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
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Structure #4 (Riprap Channel,
West Trib Reach 1
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right Freeboard Freeboard Freeboard
Bottom a Sideslo a Sloe Mult. x
P P P ( )
Width (ft) SidesloRatio Ratio Depth (ft) % of Depth (VxD)
12.00 3.0:1 3.0:1 25.0
Riprap Channel Results:
Simons/OSM Method - Steep Slope Design
w/o Freeboard w/ Freeboard
Combined
Elevation
Emergency
Total
(ft)
Spillway (cfs)
Discharge
Manning's n*:
(cfs)
102.50
249.224
249.224
103.00
344.812
344.812
Structure #4 (Riprap Channel,
West Trib Reach 1
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right Freeboard Freeboard Freeboard
Bottom a Sideslo a Sloe Mult. x
P P P ( )
Width (ft) SidesloRatio Ratio Depth (ft) % of Depth (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.
Structure #3 (Null
Null Above West Taylor Pond
Structure #2 (Pond
West Taylor Sedimentation Pond
Pond Inputs:
Initial Pool Elev: 7,468.00 ft
Filename: West Taylor Trib PMTChannels 10024.sc4
Exh. 7-20E-22
15
Printed 02-27-2015
Revision Date: 02/15/2015
Revision No.: TR -105
w/o Freeboard w/ Freeboard
Design Discharge:
Depth:
Top Width:
Velocity*:
90.22 cfs
0.36 ft
14.14 ft
X -Section Area:
4.65 sq ft
Hydraulic Radius:
0.326 ft
Froude Number*:
Manning's n*:
Dmin:
6.00 in
D50:
Dmax:
18.00 in
22.50 in
Velocity and Manning's n calculations may not apply for this method.
Structure #3 (Null
Null Above West Taylor Pond
Structure #2 (Pond
West Taylor Sedimentation Pond
Pond Inputs:
Initial Pool Elev: 7,468.00 ft
Filename: West Taylor Trib PMTChannels 10024.sc4
Exh. 7-20E-22
15
Printed 02-27-2015
Revision Date: 02/15/2015
Revision No.: TR -105