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HomeMy WebLinkAboutWPO200500006 Calculations 2004-12-13 ..jam t� .!1 VIM ,...�^.R " '• t' ... e_.' yR.:ac.�� _—. �..—. — --- �ate• _ �! �— .�_ CRUTCHFIELD CORPORATION ENGINEERING CALCULATIONS County of Albemarle, Virginia eivk 61/111) Prepared for : The Crutchfield Corporation 1 Crutchfield Place Charlottesville , Virginia 22911 Prepared by. 1M, The Cox Company 220 East High Street Ii \ — L i j d; Frj_ Charlottesville, Virginia 22902 December 13, 2004 DEC 1 - 2004 5f1��1j OW71 I r'r ''r� 1 {"Jani9.77;'.Y d O. , STORM SCHEDULE Structure No. Inlet Type Top Invert In Invert Out Note 1 ES-1 582.50 - 581.00 18" 2 DI-3B, 6' 588.00 581.50 581.70 w/ Filterra 3 DI-3B, 6' 592.30 586.80 586.60 w/ Filterra 4 DI-3B, 6' 592.00 - 588.00 w/ Filterra 5 ES-1 584.50 - 583.00 18" 6 DI-2B, 6' 590.00 584.20 584.00 - 7 DI-3C, 6' 593.90 588.20 588.00 - 8 DI-3B, 6' 594.00 - 590.00 - 8 DI-3B, 12' 567.59 - 562.50 - 9 ES-1 583.50 - 581.50 24" 10 DI-1 588.50 583.20 583.00 Existing (Adjust) 11 DI-3B, 6' 590.00 584.00 (24") 583.80 - - - 584.00 (18") - - 12 DI-3B, 6' 590.00 584.70 584.50 - 13 DI-1 591.50 585.60 585.40 Existing (Adjust) 14 DI-3C, 6' 592.60 587.00 586.80 - 15 DI-3C, 6' 592.90 - 588.50 - 16 DI-2B, 6' 591.40 585.60 585.40 - 586.60 17 DI-2B, 6' 591.60 - 587.00 - 18 DI-2B, 6' 592.00 587.60 587.40 - 19 DI-2B, 6' 592.00 587.90 587.70 - 20 DI-3C, 6' 592.50 - 588.50 - 21 DI-7 571.00 567.30 565.90 Remove Ex. ES-1 22 MH-1 572.00 568.00 567.80 Remove Ex. ES-1 . User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 08 :43 : Network: 01 - Page : 1 Storm Sewers Detail Report PIPE DESCRIPTION: Pipe 1 ----RAINFALL INFORMATION---- Return Period = 10 Year Rainfall File = Albemarle ----PIPE INFORMATION---- Current Pipe = Pipe 1 Downstream Pipe = Outfall Pipe Material = RCP Pipe Length = 46 . 27 ft Plan Length = 48 . 27 ft Pipe Type = Circular Pipe Dimensions = 18 . 00 in Pipe Manning ' s "n" = 0 . 013 Pipe Capacity at Invert Slope = 8 . 45 cfs Invert Elevation Downstream = 581 . 00 ft Invert Elevation Upstream = 581 . 30 ft Invert Slope = 0 . 65% Invert Slope (Plan Length) = 0 . 62% Rim Elevation Downstream = 582 . 50 ft Rim Elevation Upstream = 588 . 00 ft Natural Ground Slope = 11 . 89% Crown Elevation Downstream = 582 . 50 ft Crown Elevation Upstream = 582 . 80 ft ----FLOW INFORMATION---- Catchment Area = 0 . 16 ac Runoff Coefficient = 0 . 900 Inlet Time = 5 . 00 min Inlet Intensity = 7 . 11 in/hr Inlet Rational Flow = 1 . 05 cfs Inlet Input Flow = 0 . 00 cfs Inlet Hydrograph Flow = 0 . 00 cfs Total Area = 0 . 47 ac Weighted Coefficient = 0 . 900 Total Time of Concentration = 5 . 73 min Total Intensity = 6 . 89 in/hr Total Rational Flow = 2 . 93 cfs Total Flow = 2 . 93 cfs Uniform Capacity = 8 . 45 cfs Skipped flow = 0 . 00 cfs Infiltration = 0 . 00 gpd ----HYDRAULIC INFORMATION---- HGL Elevation Downstream = 581 . 61 ft HGL Elevation Upstream = 581 . 91 ft HGL Slope = 0 . 65 % EGL Elevation Downstream = 581 . 90 ft . User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 08 : 43 : Network: 01 - Page : 2 Storm Sewers Detail Report EGL Elevation Upstream = 582 . 20 ft EGL Slope = 0 . 65 % Critical Depth = 7 . 80 in Depth Downstream = 7 . 31 in Depth Upstream = 7 . 31 in Velocity Downstream = 4 . 35 ft/s Velocity Upstream = 4 . 35 ft/s Uniform Velocity Downstream = 0 . 00 ft/s Uniform Velocity Upstream = 4 . 35 ft/s Area Downstream = 0 . 67 ft^2 Area Upstream = 0 . 67 ft^2 Kj (JLC) = 0 . 50 Calculated Junction Loss = 0 . 000 ft ----INLET INFORMATION---- Downstream Inlet = Outfall 1 Inlet Description = <None> Inlet Type = Undefined Computation Case = Sag Longitudinal Slope = 0 . 00 ft/ft Mannings n-value = 0 . 000 Pavement Cross-Slope = 0 . 00 ft/ft Gutter Cross-Slope = 0 . 00 ft/ft Gutter Local Depression = 0 . 00 in Gutter Width = 0 . 00 ft Ponding Width = 0 . 00 ft Intercept Efficiency = * % Flow from Catchment = 1 . 05 cfs Carryover from previous inlet = 0 . 00 cfs Total Flow to Current Inlet = 1 . 05 cfs Flow Intercepted by Current Inlet = 1 . 05 cfs Bypassed Flow = 0 . 00 cfs Pavement Flow = 0 . 00 cfs Gutter Flow = 0 . 00 cfs Depth at Curb = 0 . 00 in Depth at Pavement/Gutter Joint = 0 . 00 in Pavement Spread = 0 . 00 ft Total Spread = 0 . 00 ft Gutter Velocity = 0 . 00 ft/s Curb Efficiency = * % Grate Efficiency = * % Slot Efficiency = * % Total Efficiency = 100 . 00 % PIPE DESCRIPTION: Pipe 2 ----RAINFALL INFORMATION---- Return Period = 10 Year Rainfall File = Albemarle User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 08 : 43 : Network: 01 - Page : 3 Storm Sewers Detail Report ----PIPE INFORMATION---- Current Pipe = Pipe 2 Downstream Pipe = Pipe 1 Pipe Material = RCP Pipe Length = 96 . 14 ft Plan Length = 100 . 00 ft Pipe Type = Circular Pipe Dimensions = 18 . 00 in Pipe Manning ' s "n" = 0 . 013 Pipe Capacity at Invert Slope = 24 . 18 cfs Invert Elevation Downstream = 581 . 50 ft Invert Elevation Upstream = 586 . 60 ft Invert Slope = 5 . 31% Invert Slope (Plan Length) = 5 . 10% Rim Elevation Downstream = 588 . 00 ft Rim Elevation Upstream = 592 . 30 ft Natural Ground Slope = 4 . 47% Crown Elevation Downstream = 583 . 00 ft Crown Elevation Upstream = 588 . 10 ft ----FLOW INFORMATION---- Catchment Area = 0 . 11 ac Runoff Coefficient = 0 . 900 Inlet Time = 5 . 00 min Inlet Intensity = 7 . 11 in/hr Inlet Rational Flow = 0 . 73 cfs Inlet Input Flow = 0 . 00 cfs Inlet Hydrograph Flow = 0 . 00 cfs Total Area = 0 . 31 ac Weighted Coefficient = 0 . 900 Total Time of Concentration = 5 . 52 min Total Intensity = 6 . 95 in/hr Total Rational Flow = 1 . 93 cfs Total Flow = 1 . 93 cfs Uniform Capacity = 24 . 18 cfs Skipped flow = 0 . 00 cfs Infiltration = 0 . 00 gpd ----HYDRAULIC INFORMATION---- HGL Elevation Downstream = 581 . 79 ft HGL Elevation Upstream = 586 . 89 ft HGL Slope = 5 . 31 % EGL Elevation Downstream = 582 . 83 ft EGL Elevation Upstream = 587 . 93 ft EGL Slope = 5 . 31 % Critical Depth = 6 . 28 in Depth Downstream = 3 . 44 in User Name : Administrator Date : 12-10- Project : Crutchfield Amendment Time : 08 : 43 : Network: 01 - Page : 4 Storm Sewers Detail Report Depth Upstream = 3 . 44 in Velocity Downstream = 8 . 19 ft/s Velocity Upstream = 8 . 19 ft/s Uniform Velocity Downstream = 8 . 