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
Left Right
Bottom
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Width (ft)
Mult. x
Depth (ft) % of Depth
Ratio Ratio
(VxD)
12.00 3.0:1 3.0:1 7.9
14.66 ft
Riprap Channel Results:
Simons /OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
0 Structure #21 (Null1
Collection pt at Sta 62
Structure #20 (R/ "rap Channel)
Chnl Sta 62 down to Stk pnd 4
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
w/o Freeboard w/ Freeboard
Design Discharge:
53.89 cfs
Depth:
0.44 ft
Top Width:
14.66 ft
Velocity*:
X- Section Area:
5.92 sq ft
Hydraulic Radius:
0.400 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.
0 Structure #21 (Null1
Collection pt at Sta 62
Structure #20 (R/ "rap Channel)
Chnl Sta 62 down to Stk pnd 4
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope Width (ft) p p ( )
Ratio Ratio
Depth ft % of Depth Mult. x
p () p (VxD)
12.00 3.0:1 3.0:1 3.2
0.60 ft
Riprap Channel Results:
Simons /OSM Method - Steep Slope Design
Filename: W Tay East Trib Ditch 10024.sc4
Printed 12 -27 -2010
Exh. 7- 20E -30 Revision Date: 12/31/10
Revision No.: TR -81
w/o Freeboard w/ Freeboard
Design Discharge:
68.97 cfs
Depth:
0.60 ft
Top Width:
15.62 ft
Velocity*:
X- Section Area:
8.32 sq ft
Filename: W Tay East Trib Ditch 10024.sc4
Printed 12 -27 -2010
Exh. 7- 20E -30 Revision Date: 12/31/10
Revision No.: TR -81