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,.n nbH 9008 _W)1n D-1, I Q,K--K
10
Elevation
(ft)
Emergency
Spillway (cfs)
Combined
Total
Discharge
(cfs)
97.50
98.00
0.000
0.000
0.000
0.000
98.50
0.000
0.000
99.00
0.000
0.000
99.50
0.000
0.000
100.00
0.000
0.000
100.50
3.625
3.625
101.00
48.400
48.400
101.50
99.605
99.605
102.00
102.50
167.398
249.224
167.398
249.224
103.00
344.812
344.812
Structure #11 (Riprap Channel
East Trib Reach 1
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right Freeboard Freeboard Freeboard
Bottom Sideslope Sideslope Slope (%)
Width (ft) Ratio Ratio Depth (ft) % of Depth Mult. x
(VxD)
12.00 3.0:1 3.0:1 25.0
Riprap Channel Results:
Simons/OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
Filename: West Taylor Trib PMTChannels 10024.sc4 Printed 02-27-2015
Exh. 7-20E-17 Revision Date: 02/15/2015
Revision No.: TR -105
w/o Freeboard w/ Freeboard
Design Discharge:
105.89 cfs
Depth:
0.40 ft
Top Width:
14.40 ft
Velocity*:
X -Section Area:
5.28 sq ft
Hydraulic Radius:
0.364 ft
Froude Number*:
Manning's n*:
Dmin:
6.00 in
D50:
18.00 in
Dmax:
22.50 in
Velocity and Manning's n calculations may not apply for this method.
Filename: West Taylor Trib PMTChannels 10024.sc4 Printed 02-27-2015
Exh. 7-20E-17 Revision Date: 02/15/2015
Revision No.: TR -105