channel calculations 7-23-19

Trapezoidal Channel Analysis
Project Info
User Input
Bed Manning's n-Value (Nc): 0.032
Right Manning's n-Value (Nr): 0.032
Left -Side Slope (Zl) [H:1 V]: 3
Bottom Width (B) [ft]: 2
Bend Coefficient (Kb): 1
Hydraulic Results
Depth [ft]: 0.513
Froude: 1.15
Project Information
Designers Name: Kevin Garton
Designers Organization: Engineering Consulting
Project Number: 2190335
Project Segment: Channel l
Project Description: FES 2 to Sta. 64-50
Project Start Date: --
American
Excelsior
Company®
mw
Earth Science Division
Left Manning's n-Value (Nl): 0.032
Right -Side Slope (Zr) [H:1 V]: 3
Bed Slope (S) [ft/ft]: 0.029
Design Discharge (Q) [ft'/sec]: 7.05
Velocity [ft/sec]: 3.89
Shear [lb/ftz]: 0.928
Designers Title: engineer
Project Name: Snow Camp Mine
Project Location (City, State): Snow Camp, North Carolina
Applications(s):
Project Bid Date: --
Jul 11 th, 2019
WWW.EROSIONWORKS.COM Channel l

Trapezoidal Channel
Analysis Result
American Wdkk
Excelsior
Company°
Earth Science Division
Stability factors less than one are highlighted RED and mean the material is likely to fail if the calculated hydraulic conditions
are encountered.
DOT Approvals for : North Carolina
Product Comparison Chart
Jul 11 th, 2019
WWW.EROSIONWORKS.COM Channel 1

AEC Premier Coconut
2.04
2.42
up to 36
Yes
AEC Premier Straw DN QM (White Net)
1.8
1.89
up to 3
Yes
AEC Premier Straw Double Net
1.8
1,89
up to 12
Yes
AEC Premier Straw Single Net
1.69
1.67
up to 12
Yes
AEC Premier Straw SN QM (White Net)
1.69
1,67
up to 3
Yes
AEC Premier Straw/Coconut
1.92
It
I 2.16
III
up to 24
Yes
Curlex Enforcer (Unvegetated)
2.45
3.5
Permanent
Yes
Curlex Enforcer (Vegetated)
4.3
10.8
Permanent
Yes
Curlex High Velocity (HV)
2.45
3.5
36+
Yes
Curlex 1
1.8
1.89
up is 18
i
Yes
Curlex I CL
1.72
1,72
up to 15
Yes
Curlex I CL QuickMow (White Net)
1.72
1.72
up to 3
Yes
Curlex I QuickMow (White Net)
1.8
1.89
up to 3
Yes
Curlex II
2.04
2,42
up to 24
Yes
Curlex II .98
2.15
2.69
up to 30
N/A
Curlex II CL
1.82
1.94
up to 18
Yes
Curlex II CL QuickMow (White Net)
1.82
1.94
up to 3
Yes
Curlex II QuickMow (White Net)
2.04
2.42
up to 3
Yes
Curlex III
2.15
2.69
up to 36
Yes
Curlex NetFree
1.36
1.08
up to 18
Yes
Recyclex TRM (Unvegetated)
2.5
3.64
Permanent
Yes
Recyclex TRM (Vegetated)
4.51
11.9
II
Permanent
Yes
Recyclex TRM-V (Unvegetated)
2.48
3.58
Permanent
Yes
Recyclex TRM-V (Vegetated)
3.84
8.62
Permanent
Yes
TriNet Coconut (Unvegetated)
2.43
3.45
Permanent
N/A
TriNet Coconut (Vegetated)
4.71
12.9
Permanent
N/A
TriNet Curlex (Unvegetated)
2.43
3.45
Permanent
N/A
TriNet Curlex (Vegetated)
4.9
14
Permanent
N/A
TriNet Recyclex (Unvegetated)
2.43
3.45
Premanent
N/A
TriNet Recyclex (Vegetated)
5.08
15.1
Permanent
N/A
TriNet Straw/Coconut (Unvegetated)
Z43
3.45
Permanent
N/A
TriNet Straw/Coconut (Vegetated)
4.3
10.8
Permanent
N/A
Jul 11 th, 2019
WWW.EROSIONWORKS.COM Channel 1

