2010-12-08_PERMIT FILE - C1981008A ‎(2)‎

• Permit No: C1981008A
• IBM Index Class Name: Permit File
• Doc Date: 12/8/2010
• Doc Name: Pond 011 Engineering and Hydrologic Design
• Section_Exhibit Name: Section 2.05.3‎(3)‎ Attachment 2.05.3‎(3)‎-22
• Media Type: D
• Archive: Yes

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SEDCAD 4 for Windows
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Structure " egetated Channel)
Mined Land Disturbed (poor)
Trapezoidal Vegetated Channel Inputs:
Material: Grass mixture
Left Right Freeboard Freeboard Freeboard Limiting
Bottom Sideslope Sideslope Slope ( %) R Class nce Mult. x Velocity
Width (ft) Ratio Ratio Classes Depth (ft) % of Depth (fps)
(VxD)
20.0 10.0:1 10.0:1 4.1 D, B 1.00 10.00 5.1
•
Vegetated Channel Results:
Stability
Stability
Capacity
Capacity
Class D w/o
Class D w/
Class B w/o
Class B w/
Freeboard
Freeboard
Freeboard
Freeboard
Design Discharge:
19.67 cfs
19.67 cfs
Depth:
0.38 ft
138 ft
0.71 ft
1.71 ft
Top Width:
27.52 ft
47.52 ft
34.28 ft
54.28 ft
Velocity:
2.20 fps
1.02 fps
X-Section Area:
8.93 sq ft
19.38 sq ft
Hydraulic Radius:
0.324 ft
0.564 ft
Froude Number:
0.68
0.24
Roughness
0.0646
0.2027
Coefficient:
s
Structure " egetated Channel)
Mined Land Disturbed (poor)
Trapezoidal Vegetated Channel Inputs:
Material: Grass mixture
Left Right Freeboard Freeboard Freeboard Limiting
Bottom Sideslope Sideslope Slope ( %) R Class nce Mult. x Velocity
Width (ft) Ratio Ratio Classes Depth (ft) % of Depth (fps)
(VxD)
20.0 10.0:1 10.0:1 4.1 D, B 1.00 10.00 5.1
•
Vegetated Channel Results:
Structure ~Fond
pond
Pond Inputs:
Initial Pool Elev: 5,611.90 ft
Initial Pool: 4.99 ac-ft
•
Filename: 011PON13 10YR post mine Iday pump 15sept09.sc4 Printed 09 -16 -2009
Revised February 2010 (PR06) Attachment 2.05.3(3) -22 -17
Stability
Stability
Capacity
Capacity
Class D w/o
Class D w/
Class B w/o
Class B w/
Freeboard
Freeboard
Freeboard
Freeboard
Design Discharge:
14.37 cis
14.37 cfs
Depth:
0.33 ft
1.33 ft
0.65 ft
1.65 ft
Top Width:
26.60 ft
46.60 ft
33.02 ft
53.02 ft
Velocity:
1.87 fps
0.83 fps
X- Section Area:
7.69 sq ft
17.26 sq ft
Hydraulic Radius:
0.289 ft
0.522 ft
Froude Number:
0.61
0.20
Roughness
0.0704
0.2345
Coefficient:
Structure ~Fond
pond
Pond Inputs:
Initial Pool Elev: 5,611.90 ft
Initial Pool: 4.99 ac-ft
•
Filename: 011PON13 10YR post mine Iday pump 15sept09.sc4 Printed 09 -16 -2009
Revised February 2010 (PR06) Attachment 2.05.3(3) -22 -17