2013-11-25_REVISION - M1977306

• Permit No: M1977306
• IBM Index Class Name: REVISION
• Doc Date: 11/25/2013
• Doc Name: JD-9 Mine Permit Amendment
• From: Cotter
• To: DRMS
• Type & Sequence: AM1
• Email Name: THM
• Email Name: GRM
• Media Type: D
• Archive: No

Worksheet for Proposed 30-2 Capacity
Project Description
Flow Element: Triangular Channel
Friction Method: Manning Formula
Solve For. Normal Depth
Input Data
Roughness Coefficient: 0.045 *— tMAK .
Channel Slope: 0,02000— Mi P4 , ft/ft
Left Side Slope: 3.00 ft/ft (H'V)
Right Side Slope: 3.00 ftift (H.V)
Discharge: 0.77 ft' /s
Results
Normal Depth:
0.41 CAANK QL ITPI9 CJ K,
ft
Flow Area:
0.49
ft:
Wetted Perimeter.
2.57
ft
Top Width:
2.44
It
Critical Depth:
0.33
ft
Critical Slope:
0.05754
f fft
Velocity:
1.56
ft/s
Velocity Head:
0.04
ft
Specific Energy:
0.44
It
Froude Number.
0.61
Flow Type:
Subcriticai
GVF Input Data
Downstream Depth: 0.00 ft
Length: 0.00 ft
Number Of Steps: 0
GVF Output Data
Upstream Depth:
0.00
ft
Profile Description:
NIA
Profile Headloss:
0.00
ft
Downstream Velocity:
0.00
Ws
Upstream Velocity:
0.00
ft/s
Normal Depth:
0.41
It
Critical Depth:
0.33
ft
Channel Slope:
0.02000
ft ft
Critical Slope:
0.05754
ft ft