SW6210506_Design Calculations Ditches_20210528

1728 — Cotswold
Ditch #1
0 North American Green ECIMIDSVersion 4.3 -Channel Protection Design, Output Form
File Specifications Options Help
IENGLISH. IUSER I F74/ —277 2 0-2-1 0 8: 5 8 A A
Discharge
Peak Flow
Velocity (fps)
I
Area (3q.ft)
I
aullr
(cfs)
Period (hrs)
RHyl
ad�' t)
DN,,,rthnal
e (ft)
3.0
0.1
1 2.51
1 1.19
0.26
0.49
Unreinforced
1271
jor
LBottom
4.0 Width = 0.50 ft 4.0
Not to Scale
Reach
Matting Type
Stability Analysis
Vegetation Characteristics
Permissible
Shear Stress
(Psf
Calculated
Shear Stress
(PSO
Safety Factor
Remarks
Staple Pattern
7
lass
I Type
JlDensit�
Straight
Unreinforced
Vegetation
D
I Bunch
150-75%
3.33
0.82
4.06
STABLE
S oil
Sandy Loam
0.035
0.075
0.47
UNSTABLE
0 North American Green ECMDS Version 4.3 - Channel Protection Design, Output Form
File Specifications Glations Help
JENGLISH. IQUICK I F4727-2021
AM
L__ Bottom 1
4.0 Width = 0.50 ft 4.0
Not to Scale
Reach
Matting Type
Stability Analysis
Vegetation Characteristics
Permissible
Shear Stress
(Psf)
Calculated
Shear Stress
(PSO
Safety Factor
Remarks
Staple Pattern
Phase
Class
Type
Density
Straight
S75
Un,7gehtjd
1.55
0.93
1.67
STABLE
Staple D

Ditch #2
0 North American Green ECMDS Version 4.3 - Channel Protection Design, Output Form
File Specifications Options Help
IENGLISH. 1USER 1 47/27/20-21 r0-90GAM1
Discharge
Peak Flow
Velocity (fps)
Area (sq. It)
H
Norma
(cfs)
Period (hrs)
�.au(I�c
R,,d t
tT
'e, h t'
[13.9
0.1
2.70
5.14
U nreinforced Vegetation (n=O. 040)
L-- Bottom 1
3.0 Width = 1.00 ft 3.0
INot to Scale
Reach
Matting Type
Stability Analysis
Vegetation Characteristics
Permissible
Shear Stress
(psf,
Calculated
Shear Stress
(p3f)
Safety Factor
Remarks
Staple Pattern
Phase
Class
I Type
IDensity
Straight
Unreinforced
Vegetation
I D
I Bunch
150-75/.
3.33
0.72
4.63
STABLE
Soil
Sandy Loam
0.035
0.066
0.53
UNSTABLE
a1V
North American Green ECIVIDS Version 4.3 - Channel Protection Des-ign, Output Form
File Specifications Options Help
ENGLISH. IQUICK I r4—/27—/2021 09-07AMI
r A"
Disc�a'rge
Flow
lVelocity (fps)l
Area (sq.ft)
c
Radd Itj
�9
PPealk
eriod [hrs ,
uull
� s
DNorrhal
e[t Iftl
3.
0.1
2.69
1 5.16
0.62
1.16
S75 (n=0.040)
L-- Bottom 1
3.0 Width = 1.00 ft 3.0
v 4K
Not to Scale
Reach
Matting Type
Stability Analysis
Vegetation Characteristics
Permissible
ear tress
(psf
Calculated
Shear Stress
(Psfl
Safety Factor
Remarks
Staple Pattern
Phase
Class
Type
IDensit
Straight
S75
Unvegetated
1.55
0.72
2.15
STABLE
Staple D
MUM MOML'ar
MW
09M,

Slopes at existing pond
0 North American Green ECMDSVersi on 4.3 -Slope Protection Design, Output Form
File Input Mode Specifications Run Options Help
U nited S tates
9M
St
ate Noith Carolina
C.
Slope Gradient 2:1
city Fayetteville
Annual R Factor P0
0
Total Slope Len th (f �­S 130
Protection Type
JAII Materials
Protection Period (months)
Beginning Month 1june :71 S 150 (C=O. 131)
Adjusted R Value 30
Slope Gradient [14:1) 12
Soil Type Sandy Loarn
K Factor 10.1� Not to Scale
Soil Loss Tolerance (in] 1 0.25
Reach
Cum. Dist.
Material
Vegetation Type
Growth Habit
Density
ASL
baFO
(in)
ASL
mat
(in)
MSL
baFO
(in)
MSL
Mat
(in)
SILT
(in)
SIF
Remarks
Staple
Begin
(it)
End
(it)
0
30
S150
0.859
0.113
1.502
0.197
0.25
1.270
STABLE
D
2
3
i
10
30
Composite
0.859