_35730_Design_Narrative_Vol_1.pdf
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- Attached to
- SOF Tactical Equipment Maintenance Facility PN 79453 Federal contract opportunity
- Solicitation number
- W912PM17R0022
About this file
APPENDIX W YARBOROUGH COMPLEX DESIGN NARRATIVE - Volume 1
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| File | Type | Posted |
|---|---|---|
| Amendment_0003.pdf | ||
| W912PM17R0022_PN79453_Conformed_Copy.pdf | ||
| A21.)_Appendix_A,_Example_1_Past_Experience.pdf | ||
| W912PM17R0022_Amend_0002_Conformed.pdf | ||
| W912PM17R0022_Amend_0002_SF-30.pdf | ||
| A21.)_Appendix_A,_Example_3_Past_Performance.pdf | ||
| A21.)_Appendix_A,_Example_2_Key_Personnel.pdf | ||
| _35730_Design_Narrative_Vol_2.pdf | ||
| PN79453_Site_visit_ktr_sign_in.pdf | ||
| W912PM17R0022_P00001_PN79453_Solicitation.pdf | ||
| W912PM17R0022_Conformed_Copy.pdf | ||
| PN79453_RTA_V1_Specs.pdf | ||
| PN79453_RTA_PLANS.pdf | ||
| PN79453_RTA_V3_Specs_FFE.pdf | ||
| PN79453_RTA_V2_Specs_Appendices.pdf |
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17Runoff CN-Area
95th Percentile StormDA11
17Runoff CN-Area
95th Percentile StormDA10
17Runoff CN-Area
95th Percentile StormDA1
15Time of Concentration Calculations
95th Percentile StormDA9
15Time of Concentration Calculations
95th Percentile StormDA8
14Time of Concentration Calculations
95th Percentile StormDA7
12Time of Concentration Calculations
95th Percentile StormDA6
12Time of Concentration Calculations
95th Percentile StormDA5
12Time of Concentration Calculations
95th Percentile StormDA4
10Time of Concentration Calculations
95th Percentile StormDA3
8Time of Concentration Calculations
95th Percentile StormDA2
7Time of Concentration Calculations
95th Percentile StormDA12
6Time of Concentration Calculations
95th Percentile StormDA11
5Time of Concentration Calculations
95th Percentile StormDA10
4Time of Concentration Calculations
95th Percentile StormDA1
2Time-Depth CurveFt. Bragg
1Master Network Summary
Table of Contents
95th Percentile StormDA3
31Unit Hydrograph (Hydrograph Table)
95th Percentile StormDA2
29Unit Hydrograph (Hydrograph Table)
95th Percentile StormDA12
27Unit Hydrograph (Hydrograph Table)
95th Percentile StormDA11
24Unit Hydrograph (Hydrograph Table)
95th Percentile StormDA10
22Unit Hydrograph (Hydrograph Table)
95th Percentile StormDA1
20Unit Hydrograph Equations
20Runoff CN-Area
95th Percentile StormDA9a
20Runoff CN-Area
95th Percentile StormDA9
19Runoff CN-Area
95th Percentile StormDA8
19Runoff CN-Area
95th Percentile StormDA7
19Runoff CN-Area
95th Percentile StormDA5a
19Runoff CN-Area
95th Percentile StormDA5
18Runoff CN-Area
95th Percentile StormDA4
18Runoff CN-Area
95th Percentile StormDA3
18Runoff CN-Area
95th Percentile StormDA2
18Runoff CN-Area
95th Percentile StormDA12
45Addition Summary
95th Percentile StormOUTFALL #5
44Addition Summary
95th Percentile StormOUTFALL #4
44Addition Summary
95th Percentile StormOUTFALL #3
44Addition Summary
95th Percentile StormOUTFALL #2
43Addition Summary
95th Percentile StormOUTFALL #12
43Addition Summary
95th Percentile StormOUTFALL #11
43Addition Summary
95th Percentile StormOUTFALL #10
43Addition Summary
95th Percentile StormOUTFALL #1
42Unit Hydrograph (Hydrograph Table)
95th Percentile StormDA9a
41Unit Hydrograph (Hydrograph Table)
95th Percentile StormDA9
40Unit Hydrograph (Hydrograph Table)
95th Percentile StormDA8
39Unit Hydrograph (Hydrograph Table)
95th Percentile StormDA7
38Unit Hydrograph (Hydrograph Table)
95th Percentile StormDA6
37Unit Hydrograph (Hydrograph Table)
95th Percentile StormDA5a
36Unit Hydrograph (Hydrograph Table)
95th Percentile StormDA5
35Unit Hydrograph (Hydrograph Table)
95th Percentile StormDA4
33Unit Hydrograph (Hydrograph Table)
46Addition Summary
95th Percentile StormOUTFALL #9
46Addition Summary
95th Percentile StormOUTFALL #8
45Addition Summary
95th Percentile StormOUTFALL #7
45Addition Summary
95th Percentile StormOUTFALL #6
Project Summary
Title
Engineer
Company
12/16/2014Date
Notes
Subsection: Master Network Summary
Catchments Summary Peak Flow
(ft³/s) Time to Peak
(hours) Hydrograph
Volume (ac-ft)
Return Event
(years)
ScenarioLabel
0.0024.0000.0000Predevelopment 95% StormDA1
0.2712.4000.0660Predevelopment 95% StormDA10
0.0123.9500.0080Predevelopment 95% StormDA11
0.3513.7000.2460Predevelopment 95% StormDA12
0.0218.5000.0120Predevelopment 95% StormDA2
0.2023.9000.1120Predevelopment 95% StormDA3
0.000.0000.0000Predevelopment 95% StormDA4
0.000.0000.0000Predevelopment 95% StormDA5
0.000.0000.0000Predevelopment 95% StormDA5a
0.000.0000.0000Predevelopment 95% StormDA6
0.000.0000.0000Predevelopment 95% StormDA7
0.000.0000.0000Predevelopment 95% StormDA8
0.000.0000.0000Predevelopment 95% StormDA9
0.000.0000.0000Predevelopment 95% StormDA9a
Node Summary Peak Flow
(ft³/s) Time to Peak
(hours) Hydrograph
Volume (ac-ft)
Return Event
(years)
ScenarioLabel
0.0024.0000.0000Predevelopment 95% StormOUTFALL #1
Page 1 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
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Bentley Systems, Inc. Haestad Methods Solution Center35730_Ft Bragg Predevelopment_updated.ppc
Subsection: Master Network Summary
Node Summary Peak Flow
(ft³/s) Time to Peak
(hours) Hydrograph
Volume (ac-ft)
Return Event
(years)
ScenarioLabel
0.2712.4000.0660Predevelopment 95% StormOUTFALL #10
0.0123.9500.0080Predevelopment 95% StormOUTFALL #11
0.3513.7000.2460Predevelopment 95% StormOUTFALL #12
0.0218.5000.0120Predevelopment 95% StormOUTFALL #2
0.2023.9000.1120Predevelopment 95% StormOUTFALL #3
0.000.0000.0000Predevelopment 95% StormOUTFALL #4
0.000.0000.0000Predevelopment 95% StormOUTFALL #5
0.000.0000.0000Predevelopment 95% StormOUTFALL #6
0.000.0000.0000Predevelopment 95% StormOUTFALL #7
0.000.0000.0000Predevelopment 95% StormOUTFALL #8
0.000.0000.0000Predevelopment 95% StormOUTFALL #9
Storm Event: 95th Percentile StormLabel: Ft. Bragg Return Event: 0 yearsSubsection: Time-Depth Curve
Time-Depth Curve: 95th Percentile Storm
95th Percentile StormLabel hours0.000Start Time hours0.100Increment hours24.000End Time years0Return Event
CUMULATIVE RAINFALL (in) Output Time Increment = 0.100 hours
Time on left represents time for first value in each row.
