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

•
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SEDCAD 4 for Windows
Structure Detail;
Structure #25 (Null
Collection pt at hdwtr W Tay East Trib
Structure #24 ( R/prap Chann %�
Chnl hdwtr to Sta 76
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right
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 15.0
13.62 ft
Riprap Channel Results:
Simons /OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
Structure #23 (Null
Collection point Sta 76
Structure #22 (R / "rap Channel1
Chnl Sta 76 down to Sta 62
Trapezoidal Riprap Channel Inputs:
Material: Riprap
9
Filename: W Tay East Trib Ditch 10024.sc4 Printed 12 -27 -2010
Exh. 7- 20E -29 Revision Date: 12/31/10
Revision No.: TR -81
w/o Freeboard w/ Freeboard
Design Discharge:
39.50 cfs
Depth:
0.27 ft
Top Width:
13.62 ft
Velocity*:
X- Section Area:
3.46 sq ft
Hydraulic Radius:
0.252 ft
Froude Number *:
Manning's n *:
Dmin:
3.00 in
D50:
9.00 in
Dmax:
11.25 in
Velocity and Manning's n calculations may not apply for this method.
Structure #23 (Null
Collection point Sta 76
Structure #22 (R / "rap Channel1
Chnl Sta 76 down to Sta 62
Trapezoidal Riprap Channel Inputs:
Material: Riprap
9
Filename: W Tay East Trib Ditch 10024.sc4 Printed 12 -27 -2010
Exh. 7- 20E -29 Revision Date: 12/31/10
Revision No.: TR -81