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HomeMy WebLinkAboutChannel Stabilization Calculations (1)Trapezoidal Channel Analysis Project Info User Input Bed Manning's n-Value (Nc):.032 Right Manning's n-Value (Nr):.032 Left -Side Slope (Zl) [H:1 V]: 2 Bottom Width (B) [ft]: 1 Bend Coefficient (Kb): 1 Hydraulic Results Depth [ft]: 1.43 Froude: 0.727 Project Information American _ Excelsior Company° qw Earth Science Division Left Manning's n-Value (Nl):.032 Right -Side Slope (Zr) [H:1V]: 2 Bed Slope (S) [ft/ft]: 0.0095 Design Discharge (Q) [ft3/sec]: 20.59 Qt n Velocity [ft/sec]: 3.74 Shear [lb/ft2]: 0.847 Designers Name: Paul Stimpson Designers Title: engineer Designers Organization: LaBella Project Name: Snow Camp Project Number: 2190335 Project Location (City, State): Snow Camp NC, North Carolina Project Segment: Existing 18" RCP to FES 2 Applications(s): Project Description: Existing 18" RCP to FES 2 channel st1?b*etilkid Date: -- Project Start Date: -- Trapezoidal Channel Analysis Result American dialm 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 AEC Premier Coconut 2.51 2.66 up to 36 I Yes AEC Premier Straw DIN QM (White Net) 2.22 2.07 up to 3 Yes AEC Premier Straw Double Net 2.22 2.07 up to 12 Yes AEC Premier Straw Single Net 2.09 1.83 up to 12 Yes AEC Premier Straw SN QM (White Net) 2.09 1.83 up to 3 Yes AEC Premier Straw/Coconut 2.37 2.36 up to 24 Yes Curlex Enforcer (Unvegetated) 3.02 3.84 Permanent Yes Curlex Enforcer (Vegetated) 5.3 11.8 Permanent Yes Curlex High Velocity (HV) 3.02 3.84 36+ Yes Curlex 1 2.22 2.07 up to 18 Yes Curlex I CL 2.12 1.89 up to 15 Yes Curlex I CL QuickMow (White Net) 2.12 1.89 up to 3 Yes Curlex I QuickMow (White Net) 2.22 2.07 up to 3 Yes Curlex II I 2.51 2.66 up to 24 Yes Curlex II .98 2.65 2.95 up to 30 N/A Curlex 11 CL 2.25 2.13 up to 18 Yes Curlex II CL QuickMow (White Net) 2.25 2.13 up to 3 Yes Curlex 11 QuickMow (White Net) 2.51 2.66 up to 3 Yes V44-- Curlex III 2.65 2.95 up to 36 Yes Curlex NetFree 1.68 1.18 up to 18 Yes Recyclex TRM (Unvegetated) 3.08 3.99 Permanent Yes Recyclex TRM (Vegetated) 5.56 13 Permanent Yes Recyclex TRM-V (Unvegetated) 3.05 3.92 Permanent Yes Recyclex TRM-V (Vegetated) 4.74 9.45 Permanent Yes TriNet Coconut (Unvegetated) 3 3.78 Permanent N/A TriNet Coconut (Vegetated) 5.81 14.2 Permanent N/A TriNet Curlex (Unvegetated) 3 3.78 Permanent N/A TriNet Curlex (Vegetated) 6.04 15.3 Permanent N/A TriNet Recyclex (Unvegetated) 3 3.78 Premanent N/A TriNet Recyclex (Vegetated) 6.27 16.5 Permanent N/A TriNet Straw/Coconut (Unvegetated) 3 3.78 Permanent N/A TriNet Straw/Coconut (Vegetated) 5.3 11.8 Permanent N/A 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]: 3 Bottom Width (B) [ft]: 2 Bend Coefficient (Kb): 1 Hydraulic Results Depth [ft]: 0.655 Froude: 1.2 Project Information Designers Name: Kevin Garton Designers Organization: Engineering Consulting Project Number: 2190335 fE 5 'L Project Segment: MIME to 5+50 Project Description: Project Start Date: -- American gift Excelsior Company® Earth Science Division 3/27/19 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) [ft3/sec]: 11.73 O 3.704ac (0.45) (7.04 in/hr) A .4 1 Velocity [ft/sec]: 4.52 Shear [lb/ft2]: 1.21 Designers Title: engineer Project Name: Snow Camp Mine Project Location (City, State): Alamance County, North Carolina Applications(s): Project Bid Date: -- V Mar 27th, 2019 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 Mar 27th, 2019 WWW.EROSIONWORKS.COM AEC Premier Coconut 1.83 1.86 up to 36 Yes AEC Premier Straw DN QM (White Net) 1.61 1.45 up to 3 Yes AEC Premier Straw Double Net 1.61 1.45 up to 12 Yes AEC Premier Straw Single Net 1.52 1.28 up to 12 Yes AEC Premier Straw SN QM (White Net) 1.52 1.28 up to 3 Yes AEC Premier Straw/Coconut 1.72 1.65 up to 24 Yes Curlex Enforcer (Unvegetated) 2.2 2.69 Permanent Yes Curlex Enforcer (Vegetated) 3.85 8.26 Permanent Yes Curlex High Velocity (HV) 2.2 2,69 36+ Yes use Curlex I Curlex 1 1.61 1.45 up to 18 Yes Curlex I CL 1.54 1.32 up to 15 Yes Curlex I CL QuickMow (White Net) 1.54 1.32 up to 3 Yes Curlex I QuickMow (White Net) 1.61 1.45 up to 3 Yes Curlex II 1.83 1.86 up to 24 Yes Curlex II .98 1,93 2.07 up to 30 N/A Curlex II CL 1.63 1.49 up to 18 Yes Curlex II CL QuickMow (White Net) 1.63 1.49 up to 3 Yes Curlex II QuickMow (White Net) 1.83 1.86 up to 3 Yes Curlex III 1.93 2.07 up to 36 Yes Curlex NetFree 1.22 0.826 up to 18 Yes Recyclex TRM (Unvegetated) 2.24 2.79 Permanent Yes Recyclex TRM (Vegetated) 4.04 9.09 Permanent Yes Recyclex TRM-V (Unvegetated) 2.22 2.74 Permanent Yes Recyclex TRM-V (Vegetated) 3.44 6.61 Permanent Yes TriNet Coconut (Unvegetated) 2.18 2.64 Permanent N/A TriNet Coconut (Vegetated) 4.22 9.92 Permanent N/A TriNet Curlex (Unvegetated) 2.18 2.64 Permanent N/A TriNet Curlex (Vegetated) 4.39 10.7 Permanent N/A TriNet Recyclex (Unvegetated) 2.18 2.64 Premanent N/A TriNet Recyclex (Vegetated) 4.56 11.6 Permanent N/A TriNet Straw/Coconut (Unvegetated) 2.18 2.64 Permanent N/A TriNet Straw/Coconut (Vegetated) 3.85 8.26 Permanent N/A Mar 27th, 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]: 0.333 Froude: 1.12 Project Information Designers Name: Kevin Garton Designers Organization: Engineering Consulting Project Number: 2190335 FEs2 Project Segment: fo"to 6+50 Project Description: Project Start Date: -- American gift Excelsior Company Earth Science Division 3/27/19 Left Manning's n-Value (Nl): 0.032 Right -Side Slope (Zr) [H:1 V]: 3 Bed Slope (S) [ft/ft]: 0.0311 Design Discharge (Q) [ft'/sec]: 3.168 Q 1.0 Ac (0.45) (7.04 in/hr.) k G Velocity [ft/sec]: 3.18 Shear [lb/ft2]: 0.646 Designers Title: engineer Project Name: Snow Camp Mine Project Location (City, State): Alamance County, North Carolina Applications(s): Project Bid Date: -- Mar 27th, 2019 WW W.EROSIONWORKS.COM Trapezoidal Channel Analysis Result American ddhk 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 Mar 27th, 2019 W W W. EROS IONWORKS.COM AEC Premier Coconut 2.32 3.48 up to 36 Yes AEC Premier Straw DN QM (White Net) 2.05 2.71 up to 3 Yes AEC Premier Straw Double Net 2.05 2.71 up to 12 Yes AEC Premier Straw Single Net 1.93 2.4 up to 12 Yes AEC Premier Straw SN QM (White Net) 1.93 2.4 up to 3 Yes AEC Premier Straw/Coconut 2.19 3.1 up to 24 Yes Curlex Enforcer (Unvegetated) 2.79 5.03 Permanent Yes Curlex Enforcer (Vegetated) 4.89 15.5 Permanent Yes Curlex High Velocity (HV) 2.79 5.03 36+ Yes f 2.71 to 18 Ye y use Curlex I Curlex 1 2.05 up Curlex I CL 1.96 2.48 up to 15 Yes Curlex I CL QuickMow (White Net) 1.96 2.48 up to 3 Yes Curlex I QuickMow (White Net) 2.05 2.71 up to 3 Yes Curlex 11 2.32 3.48 up to 24 Yes j Curlex II .98 2.44 3.87 up to 30 N/A Curlex 11 CL 2.07 2.79 up to 18 Yes Curlex II CL QuickMow (White Net) 2.07 2.79 up to 3 Yes Curlex 11 QuickMow (White Net) 2.32 3.48 up to 3 Yes Curlex III 2.44 3,87 up to 36 Yes Curlex NetFree 1.55 1.55 up to 18 Yes Recyclex TRM (Unvegetated) 2.84 5.23 Permanent Yes Recyclex TRM (Vegetated) 5.13 17 Permanent Yes Recyclex TRM-V (Unvegetated) 2.82 5.14 Permanent Yes Recyclex TRM-V (Vegetated) 4.37 12.4 Permanent Yes TriNet Coconut (Unvegetated) 2.77 4.95 Permanent N/A TriNet Coconut (Vegetated) 5.36 18.6 Permanent N/A TriNet Curlex (Unvegetated) 2.77 4.95 Permanent N/A TriNet Curlex (Vegetated) 5.58 20.1 Permanent N/A TriNet Recyclex (Unvegetated) 2.77 4.95 Premanent N/A TriNet Recyclex (Vegetated) 5.79 21.7 Permanent N/A TriNet Straw/Coconut (Unvegetated) 2.77 4.95 Permanent N/A TriNet Straw/Coconut (Vegetated) 4.89 15.5 Permanent N/A Mar 27th, 2019 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]: 0.329 Froude: 1.12 Project Information Designers Name: Kevin Garton American _ Excelsior Company° qw Earth Science Division 