Depth (in)
Depth (in)
Depth (in)
Depth (in)
Depth (in)
Time (hours)
0.00.00.00.00.00.000 0.00.00.00.00.00.500 0.00.00.00.00.01.000 0.00.00.00.00.01.500 0.00.00.00.00.02.000 0.10.10.10.10.12.500
Page 2 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
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Storm Event: 95th Percentile StormLabel: Ft. Bragg Return Event: 0 yearsSubsection: Time-Depth Curve
CUMULATIVE RAINFALL (in) Output Time Increment = 0.100 hours
Time on left represents time for first value in each row.
Depth (in)
Depth (in)
Depth (in)
Depth (in)
Depth (in)
Time (hours)
0.10.10.10.10.13.000 0.10.10.10.10.13.500 0.10.10.10.10.14.000 0.10.10.10.10.14.500 0.10.10.10.10.15.000 0.10.10.10.10.15.500 0.20.20.20.10.16.000 0.20.20.20.20.26.500 0.20.20.20.20.27.000 0.20.20.20.20.27.500 0.20.20.20.20.28.000 0.30.30.20.20.28.500 0.30.30.30.30.39.000 0.30.30.30.30.39.500 0.40.30.30.30.310.000 0.40.40.40.40.410.500 0.50.50.50.40.411.000 1.00.80.60.60.511.500 1.31.31.31.21.212.000 1.41.41.41.31.312.500 1.41.41.41.41.413.000 1.51.51.51.41.413.500 1.51.51.51.51.514.000 1.51.51.51.51.514.500 1.61.61.51.51.515.000 1.61.61.61.61.615.500 1.61.61.61.61.616.000 1.61.61.61.61.616.500 1.61.61.61.61.617.000 1.71.71.61.61.617.500 1.71.71.71.71.718.000 1.71.71.71.71.718.500 1.71.71.71.71.719.000 1.71.71.71.71.719.500 1.71.71.71.71.720.000 1.71.71.71.71.720.500 1.71.71.71.71.721.000 1.81.81.81.71.721.500 1.81.81.81.81.822.000 1.81.81.81.81.822.500 1.81.81.81.81.823.000 1.81.81.81.81.823.500
(N/A)(N/A)(N/A)(N/A)1.824.000
Page 3 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
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Storm Event: 95th Percentile StormLabel: DA1 Return Event: 0 yearsSubsection: Time of Concentration Calculations
Time of Concentration Results
Segment #1: TR-55 Sheet Flow ft127.00Hydraulic Length
(N/A)Manning's n ft/ft0.071Slope in3.72 Year 24 Hour Depth ft/s0.15Average Velocity hours0.243Segment Time of Concentration
Segment #2: TR-55 Channel Flow ft²0.5Flow Area ft515.57Hydraulic Length
(N/A)Manning's n ft/ft0.039Slope ft4.28Wetted Perimeter ft/s2.31Average Velocity hours0.062Segment Time of Concentration
Time of Concentration (Composite) hours0.305Time of Concentration (Composite)
==== SCS Channel Flow
R = Qa / Wp V = (1.49 * (R**(2/3)) * (Sf**-0.5)) / n
(Lf / V) / 3600
Tc =
R= Hydraulic radius Aq= Flow area, square feet Wp= Wetted perimeter, feet V= Velocity, ft/sec Sf= Slope, ft/ft n= Manning's n Tc= Time of concentration, hours Lf= Flow length, feet
Where:
==== SCS TR-55 Sheet Flow (0.007 * ((n * Lf)**0.8)) / ((P**0.5) * (Sf**0.4))Tc = Tc= Time of concentration, hours n= Manning's n Lf= Flow length, feet P= 2yr, 24hr Rain depth, inches Sf= Slope, %
Where:
Page 4 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
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Bentley PondPack V8i [08.11.01.51]
Storm Event: 95th Percentile StormLabel: DA10
Time of Concentration Results
Segment #1: TR-55 Sheet Flow ft150.00Hydraulic Length
(N/A)Manning's n ft/ft0.013Slope in3.72 Year 24 Hour Depth ft/s0.08Average Velocity hours0.542Segment Time of Concentration
Segment #2: TR-55 Shallow Concentrated Flow ft621.72Hydraulic Length
FalseIs Paved?
ft/ft0.052Slope ft/s3.66Average Velocity hours0.047Segment Time of Concentration
Time of Concentration (Composite) hours0.589Time of Concentration (Composite)
==== SCS Channel Flow
R = Qa / Wp V = (1.49 * (R**(2/3)) * (Sf**-0.5)) / n
(Lf / V) / 3600
Tc =
R= Hydraulic radius Aq= Flow area, square feet Wp= Wetted perimeter, feet V= Velocity, ft/sec Sf= Slope, ft/ft n= Manning's n Tc= Time of concentration, hours Lf= Flow length, feet
Where:
==== SCS TR-55 Shallow Concentration Flow Unpaved surface:
V = 16.1345 * (Sf**0.5)
Paved Surface:
V = 20.3282 * (Sf**0.5)
(Lf / V) / 3600
Tc =
Page 5 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
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==== SCS TR-55 Shallow Concentration Flow
V= Velocity, ft/sec Sf= Slope, ft/ft Tc= Time of concentration, hours Lf= Flow length, feet
Where:
Storm Event: 95th Percentile StormLabel: DA11 Return Event: 0 yearsSubsection: Time of Concentration Calculations
Time of Concentration Results
Segment #1: TR-55 Sheet Flow ft150.00Hydraulic Length
(N/A)Manning's n ft/ft0.010Slope in3.72 Year 24 Hour Depth ft/s0.07Average Velocity hours0.607Segment Time of Concentration
Segment #2: TR-55 Shallow Concentrated Flow ft997.87Hydraulic Length
FalseIs Paved?
ft/ft0.039Slope ft/s3.19Average Velocity hours0.087Segment Time of Concentration
Time of Concentration (Composite) hours0.694Time of Concentration (Composite)
==== SCS Channel Flow
R = Qa / Wp V = (1.49 * (R**(2/3)) * (Sf**-0.5)) / n
(Lf / V) / 3600
Tc =
R= Hydraulic radius Aq= Flow area, square feet Wp= Wetted perimeter, feet V= Velocity, ft/sec Sf= Slope, ft/ft n= Manning's n Tc= Time of concentration, hours Lf= Flow length, feet
Where:
Page 6 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
2/2/2015
Bentley PondPack V8i [08.11.01.51]
Bentley PondPack V8i [08.11.01.51]
Bentley Systems, Inc. Haestad Methods Solution Center35730_Ft Bragg Predevelopment_updated.ppc
Storm Event: 95th Percentile StormLabel: DA11 Return Event: 0 yearsSubsection: Time of Concentration Calculations
==== SCS TR-55 Shallow Concentration Flow Unpaved surface:
V = 16.1345 * (Sf**0.5)
Paved Surface:
V = 20.3282 * (Sf**0.5)
(Lf / V) / 3600
Tc =
V= Velocity, ft/sec Sf= Slope, ft/ft Tc= Time of concentration, hours Lf= Flow length, feet
Where:
Storm Event: 95th Percentile StormLabel: DA12 Return Event: 0 yearsSubsection: Time of Concentration Calculations
Time of Concentration Results
Segment #1: TR-55 Sheet Flow ft150.00Hydraulic Length
(N/A)Manning's n ft/ft0.033Slope in3.72 Year 24 Hour Depth ft/s0.11Average Velocity hours0.375Segment Time of Concentration
Segment #2: TR-55 Shallow Concentrated Flow ft777.11Hydraulic Length
FalseIs Paved?
