PERMFILE113314

• Permit No: C1981008A
• IBM Index Class Name: Permit File
• Doc Date: 7/30/2007
• 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

• 5. Compute la/P ....................... = 0.1880
6. Unit peak discharge, qu......csm/in = 494.79
7. Runoff,Q .........................in = 1.1288
8. Pond & swap adjustment factor,...Fp = 0.97
9. Peak Discharge,gp ...............cfs = 26.9194
DITCH C17
Channel Type: Trapezoidal, Equal Side Slopes
Dimensions: Left Side Slope 2.00:1
Right Side Slope 2.00:1
Base Dimension: 5.00
• Wetted Perimeter: 9.73
Area of Wetted Cross Section: 7.52
Discharge: 26.90 cfs
Depth of Flow: 1.06 feet
Velocity: 3.58 fps
Channel Lining: GRASS RECLAIMED
Freeboard: 0.30 feet
DITCH C18 (FORMERLY EAST DITCH 007)
Time of Concentration (SCS Method)
• REVISED MARCH2O06 Attachment 2.05.3(3)-1-35