19 ft/s Uniform Velocity Upstream = 8 . 19 ft/s Area Downstream = 0 . 24 ft^2 Area Upstream = 0 . 24 ft^2 Kj (JLC) = 0 . 50 Calculated Junction Loss = 0 . 843 ft ----INLET INFORMATION---- Downstream Inlet = MH 2 Inlet Description = <None> Inlet Type = Undefined Computation Case = Sag Longitudinal Slope = 0 . 00 ft/ft Mannings n-value = 0 . 000 Pavement Cross-Slope = 0 . 00 ft/ft Gutter Cross-Slope = 0 . 00 ft/ft Gutter Local Depression = 0 . 00 in Gutter Width = 0 . 00 ft Ponding Width = 0 . 00 ft Intercept Efficiency = * % Flow from Catchment = 0 . 73 cfs Carryover from previous inlet = 0 . 00 cfs Total Flow to Current Inlet = 0 . 73 cfs Flow Intercepted by Current Inlet = 0 . 73 cfs Bypassed Flow = 0 . 00 cfs Pavement Flow = 0 . 00 cfs Gutter Flow = 0 . 00 cfs Depth at Curb = 0 . 00 in Depth at Pavement/Gutter Joint = 0 . 00 in Pavement Spread = 0 . 00 ft Total Spread = 0 . 00 ft Gutter Velocity = 0 . 00 ft/s Curb Efficiency = * % Grate Efficiency = * % Slot Efficiency = * % Total Efficiency = 100 . 00 % PIPE DESCRIPTION: Pipe 3 ----RAINFALL INFORMATION---- Return Period = 10 Year Rainfall File = Albemarle ----PIPE INFORMATION---- Current Pipe = Pipe 3 Downstream Pipe = Pipe 2 User Name : Administrator Date : 12-10- Project: Crutchfield Amendment Time : 08 : 43 : Network: 01 - Page : 5 Storm Sewers Detail Report Pipe Material = RCP Pipe Length = 61 . 46 ft Plan Length = 65 . 45 ft Pipe Type = Circular Pipe Dimensions = 18 . 00 in Pipe Manning ' s "n" = 0 . 013 Pipe Capacity at Invert Slope = 14 . 67 cfs Invert Elevation Downstream = 586 . 80 ft Invert Elevation Upstream = 588 . 00 ft Invert Slope = 1 . 95% Invert Slope (Plan Length) = 1 . 83% Rim Elevation Downstream = 592 . 30 ft Rim Elevation Upstream = 592 . 00 ft Natural Ground Slope = -0 . 49% Crown Elevation Downstream = 588 . 30 ft Crown Elevation Upstream = 589 . 50 ft ----FLOW INFORMATION---- Catchment Area = 0 . 19 ac Runoff Coefficient = 0 . 900 Inlet Time = 5 . 00 min Inlet Intensity = 7 . 11 in/hr Inlet Rational Flow = 1 . 25 cfs Inlet Input Flow = 0 . 00 cfs Inlet Hydrograph Flow = 0 . 00 cfs Total Area = 0 . 19 ac Weighted Coefficient = 0 . 900 Total Time of Concentration = 5 . 00 min Total Intensity = 7 . 11 in/hr Total Rational Flow = 1 . 25 cfs Total Flow = 1 . 25 cfs Uniform Capacity = 14 . 67 cfs Skipped flow = 0 . 00 cfs Infiltration = 0 . 00 gpd ----HYDRAULIC INFORMATION---- HGL Elevation Downstream = 587 . 73 ft HGL Elevation Upstream = 588 . 49 ft HGL Slope = 1 . 24 % EGL Elevation Downstream = 587 . 75 ft EGL Elevation Upstream = 588 . 64 ft EGL Slope = 1 . 45 % Critical Depth = 5 . 01 in Depth Downstream = 11 . 16 in Depth Upstream = 5 . 01 in Velocity Downstream = 1 . 08 ft/s Velocity Upstream = 3 . 10 ft/s Uniform Velocity Downstream = 5 . 06 ft/s User Name : Administrator Date : 12-10- Project : Crutchfield Amendment Time : 08 : 43 : Network: 01 - Page : 6 Storm Sewers Detail Report Uniform Velocity Upstream = 0 . 00 ft/s Area Downstream = 1 . 15 ft^2 Area Upstream = 0 . 40 ft^2 Kj (JLC) = 0 . 50 Calculated Junction Loss = NA ----INLET INFORMATION---- Downstream Inlet = MH 3 Inlet Description = <None> Inlet Type = Undefined Computation Case = Sag Longitudinal Slope = 0 . 00 ft/ft Mannings n-value = 0 . 000 Pavement Cross-Slope = 0 . 00 ft/ft Gutter Cross-Slope = 0 . 00 ft/ft Gutter Local Depression = 0 . 00 in Gutter Width = 0 . 00 ft Ponding Width = 0 . 00 ft Intercept Efficiency = * % Flow from Catchment = 1 . 25 cfs Carryover from previous inlet = 0 . 00 cfs Total Flow to Current Inlet = 1 . 25 cfs Flow Intercepted by Current Inlet = 1 . 25 cfs Bypassed Flow = 0 . 00 cfs Pavement Flow = 0 . 00 cfs Gutter Flow = 0 . 00 cfs Depth at Curb = 0 . 00 in Depth at Pavement/Gutter Joint = 0 . 00 in Pavement Spread = 0 . 00 ft Total Spread = 0 . 00 ft Gutter Velocity = 0 . 00 ft/s Curb Efficiency = * Grate Efficiency = * % Slot Efficiency = * % Total Efficiency = 100 . 00 % User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 08 : 58 : Network: 02 - Page : 1 Storm Sewers Detail Report PIPE DESCRIPTION: Pipe 1 ----RAINFALL INFORMATION---- Return Period = 10 Year Rainfall File = Albemarle ----PIPE INFORMATION---- Current Pipe = Pipe 1 Downstream Pipe = Outfall Pipe Material = RCP Pipe Length = 92 . 14 ft Plan Length = 94 . 13 ft Pipe Type = Circular Pipe Dimensions = 18 . 00 in Pipe Manning ' s "n" = 0 . 013 Pipe Capacity at Invert Slope = 10 . 94 cfs Invert Elevation Downstream = 583 . 00 ft Invert Elevation Upstream = 584 . 00 ft Invert Slope = 1 . 09% Invert Slope (Plan Length) = 1 . 06% Rim Elevation Downstream = 584 . 50 ft Rim Elevation Upstream = 590 . 00 ft Natural Ground Slope = 5 . 97% Crown Elevation Downstream = 584 . 50 ft Crown Elevation Upstream = 585 .50 ft ----FLOW INFORMATION---- Catchment Area = 0 . 36 ac Runoff Coefficient = 0 . 850 Inlet Time = 5 . 00 min Inlet Intensity = 7 . 11 in/hr Inlet Rational Flow = 2 .22 cfs Inlet Input Flow = 0 . 00 cfs Inlet Hydrograph Flow = 0 . 00 cfs Total Area = 0 . 65 ac Weighted Coefficient = 0 . 859 Total Time of Concentration = 7 . 30 min Total Intensity = 6 . 45 in/hr Total Rational Flow = 3 . 62 cfs Total Flow = 3 . 62 cfs Uniform Capacity = 10 . 94 cfs Skipped flow = 0 . 00 cfs Infiltration = 0 . 00 gpd ----HYDRAULIC INFORMATION---- HGL Elevation Downstream = 583 . 59 ft HGL Elevation Upstream = 584 . 59 ft HGL Slope = 1 . 09 % EGL Elevation Downstream = 584 . 07 ft • User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 08 : 58 : Network: 02 - Page : 2 Storm Sewers Detail Report EGL Elevation Upstream = 585 . 07 ft EGL Slope = 1 . 09 % Critical Depth = 8 . 72 in Depth Downstream = 7 . 13 in Depth Upstream = 7 . 13 in Velocity Downstream = 5 . 56 ft/s Velocity Upstream = 5 . 56 ft/s Uniform Velocity Downstream = 0 . 00 ft/s Uniform Velocity Upstream = 5 . 56 ft/s Area Downstream = 0 . 65 ft^2 Area Upstream = 0 . 65 ft^2 Kj (JLC) = 0 . 50 Calculated Junction Loss = 0 . 281 ft ----INLET INFORMATION---- Downstream Inlet = Outfall 5 Inlet Description = <None> Inlet Type = Undefined Computation Case = Sag Longitudinal Slope = 0 . 00 ft/ft Mannings n-value = 0 . 000 Pavement Cross-Slope = 0 . 00 ft/ft Gutter Cross-Slope = 0 . 00 ft/ft Gutter Local Depression = 0 . 00 in Gutter Width = 0 . 