Trapezoidal Channel Analysis
Project Info
User Input
Bed Manning's n-Value (Nc): 0.032
Right Manning's n-Value (Nr): 0.032
Left -Side Slope (Zl) [H:1V]: 3
Bottom Width (B) [ft]: 2
Bend Coefficient (Kb): 1
Hydraulic Results
Depth [ft]: 0.678
Froude: 1.22
Project Information
Designers Name: Kevin Garton
Designers Organization: Engineering Consulting
Project Number: 2190335
Project Segment: C hanneM
Project Description: FES 1 to Stu. 6 50
Project Start Date: --
American _
Excelsior
Company®
qw
Earth Science Division
Left Manning's n-Value (Nl): 0.032
Right -Side Slope (Zr) [H:1 V]: 3
Bed Slope (S) [ft/ft]: 0.0296
Design Discharge (Q) [ft'/sec]: 12.66
Velocity [ft/sec]: 4.63
Shear [lb/ft2]: 1.25
Designers Title: engineer
Project Name: Snow Camp Mine
Project Location (City, State): Snow Camp, North Carolina
Applications(s):
Project Bid Date: --
Jul 11 th, 2019
Channel 2
WW W.EROSIONWORKS.COM

Trapezoidal Channel
Analysis Result
American
Excelsior
Company°qw
Earth Science Division
Stability factors less than one are highlighted RED and mean the material is likely to fail if the calculated hydraulic conditions
are encountered.
DOT Approvals for : North Carolina
Product Comparison Chart
Jul 11 th, 2019
WWW.EROSIONWORKS.COM Channel 2

AEC Premier Coconut
1.79
2
up to 36
Yes
AEC Premier Straw DN QM (White Net)
1.58
1
up to 3
Yes
AEC Premier Straw Double Net
1.58
1
up to 12
Yes
AEC Premier Straw Single Net
1.49
1.2
up to 12
Yes
AEC Premier Straw SN QM (White Net)
1.49
1.2
up to 3
Yes
AEC Premier Straw/Coconut
1.69
2
up to 24
Yes
Curlex Enforcer (Unvegetated)
2.16
3
Permanent
Yes
Curlex Enforcer (Vegetated)
3.78
10
Permanent
Yes
Curlex High Velocity (HV)
2.16
3
36+
Yes
1-58
1
op to 18
Yes
I
Curlex I CL
1.51
1.3
up to 15
Yes
Curlex I CL QuickMow (White Net)
1.51
1.3
up to 3
Yes
Curlex I QuickMow (White Net)
1.58
1
up to 3
Yes
Curlex 11
1.79
2
up to 24
Yes
Curlex II .98
1.89
0
up to 30
N/A
Curlex 11 CL
1.6
1.4
up to 18
Yes
Curlex 11 CL QuickMow (White Net)
1.6
1.4
up to 3
Yes
Curlex II QuickMow (White Net)
1.79
2
up to 3
Yes
Curlex 111
1.89
0
up to 36
Yes
Curlex NetFree
1.2
1
up to 18
Y• s
Recyclex TRM (Unvegetated)
2.2
2.7
Permanent
Yes
Recyclex TRM (Vegetated)
3.97
9
Permanent
Yes
Recyclex TRM-V (Unvegetated)
2.18
2.66
Permanent
Yes
Recyclex TRM-V (Vegetated)
3.38
6
Permanent
Yes
TriNet Coconut (Unvegetated)
2.14
2.6
Permanent
N/A
TriNet Coconut (Vegetated)
4.14
10
Permanent
N/A
TriNet Curlex (Unvegetated)
2.14
2.6
Permanent
N/A
TriNet Curlex (Vegetated)
4.31
10
Permanent
N/A
TriNet Recyclex (Unvegetated)
2.14
2.6
Premanent
N/A
TriNet Recyclex (Vegetated)
4.47
11
Permanent
N/A
i
TriNet Straw/Coconut (Unvegetated)
2.14
2.6
Permanent
N/A
TriNet Straw/Coconut (Vegetated)
3.78
10
Permanent
N/A
Jul 11 th, 2019
Channel 2
WWW.EROSIONWORKS.COM

Trapezoidal Channel Analysis
Project Info
User Input
Bed Manning's n-Value (Nc): 0.032
Right Manning's n-Value (Nr): 0.032
Left -Side Slope (Zl) [H:1 V]: 3
Bottom Width (B) [ft]: 2
Bend Coefficient (Kb): 1
Hydraulic Results
Depth [ft]: 0.326
Froude: 1.28
Project Information
Designers Name: Kevin Garton
Designers Organization: Engineering Consulting
Project Number: 2190335
American _
Excelsior
Companyollw
Earth Science Division
Left Manning's n-Value (Nl): 0.032
Right -Side Slope (Zr) [H:1 V]: 3
Bed Slope (S) [ft/ft]: 0.041
Design Discharge (Q) [ft3/sec]: 3.5
Velocity [ft/sec]: 3.61
Shear [lb/ft']: 0.834
Designers Title: engineer
Project Name: Snow Camp Mine
Project Location (City, State): Snow Camp, North Carolina
Project Segment: Channel 3 Applications(s):
Project Description: Access Road (West Side) from Sta. 7440jk¢dl;; Mate: --
Project Start Date:
Jul 11 th, 2019
W W W.EROSIONWORKS.COM

