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
/`...,,..i..4,♦ 1004 On1n D-1- I Q-k,."k
Simons/OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
Structure #7 (Null
Null
Structure #6 (Vegetated Channel)
West Trib Reach 2 at Sta1S
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Left Ri htFreeboard
Bottom Retardance Freeboard Freeboard
w/o Freeboard w/ Freeboard
Design Discharge:
100.32 cfs
Depth:
0.71 ft
Top Width:
16.25 ft
Velocity*:
Freeboard
X -Section Area:
10.02 sq ft
Hydraulic Radius:
0.608 ft
Froude Number*:
102.40 cfs
Manning's n*:
Depth:
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 #7 (Null
Null
Structure #6 (Vegetated Channel)
West Trib Reach 2 at Sta1S
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Left Ri htFreeboard
Bottom Retardance Freeboard Freeboard
Limiting
Sideslope Sideslope Slope (%) Mult. x
Width (ft) Ratio Ratio Classes Depth (ft) % of Depth
Velocity
(fps)
(VxD)
Class D w/o
20.00 3.0:1 3.0:1 0.6 D, B
7.0
Vegetated Channel Results:
Filename: West Taylor Trib PMTChannels 10024.sc4
Exh. 7-20E-19
12
Printed 02-27-2015
Revision Date: 02/15/2015
Revision No.: TR -105
Stability
Stability
Capacity Capacity
Class D w/o
Class D w/
Class B w/o Class B w/
Freeboard
Freeboard
Freeboard Freeboard
Design Discharge:
102.40 cfs
102.40 cfs
2.05 ft
Depth:
1.34 ft
32.28 ft
Top Width: 28.05 ft
Velocity:
3.18 fps
1.91 fps
X -Section Area:
32.24 sq ft
53.48 sq ft
Hydraulic Radius:
1.132 ft
1.624 ft
Froude Number:
0.52
0.26
Roughness Coefficient:
0.0394
0.0832
Filename: West Taylor Trib PMTChannels 10024.sc4
Exh. 7-20E-19
12
Printed 02-27-2015
Revision Date: 02/15/2015
Revision No.: TR -105