00 ft Ponding Width = 0 . 00 ft Intercept Efficiency = * % Flow from Catchment = 2 . 22 cfs Carryover from previous inlet = 0 . 00 cfs Total Flow to Current Inlet = 2 . 22 cfs Flow Intercepted by Current Inlet = 2 . 22 cfs Bypassed Flow = 0 . 00 cfs Pavement Flow = 0 . 00 cfs Gutter Flow = 0 . 00 cfs Depth at Curb = 0 . 00 in Depth at Pavement/Gutter Joint = 0 . 00 in Pavement Spread = 0 . 00 ft Total Spread = 0 . 00 ft Gutter Velocity = 0 . 00 ft/s Curb Efficiency = * % Grate Efficiency = * % Slot Efficiency = * % Total Efficiency = 100 . 00 % PIPE DESCRIPTION: Pipe 2 ----RAINFALL INFORMATION---- Return Period = 10 Year Rainfall File = Albemarle User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 08 : 58 : Network: 02 - Page : 3 Storm Sewers Detail Report ----PIPE INFORMATION---- Current Pipe = Pipe 2 Downstream Pipe = Pipe 1 Pipe Material = RCP Pipe Length = 251 . 79 ft Plan Length = 255 . 76 ft Pipe Type = Circular Pipe Dimensions = 18 . 00 in Pipe Manning' s "n" = 0 . 013 Pipe Capacity at Invert Slope = 12 . 90 cfs Invert Elevation Downstream = 584 . 20 ft Invert Elevation Upstream = 588 . 00 ft Invert Slope = 1 . 51% Invert Slope (Plan Length) = 1 . 49% Rim Elevation Downstream = 590 . 00 ft Rim Elevation Upstream = 593 . 90 ft Natural Ground Slope = 1 . 55% Crown Elevation Downstream = 585 . 70 ft Crown Elevation Upstream = 589 . 50 ft ----FLOW INFORMATION---- Catchment Area = 0 . 16 ac Runoff Coefficient = 0 . 850 Inlet Time = 5 . 00 min Inlet Intensity = 7 . 11 in/hr Inlet Rational Flow = 0 . 99 cfs Inlet Input Flow = 0 . 00 cfs Inlet Hydrograph Flow = 0 . 00 cfs Total Area = 0 . 28 ac Weighted Coefficient = 0 . 871 Total Time of Concentration = 5 . 77 min Total Intensity = 6 . 88 in/hr Total Rational Flow = 1 . 71 cfs Total Flow = 1 .71 cfs Uniform Capacity = 12 . 90 cfs Skipped flow = 0 . 00 cfs Infiltration = 0 . 00 gpd ----HYDRAULIC INFORMATION---- HGL Elevation Downstream = 584 . 88 ft HGL Elevation Upstream = 588 . 49 ft HGL Slope = 1 . 44 % EGL Elevation Downstream = 584 . 95 ft EGL Elevation Upstream = 588 . 67 ft EGL Slope = 1 . 48 % Critical Depth = 5 . 90 in Depth Downstream = 8 . 10 in User Name : Administrator Date : 12-10- Project : Crutchfield Amendment Time : 08 : 58 : Network: 02 - Page : 4 Storm Sewers Detail Report Depth Upstream = 5 . 90 in Velocity Downstream = 2 .22 ft/s Velocity Upstream = 3 . 39 ft/s Uniform Velocity Downstream = 5 . 07 ft/s Uniform Velocity Upstream = 5 . 07 ft/s Area Downstream = 0 . 77 ft^2 Area Upstream = 0 . 50 ft^2 Kj (JLC) = 0 . 50 Calculated Junction Loss = 0 . 245 ft ----INLET INFORMATION---- Downstream Inlet = MH 6 Inlet Description = <None> Inlet Type = Undefined Computation Case = Sag Longitudinal Slope = 0 . 00 ft/ft Mannings n-value = 0 . 000 Pavement Cross-Slope = 0 . 00 ft/ft Gutter Cross-Slope = 0 . 00 ft/ft Gutter Local Depression = 0 . 00 in Gutter Width = 0 . 00 ft Ponding Width = 0 . 00 ft Intercept Efficiency = * % Flow from Catchment = 0 . 99 cfs Carryover from previous inlet = 0 . 00 cfs Total Flow to Current Inlet = 0 . 99 cfs Flow Intercepted by Current Inlet = 0 . 99 cfs Bypassed Flow = 0 . 00 cfs Pavement Flow = 0 . 00 cfs Gutter Flow = 0 . 00 cfs Depth at Curb = 0 . 00 in Depth at Pavement/Gutter Joint = 0 . 00 in Pavement Spread = 0 . 00 ft Total Spread = 0 . 00 ft Gutter Velocity = 0 . 00 ft/s Curb Efficiency = * % Grate Efficiency = * % Slot Efficiency = * % Total Efficiency = 100 . 00 % PIPE DESCRIPTION: Pipe 3 ----RAINFALL INFORMATION---- Return Period = 10 Year Rainfall File = Albemarle ----PIPE INFORMATION---- Current Pipe = Pipe 3 Downstream Pipe = Pipe 2 User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 08 : 58 : Network: 02 - Page : 5 Storm Sewers Detail Report Pipe Material = RCP Pipe Length = 89 . 04 ft Plan Length = 93 . 02 ft Pipe Type = Circular Pipe Dimensions = 18 . 00 in Pipe Manning' s "n" = 0 . 013 Pipe Capacity at Invert Slope = 14 . 93 cfs Invert Elevation Downstream = 588 .20 ft Invert Elevation Upstream = 590 . 00 ft Invert Slope = 2 . 02% Invert Slope (Plan Length) = 1 . 94% Rim Elevation Downstream = 593 . 90 ft Rim Elevation Upstream = 594 . 00 ft Natural Ground Slope = 0 . 11% Crown Elevation Downstream = 589 .70 ft Crown Elevation Upstream = 591 . 50 ft ----FLOW INFORMATION---- Catchment Area = 0 . 12 ac Runoff Coefficient = 0 . 900 Inlet Time = 5 . 00 min Inlet Intensity = 7 . 11 in/hr Inlet Rational Flow = 0 .77 cfs Inlet Input Flow = 0 . 00 cfs Inlet Hydrograph Flow = 0 . 00 cfs Total Area = 0 . 12 ac Weighted Coefficient = 0 . 900 Total Time of Concentration = 5 . 00 min Total Intensity = 7 . 11 in/hr Total Rational Flow = 0 . 77 cfs Total Flow = 0 . 77 cfs Uniform Capacity = 14 . 93 cfs Skipped flow = 0 . 00 cfs Infiltration = 0 . 00 gpd ----HYDRAULIC INFORMATION---- HGL Elevation Downstream = 588 . 74 ft HGL Elevation Upstream = 590 . 38 ft HGL Slope = 1 . 85 % EGL Elevation Downstream = 588 . 77 ft EGL Elevation Upstream = 590 . 50 ft EGL Slope = 1 . 95 % Critical Depth = 3 . 93 in Depth Downstream = 6 . 44 in Depth Upstream = 3 . 93 in Velocity Downstream = 1 . 36 ft/s Velocity Upstream = 2 . 72 ft/s Uniform Velocity Downstream = 4 . 45 ft/s User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 08 : 58 : Network: 02 - Page : 6 Storm Sewers Detail Report Uniform Velocity Upstream = 0 . 00 ft/s Area Downstream = 0 . 57 ft^2 Area Upstream = 0 .28 ft^2 Kj (JLC) = 0 . 50 Calculated Junction Loss = NA ----INLET INFORMATION---- Downstream Inlet = MH 7 Inlet Description = <None> Inlet Type = Undefined Computation Case = Sag Longitudinal Slope = 0 . 00 ft/ft Mannings n-value = 0 . 000 Pavement Cross-Slope = 0 . 00 ft/ft Gutter Cross-Slope = 0 . 00 ft/ft Gutter Local Depression = 0 . 00 in Gutter Width = 0 . 00 ft Ponding Width = 0 . 00 ft Intercept Efficiency = * % Flow from Catchment = 0 . 77 cfs Carryover from previous inlet = 0 . 00 cfs Total Flow to Current Inlet = 0 . 77 cfs Flow Intercepted by Current Inlet = 0 .77 cfs Bypassed Flow = 0 . 00 cfs Pavement Flow = 0 . 00 cfs Gutter Flow = 0 . 00 cfs Depth at Curb = 0 . 00 in Depth at Pavement/Gutter Joint = 0 . 00 in Pavement Spread = 0 . 00 ft Total Spread = 0 . 00 ft Gutter Velocity = 0 . 00 ft/s Curb Efficiency = * % Grate Efficiency = * % Slot Efficiency = * % Total Efficiency = 100 . 