Trapezoidal Channel
Analysis Result
American wab
Excelsior
Company
qw
Earth Science Division
Stability factors less than one are highlighted RED and mean the material is likely to fail if the calculated hydraulic conditions
are encountered.
DOT Approvals for : North Carolina
Product Comparison Chart
Jul 11 th, 2019
WWW.EROSIONWORKS.COM

AEC Premier Coconut
2.04
2.7
up to 36
Yes
AEC Premier Straw DN QM (White Net)
1.8
2.1
up to 3
Yes
AEC Premier Straw Double Net
1.8
2.1
up to 12
Yes
AEC Premier Straw Single Net
1.69
1.86
up to 12
Yes
AEC Premier Straw SN QM (White Net)
1.69
1.86
up to 3
Yes
AEC Premier Straw/Coconut
1.92
2.4
up to 24
Yes
Curlex Enforcer (Unvegetated)
2.45
3.9
Permanent
Yes
Curlex Enforcer (Vegetated)
4.29
12
I
Permanent
Yes
Curlex High Velocity (HV)
2.45
3.9
36+
Yes
i
Curlex 1
i
1.8
2.1
up to 18
Yes
Curlex I CL
1.72
1.92
up to 15
Yes
Curlex I CL QuickMow (White Net)
1.72
1.92
up to 3
Yes
Curlex I QuickMow (White Net)
1.8
2.1
up to 3
Yes
Curlex II
2.04
2.7
up to 24 {
Yes
Curlex 11 .98
2.15
3
up to 30
N/A
Curlex II CL ,
1.82
2.16
up to 18
Yes
Curlex II CL QuickMow (White Net)
1.82
2.16
up to 3
Yes
J
Curlex 11 QuickMow (White Net) 1
i
2.04
2.7
up to 3
Yes
Curlex III
2,15
3
up to 36
Yes
Curlex NetFree
1.36
1.2
up to 18
Yes
Recyclex TRM (Unvegetated)
2.5
4.05
Permanent
Yes
Recyclex TRM (Vegetated)
4.5
13.2
Permanent
Yes
Recyclex TRM-V (Unvegetated)
2.47
3.98
Permanent
Yes
Recyclex TRM-V (Vegetated)
3.84
9.59
Permanent
Yes
TriNet Coconut (Unvegetated)
2.43
3,84
Permanent
N/A
TriNet Coconut (Vegetated)
4.7
14.4
Permanent
N/A
TriNet Curlex (Unvegetated)
2.43
3.84
Permanent
N/A
TriNet Curlex (Vegetated)
4.89
15.6
Permanent
N/A
TriNet Recyclex (Unvegetated)
Z43
3,84
Premanent
N/A
TriNet Recyclex (Vegetated)
5.08
16.8
Permanent
N/A
TriNet Straw/Coconut (Unvegetated)
2.43
3.84
Permanent
N/A
TriNet Straw/Coconut (Vegetated)
4.29
12
Permanent
NIA
Jul 11 th, 2019
WW W.EROSIONWORKS.COM

Trapezoidal Channel Analysis
Project Info
User Input
Bed Manning's n-Value (Nc): 0.032
Right Manning's n-Value (Nr): 0.032
Left -Side Slope (Zl) [H:1V]: 3
Bottom Width (B) [ft]: 2
Bend Coefficient (Kb): 1
Hydraulic Results
Depth [ft]: 0.41
Froude: 1.25
Project Information
American _
Excelsior
Company®
qw
Earth Science Division
Left Manning's n-Value (NI): 0.032
Right -Side Slope (Zr) [H:1V]: 3
Bed Slope (S) [ft/ft]: 0.0363
Design Discharge (Q) [ft'/sec]: 5.12
Velocity [ft/sec]: 3.87
Shear [lb/ftz]: 0.928
Designers Name: Kevin Garton Designers Title: engineer
Designers Organization: Engineering Consulting Project Name: Snow Camp Mine
Project Number: 2190335 Project Location (City, State): Snow Camp, North Carolina
Project Segment: Channel 4 Applications(s):
Project Description: Access Road (East Side) from Sta. 8+F6*ct489e Date: --
Project Start Date: -- e k s­0 �-o N r Dt.�
Jul 11 th, 2019
W W W. EROSION WORKS.COM

Trapezoidal Channel
Analysis Result
American
Excelsior
Companyo"qw
Earth Science Division
Stability factors less than one are highlighted RED and mean the material is likely to fail if the calculated hydraulic conditions
are encountered.
DOT Approvals for : North Carolina
Product Comparison Chart
Jul 11th, 2019
W W W.EROSIONWORKS.COM

