SW4201201_Ditch Stability Analysis - ECMDS 7.0 (002)_20210122

North American Green
5401 St. Wendel-Cynthiana Rd.
Poseyville, Indiana 47633
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www.nagreen.com
ECMDS v7.0
CHANNEL ANALYSIS
> > > Worst Case Ditch - Vegetated
Name Worst Case Ditch -
Vegetated
Discharge 5
Channel Slope 0.085
Channel Bottom Width 0
Left Side Slope 4
Right Side Slope 4
Low Flow Liner
Retardence Class C 6-12 in
Vegetation Type Bunch Type
Vegetation Density Very Good 80-95%
Soil Type Sandy Loam (GM)
Unreinforced Vegetation
Phase Reach Discharge Velocity Normal
Depth Mannings N Permissible
Shear Stress
Calculated
Shear Stress
Safety
Factor Remarks Staple
Pattern
Unreinforced
Vegetation
Straight 5 cfs 5.45 ft/s 0.48 ft 0.03 4 lbs/ft2 2.54 lbs/ft2 1.58 STABLE --
Underlying
Substrate
Straight 5 cfs 5.45 ft/s 0.48 ft 0.03 0.75 lbs/ft2 1.23 lbs/ft2 0.61 UNSTABLE --