2021-04-05_PERMIT FILE - C1981019A ‎(5)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 4/5/2021
• Doc Name: East Taylor Pond & Permanent Channels
• Section_Exhibit Name: Exhibit 07 Item 14 Appendix Exh7-14ET
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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16
w/o Freeboard w/ Freeboard
Hydraulic Radius: 0.172 ft
Froude Number*:
Manning's n*:
Dmin: 2.00 in
D50: 6.00 in
Dmax: 7.50 in
Velocity and Manning's n calculations may not apply for this method.
Structure #7(Nulls
Null at Confluence of Taylor/Taylor Tr/b
Structure #6(R/prap Channe/�
Taylor Ditch 10+00 to 35+00
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right Freeboard Freeboard Freeboard
Bottom a Sideslo a Slope Width(ft) Sideslo p p ( ) Depth (ft) %of Depth Mult.x
Ratio Ratio
(VxD)
12.00 3.0:1 3.0:1 7.1
Riprap Channel Results:
Simons/OSM Method - Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 23.51 cfs
Depth: 0.24 ft
Top Width: 13.44 ft
Velocity*:
X-Section Area: 3.05 sq ft
Hydraulic Radius: 0.225 ft
Froude Number*:
Manning's n*:
Dmin: 2.00 in
D50: 6.00 in
Dmax: 7.50 in
Velocity and Manning's n calculations may not apply for this method.
Structure #5(Nulls
Null At Confluence of Taylor/East Taylor Null at Confluence Taylor/East Taylor
Structure #4 (Riprap Channe/�
Filename: East Taylor Pond 25 Yr 24 Hr Post Mine.sc4 Printed 03-24-2021