AEC Premier Coconut
1.97
2.42
up to 36
Yes
AEC Premier Straw DN QM (White Net)
1.74
1.89
up to 3
Yes
AEC Premier Straw Double Net
1 74
1.89
up to 12
Yes
AEC Premier Straw Single Net
1.64
1.67
up to 12
Yes
AEC Premier Straw SN QM (White Net)
1 64
1.67
up to 3
Yes
AEC Premier Straw/Coconut
1.86
2.16
up to 24
Yes
Curlex Enforcer (Unvegetated)
2.37
3.5
Permanent
Yes
Curlex Enforcer (Vegetated)
4,16
10.8
Permanent
Yes
Curlex High Velocity (HV)
2.37
3.5
36+
Yes
Curlex 1
i
1.74
1.89
up to 18
Yes
Curlex I CL
1.66
1.72
up to 15
Yes
Curlex I CL QuickMow (White Net)
1.66
`
y 1.72
up to 3
Yes
Curlex I QuickMow (White Net)
1.74
1.89
up to 3
Yes
Curlex II
1.97
+ 2.42
up to 24
Yes
Curlex II .98
2.08
2.69
up to 30
N/A
Curlex II CL
1.76
1.94
up to 18
Yes
Curlex 11 CL QuickMow (White Net)
1.76
1.94
up to 3
Yes
Curlex 11 QuickMow (White Net)
1.97
2.42
up to 3
Yes
Curlex 111
2.08
2.69
up to 36
Yes
Curlex NetFree
1.32
1.08
up to 18
Yes
Recyclex TRM (Unvegetated)
2.42
3.64
Permanent
Yes
Recyclex TRM (Vegetated)
4.36
11.9
Permanent
Yes
Recyclex TRM-V (Unvegetated)
2.4
3.58
Permanent
Yes
Recyclex TRM-V (Vegetated)
3.72
8.62
Permanent
Yes
TriNet Coconut (Unvegetated)
2.35
3.45
Permanent
N/A
TriNet Coconut (Vegetated)
4.56
12.9
Permanent
N/A
TriNet Curlex (Unvegetated)
2.35
3.45
Permanent
N/A
TriNet Curlex (Vegetated)
4.74
14
Permanent
N/A
TriNet Recyclex (Unvegetated)
2.35
3.45
Premanent
N/A
TriNet Recyclex (Vegetated)
4.92
15.1
Permanent
N/A
TriNet Straw/Coconut (Unvegetated)
2.35
3.45
Permanent
N/A
TriNet Straw/Coconut (Vegetated)
4.16
10.8
Permanent
N/A
Jul 11 th, 2019
W W W.EROSIONWORKS.COM

Trapezoidal Channel Analysis
Project Info
User Input
Bed Manning's n-Value (Nc): 0.032
Right Manning's n-Value (Nr): 0.032
Left -Side Slope (Zl) [H:1 V]: 3
Bottom Width (B) [ft]: 2
Bend Coefficient (Kb): 1
Hydraulic Results
Depth [ft]: 0.287
Froude: 2.08
Project Information
Designers Name: Kevin Garton
American gift
Excelsior
Company®
qw
Earth Science Division
Left Manning's n-Value (Nl): 0.032
Right -Side Slope (Zr) [H:1 V]: 3
Bed Slope (S) [ft/ft]: 0.1125
Design Discharge (Q) [ft'/sec]: 4.55
Velocity [ft/sec]: 5.55
Shear [lb/ft']: 2.01
Designers Title: engineer
Designers Organization: Engineering Consulting Project Name: Snow Camp Mine
Project Number: 2190335 Project Location (City, State): Snow Camp, North Carolina
Project Segment: Channel 5 Applications(s):
Project Description: Access Road i.West Side) Sta. 119 • �0 Pr6*- A Bid Date: --
Project Start Date: -- /Z&0,�o rx"" io-Y0'r—
Jul IIth, 2019 Channe15
WW W.EROSIONWORKS.COM

Trapezoidal Channel
Analysis Result
American
Excelsior
Company
RW
Earth Science Division
Stability factors less than one are highlighted RED and mean the material is likely to fail if the calculated hydraulic conditions
are encountered.
DOT Approvals for : North Carolina
Product Comparison Chart
Jul 11th, 2019 Channel 5
WWW.EROSIONWORKS.COM

