2011-11-30_PERMIT FILE - C1981008A

• Permit No: C1981008A
• IBM Index Class Name: Permit File
• Doc Date: 11/30/2011
• Doc Name: Collection/Diversion Ditches and Culverts Design Parameters
• Section_Exhibit Name: Section 2.05.3‎(3)‎ Attachment 2.05.3‎(3)‎-1
• Media Type: D
• Archive: Yes

DITCH C27
Channel Design
Project: NUCLA MINE By: B Langenfeld Date: 08/25/11
Location: Ditch C27
Channel Type: Trapezoidal, Equal Side Slopes
1. Channel Geometric Properties
Dimensions: Left Side Slope .... ............................... = 1.00:1
Right Side Slope ... ...............................
= 1.00:1
Base Dimension ..... ..............................:
3.00
2. Design Parameters
Mannings coefficient, n ............ ..............................:
0.033
Bed Slope,s (%) ................... ..............................:
2.040
3. Design details
Discharge ......................... ..............................:
45.00 cfs
Depth of Flow ..................... ..............................:
3.00 feet
Velocity .......................... ..............................:
2.50 fps
Channel Lining .................... ..............................:
Natural Channel
Freeboard......................... ..............................:
0.50 feet
See Map 2.05.3(3) -20 for Ditch C27 As Built.
Revised Aug 2011 JR-60) Attachment 2.05.3(3) -1 -47