2011-06-29_PERMIT FILE - C1981019A ‎(22)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 6/29/2011
• Doc Name: Permanent Channel Design
• Section_Exhibit Name: Exhibit 07 Item 20 Part E -ST
• Media Type: D
• Archive: Yes

•
•
•
SEDCAD 4 for Windows
r—,,,inhl iawt - ,)l11n P—i- I C,h- -h
Structure Detail;
Structure #1 (Null)
collection pt Sta 73 WTay West
Structure #2 (Riprap Channel)
W Tay W Sta 78 +95 to Sta 73
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Mult. x
Width°(ft)
Ratio Ratio
Depth (ft) % of Depth
(VxD)
12.00 3.0:1 3.0:1 13.0
13.18 ft
Riprap Channel Results:
Simons /OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
Di
Structure #3 �Nu /Jl
collection pt at Sta 65 +97 W Tay West
Structure #4 (Riprap Channel)
Wray W Sta 65 +97 to 56 +50
Trapezoidal Riprap Channel Inputs:
Filename: W Tay West Trib Ditch 10024.sc4 Printed 12 -27 -2010
Exh. 7- 20E -47 Revision Date: 12/31/10
Revision No.: TR -81
w/o Freeboard w/ Freeboard
Design Discharge:
25.13 cfs
Depth:
0.20 ft
Top Width:
13.18 ft
Velocity*:
X- Section Area:
2.48 sq ft
Hydraulic Radius:
0.187 ft
Froude Number *:
Manning's n *:
Dmin:
2.00 in
D50:
6.00 in
Dmax:
7.50 in
Velocity and Manning's n calculations may not apply for this method.
Di
Structure #3 �Nu /Jl
collection pt at Sta 65 +97 W Tay West
Structure #4 (Riprap Channel)
Wray W Sta 65 +97 to 56 +50
Trapezoidal Riprap Channel Inputs:
Filename: W Tay West Trib Ditch 10024.sc4 Printed 12 -27 -2010
Exh. 7- 20E -47 Revision Date: 12/31/10
Revision No.: TR -81