ft/ft0.023Slope ft/s2.46Average Velocity hours0.088Segment Time of Concentration
Segment #3: TR-55 Channel Flow ft²11.1Flow Area ft1,159.61Hydraulic Length
(N/A)Manning's n ft/ft0.023Slope ft55.64Wetted Perimeter ft/s2.59Average Velocity hours0.124Segment Time of Concentration
Time of Concentration (Composite)
Storm Event: 95th Percentile StormLabel: DA12
Time of Concentration (Composite) hours0.588Time of Concentration (Composite)
==== SCS Channel Flow
R = Qa / Wp V = (1.49 * (R**(2/3)) * (Sf**-0.5)) / n
(Lf / V) / 3600
Tc =
R= Hydraulic radius Aq= Flow area, square feet Wp= Wetted perimeter, feet V= Velocity, ft/sec Sf= Slope, ft/ft n= Manning's n Tc= Time of concentration, hours Lf= Flow length, feet
Where:
==== SCS TR-55 Shallow Concentration Flow Unpaved surface:
V = 16.1345 * (Sf**0.5)
Paved Surface:
V = 20.3282 * (Sf**0.5)
(Lf / V) / 3600
Tc =
V= Velocity, ft/sec Sf= Slope, ft/ft Tc= Time of concentration, hours Lf= Flow length, feet
Where:
==== SCS TR-55 Sheet Flow (0.007 * ((n * Lf)**0.8)) / ((P**0.5) * (Sf**0.4))Tc = Tc= Time of concentration, hours n= Manning's n Lf= Flow length, feet P= 2yr, 24hr Rain depth, inches Sf= Slope, %
Where:
Storm Event: 95th Percentile StormLabel: DA2 Return Event: 0 yearsSubsection: Time of Concentration Calculations
Time of Concentration Results
Segment #1: TR-55 Sheet Flow ft150.00Hydraulic Length
(N/A)Manning's n ft/ft0.033Slope
Page 8 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
2/2/2015
Bentley PondPack V8i [08.11.01.51]
Storm Event: 95th Percentile StormLabel: DA2
Segment #1: TR-55 Sheet Flow in3.72 Year 24 Hour Depth ft/s0.11Average Velocity hours0.375Segment Time of Concentration
Segment #2: TR-55 Shallow Concentrated Flow ft73.20Hydraulic Length
FalseIs Paved?
ft/ft0.041Slope ft/s3.27Average Velocity hours0.006Segment Time of Concentration
Segment #3: TR-55 Channel Flow ft²1.6Flow Area ft655.79Hydraulic Length
(N/A)Manning's n ft/ft0.061Slope ft9.72Wetted Perimeter ft/s3.75Average Velocity hours0.049Segment Time of Concentration
Time of Concentration (Composite) hours0.430Time of Concentration (Composite)
==== SCS Channel Flow
R = Qa / Wp V = (1.49 * (R**(2/3)) * (Sf**-0.5)) / n
(Lf / V) / 3600
Tc =
R= Hydraulic radius Aq= Flow area, square feet Wp= Wetted perimeter, feet V= Velocity, ft/sec Sf= Slope, ft/ft n= Manning's n Tc= Time of concentration, hours Lf= Flow length, feet
Where:
==== SCS TR-55 Shallow Concentration Flow
Page 9 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
2/2/2015
Bentley PondPack V8i [08.11.01.51]
==== SCS TR-55 Shallow Concentration Flow Unpaved surface:
V = 16.1345 * (Sf**0.5)
Paved Surface:
V = 20.3282 * (Sf**0.5)
(Lf / V) / 3600
Tc =
V= Velocity, ft/sec Sf= Slope, ft/ft Tc= Time of concentration, hours Lf= Flow length, feet
Where:
==== SCS TR-55 Sheet Flow (0.007 * ((n * Lf)**0.8)) / ((P**0.5) * (Sf**0.4))Tc = Tc= Time of concentration, hours n= Manning's n Lf= Flow length, feet P= 2yr, 24hr Rain depth, inches Sf= Slope, %
Where:
Storm Event: 95th Percentile StormLabel: DA3 Return Event: 0 yearsSubsection: Time of Concentration Calculations
Time of Concentration Results
Segment #1: TR-55 Sheet Flow ft150.00Hydraulic Length
(N/A)Manning's n ft/ft0.015Slope in3.72 Year 24 Hour Depth ft/s0.08Average Velocity hours0.517Segment Time of Concentration
Segment #2: TR-55 Shallow Concentrated Flow ft3,298.23Hydraulic Length
FalseIs Paved?
ft/ft0.015Slope ft/s1.98Average Velocity hours0.464Segment Time of Concentration
Segment #3: TR-55 Channel Flow ft²8.0Flow Area ft738.69Hydraulic Length
(N/A)Manning's n
Page 10 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
2/2/2015
Bentley PondPack V8i [08.11.01.51]
Bentley Systems, Inc. Haestad Methods Solution Center35730_Ft Bragg Predevelopment_updated.ppc
Storm Event: 95th Percentile StormLabel: DA3 Return Event: 0 yearsSubsection: Time of Concentration Calculations
Segment #3: TR-55 Channel Flow ft/ft0.019Slope ft26.05Wetted Perimeter ft/s3.12Average Velocity hours0.066Segment Time of Concentration
Segment #4: User Defined Tc hours0.149Time of Concentration
Time of Concentration (Composite) hours1.195Time of Concentration (Composite)
==== User Defined Value entered by userTc = Tc= Time of concentration, hoursWhere:
==== SCS Channel Flow
R = Qa / Wp V = (1.49 * (R**(2/3)) * (Sf**-0.5)) / n
(Lf / V) / 3600
Tc =
R= Hydraulic radius Aq= Flow area, square feet Wp= Wetted perimeter, feet V= Velocity, ft/sec Sf= Slope, ft/ft n= Manning's n Tc= Time of concentration, hours Lf= Flow length, feet
Where:
==== SCS TR-55 Shallow Concentration Flow Unpaved surface:
V = 16.1345 * (Sf**0.5)
Paved Surface:
V = 20.3282 * (Sf**0.5)
(Lf / V) / 3600
Tc =
V= Velocity, ft/sec Sf= Slope, ft/ft Tc= Time of concentration, hours Lf= Flow length, feet
Where:
==== SCS TR-55 Sheet Flow
Storm Event: 95th Percentile StormLabel: DA3
==== SCS TR-55 Sheet Flow (0.007 * ((n * Lf)**0.8)) / ((P**0.5) * (Sf**0.4))Tc = Tc= Time of concentration, hours n= Manning's n Lf= Flow length, feet P= 2yr, 24hr Rain depth, inches Sf= Slope, %
Where:
Storm Event: 95th Percentile StormLabel: DA4 Return Event: 0 yearsSubsection: Time of Concentration Calculations
Time of Concentration Results
Segment #1: User Defined Tc hours0.702Time of Concentration
Time of Concentration (Composite) hours0.702Time of Concentration (Composite)
==== User Defined Value entered by userTc = Tc= Time of concentration, hoursWhere:
Storm Event: 95th Percentile StormLabel: DA5 Return Event: 0 yearsSubsection: Time of Concentration Calculations
Time of Concentration Results
Segment #1: User Defined Tc hours0.768Time of Concentration
Time of Concentration (Composite) hours0.768Time of Concentration (Composite)
==== User Defined Value entered by userTc = Tc= Time of concentration, hoursWhere:
Storm Event: 95th Percentile StormLabel: DA6 Return Event: 0 yearsSubsection: Time of Concentration Calculations
Page 12 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
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Bentley PondPack V8i [08.11.01.51]
Storm Event: 95th Percentile StormLabel: DA6
Time of Concentration Results
Segment #1: TR-55 Sheet Flow ft150.00Hydraulic Length
(N/A)Manning's n ft/ft0.007Slope in3.72 Year 24 Hour Depth ft/s0.06Average Velocity hours0.713Segment Time of Concentration
Segment #2: TR-55 Shallow Concentrated Flow ft2,213.35Hydraulic Length
FalseIs Paved?