00 % User Name: Administrator Date : 12-10- Project: Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 1 Storm Sewers Detail Report PIPE DESCRIPTION: Pipe 1 ----RAINFALL INFORMATION---- Return Period = 10 Year Rainfall File = Albemarle ----PIPE INFORMATION---- Current Pipe = Pipe 1 Downstream Pipe = Outfall Pipe Material = RCP Pipe Length = 73 . 55 ft Plan Length = 75 . 53 ft Pipe Type = Circular Pipe Dimensions = 24 . 00 in Pipe Manning ' s "n" = 0 . 013 Pipe Capacity at Invert Slope = 32 . 29 cfs Invert Elevation Downstream = 581 . 50 ft Invert Elevation Upstream = 583 . 00 ft Invert Slope = 2 . 04% Invert Slope (Plan Length) = 1 . 99% Rim Elevation Downstream = 583 . 50 ft Rim Elevation Upstream = 588 . 50 ft Natural Ground Slope = 6 . 80% Crown Elevation Downstream = 583 . 50 ft Crown Elevation Upstream = 585 . 00 ft ----FLOW INFORMATION---- Catchment Area = 0 . 10 ac Runoff Coefficient = 0 . 500 Inlet Time = 5 . 00 min Inlet Intensity = 7 . 11 in/hr Inlet Rational Flow = 0 . 36 cfs Inlet Input Flow = 0 . 00 cfs Inlet Hydrograph Flow = 0 . 00 cfs Total Area = 1 . 35 ac Weighted Coefficient = 0 . 839 Total Time of Concentration = 7 . 42 min Total Intensity = 6 . 42 in/hr Total Rational Flow = 7 . 34 cfs Total Flow = 7 . 34 cfs Uniform Capacity = 32 . 29 cfs Skipped flow = 0 . 00 cfs Infiltration = 0 . 00 gpd ----HYDRAULIC INFORMATION---- HGL Elevation Downstream = 582 . 15 ft HGL Elevation Upstream = 583 . 65 ft HGL Slope = 2 . 04 % EGL Elevation Downstream = 583 . 22 ft User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 2 Storm Sewers Detail Report EGL Elevation Upstream = 584 . 72 ft EGL Slope = 2 . 04 % Critical Depth = 11 . 55 in Depth Downstream = 7 . 78 in Depth Upstream = 7 . 78 in Velocity Downstream = 8 . 32 ft/s Velocity Upstream = 8 . 32 ft/s Uniform Velocity Downstream = 0 . 00 ft/s Uniform Velocity Upstream = 8 . 32 ft/s Area Downstream = 0 . 88 ft^2 Area Upstream = 0 . 88 ft^2 Kj (JLC) = 0 . 50 Calculated Junction Loss = 0 . 533 ft ----INLET INFORMATION---- Downstream Inlet = Outfall 9 Inlet Description = <None> Inlet Type = Undefined Computation Case = Sag Longitudinal Slope = 0 . 00 ft/ft Mannings n-value = 0 . 000 Pavement Cross-Slope = 0 . 00 ft/ft Gutter Cross-Slope = 0 . 00 ft/ft Gutter Local Depression = 0 . 00 in Gutter Width = 0 . 00 ft Ponding Width = 0 . 00 ft Intercept Efficiency = * % Flow from Catchment = 0 . 36 cfs Carryover from previous inlet = 0 . 00 cfs Total Flow to Current Inlet = 0 . 36 cfs Flow Intercepted by Current Inlet = 0 . 36 cfs Bypassed Flow = 0 . 00 cfs Pavement Flow = 0 . 00 cfs Gutter Flow = 0 . 00 cfs Depth at Curb = 0 . 00 in Depth at Pavement/Gutter Joint = 0 . 00 in Pavement Spread = 0 . 00 ft Total Spread = 0 . 00 ft Gutter Velocity = 0 . 00 ft/s Curb Efficiency = * % Grate Efficiency = * % Slot Efficiency = * % Total Efficiency = 100 . 00 % PIPE DESCRIPTION: Pipe 2 ----RAINFALL INFORMATION---- Return Period = 10 Year Rainfall File = Albemarle User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 3 Storm Sewers Detail Report ----PIPE INFORMATION---- Current Pipe = Pipe 2 Downstream Pipe = Pipe 1 Pipe Material = RCP Pipe Length = 28 . 12 ft Plan Length = 32 . 12 ft Pipe Type = Circular Pipe Dimensions = 24 . 00 in Pipe Manning' s "n" = 0 . 013 Pipe Capacity at Invert Slope = 33 . 03 cfs Invert Elevation Downstream = 583 . 20 ft Invert Elevation Upstream = 583 . 80 ft Invert Slope = 2 . 13% Invert Slope (Plan Length) = 1 . 87% Rim Elevation Downstream = 588 . 50 ft Rim Elevation Upstream = 590 . 00 ft Natural Ground Slope = 5 . 33% Crown Elevation Downstream = 585 . 20 ft Crown Elevation Upstream = 585 . 80 ft ----FLOW INFORMATION---- Catchment Area = 0 . 10 ac Runoff Coefficient = 0 . 900 Inlet Time = 5 . 00 min Inlet Intensity = 7 . 11 in/hr Inlet Rational Flow = 0 . 65 cfs Inlet Input Flow = 0 . 00 cfs Inlet Hydrograph Flow = 0 . 00 cfs Total Area = 1 . 25 ac Weighted Coefficient = 0 . 866 Total Time of Concentration = 7 . 30 min Total Intensity = 6 . 45 in/hr Total Rational Flow = 7 . 04 cfs Total Flow = 7 . 04 cfs Uniform Capacity = 33 . 03 cfs Skipped flow = 0 . 00 cfs Infiltration = 0 . 00 gpd ----HYDRAULIC INFORMATION---- HGL Elevation Downstream = 584 . 18 ft HGL Elevation Upstream = 584 . 74 ft HGL Slope = 2 . 00 % EGL Elevation Downstream = 584 . 51 ft EGL Elevation Upstream = 585 . 11 ft EGL Slope = 2 . 12 % Critical Depth = 11 . 31 in Depth Downstream = 11 . 77 in User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 4 Storm Sewers Detail Report Depth Upstream = 11 . 31 in Velocity Downstream = 4 . 59 ft/s Velocity Upstream = 4 . 84 ft/s Uniform Velocity Downstream = 8 . 36 ft/s Uniform Velocity Upstream = 8 . 36 ft/s Area Downstream = 1 . 53 ft^2 Area Upstream = 1 . 46 ft^2 Kj (JLC) = 0 . 50 Calculated Junction Loss = 0 . 647 ft ----INLET INFORMATION---- Downstream Inlet = MH 10 Inlet Description = <None> Inlet Type = Undefined Computation Case = Sag Longitudinal Slope = 0 . 00 ft/ft Mannings n-value = 0 . 000 Pavement Cross-Slope = 0 . 00 ft/ft Gutter Cross-Slope = 0 . 00 ft/ft Gutter Local Depression = 0 . 00 in Gutter Width = 0 . 00 ft Ponding Width = 0 . 00 ft Intercept Efficiency = * Flow from Catchment = 0 . 65 cfs Carryover from previous inlet = 0 . 00 cfs Total Flow to Current Inlet = 0 . 65 cfs Flow Intercepted by Current Inlet = 0 . 65 cfs Bypassed Flow = 0 . 00 cfs Pavement Flow = 0 . 00 cfs Gutter Flow = 0 . 00 cfs Depth at Curb = 0 . 00 in Depth at Pavement/Gutter Joint = 0 . 00 in Pavement Spread = 0 . 00 ft Total Spread = 0 . 00 ft Gutter Velocity = 0 . 00 ft/s Curb Efficiency = * % Grate Efficiency = * % Slot Efficiency = * % Total Efficiency = 100 . 00 % PIPE DESCRIPTION: Pipe 3 ----RAINFALL INFORMATION---- Return Period = 10 Year Rainfall File = Albemarle ----PIPE INFORMATION---- Current Pipe = Pipe 3 Downstream Pipe = Pipe 2 User Name: Administrator Date : 12-10- Project: Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 5 Storm Sewers Detail Report Pipe Material = RCP Pipe Length = 47 . 19 ft Plan Length = 51 . 19 ft Pipe Type = Circular Pipe Dimensions = 24 . 00 in Pipe Manning ' s "n" = 0 . 013 Pipe Capacity at Invert Slope = 23 . 28 cfs Invert Elevation Downstream = 584 . 