2011-03-25_PERMIT FILE - C1981019A ‎(8)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 3/25/2011
• Doc Name: East Pit Recl Sequencing & Ditch Designs for Prospect Ditch, N Tribut E Pit Ditch & Final E Pit Ditc
• Section_Exhibit Name: Exhibit 07 Item 14 Appendix Exh7-14R
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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16
Combined
Elevation Emergency Total
(ft) Spillway (cfs) Discharge
(cfs)
105.00 2,337.429 2,337.429
Structure #30 (Vegetated Channel)
Channel Tank PD2 to PD 1
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Left Right Retardance
Bottom
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope ( %)
Width (ft)
Ratio Classes
Nlult. x
Depth (ft) % of Depth
Velocity
(fps)
Ratio
(VxD)
0.33 cfs
12.00 2.01 2.01 14.6 D, B
1.00
5.0
Vegetated Channel Results:
Structure #31 (Pond)
Pond PD 1
Pond Inputs:
Initial Pool Elev:
Stability
Class D w/o
Freeboard
Stability
Class D w/
Freeboard
Capacity
Class B w/o
Freeboard
Capacity
Class B w/
Freeboard
Design Discharge:
0.33 cfs
0.00%
0.33 cfs
Depth:
0.06 ft
1.06 ft
0.17 ft
1.17 ft
Top Width:
12.23 ft
16.23 ft
12.66 ft
16.66 ft
Velocity:
0.47 fps
0.16 fps
X- Section Area:
0.69 sq ft
2.03 sq ft
Hydraulic Radius:
0.056 ft
0.160 ft
Froude Number:
0.35
0.07
Roughness Coefficient:
0.1763
1.0379
Structure #31 (Pond)
Pond PD 1
Pond Inputs:
Initial Pool Elev:
90.10 ft
Initial Pool:
0.01 ac -ft
*Sediment Storage:
0.00 ac -ft
Dead Space:
0.00%
*No sediment capacity defined
Emeraencv Sgillwa
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
96.00 20.00 2.00:1 2.00:1 20.00
Filename: ProspectR2 1024 Postmining2010.sc4 Printed 10 -27 -2010
Exh. 7- 14R -28 Revision Date: 10/29/10
Revision No.: TR -87