ft/ft0.012Slope ft/s1.78Average Velocity hours0.345Segment Time of Concentration
Time of Concentration (Composite) hours1.058Time of Concentration (Composite)
==== SCS Channel Flow
R = Qa / Wp V = (1.49 * (R**(2/3)) * (Sf**-0.5)) / n
(Lf / V) / 3600
Tc =
R= Hydraulic radius Aq= Flow area, square feet Wp= Wetted perimeter, feet V= Velocity, ft/sec Sf= Slope, ft/ft n= Manning's n Tc= Time of concentration, hours Lf= Flow length, feet
Where:
==== SCS TR-55 Shallow Concentration Flow Unpaved surface:
V = 16.1345 * (Sf**0.5)
Paved Surface:
V = 20.3282 * (Sf**0.5)
(Lf / V) / 3600
Tc =
Page 13 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
2/2/2015
Bentley PondPack V8i [08.11.01.51]
==== SCS TR-55 Shallow Concentration Flow
V= Velocity, ft/sec Sf= Slope, ft/ft Tc= Time of concentration, hours Lf= Flow length, feet
Where:
Storm Event: 95th Percentile StormLabel: DA7 Return Event: 0 yearsSubsection: Time of Concentration Calculations
Time of Concentration Results
Segment #1: TR-55 Sheet Flow ft150.00Hydraulic Length
(N/A)Manning's n ft/ft0.007Slope in3.72 Year 24 Hour Depth ft/s0.06Average Velocity hours0.701Segment Time of Concentration
Segment #2: TR-55 Shallow Concentrated Flow ft914.84Hydraulic Length
FalseIs Paved?
ft/ft0.010Slope ft/s1.61Average Velocity hours0.158Segment Time of Concentration
Time of Concentration (Composite) hours0.858Time of Concentration (Composite)
==== SCS Channel Flow
R = Qa / Wp V = (1.49 * (R**(2/3)) * (Sf**-0.5)) / n
(Lf / V) / 3600
Tc =
R= Hydraulic radius Aq= Flow area, square feet Wp= Wetted perimeter, feet V= Velocity, ft/sec Sf= Slope, ft/ft n= Manning's n Tc= Time of concentration, hours Lf= Flow length, feet
Where:
Page 14 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
2/2/2015
Bentley PondPack V8i [08.11.01.51]
Storm Event: 95th Percentile StormLabel: DA7
==== SCS TR-55 Shallow Concentration Flow Unpaved surface:
V = 16.1345 * (Sf**0.5)
Paved Surface:
V = 20.3282 * (Sf**0.5)
(Lf / V) / 3600
Tc =
V= Velocity, ft/sec Sf= Slope, ft/ft Tc= Time of concentration, hours Lf= Flow length, feet
Where:
Storm Event: 95th Percentile StormLabel: DA8 Return Event: 0 yearsSubsection: Time of Concentration Calculations
Time of Concentration Results
Segment #1: User Defined Tc hours0.599Time of Concentration
Time of Concentration (Composite) hours0.599Time of Concentration (Composite)
==== User Defined Value entered by userTc = Tc= Time of concentration, hoursWhere:
Storm Event: 95th Percentile StormLabel: DA9 Return Event: 0 yearsSubsection: Time of Concentration Calculations
Time of Concentration Results
Segment #1: TR-55 Sheet Flow ft150.00Hydraulic Length
(N/A)Manning's n ft/ft0.010Slope in3.72 Year 24 Hour Depth ft/s0.07Average Velocity hours0.607Segment Time of Concentration
Segment #2: TR-55 Shallow Concentrated Flow ft1,671.20Hydraulic Length
FalseIs Paved?
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Storm Event: 95th Percentile StormLabel: DA9
Segment #2: TR-55 Shallow Concentrated Flow ft/ft0.026Slope ft/s2.62Average Velocity hours0.177Segment Time of Concentration
Segment #3: User Defined Tc hours0.050Time of Concentration
Segment #4: TR-55 Channel Flow ft²5.5Flow Area ft327.22Hydraulic Length
(N/A)Manning's n ft/ft0.034Slope ft18.00Wetted Perimeter ft/s4.12Average Velocity hours0.022Segment Time of Concentration
Time of Concentration (Composite) hours0.857Time of Concentration (Composite)
==== User Defined Value entered by userTc = Tc= Time of concentration, hoursWhere:
==== SCS Channel Flow
R = Qa / Wp V = (1.49 * (R**(2/3)) * (Sf**-0.5)) / n
(Lf / V) / 3600
Tc =
R= Hydraulic radius Aq= Flow area, square feet Wp= Wetted perimeter, feet V= Velocity, ft/sec Sf= Slope, ft/ft n= Manning's n Tc= Time of concentration, hours Lf= Flow length, feet
Where:
==== SCS TR-55 Shallow Concentration Flow
Page 16 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
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==== SCS TR-55 Shallow Concentration Flow Unpaved surface:
V = 16.1345 * (Sf**0.5)
Paved Surface:
V = 20.3282 * (Sf**0.5)
(Lf / V) / 3600
Tc =
V= Velocity, ft/sec Sf= Slope, ft/ft Tc= Time of concentration, hours Lf= Flow length, feet
Where:
==== SCS TR-55 Sheet Flow (0.007 * ((n * Lf)**0.8)) / ((P**0.5) * (Sf**0.4))Tc = Tc= Time of concentration, hours n= Manning's n Lf= Flow length, feet P= 2yr, 24hr Rain depth, inches Sf= Slope, %
Where:
Storm Event: 95th Percentile StormLabel: DA1 Return Event: 0 yearsSubsection: Runoff CN-Area
Runoff Curve Number Data Adjusted CNUC
C
Area
(acres) CNSoil/Surface Description
55.0000.00.01.38055.000Woods - good - Soil B
55.000(N/A)(N/A)1.380(N/A)COMPOSITE AREA & WEIGHTED CN --->
Storm Event: 95th Percentile StormLabel: DA10 Return Event: 0 yearsSubsection: Runoff CN-Area
Runoff Curve Number Data Adjusted CNUC
C
Area
(acres) CNSoil/Surface Description
55.0000.00.00.47055.000Woods - good - Soil B 70.0000.00.04.89070.000Woods - good - Soil C
68.685(N/A)(N/A)5.360(N/A)COMPOSITE AREA & WEIGHTED CN --->
Storm Event: 95th Percentile StormLabel: DA11 Return Event: 0 yearsSubsection: Runoff CN-Area
Runoff Curve Number Data
Page 17 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
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Bentley Systems, Inc. Haestad Methods Solution Center35730_Ft Bragg Predevelopment_updated.ppc
Storm Event: 95th Percentile StormLabel: DA11 Return Event: 0 yearsSubsection: Runoff CN-Area
Runoff Curve Number Data Adjusted CNUC
C
Area
(acres) CNSoil/Surface Description
55.0000.00.08.99055.000Woods - good - Soil B 70.0000.00.01.13070.000Woods - good - Soil C
56.675(N/A)(N/A)10.120(N/A)COMPOSITE AREA & WEIGHTED CN --->
Storm Event: 95th Percentile StormLabel: DA12 Return Event: 0 yearsSubsection: Runoff CN-Area
Runoff Curve Number Data Adjusted CNUC
C
Area
(acres) CNSoil/Surface Description
55.0000.00.031.78055.000Woods - good - Soil B 70.0000.00.030.09070.000Woods - good - Soil C
62.295(N/A)(N/A)61.870(N/A)COMPOSITE AREA & WEIGHTED CN --->
Storm Event: 95th Percentile StormLabel: DA2 Return Event: 0 yearsSubsection: Runoff CN-Area
Runoff Curve Number Data Adjusted CNUC
C
Area
(acres) CNSoil/Surface Description
30.0000.00.00.03030.000Woods - good - Soil A 55.0000.00.06.89055.000Woods - good - Soil B 70.0000.00.01.92070.000Woods - good - Soil C