00 ft Invert Elevation Upstream = 584 . 50 ft Invert Slope = 1 . 06% Invert Slope (Plan Length) = 0 . 98% Rim Elevation Downstream = 590 . 00 ft Rim Elevation Upstream = 590 . 00 ft Natural Ground Slope = 0 . 00% Crown Elevation Downstream = 586 . 00 ft Crown Elevation Upstream = 586 . 50 ft ----FLOW INFORMATION---- Catchment Area = 0 . 06 ac Runoff Coefficient = 0 . 900 Inlet Time = 5 . 00 min Inlet Intensity = 7 . 11 in/hr Inlet Rational Flow = 0 . 39 cfs Inlet Input Flow = 0 . 00 cfs Inlet Hydrograph Flow = 0 . 00 cfs Total Area = 0 . 35 ac Weighted Coefficient = 0 . 809 Total Time of Concentration = 6 . 37 min Total Intensity = 6 . 70 in/hr Total Rational Flow = 1. 91 cfs Total Flow = 1 . 91 cfs Uniform Capacity = 23 . 28 cfs Skipped flow = 0 . 00 cfs Infiltration = 0 . 00 gpd ----HYDRAULIC INFORMATION---- HGL Elevation Downstream = 585 . 56 ft HGL Elevation Upstream = 585 . 55 ft HGL Slope = -0 . 01 % EGL Elevation Downstream = 585 . 56 ft EGL Elevation Upstream = 585 . 57 ft EGL Slope = 0 . 02 % Critical Depth = 5 . 76 in Depth Downstream = 18 . 67 in Depth Upstream = 12 . 63 in Velocity Downstream = 0 .73 ft/s Velocity Upstream = 1 . 14 ft/s Uniform Velocity Downstream = 5 . 93 ft/s User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 6 Storm Sewers Detail Report Uniform Velocity Upstream = 4 . 47 ft/s Area Downstream = 2 . 62 ft^2 Area Upstream = 1 . 68 ft^2 Kj (JLC) = 0 . 50 Calculated Junction Loss = 0 . 165 ft ----INLET INFORMATION---- Downstream Inlet = MH 11 Inlet Description = <None> Inlet Type = Undefined Computation Case = Sag Longitudinal Slope = 0 . 00 ft/ft Mannings n-value = 0 . 000 Pavement Cross-Slope = 0 . 00 ft/ft Gutter Cross-Slope = 0 . 00 ft/ft Gutter Local Depression = 0 . 00 in Gutter Width = 0 . 00 ft Ponding Width = 0 . 00 ft Intercept Efficiency = * Flow from Catchment = 0 . 39 cfs Carryover from previous inlet = 0 . 00 cfs Total Flow to Current Inlet = 0 . 39 cfs Flow Intercepted by Current Inlet = 0 . 39 cfs Bypassed Flow = 0 . 00 cfs Pavement Flow = 0 . 00 cfs Gutter Flow = 0 . 00 cfs Depth at Curb = 0 . 00 in Depth at Pavement/Gutter Joint = 0 . 00 in Pavement Spread = 0 . 00 ft Total Spread = 0 . 00 ft Gutter Velocity = 0 . 00 ft/s Curb Efficiency = * % Grate Efficiency = * % Slot Efficiency = * % Total Efficiency = 100 . 00 % PIPE DESCRIPTION: Pipe 4 ----RAINFALL INFORMATION---- Return Period = 10 Year Rainfall File = Albemarle ----PIPE INFORMATION---- Current Pipe = Pipe 4 Downstream Pipe = Pipe 3 Pipe Material = RCP Pipe Length = 61 . 66 ft Plan Length = 65 . 66 ft Pipe Type = Circular , User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 7 Storm Sewers Detail Report Pipe Dimensions = 24 . 00 in Pipe Manning' s "n" = 0 . 013 Pipe Capacity at Invert Slope = 24 . 09 cfs Invert Elevation Downstream = 584 . 70 ft Invert Elevation Upstream = 585 . 40 ft Invert Slope = 1 . 14% Invert Slope (Plan Length) = 1 . 07% Rim Elevation Downstream = 590 . 00 ft Rim Elevation Upstream = 591 . 50 ft Natural Ground Slope = 2 . 43% Crown Elevation Downstream = 586 . 70 ft Crown Elevation Upstream = 587 . 40 ft ----FLOW INFORMATION---- Catchment Area = 0 . 05 ac Runoff Coefficient = 0 . 500 Inlet Time = 5 . 00 min Inlet Intensity = 7 . 11 in/hr Inlet Rational Flow = 0 . 18 cfs Inlet Input Flow = 0 . 00 cfs Inlet Hydrograph Flow = 0 . 00 cfs Total Area = 0 . 29 ac Weighted Coefficient = 0 . 790 Total Time of Concentration = 5 . 83 min Total Intensity = 6 . 86 in/hr Total Rational Flow = 1 . 58 cfs Total Flow = 1 . 58 cfs Uniform Capacity = 24 . 09 cfs Skipped flow = 0 . 00 cfs Infiltration = 0 . 00 gpd ----HYDRAULIC INFORMATION---- HGL Elevation Downstream = 585 . 72 ft HGL Elevation Upstream = 585 . 84 ft HGL Slope = 0 . 19 % EGL Elevation Downstream = 585 . 73 ft EGL Elevation Upstream = 585 . 99 ft EGL Slope = 0 . 41 % Critical Depth = 5 . 22 in Depth Downstream = 12 . 21 in Depth Upstream = 5 . 22 in Velocity Downstream = 0 . 99 ft/s Velocity Upstream = 3 . 14 ft/s Uniform Velocity Downstream = 4 . 34 ft/s Uniform Velocity Upstream = 4 . 34 ft/s Area Downstream = 1 . 61 ft^2 Area Upstream = 0 . 50 ft^2 Kj (JLC) = 0 . 50 User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 8 Storm Sewers Detail Report Calculated Junction Loss = 0 . 080 ft ----INLET INFORMATION---- Downstream Inlet = MH 12 Inlet Description = <None> Inlet Type = Undefined Computation Case = Sag Longitudinal Slope = 0 . 00 ft/ft Mannings n-value = 0 . 000 Pavement Cross-Slope = 0 . 00 ft/ft Gutter Cross-Slope = 0 . 00 ft/ft Gutter Local Depression = 0 . 00 in Gutter Width = 0 . 00 ft Ponding Width = 0 . 00 ft Intercept Efficiency = * % Flow from Catchment = 0 . 18 cfs Carryover from previous inlet = 0 . 00 cfs Total Flow to Current Inlet = 0 . 18 cfs Flow Intercepted by Current Inlet = 0 . 18 cfs Bypassed Flow = 0 . 00 cfs Pavement Flow = 0 . 00 cfs Gutter Flow = 0 . 00 cfs Depth at Curb = 0 . 00 in Depth at Pavement/Gutter Joint = 0 . 00 in Pavement Spread = 0 . 00 ft Total Spread = 0 . 00 ft Gutter Velocity = 0 . 00 ft/s Curb Efficiency = * % Grate Efficiency = * % Slot Efficiency = * % Total Efficiency = 100 . 00 % PIPE DESCRIPTION: Pipe 5 ----RAINFALL INFORMATION---- Return Period = 10 Year Rainfall File = Albemarle ----PIPE INFORMATION---- Current Pipe = Pipe 5 Downstream Pipe = Pipe 4 Pipe Material = RCP Pipe Length = 61 . 34 ft Plan Length = 65 . 33 ft Pipe Type = Circular Pipe Dimensions = 18 . 00 in Pipe Manning ' s "n" = 0 . 013 Pipe Capacity at Invert Slope = 14 . 69 cfs Invert Elevation Downstream = 585 . 60 ft , User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 9 Storm Sewers Detail Report Invert Elevation Upstream = 586 . 80 ft Invert Slope = 1 . 96% Invert Slope (Plan Length) = 1 . 84% Rim Elevation Downstream = 591 . 50 ft Rim Elevation Upstream = 592 . 60 ft Natural Ground Slope = 1 . 79% Crown Elevation Downstream = 587 . 10 ft Crown Elevation Upstream = 588 . 30 ft ----FLOW INFORMATION---- Catchment Area = 0 . 11 ac Runoff Coefficient = 0 . 850 Inlet Time = 5 . 00 min Inlet Intensity = 7 . 11 in/hr Inlet Rational Flow = 0 . 67 cfs Inlet Input Flow = 0 . 00 cfs Inlet Hydrograph Flow = 0 . 00 cfs Total Area = 0 .24 ac Weighted Coefficient = 0 . 850 Total Time of Concentration = 5 . 63 min Total Intensity = 6 . 