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
Structure #6 (Riprap Channel)
G
Structure Detail;
Midl large subwshed reporting point Trib
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%)
Width (ft) Ratio Ratio
Depth (ft) % of Depth Mult. x (VxD)
12.00 2.0:1 2.0:1 33.0
1.00
Riprap Channel Results:
Simons/OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
J
Filename: TR105 Trib G Ditch 10024.sc4 Printed 02-05-2015
Exh. 7-20E-34 Revision Date: 02/15/2015
Revision No.: TR -105
w/o Freeboard w/ Freeboard
Design Discharge:
32.18 cfs
Depth:
0.09 ft 1.09 ft
Top Width:
12.35 ft 16.35 ft
Velocity*:
X -Section Area:
1.07 sq ft
Hydraulic Radius:
0.086 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.
J
Filename: TR105 Trib G Ditch 10024.sc4 Printed 02-05-2015
Exh. 7-20E-34 Revision Date: 02/15/2015
Revision No.: TR -105