AEC Premier Coconut
1,3
1.12
up to 36
Yes
AEC Premier Straw DN QM (White Net)
1.14
0.871
up to 3
Yes
AEC Premier Straw Double Net
1.14
0.871
up to 12
Yes
AEC Premier Straw Single Net
1.08
0.771
up to 12
Yes
AEC Premier Straw SN QM (White Net)
1.08
0.771
up to 3
Yes
AEC Premier Straw/Coconut
1.22
0.995
up to 24
Yes
Curlex Enforcer (Unvegetated)
1.56
1.62
Permanent
Yes
i
Curlex Enforcer (Vegetated)
2.73
4.98
Permanent
Yes
Curlex High Velocity (HV)
1.56
1.62
36+
Yes
Curlex 1
1.14
0.871
up to 18
Yes
Curlex I CL
1,09
0,796
up to 15
Yes
Curlex I CL QuickMow (White Net)
1.09
0.796
up to 3
Yes
Curlex I QuickMow (White Net)
1.14
0.871
up to 3
Yes
Curlex II
1.3
1.12
up to 24
Yes
Curlex 11 .98
1.37
1.24
up to 30
N/A
Curlex II CL
1.16
0.896
up to 18
Yes
Curlex II CL QuickMow (White Net)
1.16
0.896
up to 3
Yes
Curlex II QuickMow (White Net)
1.3
1.12
up to 3
Yes
Curlex III
1.37
1.24
up to 36
Yes
Curlex NetFree
0.864
0.498
up to 18
Yes
Recyclex TRM (Unvegetated)
1.59
1.68
Permanent
Yes
Recyclex TRM (Vegetated)
2.87
5.47
Permanent
Yes
Recyclex TRM-V (Unvegetated)
1.57
1.65
Permanent
Yes
Recyclex TRM-V (Vegetated)
2.44
3.98
Permanent
Yes
TriNet Coconut (Unvegetated)
1.55
1.59
Permanent
N/A
TriNet Coconut (Vegetated)
2.99
5.97
Permanent
N/A
TriNet Curlex (Unvegetated)
1.55
1.59
Permanent
N/A
TriNet Curlex (Vegetated)
3.12
6.47
Permanent
N/A
TriNet Recyclex (Unvegetated)
1.55
1.59
Premanent
N/A
TriNet Recyclex (Vegetated)
3.23
6.97
Permanent
N/A
TriNet Straw/Coconut (Unvegetated)
1,55
1.59
Permanent
N/A
TriNet Straw/Coconut (Vegetated)
2.73
4.98
Permanent
N/A
Jul 11 th, 2019
WWW.EROSIONWORKS.COM
Channel 5

Trapezoidal Channel Analysis
Project Info
User Input
Bed Manning's n-Value (Ne): 0.032
Right Manning's n-Value (Nr): 0.032
Left -Side Slope (ZI) [H:1 V]: 2
Bottom Width (B) [ft]: 3
Bend Coefficient (Kb): 1
Hydraulic Results
Depth [ft]: 0.517
Froude: 1.8
Project Information
Designers Name: Kevin Garton
Designers Organization: Engineering Consulting
Project Number: 2190335
Project Segment: Channel 6
Project Description: SK 8 to Stream Butler
Project Start Date: --
American _
Excelsior
Company®
mw
Earth Science Division
Left Manning's n-Value (NI): 0.032
Right -Side Slope (Zr) [H:1 V]: 2
Bed Slope (S) [ft/ft]: 0.0693
Design Discharge (Q) [ft3/sec]: 13.64
Velocity [ft/sec]: 6.54
Shear [lb/ftz]: 2.23
Designers Title: engineer
Project Name: Snow Camp Mine
Project Location (City, State): Snow Camp, North Carolina
Applications(s):
Project Bid Date: --
Jul 11 th, 2019
WW W.EROSIONWORKS.COM
Channel 6

Trapezoidal Channel
Analysis Result
American _
Excelsior
Company"'RW
Earth Science Division
Stability factors less than one are highlighted RED and mean the material is likely to fail if the calculated hydraulic conditions
are encountered.
DOT Approvals for : North Carolina
Product Comparison Chart
Jul 11th, 2019 Channel 6
WW W.EROSIONWORKS.COM