3127119 Left Manning's n-Value (Nl): 0.032 Right -Side Slope (Zr) [H:1 V]: 3 Bed Slope (S) [ft/ft]: 0.0311 Design Discharge (Q) [ft3/sec]: 3.104 Q,o 0.45 (0.98 Ac) (7.04 in/hr) Velocity [ft/sec]: 3.16 Shear [Ib/ftz]: 0.638 Designers Title: engineer Designers Organization: Engineering Consulting Project Name: Snow Camp Mine Project Number: 2190335 er P Project Location (City, State): Alamance County, North Carolina j q'!Da Project Sggment: Access Road (West Side) 7+00 tow AApplications(s): Project Description: Project Bid Date: -- Project Start Date: -- Mar 271h, 2019 W W W.EROSIONWORKS.COM Trapezoidal Channel Analysis Result American dft Excelsior Company® mw 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 Mar 27th, 2019 WW W.EROSIONWORKS.COM Rolled Erosion Control Products Velocity Shear Stress Functional Longevity DOT Approved AEC Premier Coconut 2.33 (months) 3.53 up to 36 (for channels) Yes AEC Premier Straw DN QM (White Net) 2.05 2.74 up to 3 Yes AEC Premier Straw Double Net 2.05 2.74 up to 12 Yes AEC Premier Straw Single Net 1.93 2.43 up to 12 Yes AEC Premier Straw SN QM (White Net) 1.93 2.43 up to 3 Yes AEC Premier Straw/Coconut 2.2 3.13 up to 24 Yes Curlex Enforcer (Unvegetated) 2.8 5.09 Permanent Yes Curlex Enforcer (Vegetated) 4.91 15.7 Permanent Yes Curlex High Velocity (HV) 2.8 5.09 36+ Yes 66a-'-' Curlex l 2.05 2.74 UA to 18 Yes Curlex I CL 1.96 2.51 up to 15 Yes Curlex I CL QuickMow (White Net) 1.96 2.51 up to 3 Yes Curlex I QuickMow (White Net) 2.05 2.74 up to 3 Yes Curlex 11 2.33 3.53 up to 24 Yes Curlex II .98 2.46 3.92 up to 30 N/A Curlex 11 CL 2.08 2.82 up to 18 Yes Curlex 11 CL QuickMow (White Net) 2.08 2,82 up to 3 Yes Curlex II QuickMow, (White Net) 2.33 3.53 up to 3 Yes Curlex 111 2.46 3.92 up to 36 Yes Curlex NetFree 1.55 1,57 up to 18 Yes Recyclex TRM (Unvegetated) 2.85 5.3 Permanent Yes Recyclex TRM (Vegetated) 5A5 17.2 Permanent Yes Recyclex TRM-V (Unvegetated) 2.83 5.2 Permanent Yes Recyclex TRM-V (Vegetated) 4.39 12.5 Permanent Yes TriNet Coconut (Unvegetated) 2.78 5.02 Permanent N/A TriNet Coconut (Vegetated) 5.38 18.8 Permanent N/A TriNet Curlex (Unvegetated) 2.78 5.02 Permanent N/A TriNet Curlex (Vegetated) 5.6 20.4 Permanent N/A TriNet Recyclex (Unvegetated) 2.78 5.02 Premanent N/A TriNet Recyclex (Vegetated) 5.81 21.9 Permanent N/A TriNet Straw/Coconut (Unvegetated) 2.78 5.02 Permanent N/A TriNet Straw/Coconut (Vegetated) 4.91 15.7 Permanent N/A Mar 271h, 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:1 V]: 3 Bottom Width (B) [ft]: 2 Bend Coefficient (Kb): 1 Hydraulic Results Depth [ft]: 0.37 Froude: 1.32 Project Information Designers Name: Kevin Garton American _ Excelsior Company° lw Earth Science Division 3/27/19 Left Manning's n-Value (Nl): 0.032 Right -Side Slope (Zr) [H:1 V]: 3 Bed Slope (S) [ft/ft]: 0.0415 Design Discharge (Q) [ft3/sec]: 4.498 O,o (0.45)(1.42 ac) (7.04 in/hr) Velocity [ft/sec]: 3.9 Shear [lb/ft']: 0.959 Designers Title: engineer Designers Organization: Engineering Consulting �TA, Project Name: Snow Camp Mine Project Number: 2190335 i Project Location (City, State): Alamance County, North Carolina Project Segment: Access Road (East Side) 8-i-50 to 4fidV Applications(s): Project Description: Project Bid Date: -- Project Start Date: -- Mar 27th, 2019 WW W.EROSIONWORKS.COM Trapezoidal Channel Analysis Result TriNet Curlex (Vegetated) American ddbh 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 Mar 271h, 2019 WWW.EROSIONWORKS.COM Rolled Erosion Control Products Velocity Shear Stress Functional Longevity DOT Approved AEC Premier Coconut 1.92 2.35 (months) up to 36 (for channels) Yes AEC Premier Straw DN QM (White Net) 1.7 1.82 up to 3 Yes AEC Premier Straw Double Net 1.7 1.82 up to 12 Yes AEC Premier Straw Single Net 1.6 1.62 up to 12 Yes AEC Premier Straw SN QM (White Net) 1.6 1.62 up to 3 Yes AEC Premier