2012-06-28_PERMIT FILE - M2012032 ‎(21)‎

• Permit No: M2012032
• IBM Index Class Name: PERMIT FILE
• Doc Date: 6/28/2012
• Doc Name: Appendix 6 & 7
• Media Type: D
• Archive: No

Diversion Ditch #3
Channel Design (Non- Erodible)
Channel Type: Trapezoidal, Equal Side Slopes
Dimensions: Left Side Slope 1.50:1
Right Side Slope 1.50:1
Base Dimension: 2.00
Wetted Perimeter: 6.04
Area of Wetted Cross Section: 4.12
Channel Slope: 2.0000
Manning's n of Channel: 0.0305
Discharge: 22.00 cfs
Depth of Flow: 1.12 feet
Velocity: 5.34 fps
Channel Lining: Excavated, No Vegetation
Freeboard: 0.30 feet
Collection Ditch #1
Channel Design
Project: Collection #1 By: B Langenfeld Date: 03/23/12
Location: Revenue Mine Checked: Date:
Channel Type: Triangular, Equal Side Slopes
1. Channel Geometric Properties
Dimensions Left Side Slope .... ............................... = 1.50:1
Right Side Slope ... ............................... = 1.50:1
2. Design Parameters
Mannings coefficient, n ........... ............................... 0.035
Bed Slope,s (%) .................. ............................... 3.000
3. Design details
Discharge ....................... ............................... 10.00 cfs
Depth of Flow ................... ............................... 1.10 feet
Velocity......................... ............................... 5.50 fps
Channel Lining ....... ............................... . Cobbles and shingles
Freeboard ....................... ............................... . 0.30 feet
Revenue Mine August 2012 6 -9