AEC Premier Coconut
1.21
1.01
up to 36
Yes
AEC Premier Straw DN QM (White Net)
1.07
0.785
up to 3
Yes
AEC Premier Straw Double Net
1.07
0.785
up to 12
Yes
AEC Premier Straw Single Net
1.01
0.695
up to 12
Yes
AEC Premier Straw SN QM (White Net)
! 1.01
0.695
up to 3
Yes
AEC Premier Straw/Coconut
1.14
0.897
up to 24
Yes
Curlex Enforcer (Unvegetated)
1.46
1.46
Permanent
Yes
Curlex Enforcer (Vegetated)
2,56
4.48 I
Permanent
Yes
Curlex High Velocity (HV)
1.46
1.46
36+
Yes
Curlex 1
1.07
0.785 I
up to 18
Yes
Curlex I CL
1.02
0,717
up to 15
Yes
Curlex I CL QuickMow (White Net)
1,02
0.717
up to 3
Yes
Curlex I QuickMow (White Net)
1.07
0.785
up to 3
Yes
Curlex 11
1.21
1.01
up to 24
Yes
Curlex II .98
1.28
1.12
up to 30
N/A
Curlex II CL
1.09
0.807
up to 18
Yes
Curlex II CL QuickMow (White Net)
1 09
0.807
up to 3
Yes
Curlex 11 QuickMow (White Net)
1.21
1.01
up to 3 f
Yes
Curlex III
1.28
1.12
up to 36
Yes
Curlex NetFree
0.809
0.448
up to 18
Yes
Recyclex TRM (Unvegetated)
1.49
1.52
Permanent
Yes
Recyclex TRM (Vegetated)
2.68
4.93
Permanent
Yes
Recyclex TRM-V (Unvegetated)
1.47
1.49
Permanent
Yes
Recyclex TRM-V (Vegetated)
2.29
3.59
Permanent
Yes
TriNet Coconut (Unvegetated)
1.45
1.43
Permanent
N/A
TriNet Coconut (Vegetated)
2.8
5.38
Permanent
N/A
TriNet Curlex (Unvegetated)
1.45
1.43
Permanent
N/A
TriNet Curlex (Vegetated)
2.92
5.83
Permanent
N/A
TriNet Recyclex (Unvegetated)
1.45
1.43
Premanent
N/A
TriNet Recyclex (Vegetated)
3.03
6.28
Permanent
N/A
TriNet Straw/Coconut (Unvegetated)
1.45
1.43
Permanent
N/A
TriNet Straw/Coconut (Vegetated)
2.56
4.48
Permanent
N/A
Jul 11 th, 2019
WWW.EROSIONWORKS.COM Channel 6

Trapezoidal Channel Analysis
Project Info
User Input
Bed Manning's n-Value (Nc): 0.032
Right Manning's n-Value (Nr): 0.032
Left -Side Slope (ZI) [H:1 V]: 2
Bottom Width (B) [ft]: 1
Bend Coefficient (Kb): 1
Hydraulic Results
Depth [ft]: 1.42
Froude: 0.741
Project Information
Designers Name: Kevin Garton
Designers Organization: Engineering Consulting
Project Number: 2190335
Project Segment: Channel 7
Project Description: Exist. 18" RCP to FES 2
Project Start Date: --
American _
Excelsior
Company®
RW
Earth Science Division
Left Manning's n-Value (Nl): 0.032
Right -Side Slope (Zr) [H:1 V]: 2
Bed Slope (S) [ft/ft]: 0.01
Design Discharge (Q) [ft3/sec]: 20.59
Velocity [ft/sec]: 3.79
Shear [lb/ftz]: 0.884
Designers Title: engineer
Project Name: Snow Camp Mine
Project Location (City, State): Snow Camp, North Carolina
Applications(s):
Project Bid Date: --
Jul 11th, 2019 Channel 7
WW W.EROSIONWORKS.COM

Trapezoidal Channel
Analysis Result
American
Excelsior
Company ,
Earth Science Division
Stability factors less than one are highlighted RED and mean the material is likely to fail if the calculated hydraulic conditions
are encountered.
DOT Approvals for : North Carolina
Product Comparison Chart
Jul 11 th, 2019
W W W. EROSION WORKS. COM
Channel 7

AEC Premier Coconut
2.48
2.55
up to 36
Yes
AEC Premier Straw DN QM (White Net) I
2.19
1.98
up to 3
Yes
AEC Premier Straw Double Net
2.19
1.98
up to 12
Yes
AEC Premier Straw Single Net
2.06
1.75
up to 12
Yes
AEC Premier Straw SN QM (White Net)
206
1.75
up to 3
Yes
AEC Premier Straw/Coconut
2.34
2.26
up to 24
Yes
Curlex Enforcer (Unvegetated)
2.98
3.68
Permanent
Yes
Curlex Enforcer (Vegetated)
I
5.22
11.3
Permanent
Yes
i
Curlex High Velocity (HV)
2.98
3.68
36+
Yes
uft _
2 10
1.98
up to 18
Yes
Curlex I CL
2.09
1.81
up to 15
Yes
Curlex I CL QuickMow (White Net)
2.09
1.81
up to 3
Yes
Curlex I QuickMow, (White Net)
2.19
1.98
up to 3
Yes
Curlex II
2.48
2.55
up to 24
Yes
Curlex II .98
2.61
2.83
up to 30
N/A
Curlex II CL
2.22
2.04
up to 18
Yes
Curlex 11 CL QuickMow (White Net)
2.22
2.04
up to 3
Yes
Curlex II QuickMow (White Net)
2.48
2.55
up to 3
Yes
Curlex III
2.61
2.83
up to 36
Yes
Curlex NetFree
1.65
1.13
up to 18
Yes
Recyclex TRM (Unvegetated)
3.04
3.82
Permanent
Yes
Recyclex TRM (Vegetated)
548
12.4
Permanent
Yes
Recyclex TRM-V (Unvegetated)
301
3.76
Permanent
Yes
Recyclex TRM-V (Vegetated)
4.67
9.05
Permanent
Yes
TriNet Coconut (Unvegetated)
2.96
3.62
Permanent
N/A
TriNet Coconut (Vegetated)
5.72
13.6
Permanent
N/A
TriNet Curlex (Unvegetated)
296
3.62
Permanent
N/A
TriNet Curlex (Vegetated)
5.96
14.7
Permanent
N/A
TriNet Recyclex (Unvegetated)
2.96
3.62
Premanent
N/A
TriNet Recyclex (Vegetated)
6.18
i
15.8
Permanent
i
N/A
TriNet Straw/Coconut (Unvegetated)
2.96
3.62
Permanent
N/A
TriNet Straw/Coconut (Vegetated)
5.22
11.3
Permanent
N/A
Jul 11 th, 2019
WWW.EROSIONWORKS.COM Channel 7