58.173(N/A)(N/A)8.840(N/A)COMPOSITE AREA & WEIGHTED CN --->
Storm Event: 95th Percentile StormLabel: DA3 Return Event: 0 yearsSubsection: Runoff CN-Area
Runoff Curve Number Data Adjusted CNUC
C
Area
(acres) CNSoil/Surface Description
30.0000.00.05.30030.000Woods - good - Soil A 55.0000.00.0111.10055.000Woods - good - Soil B 70.0000.00.025.54070.000Woods - good - Soil C
56.766(N/A)(N/A)141.940(N/A)COMPOSITE AREA & WEIGHTED CN --->
Storm Event: 95th Percentile StormLabel: DA4 Return Event: 0 yearsSubsection: Runoff CN-Area
Runoff Curve Number Data
Storm Event: 95th Percentile StormLabel: DA4
Runoff Curve Number Data Adjusted CNUC
C
Area
(acres) CNSoil/Surface Description
30.0000.00.019.88030.000Woods - good - Soil A 55.0000.00.036.10055.000Woods - good - Soil B 70.0000.00.010.49070.000Woods - good - Soil C
49.890(N/A)(N/A)66.470(N/A)COMPOSITE AREA & WEIGHTED CN --->
Storm Event: 95th Percentile StormLabel: DA5 Return Event: 0 yearsSubsection: Runoff CN-Area
Runoff Curve Number Data Adjusted CNUC
C
Area
(acres) CNSoil/Surface Description
30.0000.00.012.63030.000Woods - good - Soil A 55.0000.00.039.49055.000Woods - good - Soil B 70.0000.00.05.77070.000Woods - good - Soil C
51.041(N/A)(N/A)57.890(N/A)COMPOSITE AREA & WEIGHTED CN --->
Storm Event: 95th Percentile StormLabel: DA5a Return Event: 0 yearsSubsection: Runoff CN-Area
Runoff Curve Number Data Adjusted CNUC
C
Area
(acres) CNSoil/Surface Description
30.0000.00.016.86030.000Woods - good - Soil A 55.0000.00.07.62055.000Woods - good - Soil B 70.0000.00.00.28070.000Woods - good - Soil C
38.146(N/A)(N/A)24.760(N/A)COMPOSITE AREA & WEIGHTED CN --->
Storm Event: 95th Percentile StormLabel: DA7 Return Event: 0 yearsSubsection: Runoff CN-Area
Runoff Curve Number Data Adjusted CNUC
C
Area
(acres) CNSoil/Surface Description
30.0000.00.07.26030.000Woods - good - Soil A 55.0000.00.04.68055.000Woods - good - Soil B
39.799(N/A)(N/A)11.940(N/A)COMPOSITE AREA & WEIGHTED CN --->
Storm Event: 95th Percentile StormLabel: DA8 Return Event: 0 yearsSubsection: Runoff CN-Area
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Bentley PondPack V8i [08.11.01.51]
Storm Event: 95th Percentile StormLabel: DA8
Runoff Curve Number Data Adjusted CNUC
C
Area
(acres) CNSoil/Surface Description
30.0000.00.059.45030.000Woods - good - Soil A 55.0000.00.08.97055.000Woods - good - Soil B 77.0000.00.04.75077.000Woods - good - Soil D
36.116(N/A)(N/A)73.170(N/A)COMPOSITE AREA & WEIGHTED CN --->
Storm Event: 95th Percentile StormLabel: DA9 Return Event: 0 yearsSubsection: Runoff CN-Area
Runoff Curve Number Data Adjusted CNUC
C
Area
(acres) CNSoil/Surface Description
30.0000.00.018.55030.000Woods - good - Soil A 55.0000.00.039.87055.000Woods - good - Soil B 70.0000.00.02.40070.000Woods - good - Soil C
47.967(N/A)(N/A)60.820(N/A)COMPOSITE AREA & WEIGHTED CN --->
Storm Event: 95th Percentile StormLabel: DA9a Return Event: 0 yearsSubsection: Runoff CN-Area
Runoff Curve Number Data Adjusted CNUC
C
Area
(acres) CNSoil/Surface Description
30.0000.00.02.25030.000Woods - good - Soil A 55.0000.00.018.08055.000Woods - good - Soil B
52.233(N/A)(N/A)20.330(N/A)COMPOSITE AREA & WEIGHTED CN --->
Subsection: Unit Hydrograph Equations
Unit Hydrograph Method (Computational Notes) Definition of Terms
Total area (acres): At = Ai+ApAt Impervious area (acres)Ai Pervious area (acres)Ap Runoff curve number for impervious areaCNi Runoff curve number for pervious areaCNp f loss constant infiltration (depth/time)fLoss Saturated Hydraulic Conductivity (depth/time)gKs Volumetric Moisture DeficitMd Capillary Suction (length)Psi Horton Infiltration Decay Rate (time^-1)hK Initial Infiltration Rate (depth/time)fo Ultimate(capacity)Infiltration Rate (depth/time)fc
Page 20 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
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Subsection: Unit Hydrograph Equations
Unit Hydrograph Method (Computational Notes) Definition of Terms
Initial Abstraction (length)Ia Computational increment (duration of unit excess rainfall) Default dt is smallest value of 0.1333Tc, rtm, and th (Smallest dt is then adjusted to match up with Tp) dt
User specified override computational main time increment (only used if UDdt is => .1333Tc)UDdt
Point on distribution curve (fraction of P) for time step tD(t) 2 / (1 + (Tr/Tp)): default K = 0.75: (for Tr/Tp = 1.67)K Hydrograph shape factor = Unit Conversions * K: = ((1hr/3600sec) * (1ft/12in) * ((5280ft)**2/sq.mi)) * K Default Ks = 645.333 * 0.75 = 484
Ks
Lag time from center of excess runoff (dt) to Tp: Lag = 0.6TcLag Total precipitation depth, inchesP Accumulated rainfall at time step tPa(t) Incremental rainfall at time step tPi(t) Peak discharge (cfs) for 1in. runoff, for 1hr, for 1 sq.mi. = (Ks * A * Q) / Tp (where Q = 1in. runoff, A=sq.mi.)qp
Unit hydrograph ordinate (cfs) at time step tQu(t) Final hydrograph ordinate (cfs) at time step tQ(t) Accumulated runoff (inches) at time step t for impervious areaRai(t) Accumulated runoff (inches) at time step t for pervious areaRap(t) Incremental runoff (inches) at time step t for impervious areaRii(t) Incremental runoff (inches) at time step t for pervious areaRip(t) Incremental weighted total runoff (inches)R(t) Time increment for rainfall tableRtm S for impervious area: Si = (1000/CNi) - 10Si S for pervious area: Sp = (1000/CNp) - 10Sp Time step (row) numbert Time of concentrationTc Time (hrs) of entire unit hydrograph: Tb = Tp + TrTb Time (hrs) to peak of a unit hydrograph: Tp = (dt/2) + LagTp Time (hrs) of receding limb of unit hydrograph: Tr = ratio of TpTr
Page 21 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
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Unit Hydrograph Method Computational Notes Precipitation
Time for time step tColumn (1) D(t) = Point on distribution curve for time step tColumn (2) Pi(t) = Pa(t) - Pa(t-1): Col.(4) - Preceding Col.(4)Column (3) Pa(t) = D(t) x P: Col.(2) x PColumn (4)
Pervious Area Runoff (using SCS Runoff CN Method)
Rap(t) = Accumulated pervious runoff for time step t If (Pa(t) is <= 0.2Sp) then use: Rap(t) = 0.0 If (Pa(t) is > 0.2Sp) then use:
Rap(t) = (Col.(4)-0.2Sp)**2 / (Col.(4)+0.8Sp)
Column (5)
Rip(t) = Incremental pervious runoff for time step t Rip(t) = Rap(t) - Rap(t-1) Rip(t) = Col.(5) for current row - Col.(5) for preceding row.