Straw/Coconut 1.81 2.09 up to 24 Yes Curlex Enforcer (Unvegetated) 2.31 3.39 Permanent Yes Curlex Enforcer (Vegetated) 4.06 10.4 Permanent Yes Curlex High Velocity (HV) 2.31 3,39 36+ Yes Curlex 1 1.7 1.82 up to 18 Yes Curlex I CL 1.62 1.67 up to 15 Yes Curlex I CL QuickMow (White Net) 1.62 1.67 up to 3 Yes Curlex I QuickMow (White Net) 1.7 1.82 up to 3 Yes Curlex II 1,92 2.35 up to 24 Yes Curlex 11 .98 2.03 2.61 up to 30 N/A Curlex 11 CL 1.72 1.88 up to 18 Yes Curlex II CL QuickMow (White Net) 1.72 1.88 up to 3 Yes Curlex 11 QuickMow (White Net) 1.92 2.35 up to 3 Yes Curlex 111 2.03 2.61 up to 36 Yes Curlex NetFree 1.28 1.04 up to 18 Yes Recyclex TRM (Unvegetated) 2.36 3.52 Permanent Yes Recyclex TRM (Vegetated) 4.26 11.5 Permanent Yes Recyclex TRM-V (Unvegetated) 2.34 3.46 Permanent Yes Recyclex TRM-V (Vegetated) 3.63 8.34 Permanent Yes TriNet Coconut (Unvegetated) 2.3 3.34 Permanent N/A TriNet Coconut (Vegetated) 4.44 12.5 Permanent N/A TriNet Curlex (Unvegetated) 2.3 3.34 Permanent N/A TriNet Curlex (Vegetated) 4.63 13.6 Permanent N/A TriNet Recyclex (Unvegetated) 2.3 3.34 Premanent N/A TriNet Recyclex (Vegetated) 48 14.6 Permanent N/A TriNet Straw/Coconut (Unvegetated) 2.3 3.34 Permanent N/A TriNet Straw/Coconut (Vegetated) 4.06 10.4 Permanent N/A Mar 27th, 2019 W W W. EROSION WORKS.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 (ZI) [H:1 V]: 3 Bottom Width (B) [ft]: 2 Bend Coefficient (Kb): 1 Hydraulic Results Depth [ft]: 0.414 Froude: 2.19 Project Information Designers Name: Andrew Cheek Designers Organization: LaBella Project ANwiibcr-- CGEs PWO' , L? �&457-51-0 Project 5egm cnt�_7y_/ Y#,O D a Project Description: u �r Project Start Date: -- American Excelsior Company® mw Earth Science Division 4/19/19 ATC Left Manning's n-Value (Nl): 0.032 Right -Side Slope (Zr) [H:1 V]: 3 Bed Slope (S) [ft/ft]: 0.1097 Design Discharge (Q) [ft'/sec]: 9.09 Q,o=(0.45)(7.04in/hr)(2.87 Ac) Velocity [ft/sec]: 6.78 Shear [lb/ft2]: 2.83 Designers Title: engineer Project Name: Snow Camp Mine Project Location (City, State): Alamance County, North Carolina Applications(s): Project Bid Date: -- Apr 19th, 2019 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 Apr 19th, 2019 WW W.EROSIONWORKS.COM M Rolled Erosion Control Products Velocity Shear Stress Functional Longevity DOT Approved AEC Premier Coconut 1.13 (months) 0.795 up to 36 (for channels) Yes AEC Premier Straw DN QM (White Net) 0.995 0.618 up to 3 Yes AEC Premier Straw Double Net 0.995 0 618 up to 12 Yes AEC Premier Straw Single Net 0.936 0.548 up to 12 Yes AEC Premier Straw SN QM (White Net) 0.936 0.548 up to 3 Yes AEC Premier Straw/Coconut 1.06 0.707 up to 24 Yes Curlex Enforcer (Unvegetated) 1.36 1.15 Permanent Yes Curlex Enforcer (Vegetated) 2.38 3.53 Permanent Yes S� Curex High Velocity (HV) 1.36 1.15 36+ Yes Curlex 1 0,995 0.618 up to 18 Yes Curlex I CL 0.951 0.565 up to 15 Yes Curlex I CL QuickMow (White Net) 0.951 0.565 up to 3 Yes Curlex I QuickMow (White Net) 0.995 0.618 up to 3 Yes ' Curlex If 1.13 0.795 up to 24 Yes Curlex II .98 1.19 0.883 up to 30 NIA Curlex II CL 1.01 0.636 up to 18 Yes Curlex II CL QuickMow (White Net) 1.01 0.636 up to 3 Yes Curlex II QuickMow (White Net) 1.13 0.795 up to 3 Yes Curlex III 1.19 0.883 up to 36 Yes Curlex NetFree 0.752 0.353 up to 18 Yes Recyclex TRM (Unvegetated) 1.38 1.19 Permanent Yes Recyclex TRM (Vegetated) 2.49 3.89 Permanent Yes Recyclex TRM-V (Unvegetated) 1,37 1.17 Permanent Yes Recyclex TRM-V (Vegetated) 2,13 2.83 Permanent Yes TriNet Coconut (Unvegetated) 1,35 1.13 Permanent N/A TriNet Coconut (Vegetated) 2.61 4.24 Permanent N/A TriNet Curlex (Unvegetated) 1.35 1.13 Permanent N/A TriNet Curlex (Vegetated) 2.71 4.59 Permanent NIA TriNet Recyclex (Unvegetated) 1.35 1,13 Premanent N.!A TriNet Recyclex (Vegetated) 2.81 4.95 Permanent NIA TriNet Straw/Coconut (Unvegetated) 1.35 1.13 