Trapezoidal Channel Analysis
Project Info
User Input
Bed Manning's n-Value (Nc): 0.032
Right Manning's n-Value (Nr): 0.032
Left -Side Slope (Zl) [H:1 V]: 2
Bottom Width (B) [ft]: 2
Bend Coefficient (Kb): 1
Hydraulic Results
Depth [ft]: 0.421
Froude: 1.17
Project Information
Designers Name: Kevin Garton
Designers Organization: Engineering Consulting
Project Number: 2190335
Project Segment: Channel 8
Project Description: Star+9-'ho St& 204-01
SiC fo
Project Start Date: --
American
Excelsior
Company®
RW
Earth Science Division
Left Manning's n-Value (Ni): 0.032
Right -Side Slope (Zr) [H:1 V]: 2
Bed Slope (S) [ft/ft]: 0.0325
Design Discharge (Q) [ft3/sec]: 4.55
Velocity [ft/sec]: 3.8
Shear [lb/ft]: 0.855
Designers Title: engineer
Project Name: Snow Camp Mine
Project Location (City, State): Snow Camp, North Carolina
Applications(s):
Project Bid Date: --
Jul 11 th, 2019
Channel 8
W W W.EROSIONWORKS.COM

Trapezoidal Channel
Analysis Result
American
Excelsior
Company°lw
Earth Science Division
Stability factors less than one are highlighted RED and mean the material is likely to fail if the calculated hydraulic conditions
are encountered.
DOT Approvals for : North Carolina
Product Comparison Chart
Jul 11 th, 2019
Channel 8
W W W.EROSIONWORKS.COM

AEC Premier Straw DN QM (White Net)
1.78
2.05
up to 3
Yes
AEC Premier Straw Double Net
1.78
2.05
up to 12
Yes
AEC Premier Straw Single Net
i
1.68
1.81
up to 12
Yes
AEC Premier Straw SN QM (White Net)
1.68
1.81
up to 3
Yes
AEC Premier Straw/Coconut
1.9
2.34
up to 24
Yes
Curlex Enforcer (Unvegetated)
2.43
3.8
Permanent
Yes
Curlex Enforcer (Vegetated)
4.25
11.7
Permanent
Yes
Curlex High Velocity (HV)
2.43
3.8
36+
Yes
7f
1 2 06
up to 18
I
Yes
Curlex I CL
1 7
1.87
up to 15
Yes
Curlex I CL QuickMow (White Net)
1.7
1.87
up to 3
Yes
Curlex I QuickMow (White Net)
1.78
2.05
up to 3
Yes
Curlex 11
2.02
2.63
up to 24
Yes
Curlex II .98
2.13
2.92
up to 30
N/A
Curlex II CL
1.81
2.11
up to 18
Yes
Curlex II CL QuickMow (White Net)
1.81
2.11
up to 3
Yes
Curlex II QuickMow (White Net)
2.02
2.63
up to 3
Yes
Curlex 111
2.13
2.92
up to 36
Yes
Curlex NetFree
1 35
i 1.17
up to 18
Yes
Recyclex TRM (Unvegetated)
247
3.95
Permanent
Yes
Recyclex TRM (Vegetated)
4.46
12.9
i
Permanent
Yes
Recyclex TRM-V (Unvegetated)
2.45
3.88
Permanent
Yes
Recyclex TRM-V (Vegetated)
3.81
9.36
Permanent
Yes
TriNet Coconut (Unvegetated)
2.41
3.74
Permanent
N/A
TriNet Coconut (Vegetated)
4.66
14
Permanent
N/A
TriNet Curlex (Unvegetated)
2.41
3.74
Permanent
N/A
TriNet Curlex (Vegetated)
4.85
152
Permanent
N/A
TriNet Recyclex (Unvegetated)
2.41
3.74
Premanent
N/A
TriNet Recyclex (Vegetated)
5.03
16.4
Permanent
N/A
TriNet Straw/Coconut (Unvegetated)
2.41
3.74
Permanent
N/A
TriNet Straw/Coconut (Vegetated)
4.25
11.7
Permanent
N/A
Jul 11th, 2019 Channel 8
WW W.EROSIONWORKS.COM

