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
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Elevation-Capacity-Discharge Table
Area Capacity Discharge Dewater
Elevation Time
(ac) (ac-ft) (cfs) (hrs)
7,283.00 0.001 0.000 0.000 Top of Sed. Storage
7,283.01 0.001 0.000 0.000
7,284.00 0.059 0.023 0.000
7,285.00 0.159 0.128 0.000
7,286.00 0.182 0.298 0.000
7,287.00 0.213 0.495 0.000 Spillway#1
7,287.04 0.216 0.505 3.062 9.40 Peak Stage
7,288.00 0.247 0.725 71.329
Detailed Discharge Table
Combined
Elevation Emergency Total
(ft) Spillway(cfs) Discharge
(cfs)
7,283.00 0.000 0.000
7,283.01 0.000 0.000
7,284.00 0.000 0.000
7,285.00 0.000 0.000
7,286.00 0.000 0.000
7,287.00 0.000 0.000
7,288.00 71.329 71.329
Structure #8 6R1 rap Channe/�
Taylor Ditch 35+00 to TD-1 Stockpond
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 10.7
Riprap Channel Results:
Simons/OSM Method - Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 3.13 cfs
Depth: 0.05 ft
Top Width: 12.30 ft
Velocity*:
Filename: East Taylor Pond 10 Yr 24 Hr Post Mine.sc4 Printed 07-19-2021