SW6201001_1689-EC MATTING CALCS_20201008

1689 — Evelyn Estates Subdivision
EC Matting Calculations
Ditch #1
North American Green EC KIDS Version 4.3 - Chan net Protection Design, Output Form
File Specifications Options Help
EHGLISH. 1USEA I 51-2-4M20 1104AM7—
HYDRAULIC RESULTS
Discharge
cfs
Peak Flow
Period his
Velocity [fps]
Area (sq ft) }lydrautic
Radus fit
Narmal
De h l
17.5
0.5
1 1.77
1 9.90 1 0.66
1.73
" zNU3 *a11%P
Unreinforced
}
Bottom
Width = 0.50 Ft
�1
30
Not to Scale
—
Reach
Matting Type
Stablily Analysis
Vegetation Di racterisfics
Permissible
Shear Stress
fpsf]
Calculated
Shear Stress
(Pst)
Safety Factor
Remarks
Staple Pattern
Phase
pass
Type
penally
Straight
UtaeWorced
Vegetation
I
D
I Bunch
50.75%
3.33
0.54
&15
STABLE
Soil
Sandy Loam
0.035
0.027
1.28
STABLE
Ditch #2
North American Green ECh10S Version 4.3 - Channel Protection Design, Output Form
File Specifications Options Help
EHGLISH. IUSER 19124M20 11:04AM
IMPIZU11111R
Doge
cN
Peak Flow
Period s
Veocty [fps]
Area [sq.ft)
Hy6:t
R fit
Normal
D h fit
h 2 7
0-5
1 1.53
1 8.29
0.79
1.58
LINER RESULTS
Unreinforced
❑ X
— ❑ X
1�� 1
t L Bottom 1
3.0 Width = 0.50 It 3.0
Not to Scale
Reach
Matting Type
5tablityAnalysis
Vegetation Characteristics
Petmisskie
Shear Stress
fast)
Calct"ed
Shear Stress
(Psf)
Safety Factor
Remarks
Staple Pattern
Phase
Class
Type
Density
Straight
Unenforced
Vegetation
D
I Bunch150-75%1
3.33
0.49
6.75
STABLE
Soil
Sandy Loam
0.D35
0.021
1.68
STABLE

Ditch #3
North American Green ECMDS Version 4.3 - Channel Protection Design, Output Farm — ❑ X
File Specifications Options Help
NGLISH. IQUICK I R74-12 44 11:05AM
HYDRAULIC RESULTS
Discharge
cfs
Peak Flow
Period hrs
Velocity (fps]
Area (soft)
Hydraulic
Radius It
Normal
D ft
02.0
0.5
1 a37
1 9.49
0.84
1.70
1�
3.0
LINER RESULTS
Bottom
Width = 0.50 It
_j 1
Not to Scale
Matling Type
Vegetation Charactetislics
I Reach
StabilkyAnelysis
%rrusAle
Calculated
5afetyFactor
Remarks
Staple Pattesn
Shear Suess
Shear Suess
Phase
class
Type
Density
1
(0)
IPA
straight
S75
unvegetated
I
1.55
0.53
293
STABLE
Staple D
Cul-de-Sac Slopes
J1 North American Green ECMDS Version 4.3 - Slope Protection Design, Output Form —
File Input Mode Specifications Run Options Help
NGLISH, 1QUiCK
TEMPORARY 2412020 .12AM
United Stater
(!Country
tatelRegion
North Caraiina
Slope Gradient = 3.1
Fayetteville
(ICity
lAnnualR Factor
13DO
II
Total Slope Length [ft)
J40
Protection Type
I All Materials
Protection Period (months)
9
Beginning Month
November S75(C=0.136)
djusted R Value
F 89 40
Slope Gradient (1-1:1]
13
-Soil Type
Sandy Loam
K Factor
0.13 Not to scale
Soil Loss Tolefance (in]
10,25
Reach
Cum. Dist.
Material
Vegetation Type
Growth Habit
Density
ASL
bare
(in)
ASL
mat
lin]
MSL
bate
(in)
MSL
mat
(in)
SILT
(in)
SF
Remarks
Staple
Begin
(ft)
End
(ft)
1
0
40
S75
0.612
OOM
1.057
0.144
0.25
1.73B
STABLE
D
2
3
0
40
Composite
0.612
0083