Permanent N/A TriNet Straw/Coconut (Vegetated) 2.38 3.53 Permanent N/A Apr 19th, 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:1 V]: 3 Bottom Width (B) [ft]: 2 Bend Coefficient (Kb): 1 Hydraulic Results Depth [ft]: 0.417 Froude: 1.51 Project Information Designers Name: Andrew Cheek American Excelsior Company° qw Earth Science Division 4/19/19 ATC Left Manning's n-Value (Nl): 0.032 Right -Side Slope (Zr) [H:1 V]: 3 Bed Slope (S) [ft/ft]: 0.0533 Design Discharge (Q) [ft'/sec]: 6.40 Q,o=(0.45)(7.04in/hr)(2.02 Ac) Velocity [ft/sec]: 4.71 Shear [lb/ft2]: 1.39 Designers Title: engineer Designers Organization: LaBella Project Name: Snow Camp Mine Project Number: 2190335 Project Location (City, State): Alamance County, North Carolina see ASS p p�rwE���4� Project Segment: Applications(s): 5 j LA{-&Q 1-b sfa E� Project Descriptli'.7 : f3&4Wf'A— Project Bid Date: -- Project Start Date: -- Apr 19th, 2019 W W W.EROSIONW ORKS.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 Apr 19th, 2019 WWW.EROSIONWORKS.COM Rolled Erosion Control Products Velocity Shear Stress Functional Longevity DOT Approved AEC Premier Coconut 1.63 1.62 (months) up to 36 (for channels) Yes AEC Premier Straw DN QM (White Net) 1.43 1.26 up to 3 Yes AEC Premier Straw Double Net 1.43 1.26 up to 12 Yes AEC Premier Straw Single Net 1.35 1.12 up to 12 Yes AEC Premier Straw SN QM (White Net) 1.35 1.12 up to 3 Yes AEC Premier Straw/Coconut 1.53 1.44 1 up to 24 Yes Curlex Enforcer (Unvegetated) 1.95 2.34 Permanent Yes Curlex Enforcer (Vegetated) 3.43 7.19 Permanent Yes Curlex High Velocity (HV) 1.95 2.34 36+ Yes Curlex 1 1.43 1.26 up to 18 Yes Curlex I CL 1.37 1.15 up to 15 Yes Curlex I CL QuickMow (White Net) 1.37 1.15 up to 3 Yes Curlex I QuickMow (White Net) 1.43 1.26 up to 3 Yes Curlex 11 1.63 1.62 up to 24 Yes Curlex 11.98 1.71 1.8 up to 30 N/A Curlex 11 CL 1.45 1.29 up to 18 Yes Curlex II CL QuickMow (White Net) 1.45 1.29 up to 3 Yes Curlex II QuickMow (White Net) 1.63 1.62 up to 3 Yes Curlex 111 1.71 1.8 up to 36 Yes Curlex NetFree 1.08 0.719 up to 18 Yes Recyclex TRM (Unvegetated) 1.99 2-43 Permanent Yes Recyclex TRM (Vegetated) 3.59 7.91 Permanent Yes Recyclex TRM-V (Unvegetated) 1.97 2.39 Permanent Yes Recyclex TRM-V (Vegetated) 3.07 5.76 Permanent Yes TriNet Coconut (Unvegetated) 1.94 2.3 Permanent N/A TriNet Coconut (Vegetated) 3.75 8.63 Permanent N/A TriNet Curlex (Unvegetated) 1.94 2.3 Permanent N/A TriNet Curlex (Vegetated) 3.91 9.35 Permanent N/A TriNet Recyclex (Unvegetated) 1.94 2.3 Premanent N/A TriNet Recyclex (Vegetated) 4.06 10.1 Permanent N/A TriNet Straw/Coconut (Unvegetated) 1.94 2.3 Permanent N/A TriNet Straw/Coconut (Vegetated) 3.43 7.19 Permanent N/A Apr 19th, 2019 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 (ZI) [H:1 V]: 3 Bottom Width (B) [ft]: 2 Bend Coefficient (Kb): 1 Hydraulic Results Depth [ft]: 0.346 Froude: 2.17 Project Information Designers Name: Andrew Cheek American _ Excelsior Company qw Earth Science Division 4/19/19 ATC Left Manning's n-Value (Nl): 0.032 Right -Side Slope (Zr) [H:1 V]: 3 Bed Slope (S) [ft/ft]: 0.1155 Design Discharge (Q) [ft'/sec]: 6.56 Q1o=(0.45)(7.04in/hr)(2.07 Ac) Velocity [ft/sec]: 6.25 Shear [lb/ft']: 2.49 Designers Title: engineer Designers Organization: LaBella Project Name: Snow Camp Mine Project Number: 2190335 Rum Project Location (City, State): Alamance County, North Carolina gment: ,!' (Sr srnE) Project Se'Iq Applications(s): Project Description: + Project Bid Date: -- Project Start Date: -- Apr 19th, 2019 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 Apr 19th, 2019 WW W.EROSIONWORKS.COM 1 AEC Premier Coconut 1.19 0.904 up to 36 AEC Premier Straw DN QM (White Net) i 1.05 0.703 up to 3 AEC Premier Straw Double Net 1.05 0.703 up to 12 AEC Premier Straw Single Net 0.986 0.622 up to 12 AEC Premier Straw SN QM (White Net) 0.986 0.622 up