92 in/hr Total Rational Flow = 1 . 42 cfs Total Flow = 1 . 42 cfs Uniform Capacity = 14 . 69 cfs Skipped flow = 0 . 00 cfs Infiltration = 0 . 00 gpd ----HYDRAULIC INFORMATION---- HGL Elevation Downstream = 585 . 92 ft HGL Elevation Upstream = 587 . 12 ft HGL Slope = 1 . 96 % EGL Elevation Downstream = 586 . 35 ft EGL Elevation Upstream = 587 . 55 ft EGL Slope = 1 . 96 % Critical Depth = 5 . 37 in Depth Downstream = 3 . 78 in Depth Upstream = 3 . 78 in Velocity Downstream = 5 . 27 ft/s Velocity Upstream = 5 . 27 ft/s Uniform Velocity Downstream = 5 .27 ft/s Uniform Velocity Upstream = 5 . 27 ft/s Area Downstream = 0 . 27 ft^2 Area Upstream = 0 . 27 ft^2 Kj (JLC) = 0 . 50 Calculated Junction Loss = 0 . 290 ft ----INLET INFORMATION---- Downstream Inlet = MH 13 User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 10 Storm Sewers Detail Report Inlet Description = <None> Inlet Type = Undefined Computation Case = Sag Longitudinal Slope = 0 . 00 ft/ft Mannings n-value = 0 . 000 Pavement Cross-Slope = 0 . 00 ft/ft Gutter Cross-Slope = 0 . 00 ft/ft Gutter Local Depression = 0 . 00 in Gutter Width = 0 . 00 ft Ponding Width = 0 . 00 ft Intercept Efficiency = * % Flow from Catchment = 0 . 67 cfs Carryover from previous inlet = 0 . 00 cfs Total Flow to Current Inlet = 0 . 67 cfs Flow Intercepted by Current Inlet = 0 . 67 cfs Bypassed Flow = 0 . 00 cfs Pavement Flow = 0 . 00 cfs Gutter Flow = 0 . 00 cfs Depth at Curb = 0 . 00 in Depth at Pavement/Gutter Joint = 0 . 00 in Pavement Spread = 0 . 00 ft Total Spread = 0 . 00 ft Gutter Velocity = 0 . 00 ft/s Curb Efficiency = * % Grate Efficiency = * % Slot Efficiency = * % Total Efficiency = 100 . 00 % PIPE DESCRIPTION: Pipe 6 ----RAINFALL INFORMATION---- Return Period = 10 Year Rainfall File = Albemarle ----PIPE INFORMATION---- Current Pipe = Pipe 6 Downstream Pipe = Pipe 5 Pipe Material = RCP Pipe Length = 85 . 77 ft Plan Length = 89 .76 ft Pipe Type = Circular Pipe Dimensions = 18 . 00 in Pipe Manning' s "n" = 0 . 013 Pipe Capacity at Invert Slope = 13 . 89 cfs Invert Elevation Downstream = 587 . 00 ft Invert Elevation Upstream = 588 . 50 ft Invert Slope = 1 . 75% Invert Slope (Plan Length) = 1 . 67% Rim Elevation Downstream = 592 . 60 ft User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 11 Storm Sewers Detail Report Rim Elevation Upstream = 592 . 90 ft Natural Ground Slope = 0 . 35% Crown Elevation Downstream = 588 . 50 ft Crown Elevation Upstream = 590 . 00 ft ----FLOW INFORMATION---- Catchment Area = 0 . 13 ac Runoff Coefficient = 0 . 850 Inlet Time = 5 . 00 min Inlet Intensity = 7 . 11 in/hr Inlet Rational Flow = 0 . 79 cfs Inlet Input Flow = 0 . 00 cfs Inlet Hydrograph Flow = 0 . 00 cfs Total Area = 0 . 13 ac Weighted Coefficient = 0 . 850 Total Time of Concentration = 5 . 00 min Total Intensity = 7 . 11 in/hr Total Rational Flow = 0 . 79 cfs Total Flow = 0 . 79 cfs Uniform Capacity = 13 . 89 cfs Skipped flow = 0 . 00 cfs Infiltration = 0 . 00 gpd ----HYDRAULIC INFORMATION---- HGL Elevation Downstream = 587 . 41 ft HGL Elevation Upstream = 588 . 89 ft HGL Slope = 1 . 73 % EGL Elevation Downstream = 587 . 47 ft EGL Elevation Upstream = 589 . 01 ft EGL Slope = 1 . 79 % Critical Depth = 3 . 97 in Depth Downstream = 4 . 87 in Depth Upstream = 3 . 97 in Velocity Downstream = 2 . 06 ft/s Velocity Upstream = 2 . 74 ft/s Uniform Velocity Downstream = 4 . 26 ft/s Uniform Velocity Upstream = 0 . 00 ft/s Area Downstream = 0 . 39 ft^2 Area Upstream = 0 . 29 ft^2 Kj (JLC) = 0 . 50 Calculated Junction Loss = NA ----INLET INFORMATION---- Downstream Inlet = MH 14 Inlet Description = <None> Inlet Type = Undefined Computation Case = Sag Longitudinal Slope = 0 . 00 ft/ft User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 12 Storm Sewers Detail Report Mannings n-value = 0 . 000 Pavement Cross-Slope = 0 . 00 ft/ft Gutter Cross-Slope = 0 . 00 ft/ft Gutter Local Depression = 0 . 00 in Gutter Width = 0 . 00 ft Ponding Width = 0 . 00 ft Intercept Efficiency = * % Flow from Catchment = 0 . 79 cfs Carryover from previous inlet = 0 . 00 cfs Total Flow to Current Inlet = 0 . 79 cfs Flow Intercepted by Current Inlet = 0 . 79 cfs Bypassed Flow = 0 . 00 cfs Pavement Flow = 0 . 00 cfs Gutter Flow = 0 . 00 cfs Depth at Curb = 0 . 00 in Depth at Pavement/Gutter Joint = 0 . 00 in Pavement Spread = 0 . 00 ft Total Spread = 0 . 00 ft Gutter Velocity = 0 . 00 ft/s Curb Efficiency = * % Grate Efficiency = * % Slot Efficiency = * % Total Efficiency = 100 . 00 % PIPE DESCRIPTION: Pipe 7 ----RAINFALL INFORMATION---- Return Period = 10 Year Rainfall File = Albemarle ----PIPE INFORMATION---- Current Pipe = Pipe 7 Downstream Pipe = Pipe 2 Pipe Material = RCP Pipe Length = 69 . 10 ft Plan Length = 73 . 09 ft Pipe Type = Circular Pipe Dimensions = 18 . 00 in Pipe Manning ' s "n" = 0 . 013 Pipe Capacity at Invert Slope = 14 . 95 cfs Invert Elevation Downstream = 584 . 00 ft Invert Elevation Upstream = 585 . 40 ft Invert Slope = 2 . 03% Invert Slope (Plan Length) = 1 . 92% Rim Elevation Downstream = 590 . 00 ft Rim Elevation Upstream = 591 . 40 ft Natural Ground Slope = 2 . 03% Crown Elevation Downstream = 585 . 50 ft Crown Elevation Upstream = 586 . 90 ft User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 13 Storm Sewers Detail Report ----FLOW INFORMATION---- Catchment Area = 0 . 16 ac Runoff Coefficient = 0 . 900 Inlet Time = 5 . 00 min Inlet Intensity = 7 . 11 in/hr Inlet Rational Flow = 1 . 03 cfs Inlet Input Flow = 0 . 00 cfs Inlet Hydrograph Flow = 0 . 00 cfs Total Area = 0 . 80 ac Weighted Coefficient = 0 . 888 Total Time of Concentration = 6 . 53 min Total Intensity = 6 . 66 in/hr Total Rational Flow = 4 . 77 cfs Total Flow = 4 .77 cfs Uniform Capacity = 14 . 95 cfs Skipped flow = 0 . 00 cfs Infiltration = 0 . 00 gpd ----HYDRAULIC INFORMATION---- HGL Elevation Downstream = 585 .39 ft HGL Elevation Upstream = 586 .24 ft HGL Slope = 1 . 23 % EGL Elevation Downstream = 585 . 51 ft EGL Elevation Upstream = 586 . 58 ft EGL Slope = 1 . 55 % Critical Depth = 10 . 07 in Depth Downstream = 16 . 68 in Depth Upstream = 10 . 07 in Velocity Downstream = 2 . 79 ft/s Velocity Upstream = 4 . 69 ft/s Uniform Velocity Downstream = 7 . 52 ft/s Uniform Velocity Upstream = 7 . 52 ft/s Area Downstream = 1 . 