Column (6)
Impervious Area Runoff Did not specify to use impervious areas.Column (7 & 8)...
Incremental Weighted Runoff R(t) = (Ap/At) x Rip(t) + (Ai/At) x Rii(t) R(t) = (Ap/At) x Col.(6) + (Ai/At) x Col.(8)Column (9)
SCS Unit Hydrograph Method Q(t) is computed with the SCS unit hydrograph method using R(t) and Qu(t).Column (10)
Storm Event: 95th Percentile StormLabel: DA1 Return Event: 0 yearsSubsection: Unit Hydrograph (Hydrograph Table)
95th Percentile StormStorm Event years0Return Event hours24.000Duration in1.8Depth hours0.305Time of Concentration (Composite) acres1.380Area (User Defined)
HYDROGRAPH ORDINATES (ft³/s) Output Time Increment = 0.050 hours
Time on left represents time for first value in each row.
Page 22 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
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Bentley PondPack V8i [08.11.01.51]
Storm Event: 95th Percentile StormLabel: DA1 Return Event: 0 yearsSubsection: Unit Hydrograph (Hydrograph Table)
HYDROGRAPH ORDINATES (ft³/s) Output Time Increment = 0.050 hours
Time on left represents time for first value in each row.
Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Time
(hours)
(N/A)(N/A)(N/A)0.000.0023.950
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Bentley PondPack V8i [08.11.01.51]
95th Percentile StormStorm Event years0Return Event hours24.000Duration in1.8Depth hours0.589Time of Concentration (Composite) acres5.360Area (User Defined)
HYDROGRAPH ORDINATES (ft³/s) Output Time Increment = 0.050 hours
Time on left represents time for first value in each row.
Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Time
(hours)
0.060.030.010.000.0011.850 0.240.220.180.140.1012.100 0.240.260.260.270.2612.350 0.190.200.210.220.2312.600 0.150.160.160.170.1812.850 0.130.130.140.140.1513.100 0.110.120.120.120.1213.350 0.100.100.110.110.1113.600 0.090.090.090.100.1013.850 0.080.090.090.090.0914.100 0.080.080.080.080.0814.350 0.080.080.080.080.0814.600 0.070.070.070.070.0714.850 0.070.070.070.070.0715.100 0.070.070.070.070.0715.350 0.060.060.070.070.0715.600 0.060.060.060.060.0615.850 0.060.060.060.060.0616.100 0.060.060.060.060.0616.350 0.050.050.050.060.0616.600 0.050.050.050.050.0516.850 0.050.050.050.050.0517.100 0.050.050.050.050.0517.350 0.050.050.050.050.0517.600 0.050.050.050.050.0517.850 0.050.050.050.050.0518.100 0.050.050.050.050.0518.350 0.050.050.050.050.0518.600 0.040.040.040.040.0518.850 0.040.040.040.040.0419.100 0.040.040.040.040.0419.350 0.040.040.040.040.0419.600 0.040.040.040.040.0419.850 0.040.040.040.040.0420.100
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HYDROGRAPH ORDINATES (ft³/s) Output Time Increment = 0.050 hours
Time on left represents time for first value in each row.
Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Time
(hours) 0.040.040.040.040.0420.350 0.040.040.040.040.0420.600 0.040.040.040.040.0420.850 0.040.040.040.040.0421.100 0.040.040.040.040.0421.350 0.030.040.040.040.0421.600 0.030.030.030.030.0321.850 0.030.030.030.030.0322.100 0.030.030.030.030.0322.350 0.030.030.030.030.0322.600 0.030.030.030.030.0322.850 0.030.030.030.030.0323.100 0.030.030.030.030.0323.350 0.030.030.030.030.0323.600
(N/A)0.030.030.030.0323.850
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Page 26 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
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Bentley PondPack V8i [08.11.01.51]
Storm Event: 95th Percentile StormLabel: DA11
95th Percentile StormStorm Event years0Return Event hours24.000Duration in1.8Depth hours0.694Time of Concentration (Composite) acres10.120Area (User Defined)
HYDROGRAPH ORDINATES (ft³/s) Output Time Increment = 0.050 hours
Time on left represents time for first value in each row.
Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Time
(hours)
0.000.000.000.000.0015.050 0.000.000.000.000.0015.300 0.010.000.000.000.0015.550 0.010.010.010.010.0115.800 0.010.010.010.010.0116.050 0.010.010.010.010.0116.300 0.010.010.010.010.0116.550 0.010.010.010.010.0116.800 0.010.010.010.010.0117.050 0.010.010.010.010.0117.300 0.010.010.010.010.0117.550 0.010.010.010.010.0117.800 0.010.010.010.010.0118.050 0.010.010.010.010.0118.300 0.010.010.010.010.0118.550 0.010.010.010.010.0118.800 0.010.010.010.010.0119.050 0.010.010.010.010.0119.300 0.010.010.010.010.0119.550 0.010.010.010.010.0119.800 0.010.010.010.010.0120.050 0.010.010.010.010.0120.300 0.010.010.010.010.0120.550 0.010.010.010.010.0120.800 0.010.010.010.010.0121.050 0.010.010.010.010.0121.300 0.010.010.010.010.0121.550 0.010.010.010.010.0121.800 0.010.010.010.010.0122.050 0.010.010.010.010.0122.300 0.010.010.010.010.0122.550 0.010.010.010.010.0122.800 0.010.010.010.010.0123.050 0.010.010.010.010.0123.300
Page 27 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
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Bentley PondPack V8i [08.11.01.51]
Storm Event: 95th Percentile StormLabel: DA11
HYDROGRAPH ORDINATES (ft³/s) Output Time Increment = 0.050 hours
Time on left represents time for first value in each row.
Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Time
(hours) 0.010.010.010.010.0123.550 0.010.010.010.010.0123.800
Page 28 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
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Bentley PondPack V8i [08.11.01.51]
95th Percentile StormStorm Event years0Return Event hours24.000Duration in1.8Depth hours0.588Time of Concentration (Composite) acres61.870Area (User Defined)
HYDROGRAPH ORDINATES (ft³/s) Output Time Increment = 0.050 hours
Time on left represents time for first value in each row.
Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Time
(hours)
0.030.010.010.000.0012.150 0.140.120.090.070.0412.400 0.260.240.220.200.1712.650 0.310.310.300.280.2712.900 0.340.340.330.330.3213.150 0.350.350.350.350.3413.400 0.350.350.350.350.3513.650 0.340.340.350.350.3513.900 0.330.330.330.340.3414.150 0.330.330.330.330.3314.400 0.320.320.320.320.3314.650 0.320.320.320.320.3214.900 0.320.320.320.320.3215.150 0.310.310.320.320.3215.400 0.300.310.310.310.3115.650 0.290.300.300.300.3015.900 0.290.290.290.290.2916.150 0.280.280.280.280.2816.400 0.280.280.280.280.2816.650 0.270.280.280.280.2816.900 0.270.270.270.270.2717.150 0.270.270.270.270.2717.400 0.270.270.270.270.2717.650 0.260.260.260.270.2717.900 0.260.260.260.260.2618.150 0.250.260.260.260.2618.400 0.250.250.250.250.2518.650 0.240.250.250.250.2518.900 0.240.240.240.240.2419.150 0.230.230.230.240.2419.400 0.230.230.230.230.2319.650 0.220.220.220.220.2219.900 0.210.210.210.220.2220.150 0.210.210.210.210.2120.400
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Bentley PondPack V8i [08.11.01.51]
HYDROGRAPH ORDINATES (ft³/s) Output Time Increment = 0.050 hours
Time on left represents time for first value in each row.
Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Time
(hours) 0.210.210.210.210.2120.650 0.210.210.210.210.2120.900 0.210.210.210.210.2121.150 0.210.210.210.210.2121.400 0.210.210.210.210.2121.650 0.210.210.210.210.2121.900 0.210.210.210.210.2122.150 0.210.210.210.210.2122.400 0.210.210.210.210.2122.650 0.210.210.210.210.2122.900 0.210.210.210.210.2123.150 0.200.200.210.210.2123.400 0.200.200.200.200.2023.650
(N/A)(N/A)0.200.200.2023.900
Page 30 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
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Bentley PondPack V8i [08.11.01.51]
95th Percentile StormStorm Event years0Return Event hours24.000Duration in1.8Depth hours0.430Time of Concentration (Composite) acres8.840Area (User Defined)
HYDROGRAPH ORDINATES (ft³/s) Output Time Increment = 0.050 hours
Time on left represents time for first value in each row.
Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Time
(hours)
0.000.000.000.000.0013.950 0.010.000.000.000.0014.200 0.010.010.010.010.0114.450 0.010.010.010.010.0114.700 0.010.010.010.010.0114.950 0.010.010.010.010.0115.200 0.010.010.010.010.0115.450 0.010.010.010.010.0115.700 0.010.010.010.010.0115.950 0.010.010.010.010.0116.200 0.010.010.010.010.0116.450 0.010.010.010.010.0116.700 0.020.010.010.010.0116.950 0.020.020.020.020.0217.200 0.020.020.020.020.0217.450 0.020.020.020.020.0217.700 0.020.020.020.020.0217.950 0.020.020.020.020.0218.200 0.020.020.020.020.0218.450 0.020.020.020.020.0218.700 0.020.020.020.020.0218.950 0.020.020.020.020.0219.200 0.020.020.020.020.0219.450 0.020.020.020.020.0219.700 0.010.010.010.010.0219.950 0.010.010.010.010.0120.200 0.010.010.010.010.0120.450 0.010.010.010.010.0120.700 0.010.010.010.010.0120.950 0.020.020.020.020.0121.200 0.020.020.020.020.0221.450 0.020.020.020.020.0221.700 0.020.020.020.020.0221.950 0.020.020.020.020.0222.200
Page 31 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
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Bentley PondPack V8i [08.11.01.51]
HYDROGRAPH ORDINATES (ft³/s) Output Time Increment = 0.050 hours
Time on left represents time for first value in each row.
Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Time
(hours) 0.020.020.020.020.0222.450 0.020.020.020.020.0222.700 0.020.020.020.020.0222.950 0.020.020.020.020.0223.200 0.020.020.020.020.0223.450 0.020.020.020.020.0223.700
(N/A)(N/A)(N/A)0.020.0223.950
Page 32 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
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Bentley PondPack V8i [08.11.01.51]
95th Percentile StormStorm Event years0Return Event hours24.000Duration in1.8Depth hours1.195Time of Concentration (Composite) acres141.940Area (User Defined)
HYDROGRAPH ORDINATES (ft³/s) Output Time Increment = 0.050 hours
Time on left represents time for first value in each row.
Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Time
(hours)
0.000.000.000.000.0014.800 0.010.010.010.010.0015.050 0.030.020.020.020.0115.300 0.040.040.040.030.0315.550 0.060.060.050.050.0515.800 0.080.070.070.070.0616.050 0.090.090.090.080.0816.300 0.110.100.100.100.0916.550 0.120.120.110.110.1116.800 0.130.130.120.120.1217.050 0.140.140.130.130.1317.300 0.150.150.140.140.1417.550 0.160.150.150.150.1517.800 0.160.160.160.160.1618.050 0.170.170.170.160.1618.300 0.170.170.170.170.1718.550 0.180.180.170.170.1718.800 0.180.180.180.180.1819.050 0.180.180.180.180.1819.300 0.180.180.180.180.1819.550 0.180.180.180.180.1819.800 0.180.180.180.180.1820.050 0.180.180.180.180.1820.300 0.180.180.180.180.1820.550 0.180.180.180.180.1820.800 0.180.180.180.180.1821.050 0.180.180.180.180.1821.300 0.180.180.180.180.1821.550 0.190.190.190.190.1821.800 0.190.190.190.190.1922.050 0.190.190.190.190.1922.300 0.190.190.190.190.1922.550 0.200.190.190.190.1922.800 0.200.200.200.200.2023.050
Page 33 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
2/2/2015
Bentley PondPack V8i [08.11.01.51]
HYDROGRAPH ORDINATES (ft³/s) Output Time Increment = 0.050 hours
Time on left represents time for first value in each row.
Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Time
(hours) 0.200.200.200.200.2023.300 0.200.200.200.200.2023.550 0.200.200.200.200.2023.800
Page 34 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
2/2/2015
Bentley PondPack V8i [08.11.01.51]
Storm Event: 95th Percentile StormLabel: DA4
95th Percentile StormStorm Event years0Return Event hours24.000Duration in1.8Depth hours0.702Time of Concentration (Composite) acres66.470Area (User Defined)
HYDROGRAPH ORDINATES (ft³/s) Output Time Increment = 0.050 hours
Time on left represents time for first value in each row.
Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Time
(hours)
(N/A)(N/A)(N/A)0.000.000.000
Page 35 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
2/2/2015
Bentley PondPack V8i [08.11.01.51]
Storm Event: 95th Percentile StormLabel: DA5
95th Percentile StormStorm Event years0Return Event hours24.000Duration in1.8Depth hours0.768Time of Concentration (Composite) acres57.890Area (User Defined)
HYDROGRAPH ORDINATES (ft³/s) Output Time Increment = 0.050 hours
Time on left represents time for first value in each row.
Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Time
(hours)
(N/A)(N/A)(N/A)0.000.000.000
Page 36 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
2/2/2015
Bentley PondPack V8i [08.11.01.51]
Storm Event: 95th Percentile StormLabel: DA5a
95th Percentile StormStorm Event years0Return Event hours24.000Duration in1.8Depth hours0.627Time of Concentration (Composite) acres24.760Area (User Defined)
HYDROGRAPH ORDINATES (ft³/s) Output Time Increment = 0.050 hours
Time on left represents time for first value in each row.
Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Time
(hours)
(N/A)(N/A)(N/A)0.000.000.000
Page 37 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
2/2/2015
Bentley PondPack V8i [08.11.01.51]
95th Percentile StormStorm Event years0Return Event hours24.000Duration in1.8Depth hours1.058Time of Concentration (Composite) acres16.450Area (User Defined)
HYDROGRAPH ORDINATES (ft³/s) Output Time Increment = 0.050 hours
Time on left represents time for first value in each row.
Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Time
(hours)
(N/A)(N/A)(N/A)0.000.000.000
Page 38 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
2/2/2015
Bentley PondPack V8i [08.11.01.51]
Storm Event: 95th Percentile StormLabel: DA7
95th Percentile StormStorm Event years0Return Event hours24.000Duration in1.8Depth hours0.858Time of Concentration (Composite) acres11.940Area (User Defined)
HYDROGRAPH ORDINATES (ft³/s) Output Time Increment = 0.050 hours
Time on left represents time for first value in each row.
Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Time
(hours)
(N/A)(N/A)(N/A)0.000.000.000
Page 39 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
2/2/2015
Bentley PondPack V8i [08.11.01.51]
Storm Event: 95th Percentile StormLabel: DA8
95th Percentile StormStorm Event years0Return Event hours24.000Duration in1.8Depth hours0.599Time of Concentration (Composite) acres73.170Area (User Defined)
HYDROGRAPH ORDINATES (ft³/s) Output Time Increment = 0.050 hours
Time on left represents time for first value in each row.
Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Time
(hours)
(N/A)(N/A)(N/A)0.000.000.000
Page 40 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
2/2/2015
Bentley PondPack V8i [08.11.01.51]
95th Percentile StormStorm Event years0Return Event hours24.000Duration in1.8Depth hours0.857Time of Concentration (Composite) acres60.820Area (User Defined)
HYDROGRAPH ORDINATES (ft³/s) Output Time Increment = 0.050 hours
Time on left represents time for first value in each row.
Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Time
(hours)
(N/A)(N/A)(N/A)0.000.000.000
Page 41 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
2/2/2015
Bentley PondPack V8i [08.11.01.51]
Storm Event: 95th Percentile StormLabel: DA9a
95th Percentile StormStorm Event years0Return Event hours24.000Duration in1.8Depth hours0.539Time of Concentration (Composite) acres20.330Area (User Defined)
HYDROGRAPH ORDINATES (ft³/s) Output Time Increment = 0.050 hours
Time on left represents time for first value in each row.
Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Flow
(ft³/s) Time
(hours)
(N/A)(N/A)(N/A)0.000.000.000
Page 42 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
2/2/2015
Bentley PondPack V8i [08.11.01.51]
Storm Event: 95th Percentile StormLabel: OUTFALL #1 Return Event: 0 yearsSubsection: Addition Summary
Summary for Hydrograph Addition at 'OUTFALL #1'
Upstream NodeUpstream Link DA1<Catchment to Outflow Node>
Node Inflows
Flow (Peak) (ft³/s)
Time to Peak (hours)
Volume (ac-ft)
ElementInflow Type
0.0024.0000.000DA1Flow (From) 0.0024.0000.000OUTFALL #1Flow (In)
Storm Event: 95th Percentile StormLabel: OUTFALL #10 Return Event: 0 yearsSubsection: Addition Summary
Summary for Hydrograph Addition at 'OUTFALL #10'
Upstream NodeUpstream Link DA10<Catchment to Outflow Node>
Node Inflows
Flow (Peak) (ft³/s)
Time to Peak (hours)
Volume (ac-ft)
ElementInflow Type
0.2712.4000.066DA10Flow (From) 0.2712.4000.066OUTFALL #10Flow (In)
Storm Event: 95th Percentile StormLabel: OUTFALL #11 Return Event: 0 yearsSubsection: Addition Summary
Summary for Hydrograph Addition at 'OUTFALL #11'
Upstream NodeUpstream Link DA11<Catchment to Outflow Node>
Node Inflows
Flow (Peak) (ft³/s)
Time to Peak (hours)
Volume (ac-ft)
ElementInflow Type
0.0123.9500.008DA11Flow (From) 0.0123.9500.008OUTFALL #11Flow (In)
Storm Event: 95th Percentile StormLabel: OUTFALL #12 Return Event: 0 yearsSubsection: Addition Summary
Summary for Hydrograph Addition at 'OUTFALL #12'
Upstream NodeUpstream Link DA12<Catchment to Outflow Node>
Page 43 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
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Bentley PondPack V8i [08.11.01.51]
Storm Event: 95th Percentile StormLabel: OUTFALL #12 Return Event: 0 yearsSubsection: Addition Summary
Node Inflows
Flow (Peak) (ft³/s)
Time to Peak (hours)
Volume (ac-ft)
ElementInflow Type
0.3513.7000.246DA12Flow (From) 0.3513.7000.246OUTFALL #12Flow (In)
Storm Event: 95th Percentile StormLabel: OUTFALL #2 Return Event: 0 yearsSubsection: Addition Summary
Summary for Hydrograph Addition at 'OUTFALL #2'
Upstream NodeUpstream Link DA2<Catchment to Outflow Node>
Node Inflows
Flow (Peak) (ft³/s)
Time to Peak (hours)
Volume (ac-ft)
ElementInflow Type
0.0218.5000.012DA2Flow (From) 0.0218.5000.012OUTFALL #2Flow (In)
Storm Event: 95th Percentile StormLabel: OUTFALL #3 Return Event: 0 yearsSubsection: Addition Summary
Summary for Hydrograph Addition at 'OUTFALL #3'
Upstream NodeUpstream Link DA3<Catchment to Outflow Node>
Node Inflows
Flow (Peak) (ft³/s)
Time to Peak (hours)
Volume (ac-ft)
ElementInflow Type
0.2023.9000.112DA3Flow (From) 0.2023.9000.112OUTFALL #3Flow (In)
Storm Event: 95th Percentile StormLabel: OUTFALL #4 Return Event: 0 yearsSubsection: Addition Summary
Summary for Hydrograph Addition at 'OUTFALL #4'
Upstream NodeUpstream Link DA4<Catchment to Outflow Node>
Node Inflows
Flow (Peak) (ft³/s)
Time to Peak (hours)
Volume (ac-ft)
ElementInflow Type
Page 44 of 4827 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666
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Bentley PondPack V8i [08.11.01.51]
Bentley Systems, Inc. Haestad Methods Solution Center35730_Ft Bragg Predevelopment_updated.ppc
Storm Event: 95th Percentile StormLabel: OUTFALL #4 Return Event: 0 yearsSubsection: Addition Summary
Node Inflows
Flow (Peak) (ft³/s)
Time to Peak (hours)
Volume (ac-ft)
ElementInflow Type
0.000.0000.000DA4Flow (From) 0.000.0000.000OUTFALL #4Flow (In)
Storm Event: 95th Percentile StormLabel: OUTFALL #5 Return Event: 0 yearsSubsection: Addition Summary
Summary for Hydrograph Addition at 'OUTFALL #5'
Upstream NodeUpstream Link DA5<Catchment to Outflow Node> DA5a<Catchment to Outflow Node>
Node Inflows
Flow (Peak) (ft³/s)
Time to Peak (hours)
Volume (ac-ft)
ElementInflow Type
0.000.0000.000DA5Flow (From) 0.000.0000.000DA5aFlow (From) 0.000.0000.000OUTFALL #5Flow (In)
Storm Event: 95th Percentile StormLabel: OUTFALL #6 Return Event: 0 yearsSubsection: Addition Summary
Summary for Hydrograph Addition at 'OUTFALL #6'
Upstream NodeUpstream Link DA6<Catchment to Outflow Node>
Node Inflows
Flow (Peak) (ft³/s)
Time to Peak (hours)
Volume (ac-ft)
ElementInflow Type
0.000.0000.000DA6Flow (From) 0.000.0000.000OUTFALL #6Flow (In)
Storm Event: 95th Percentile StormLabel: OUTFALL #7 Return Event: 0 yearsSubsection: Addition Summary
Summary for Hydrograph Addition at 'OUTFALL #7'
Upstream NodeUpstream Link DA7<Catchment to Outflow Node>
Node Inflows
DA10 (Runoff CN-Area, 0 years)...17
DA1 (Unit Hydrograph (Hydrograph Table), 0 years)...22, 23
DA1 (Time of Concentration Calculations, 0 years)...4
DA1 (Runoff CN-Area, 0 years)...17
D
Storm Event: 95th Percentile StormLabel: OUTFALL #7 Return Event: 0 yearsSubsection: Addition Summary
Node Inflows
Flow (Peak) (ft³/s)
Time to Peak (hours)
Volume (ac-ft)
ElementInflow Type
0.000.0000.000DA7Flow (From) 0.000.0000.000OUTFALL #7Flow (In)
Storm Event: 95th Percentile StormLabel: OUTFALL #8 Return Event: 0 yearsSubsection: Addition Summary
Summary for Hydrograph Addition at 'OUTFALL #8'
U…
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