2015-09-09_PERMIT FILE - C1981019A ‎(11)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 9/9/2015
• Doc Name: Permanent Channel Design
• Section_Exhibit Name: Exhibit 07 Item 20 Part E -ST
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
(`nn.minh 1000 1)/F1/1 D -ie I
Structure #10 (Riprap Channel
West Trib Reach 4 at Sta70
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left RightFreeboard Freeboard Freeboard
Bottom Sideslope Sideslope Slope (%) Mult. x
Width (ft) Ratio Ratio Depth (ft) % of Depth (VxD)
12.00 3.0:1 3.0:1 18.7
Riprap Channel Results:
Simons/OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
Structure #9 (Null
Null
Structure #8 (RlDraD Channel)
West Trib Reach 3 at Sta40
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
w/o Freeboard w/ Freeboard
Design Discharge:
56.80 cfs
Depth:
0.32 ft
Top Width:
13.93 ft
Velocity*:
X -Section Area:
4.17 sq ft
Hydraulic Radius:
0.297 ft
Froude Number*:
Manning's n*:
Dmin:
4.00 in
D50:
12.00 in
Dmax:
15.00 in
Velocity and Manning's n calculations may not apply for this method.
Structure #9 (Null
Null
Structure #8 (RlDraD Channel)
West Trib Reach 3 at Sta40
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope Width (ft) p p pe ( )
Depth (ft) % of Depth Mult. x
p
Ratio Ratio
(VxD)
12.00 3.0:1 3.0:1 7.8
Riprap Channel Results:
Filename: West Taylor Trib PMTChannels 10024.sc4
Printed 02-27-2015
Exh. 7-20E-18 Revision Date: 02/15/2015
Revision No.: TR -105