to 3 AEC Premier Straw/Coconut 1.12 0.803 up to 24 Curlex Enforcer (Unvegetated) 1.43 1.31 Permanent Curlex Enforcer (Vegetated) 2.5 4.02 Permanent Curlex High Velocity (HV) 1.43 1.31 36+ Curlex 1 1.05 0.703 up to 18 Curlex I CL 1 0,643 up to 15 Curex I CL QuickMow (White Net) 1 0.643 up to 3 Curlex I QuickMow (White Net) 1.05 0.703 up to 3 Curlex II 1.19 0.904 up to 24 Curlex II .98 1.25 1 up to 30 Curlex II CL 1.06 0.723 up to 18 Curlex II CL QuickMow (White Net) 1.06 0.723 up to 3 Curlex I10uickMow (White Net) 1.19 0.904 up to 3 cure. III 1.25 1 up to 36 Curlex NetFree 0.792 0.402 up to 18 Recyclex TRM (Unvegetated) 1.46 1.36 Permanent Recyclex TRM (Vegetated) 2.63 4.42 Permanent Recyclex TRM-V (Unvegetated) 1.44 1.33 Permanent Recyclex TRM-V (Vegetated) 2.24 3.21 Permanent TriNet Coconut (Unvegetated) 1.42 1.29 Permanent TriNet Coconut (Vegetated) 2.74 4.82 Permanent TriNet Curlex (Unvegetated) 1.42 1.29 Permanent TriNet Curlex (Vegetated) 2.85 5.22 Permanent TriNet Recyclex (Unvegetated) 1.42 1.29 Premanent TriNet Recyclex (Vegetated) 2.96 5.62 Permanent TriNet Straw/Coconut(Unvegetated) 1.42 1.29 Permanent TriNet Straw/Coconut (Vegetated) 2.5 4.02 Permanent Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes NIA Yes Yes Yes Yes Yes Yes Yes Yes Yes NIA NIA NIA NIA WA NIA NIA NIA Apr 19th, 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): 0.05 Left -Side Slope (Zl) [H:1V]: 2 Bottom Width (B) [ft]: 3 Bend Coefficient (Kb): 1 Hydraulic Results Depth [ft]: 0.544 Froude: 1.45 Project Information Designers Name: Kevin Garton Designers Organization: Engineering Consulting Project Number: 2190335 Project Segment: SK #8 to Strcmm 7 �` Project Description: Project Start Date: -- American glob Excelsior Company Earth Science Division 3/27/19� Left Manning's n-Value (Nl): 0.05 Right -Side Slope (Zr) [H:1 V]: 2 Bed Slope (S) [ft/ft]: 0.0693 Design Discharge (Q) [ft'/sec]: 11.98 Q„=(0.35)(4.86 Ac)(7.04 in/hr) Velocity [ft/sec]: 5.38 Shear [lb/ftz]: 2.35 Designers Title: engineer Project Name: Snow Camp Mine Project Location (City, State): Alamance County, North Carolina Applications(s): Project Bid Date: -- Mar 27th, 2019 WW W.EROSIONWORKS.COM Trapezoidal Channel Analysis Result American Afth 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 Mar 27th, 2019 +NW W.EROSION WORKS.COM AEC Premier Coconut 1.19 0.957 4 up to 36 Yes AEC Premier Straw DN QM (White Net) 1.05 0.745 up to 3 Yes AEC Premier Straw Double Net 1.05 0.745 up to 12 Yes AEC Premier Straw Single Net 0.986 0.66 up to 12 Yes AEC Premier Straw SN QM (White Net) 0.986 0.66 up to 3 Yes AEC Premier Straw/Coconut 1.12 0.851 up to 24 Yes Curlex Enforcer (Unvegetated) 1.43 1.38 Permanent Yes Curlex Enforcer (Vegetated) 2.51 4.26 Permanent Yes Curlex High Velocity (HV) 1.43 1 1.38 36+ Yes Curlex 1 1.05 0.745 up to 18 Yes Curlex I CL 1 0.681 up to 15 Yes Curlex I CL QuickMow (White Net) 1 0.681 up to 3 Yes Curlex I QuickMow (White Net) 1.05 0.745 up to 3 Yes Curlex II 1.19 0.957 up to 24 Yes Curlex 11,98 1.25 1.06 up to 30 NIA Curlex II CL 1.06 0.766 up to 18 Yes Curlex II CL QuickMow (White Net) 1.06 0.766 up to 3 Yes 1 Curlex II QuickMow (White Net) 1.19 0.957 up to 3 Yes vp fa es Curlex NetFree 0.792 0.426 up to 18 Yes 1�1t Recyclex TRM (Unvegetated) 1.46 1.44 Permanent Yes rl �t Recyclex TRM (Vegetated) 2.63 4.68 Permanent Yes Recyclex TRM-V (Unvegetated) 1.44 1.41 Permanent Yes Recyclex TRM-V (Vegetated) 2.24 3.4 Permanent Yes TriNet Coconut (Unvegetated) 1.42 1.36 Permanent N/A TriNet Coconut (Vegetated) 2.74 5.11 Permanent N/A TriNet Curlex (Unvegetated) 1.42 1.36 Permanent N/A TriNet Curlex (Vegetated) 2.86 5.53 Permanent N/A TriNet Recyclex (Unvegetated) 1.42 1.36 Premanent N/A TriNet Recyclex (Vegetated) 2.96 5.96 Permanent N/A TriNet Straw/Coconut (Unvegetated) 1.42 1.36 Permanent N/A TriNet Straw/Coconut (Vegetated) 2.51 4.26 Permanent N/A Mar 27th, 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:1 V]: 3 Bottom Width (B) [ft]: 2 Bend Coefficient (Kb): 1 Hydraulic Results Depth [ft]: 0.187 Froude: 1.72 Project Information Designers Name: Kevin Garton American Excelsior Company" qw Earth Science Division 3/27/19 Left Manning's n-Value (Nl): 0.032 Right -Side Slope (Zr) [H:1 V]: 3 Bed Slope (S) [ft/ft]: 0.085 Design Discharge (Q) [ft3/sec]: 1.83 Q,o 0.45(0.58 Ac)(7.04 in/hr) VeIociry [ft/sec]: 3.83 Shear [lb/ft'],. 