2010-12-08_PERMIT FILE - C1981008A ‎(6)‎

• Permit No: C1981008A
• IBM Index Class Name: Permit File
• Doc Date: 12/8/2010
• 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 C28
Channel Type: Trapezoidal, Equal Side Slopes
Dimensions: Left Side Slope 1.00:1
Right Side Slope 1.00:1
Base Dimension: 2.00
Wetted Perimeter: 2.57
Area of Wetted Cross Section: 0.44
Channel Slope: 3.6000
Manning's n of Channel: 0.0425
Discharge: 0.90 cfs
Depth of Flow: 0.20 feet
Velocity: 2.05 fps
Freeboard: 0.30 feet
DITCH C29
Time of Concentration (SCS Method)
Curve Number: 82
Length of Flow: 683.20 ft
Average Land Slope: 0.73 %
Time of Concentration: 0.429 hrs, 25.7 mins
Revised August 2009(PB06) Attachment 2.05.3(3) -1 -55