71 ft^2 Area Upstream = 1 . 02 ft^2 Kj (JLC) = 0 . 50 Calculated Junction Loss = 0 . 673 ft ----INLET INFORMATION---- Downstream Inlet = MH 11 Inlet Description = <None> Inlet Type = Undefined Computation Case = Sag Longitudinal Slope = 0 . 00 ft/ft Mannings n-value = 0 . 000 Pavement Cross-Slope = 0 . 00 ft/ft Gutter Cross-Slope = 0 . 00 ft/ft Gutter Local Depression = 0 . 00 in . User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 14 Storm Sewers Detail Report Gutter Width = 0 . 00 ft Ponding Width = 0 . 00 ft Intercept Efficiency = * % Flow from Catchment = 1 . 03 cfs Carryover from previous inlet = 0 . 00 cfs Total Flow to Current Inlet = 1 . 03 cfs Flow Intercepted by Current Inlet = 1 . 03 cfs Bypassed Flow = 0 . 00 cfs Pavement Flow = 0 . 00 cfs Gutter Flow = 0 . 00 cfs Depth at Curb = 0 . 00 in Depth at Pavement/Gutter Joint = 0 . 00 in Pavement Spread = 0 . 00 ft Total Spread = 0 . 00 ft Gutter Velocity = 0 . 00 ft/s Curb Efficiency = * % Grate Efficiency = * % Slot Efficiency = * % Total Efficiency = 100 . 00 % PIPE DESCRIPTION: Pipe 8 ----RAINFALL INFORMATION---- Return Period = 10 Year Rainfall File = Albemarle ----PIPE INFORMATION---- Current Pipe = Pipe 8 Downstream Pipe = Pipe 7 Pipe Material = RCP Pipe Length = 6 . 57 ft Plan Length = 10 . 56 ft Pipe Type = Circular Pipe Dimensions = 18 . 00 in Pipe Manning ' s "n" = 0 . 013 Pipe Capacity at Invert Slope = 25 . 91 cfs Invert Elevation Downstream = 586 . 60 ft Invert Elevation Upstream = 587 . 00 ft Invert Slope = 6 . 10% Invert Slope (Plan Length) = 3 . 79% Rim Elevation Downstream = 591 . 40 ft Rim Elevation Upstream = 591 . 60 ft Natural Ground Slope = 3 . 04% Crown Elevation Downstream = 588 . 10 ft Crown Elevation Upstream = 588 . 50 ft ----FLOW INFORMATION---- Catchment Area = 0 . 16 ac Runoff Coefficient = 0 . 900 User Name : Administrator Date : 12-10- Project : Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 15 Storm Sewers Detail Report Inlet Time = 5 . 00 min Inlet Intensity = 7 . 11 in/hr Inlet Rational Flow = 1 . 03 cfs Inlet Input Flow = 0 . 00 cfs Inlet Hydrograph Flow = 0 . 00 cfs Total Area = 0 . 16 ac Weighted Coefficient = 0 . 900 Total Time of Concentration = 5 . 00 min Total Intensity = 7 . 11 in/hr Total Rational Flow = 1 . 03 cfs Total Flow = 1 . 03 cfs Uniform Capacity = 25 . 91 cfs Skipped flow = 0 . 00 cfs Infiltration = 0 . 00 gpd ----HYDRAULIC INFORMATION---- HGL Elevation Downstream = 586 . 80 ft HGL Elevation Upstream = 587 . 60 ft HGL Slope = 12 . 14 % EGL Elevation Downstream = 587 . 60 ft EGL Elevation Upstream = 588 . 39 ft EGL Slope = 12 . 14 % Critical Depth = 4 . 55 in Depth Downstream = 2 . 45 in Depth Upstream = 2 . 45 in Velocity Downstream = 7 . 14 ft/s Velocity Upstream = 7 . 14 ft/s Uniform Velocity Downstream = 9 . 75 ft/s Uniform Velocity Upstream = 0 . 00 ft/s Area Downstream = 0 . 14 ft^2 Area Upstream = 0 . 14 ft^2 Kj (JLC) = 0 . 50 Calculated Junction Loss = NA ----INLET INFORMATION---- Downstream Inlet = MH 16 Inlet Description = <None> Inlet Type = Undefined Computation Case = Sag Longitudinal Slope = 0 . 00 ft/ft Mannings n-value = 0 . 000 Pavement Cross-Slope = 0 . 00 ft/ft Gutter Cross-Slope = 0 . 00 ft/ft Gutter Local Depression = 0 . 00 in Gutter Width = 0 . 00 ft Ponding Width = 0 . 00 ft Intercept Efficiency = * % Flow from Catchment = 1 . 03 cfs . User Name : Administrator Date : 12-10- Project : Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 16 Storm Sewers Detail Report Carryover from previous inlet = 0 . 00 cfs Total Flow to Current Inlet = 1 . 03 cfs Flow Intercepted by Current Inlet = 1 . 03 cfs Bypassed Flow = 0 . 00 cfs Pavement Flow = 0 . 00 cfs Gutter Flow = 0 . 00 cfs Depth at Curb = 0 . 00 in Depth at Pavement/Gutter Joint = 0 . 00 in Pavement Spread = 0 . 00 ft Total Spread = 0 . 00 ft Gutter Velocity = 0 . 00 ft/s Curb Efficiency = * % Grate Efficiency = * % Slot Efficiency = * % Total Efficiency = 100 . 00 % PIPE DESCRIPTION: Pipe 9 ----RAINFALL INFORMATION---- Return Period = 10 Year Rainfall File = Albemarle ----PIPE INFORMATION---- Current Pipe = Pipe 9 Downstream Pipe = Pipe 7 Pipe Material = RCP Pipe Length = 175 . 51 ft Plan Length = 179 . 50 ft Pipe Type = Circular Pipe Dimensions = 18 . 00 in Pipe Manning' s "n" = 0 . 013 Pipe Capacity at Invert Slope = 10 . 63 cfs Invert Elevation Downstream = 585 . 60 ft Invert Elevation Upstream = 587 . 40 ft Invert Slope = 1 . 03% Invert Slope (Plan Length) = 1 . 00% Rim Elevation Downstream = 591 .40 ft Rim Elevation Upstream = 592 . 00 ft Natural Ground Slope = 0 . 34% Crown Elevation Downstream = 587 . 10 ft Crown Elevation Upstream = 588 . 90 ft ----FLOW INFORMATION---- Catchment Area = 0 . 15 ac Runoff Coefficient = 0 . 900 Inlet Time = 5 . 00 min Inlet Intensity = 7 . 11 in/hr Inlet Rational Flow = 0 . 97 cfs Inlet Input Flow = 0 . 00 cfs , Us,er Name : Administrator Date : 12-10- Project : Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 17 Storm Sewers Detail Report Inlet Hydrograph Flow = 0 . 00 cfs Total Area = 0 . 48 ac Weighted Coefficient = 0 . 879 Total Time of Concentration = 5 . 50 min Total Intensity = 6 . 96 in/hr Total Rational Flow = 2 . 96 cfs Total Flow = 2 . 96 cfs Uniform Capacity = 10 . 63 cfs Skipped flow = 0 . 00 cfs Infiltration = 0 . 00 gpd ----HYDRAULIC INFORMATION---- HGL Elevation Downstream = 586 . 91 ft HGL Elevation Upstream = 588 . 05 ft HGL Slope = 0 . 65 % EGL Elevation Downstream = 586 . 96 ft EGL Elevation Upstream = 588 . 30 ft EGL Slope = 0 . 76 % Critical Depth = 7 . 85 in Depth Downstream = 15 . 74 in Depth Upstream = 7 . 85 in Velocity Downstream = 1 . 81 ft/s Velocity Upstream = 4 . 00 ft/s Uniform Velocity Downstream = 5 . 15 ft/s Uniform Velocity Upstream = 5 . 15 ft/s Area Downstream = 1 . 64 ft^2 Area Upstream = 0 . 74 ft^2 Kj (JLC) = 0 . 50 Calculated Junction Loss = 0 . 192 ft ----INLET INFORMATION---- Downstream Inlet = MH 16 Inlet Description = <None> Inlet Type = Undefined Computation Case = Sag Longitudinal Slope = 0 . 00 ft/ft Mannings n-value = 0 . 000 Pavement Cross-Slope = 0 . 00 ft/ft Gutter Cross-Slope = 0 . 00 ft/ft Gutter Local Depression = 0 . 00 in Gutter Width = 0 . 00 ft Ponding Width = 0 . 00 ft Intercept Efficiency = * % Flow from Catchment = 0 . 