0.99 Designers Title: engineer Designers Organization: Engineering Consulting Project Name: Snow Camp Mine Project Number: 2190335 ST* Project Location (City, State): Alamance County, North Carolina 704-.a a Project Segment: Access Road (East Side) 17+50 to pplications(s): Prcjwt Dcscriptinn: Project Bid Date: -- Project Start Date: -- Mar 27th, 2019 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 Mar 27th, 2019 WW W.EROSIONWORKS.COM AEC Premier Coconut 1.75 2.27 AEC Premier Straw DIN QM (White Net) 1.54 1.77 AEC Premier Straw Double Net 1.54 1.77 AEC Premier Straw Single Net 1.45 1.57 AEC Premier Straw SN QM (White Net) 1.45 1.57 AEC Premier Straw/Coconut 1.65 2.02 Curlex Enforcer (Unvegetated) 2.1 3.28 Curlex Enforcer (Vegetated) 3.69 10.1 Curlex High Velocity (HV) 2.1 3.28 up to 36 upto3 up to 12 up to 12 upto3 up to 24 Permanent Permanent 36+ up to I-&- Curlex I CL 1.47 1.62 up to 15 Curlex I CL QuickMow (White Net) 1.47 1.62 up to 3 Curlex I QuickMow (White Net) 1.54 1.77 up to 3 Curlex II 1.75 2.27 up to 24 Curlex 11.98 1.84 2.53 up to 30 Curlex 11 CL 1.56 1.82 up to 18 Curlex 11 CL QuickMow (White Net) 1.56 1.82 up to 3 Curlex 11 QuickMow (White Net) 1.75 2.27 up to 3 % �'e Curlex III 1.84 1.17 up to 36 Curlex NetFree 1.01 up to 18 Recyclex TRM (Unvegetated) 214 3.41 Permanent Recyclex TRM (Vegetated) 3.87 11.1 Permanent Recyclex TRM-V (Unvegetated) 2.12 3.35 Permanent Recyclex TRM-V (Vegetated) 3.3 8.08 Permanent TriNet Coconut (Unvegetated) 2.09 3.23 Permanent TriNet Coconut (Vegetated) 4.04 12.1 Permanent TriNet Curlex (Unvegetated) 2.09 3.23 Permanent TriNet Curlex (Vegetated) 4.2 13.1 Permanent TriNet Recyclex (Unvegetated) 2.09 3.23 Premanent TriNet Recyclex (Vegetated) 4.36 14.1 Permanent TriNet Straw/Coconut (Unvegetated) 2.09 3.23 Permanent TriNet Straw/Coconut (Vegetated) 3.69 10.1 Permanent Yes Yes Yes Yes Yes Yes Yes Yes Yes ►'es Yes Yes Yes Yes N/A Yes Yes Yes Yes r Yes Yes Yes Yes Yes N/A N/A N/A N/A N/A N/A N/A N/A Mar 27th, 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:1 V]: 3 Bottom Width (B) [ft]: 2 Bend Coefficient (Kb): 1 Hydraulic Results Depth [ft]: 0.303 Froude: 2.15 Project Information American gift Excelsior Company qw Earth Science Division 4/19/19 ATC Left Manning's n-Value (Nl): 0.032 Right -Side Slope (Zr) [H:1 V]: 3 Bed Slope (S) [ft/ft]: 0.1144 Design Discharge (Q) [ft3/sec]: 5.16 Q,o=(0.45)(7.04in/hr)(1.63 Ac) Velocity [ft/sec]: 5.86 Shear [lb/ft']: 2.16 Designers Name: Andrew Cheek Designers Title: engineer Designers Organization: LaBella Project Name: Snow Camp Mine Project Number: 2190335 roject Location (City, State): Alamance County, North Carolina ��lJ�WElrsr��� Project Segment: F&-ry S� ►J4 /3t'f rr-;*ZrApplications(s): Project Description: s '1db Project Bid Date: -- Project Start Date: -- Apr 19th, 2019 W W W.EROSIONWORKS.COM Trapezoidal Channel Analysis Result American Excelsior Company Earth Science Division Best TriNet Coconut (Vegetated) TriNet Curlex (Vegetated) r 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 Apr 19th, 2019 W W W.EROSIONWORKS.COM AEC Premier Coconut 1.24 1.04 up to 36 Yes AEC Premier Straw DN QM (White Net) 1.09 0.81 up to 3 Yes AEC Premier Straw Double Net 1.09 0.81 up to 12 Yes AEC Premier Straw Single Net 1.03 0.718 up to 12 Yes AEC Premier Straw SN QM (White Net) 1.03 0.718 up to 