Trapezoidal Channel Analysis
Project Info
User Input
Bed Manning's n-Value (Nc): 0.032
Right Manning's n-Value (Nr): 0.032
Left -Side Slope (Zl) [H:1 V]: 2
Bottom Width (B) [ft]: 2
Bend Coefficient (Kb): 1
Hydraulic Results
Depth [ft]: 0.469
Froude: 1.24
Project Information
Designers Name: Kevin Garton
Designers Organization: Engineering Consulting
Project Number: 2190335
Project Segment: Channel 9
Project Description: SK 7 to Sta. 20-00
Project Start Date: --
American
Excelsior
Company®
RW
Earth Science Division
Left Manning's n-Value (Nl): 0.032
Right -Side Slope (Zr) [H:1V]: 2
Bed Slope (S) [ft/ft]: 0.035
Design Discharge (Q) [ft'/sec]: 5.81
Velocity [ft/sec]: 4.21
Shear [lb/ft]: 1.03
Designers Title: engineer
Project Name: Snow Camp Mine
Project Location (City, State): Snow Camp, North Carolina
Applications(s):
Project Bid Date: --
s//
Jul 11th, 2019 Channel 9
W W W. EROSIONWORKS.COM

Trapezoidal Channel
Analysis Result
American
Excelsior
Company
Earth Science Division
Stability factors less than one are highlighted RED and mean the material is likely to fail if the calculated hydraulic conditions
are encountered.
DOT Approvals for : North Carolina
Product Comparison Chart
Jul 11 th, 2019
W W W_ EROS I O N W ORKS.CO M
Channel 9

AEC Premier Coconut
1.85
2.18
up to 36
Yes
AEC Premier Straw DN QM (White Net)
1.64
1.7
up to 3
Yes
AEC Premier Straw Double Net
1.64
1.7
up to 12
Yes
AEC Premier Straw Single Net
1.54
1.5
up to 12
Yes
AEC Premier Straw SN QM (White Net)
1.54
1.5
up to 3
Yes
AEC Premier Straw/Coconut
1.75
1.94
up to 24
Yes
Curlex Enforcer (Unvegetated)
2.23
3.16
Permanent
Yes
Curlex Enforcer (Vegetated)
391
9.71
Permanent
Yes
Curlex High Velocity (HV)
2.23
3.16
36+
Yes
00060.
1.64
uF la 18
YOH
Curlex I CL
1.56
1 55
up to 15
Yes
Curlex I CL QuickMow (White Net)
1.56
1.55
up to 3
Yes
Curlex I QuickMow (White Net)
1.64
1.7
up to 3
Yes
Curlex 11
1.85
2.18
up to 24
Yes
Curlex II .98
1.96
2.43
up to 30
N/A
Curlex II CL
1.66
1.75
up to 18 {
Yes
Curlex 11 CL QuickMow (White Net)
1.66
1.75
up to 3
Yes
Curlex 11 QuickMow (White Net)
1.85 I
2.18
up to 3
Yes
Curlex 111
1.96 i
2.43
up to 36
Yes
Curlex NetFree
1.24 I
0.971
up to 18
Yes
Recyclex TRM (Unvegetated)
2.27
3.28
Permanent
Yes
Recyclex TRM (Vegetated)
4.1
10.7
Permanent
Yes
Recyclex TRM-V (Unvegetated)
2.25
3.22
Permanent
Yes
Recyclex TRM-V (Vegetated)
3.5
7.77
Permanent
Yes
TriNet Coconut (Unvegetated)
2.21
3.11
Permanent
N/A
TriNet Coconut (Vegetated)
4.28
11.7
Permanent
N/A
TriNet Curlex (Unvegetated)
2.21
3.11
Permanent
N/A
TriNet Curlex (Vegetated)
4.46
12-6
Permanent
N/A
TriNet Recyclex (Unvegetated)
2.21
3.11
Premanent
N/A
TriNet Recyclex (Vegetated)
4.63
13.6
Permanent
N/A
TriNet Straw/Coconut (Unvegetated)
2.21
3.11
Permanent
N/A
TriNet Straw/Coconut (Vegetated) J
3.91
9.71
Permanent
N/A
Jul 11th, 2019 Channel 9
W W W. EROS ION WORKS.COM