97 cfs Carryover from previous inlet = 0 . 00 cfs Total Flow to Current Inlet = 0 . 97 cfs Flow Intercepted by Current Inlet = 0 . 97 cfs Bypassed Flow = 0 . 00 cfs User Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 18 Storm Sewers Detail Report Pavement Flow = 0 . 00 cfs Gutter Flow = 0 . 00 cfs Depth at Curb = 0 . 00 in Depth at Pavement/Gutter Joint = 0 . 00 in Pavement Spread = 0 . 00 ft Total Spread = 0 . 00 ft Gutter Velocity = 0 . 00 ft/s Curb Efficiency = * % Grate Efficiency = * % Slot Efficiency = * % Total Efficiency = 100 . 00 % PIPE DESCRIPTION: Pipe 10 ----RAINFALL INFORMATION---- Return Period = 10 Year Rainfall File = Albemarle ----PIPE INFORMATION---- Current Pipe = Pipe 10 Downstream Pipe = Pipe 9 Pipe Material = RCP Pipe Length = 6 . 56 ft Plan Length = 10 . 56 ft Pipe Type = Circular Pipe Dimensions = 18 . 00 in Pipe Manning ' s "n" = 0 . 013 Pipe Capacity at Invert Slope = 12 . 96 cfs Invert Elevation Downstream = 587 . 60 ft Invert Elevation Upstream = 587 . 70 ft Invert Slope = 1 . 52% Invert Slope (Plan Length) = 0 . 95% Rim Elevation Downstream = 592 . 00 ft Rim Elevation Upstream = 592 . 00 ft Natural Ground Slope = 0 . 00% Crown Elevation Downstream = 589 . 10 ft Crown Elevation Upstream = 589 .20 ft ----FLOW INFORMATION---- Catchment Area = 0 . 13 ac Runoff Coefficient = 0 . 900 Inlet Time = 5 . 00 min Inlet Intensity = 7 . 11 in/hr Inlet Rational Flow = 0 . 84 cfs Inlet Input Flow = 0 . 00 cfs Inlet Hydrograph Flow = 0 . 00 cfs Total Area = 0 . 33 ac Weighted Coefficient = 0 . 870 Total Time of Concentration = 5 . 44 min Us,er Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 19 Storm Sewers Detail Report Total Intensity = 6 . 97 in/hr Total Rational Flow = 2 . 02 cfs Total Flow = 2 . 02 cfs Uniform Capacity = 12 . 96 cfs Skipped flow = 0 . 00 cfs Infiltration = 0 . 00 gpd ----HYDRAULIC INFORMATION---- HGL Elevation Downstream = 588 . 25 ft HGL Elevation Upstream = 588 . 25 ft HGL Slope = 0 . 06 % EGL Elevation Downstream = 588 . 37 ft EGL Elevation Upstream = 588 . 43 ft EGL Slope = 1 . 04 % Critical Depth = 6 . 43 in Depth Downstream = 7 . 75 in Depth Upstream = 6 . 60 in Velocity Downstream = 2 . 77 ft/s Velocity Upstream = 3 . 44 ft/s Uniform Velocity Downstream = 5 . 33 ft/s Uniform Velocity Upstream = 5 . 33 ft/s Area Downstream = 0 . 73 ft^2 Area Upstream = 0 . 59 ft^2 Kj (JLC) = 0 . 50 Calculated Junction Loss = 0 . 317 ft ----INLET INFORMATION---- Downstream Inlet = MH 18 Inlet Description = <None> Inlet Type = Undefined Computation Case = Sag Longitudinal Slope = 0 . 00 ft/ft Mannings n-value = 0 . 000 Pavement Cross-Slope = 0 . 00 ft/ft Gutter Cross-Slope = 0 . 00 ft/ft Gutter Local Depression = 0 . 00 in Gutter Width = 0 . 00 ft Ponding Width = 0 . 00 ft Intercept Efficiency = * % Flow from Catchment = 0 . 84 cfs Carryover from previous inlet = 0 . 00 cfs Total Flow to Current Inlet = 0 . 84 cfs Flow Intercepted by Current Inlet = 0 . 84 cfs Bypassed Flow = 0 . 00 cfs Pavement Flow = 0 . 00 cfs Gutter Flow = 0 . 00 cfs Depth at Curb = 0 . 00 in Depth at Pavement/Gutter Joint = 0 . 00 in , User Name : Administrator Date : 12-10- Project : Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 20 Storm Sewers Detail Report Pavement Spread = 0 . 00 ft Total Spread = 0 . 00 ft Gutter Velocity = 0 . 00 ft/s Curb Efficiency = * % Grate Efficiency = * % Slot Efficiency = * % Total Efficiency = 100 . 00 % PIPE DESCRIPTION: Pipe 11 ----RAINFALL INFORMATION---- Return Period = 10 Year Rainfall File = Albemarle ----PIPE INFORMATION---- Current Pipe = Pipe 11 Downstream Pipe = Pipe 10 Pipe Material = RCP Pipe Length = 57 . 72 ft Plan Length = 61 . 72 ft Pipe Type = Circular Pipe Dimensions = 18 . 00 in Pipe Manning ' s "n" = 0 . 013 Pipe Capacity at Invert Slope = 10 . 70 cfs Invert Elevation Downstream = 587 . 90 ft Invert Elevation Upstream = 588 . 50 ft Invert Slope = 1 . 04% Invert Slope (Plan Length) = 0 . 97% Rim Elevation Downstream = 592 . 00 ft Rim Elevation Upstream = 592 . 50 ft Natural Ground Slope = 0 . 87% Crown Elevation Downstream = 589 . 40 ft Crown Elevation Upstream = 590 . 00 ft ----FLOW INFORMATION---- Catchment Area = 0 . 20 ac Runoff Coefficient = 0 . 850 Inlet Time = 5 . 00 min Inlet Intensity = 7 . 11 in/hr Inlet Rational Flow = 1 . 22 cfs Inlet Input Flow = 0 . 00 cfs Inlet Hydrograph Flow = 0 . 00 cfs Total Area = 0 . 20 ac Weighted Coefficient = 0 . 850 Total Time of Concentration = 5 . 00 min Total Intensity = 7 . 11 in/hr Total Rational Flow = 1 . 22 cfs Total Flow = 1 . 22 cfs Uniform Capacity = 10 . 70 cfs Uger Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 21 Storm Sewers Detail Report Skipped flow = 0 . 00 cfs Infiltration = 0 . 00 gpd ----HYDRAULIC INFORMATION---- HGL Elevation Downstream = 588 . 57 ft HGL Elevation Upstream = 588 . 99 ft HGL Slope = 0 . 73 % EGL Elevation Downstream = 588 . 61 ft EGL Elevation Upstream = 589 . 13 ft EGL Slope = 0 . 91 % Critical Depth = 4 . 96 in Depth Downstream = 8 . 00 in Depth Upstream = 4 . 96 in Velocity Downstream = 1 . 61 ft/s Velocity Upstream = 3 . 08 ft/s Uniform Velocity Downstream = 4 . 02 ft/s Uniform Velocity Upstream = 0 . 00 ft/s Area Downstream = 0 . 76 ft^2 Area Upstream = 0 . 40 ft^2 Kj (JLC) = 0 . 50 Calculated Junction Loss = NA ----INLET INFORMATION---- Downstream Inlet = MH 19 Inlet Description = <None> Inlet Type = Undefined Computation Case = Sag Longitudinal Slope = 0 . 00 ft/ft Mannings n-value = 0 . 000 Pavement Cross-Slope = 0 . 00 ft/ft Gutter Cross-Slope = 0 . 00 ft/ft Gutter Local Depression = 0 . 00 in Gutter Width = 0 . 00 ft Ponding Width = 0 . 00 ft Intercept Efficiency = * % Flow from Catchment = 1 . 22 cfs Carryover from previous inlet = 0 . 00 cfs Total Flow to Current Inlet = 1 . 22 cfs Flow Intercepted by Current Inlet = 1 . 22 cfs Bypassed Flow = 0 . 00 cfs Pavement Flow = 0 . 00 cfs Gutter Flow = 0 . 00 cfs Depth at Curb = 0 . 00 in Depth at Pavement/Gutter Joint = 0 . 00 in Pavement Spread = 0 . 00 ft Total Spread = 0 . 00 ft Gutter Velocity = 0 . 00 ft/s Curb Efficiency = * % Uspr Name: Administrator Date : 12-10- Project : Crutchfield Amendment Time : 10 : 08 : Network: 03 - Page : 22 Storm Sewers Detail Report Grate Efficiency = * % Slot Efficiency = * % Total Efficiency = 100 . 00 %