3 Yes AEC Premier Straw/Coconut 1.17 0.926 up to 24 Yes Curlex Enforcer (Unvegetated) 1.49 1.5 Permanent Yes Curlex Enforcer (Vegetated) 2.61 4.63 Permanent Yes Curlex High Velocity (HV) 1.49 1.5 36+ Yes Curlex 1 1.09 0.81 up to 18 Yes Curlex I CL 1.04 0.741 up to 15 Yes Curlex I CL QuickMow (White Net) 1.04 0.741 up to 3 Yes Curlex I QuickMow (White Net) 1.09 0.81 up to 3 Yes ---•- L. - lam- --- I - v « %,- - - - - - Curlex II .98 1.31 1.16 up to 30 N/A Curlex II CL 1.11 0,833 III up to 18 Yes Curlex II CL QuickMow (White Net) 1.11 0.833 up to 3 Yes rle I QuickMow (White Net) 1.24 1-04 up to 3 Yes CSC S'e. Curlex 111 1.31 4 1.16 up to 36 Yes / �� A- �� urlex NetFree 0.826 0.463 up to 18 Yes Recyclex TRM (Unvegetated) 1.52 1-56 Permanent Yes Recyclex TRM (Vegetated) 2.74 5.09 Permanent Yes Recyclex TRM-V (Unvegetated) 1.51 1.54 Permanent Yes Recyclex TRM-V (Vegetated) 2.34 3.7 Permanent Yes TriNet Coconut (Unvegetated) 1.48 1.48 Permanent N/A TriNet Coconut (Vegetated) 2.86 5.56 Permanent N/A TriNet Curlex (Unvegetated) 1.48 1.48 Permanent N/A TriNet Curlex (Vegetated) 2.98 6.02 Permanent N/A TriNet Recyclex (Unvegetated) 1.48 1.48 Premanent N/A TriNet Recyclex (Vegetated) 3.09 6.48 Permanent N/A TriNet Straw/Coconut (Unvegetated) 1.48 1.48 Permanent N/A TriNet Straw/Coconut (Vegetated) 2.61 4.63 Permanent N/A Apr 19th, 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:1 V]: 2 Bottom Width (B) [ft]: 3 Bend Coefficient (Kb): 1 Hydraulic Results Depth [ft]: 0.619 Froude: 0.855 Project Information American difth Excelsior Company" Earth Science Division 3/27/19� C/ Left Manning's n-Value (Nl): 0.032 Right -Side Slope (Zr) [H:1 V]: 2 Bed Slope (S) [ft/ft]: 0.015 Design Discharge (Q) [ft3/sec]: 8.82 0=0.35 (7.04 in/hr)(3.58 Ac) Velocity [ft/sec]: 3.36 Shear [lb/ftz]: 0.58 Designers Name: Kevin Garton Designers Title: engineer Designers Organization: Engineering Consulting Project Name: Snow Camp Mine Project Number: 2190335 Project Location (City, State): Alamance County, North Carolina Project Segment: SK #11 to Outfall CSIrr�.n auk' Applications(s): Project Description: Project Bid Date: -- Project Start Date: -- Mar 27th, 2019 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 Mar 27th, 2019 WW W,EROSIONWORKS.COM AEC Premier Coconut 2.43 3.88 up to 36 Yes AEC Premier Straw DN QM (White Net) 2.15 3.02 up to 3 I Yes AEC Premier Straw Double Net 2.15 3.02 up to 12 Yes AEC Premier Straw Single Net 2.02 2.67 up to 12 I Yes AEC Premier Straw SN QM (White Net) 2.02 2.67 j up to 3 Yes AEC Premier Straw/Coconut 2.29 3.45 up to 24 Yes Curlex Enforcer (Unvegetated) 2.93 5.6 Permanent Yes Curlex Enforcer (Vegetated) 5.13 17.2 Permanent Yes Curlex High Velocity (HV) 2.93 5.6 36+ Yes Curlex 1 2-15 3.02 up to 18 Yes Curlex I CL 2.05 2.76 up to 15 Yes Curlex I CL QuickMow (White Net) 2.05 2.76 up to 3 Yes Curlex I QuickMow (White Net) 2.15 3.02 up to 3 Yes Curlex II 2.43 3.88 up to 24 Yes Curlex II .98 2.57 4.31 up to 30 N/A Curlex II CL 2.18 3.1 up to 18 Yes Curlex II CL QuickMow (White Net) 2.18 3.1 up to 3 Yes Curlex II QuickMow (White Net) I 2.43 3.88 up to 3 Yes Curlex III 2.57 4.31 up to 36 Yes `j Curlex NetFree I 1.62 1 J2 up to 18 Yes Recyclex TRM (Unvegetated) 2.98 5.83 Permanent Yes Recyclex TRM (Vegetated) 5.38 19 Permanent Yes Recyclex TRM-V (Unvegetated) 2.96 5.72 Permanent Yes Recyclex TRM-V (Vegetated) 4.59 13.8 Permanent Yes TriNet Coconut (Unvegetated) 2.9 5.52 Permanent N/A TriNet Coconut (Vegetated) 5.62 20.7 Permanent N/A TriNet Curlex (Unvegetated) 2.9 5.52 Permanent N/A TriNet Curlex (Vegetated) 5.85 22.4 Permanent N/A TriNet Recyclex (Unvegetated) 2.9 5.52 Premanent N/A TriNet Recyclex (Vegetated) 6.07 24.1 Permanent N/A TriNet Straw/Coconut (Unvegetated) 2.9 5.52 Permanent N/A TriNet Straw/Coconut (Vegetated) 5.13 17.2 Permanent N/A Mar 27th, 2019 WWW.EROSIONWORKS COM