2021-07-28_PERMIT FILE - C1981019A

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 7/28/2021
• 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
7
Combined
Elevation User- Total
(ft) input discharge Discharge
(cfs) g
(cfs)
90.00 0.000 0.000
90.01 0.000 0.000
91.00 0.560 0.560
92.00 0.560 0.560
93.00 0.560 0.560
94.00 0.560 0.560
95.00 0.560 0.560
96.00 0.560 0.560
97.00 0.560 0.560
98.00 0.560 0.560
99.00 0.560 0.560
100.00 0.560 0.560
101.00 0.560 0.560
102.00 0.560 0.560
103.00 0.560 0.560
Structure #16(Riprap Channel
East Taylor Ditch 38+30 to 73+40
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right Freeboard Freeboard Freeboard
Bottom Width (f) Sideslo e Sideslo e Slope
) Depth (f) %of Depth Mult. x
Ratio Ratio
(VxD)
12.00 3.0:1 3.0:1 9.5
Riprap Channel Results:
Simons/OSM Method - Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 41.73 cfs
Depth: 0.33 ft
Top Width: 14.01 ft
Velocity*:
X-Section Area: 4.35 sq ft
Hydraulic Radius: 0.308 ft
Froude Number*:
Manning's n*:
Dmin: 2.00 in
D50: 6.00 in
Dmax: 7.50 in
Filename: East Taylor Pond 25 Yr 24 Hr Post Mine.sc4 Printed 07-19-2021