Appendix 11‎(4)‎ East and West Clean Water Ditch Verification
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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5
Structure Detail:
Structure #1_ (R/�p Channe/J
West Clean Water Ditch
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Fight
Freeboard Freeboard Freeboard
Bottom
Width (ft)) Sideslope Sideslope Slope ( %)
Ratio Ratio
( ft) % of Depth Mult x (VxD)
3.00 2.0:1 2.0:1 10.0
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
•
Structure #2 [ R/prap Channel)
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
30.68 cis
Depth:
0.93 ft 1.23 ft
Top Width:
6.72 ft 7.92 ft
Velodty:
6.80 fps
X- Section Area:
4.51 sq ft
Hydraulic Radius:
0.631
Froude Number:
1.46
Manning's n:
0.0510
Dmin:
3.00 in
D50:
6.00 in
Dmax:
9.00 in
Structure #2 [ R/prap Channel)
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Width (ft)) Sideslope Sideslope Slope
Ratio Ratio
s (ft) % of Depth Mutt x (VxD)
(
3.00 2.0:1 2.0:1 3.7
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
•
Filename: West Clean Water Ditch.sc4
Printed 04- 08-2009