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 Weir Throat Sect 1.0% Trap. Channel
Project Description
Flow Element: Trapezoidal Channel
Friction Method: Manning Formula
Solve For Normal Depth
Input Data
Roughness Coefficient:
0.045 * MAX .
It
Channel Slope:
0.01000 -4 - A104.
fttft
Left Side Slope:
3.00
It/ft (H:V)
Right Side Slope:
3.00
fflft (H:V)
Bottom Width:
4.00
It
Discharge:
3.14
it' /s
Results
0.25
ft
Normal Depth:
0.40 eE--. t
It
Flow Area:
2.05
ft2
Wetted Perimeter:
6.50
ft
Top Width:
6.37
ft
Critical Depth:
0.25
It
Critical Slope:
0.05013
ft/ft
Velocity:
1.53
ftts
Velocity Head:
0.04
It
Specific Energy:
0.43
It
Froude Number,
0.48
Flow Type:
Subcritical
GVF Input Data
Downstream Depth:
000
It
Length:
0.00
It
Number Of Steps:
0
GVF Output Data
Upstream Depth.
0.00
It
Profile Description:
NIA
Headloss:
0.00
ft
Downstream Velocity:
0.00
fVs
Upstream Velocity:
0.00
fUs
Normal Depth:
0.40
It
Critical Depth.
0.25
ft
Channel Slope:
0.01000
ftfft