Nena's Market - Nenas Mkt SCM Asbuilt Analysis_012318

1S
Pre-Developed
3S
Post-Developed
4P
Sediment & Area Above
Sand Combined
Routing Diagram for Nenas Mrk BMP Asbuilt Analysis_012318
Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net, Printed 1/23/2018
HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
Subcat Reach Pond Link
Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 2HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Area Listing (all nodes)
Area
(acres)
CN Description
(subcatchment-numbers)
1.324 86 <50% Grass cover, Poor, HSG C (1S)
0.280 89 <50% Grass cover, Poor, HSG D (1S)
0.644 74 >75% Grass cover, Good, HSG C (3S)
1.420 98 Paved parking & roofs (1S, 3S)
3.669 89 TOTAL AREA
Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 3HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Soil Listing (all nodes)
Area
(acres)
Soil
Group
Subcatchment
Numbers
0.000 HSG A
0.000 HSG B
1.968 HSG C 1S, 3S
0.280 HSG D 1S
1.420 Other 1S, 3S
3.669 TOTAL AREA
Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 4HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Ground Covers (all nodes)
HSG-A
(acres)
HSG-B
(acres)
HSG-C
(acres)
HSG-D
(acres)
Other
(acres)
Total
(acres)
Ground
Cover
Subcatchment
Numbers
0.000 0.000 1.324 0.280 0.000 1.604 <50% Grass cover, Poor 1S
0.000 0.000 0.644 0.000 0.000 0.644 >75% Grass cover, Good 3S
0.000 0.000 0.000 0.000 1.420 1.420 Paved parking & roofs 1S, 3S
0.000 0.000 1.968 0.280 1.420 3.669 TOTAL AREA
Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 5HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Pipe Listing (all nodes)
Line# Node
Number
In-Invert
(feet)
Out-Invert
(feet)
Length
(feet)
Slope
(ft/ft)
n Diam/Width
(inches)
Height
(inches)
Inside-Fill
(inches)
1 4P 481.90 480.31 28.0 0.0568 0.010 12.0 0.0 0.0
Type II 24-hr 1 Year Rainfall=2.94"Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 6HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Time span=0.00-24.00 hrs, dt=0.05 hrs, 481 points
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN
Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method
Peak Elev=483.63' Storage=6,244 cf Inflow=5.94 cfs 0.295 afPond 4P: Sediment & Area Above Sand
Primary=1.60 cfs 0.113 af Secondary=0.00 cfs 0.000 af Tertiary=0.07 cfs 0.070 af Outflow=1.67 cfs 0.183 af
Type II 24-hr 1 Year Rainfall=2.94"Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 7HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Summary for Pond 4P: Sediment & Area Above Sand Combined
Inflow Area = 1.834 ac, 64.88% Impervious, Inflow Depth > 1.93" for 1 Year event
Inflow = 5.94 cfs @ 11.97 hrs, Volume= 0.295 af
Outflow = 1.67 cfs @ 12.12 hrs, Volume= 0.183 af, Atten= 72%, Lag= 9.1 min
Primary = 1.60 cfs @ 12.12 hrs, Volume= 0.113 af
Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af
Tertiary = 0.07 cfs @ 12.12 hrs, Volume= 0.070 af
Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs
Peak Elev= 483.63' @ 12.12 hrs Surf.Area= 3,489 sf Storage= 6,244 cf
Plug-Flow detention time= 197.0 min calculated for 0.183 af (62% of inflow)
Center-of-Mass det. time= 92.4 min ( 898.8 - 806.5 )
Volume Invert Avail.Storage Storage Description
#1 481.00' 15,526 cf Custom Stage Data (Prismatic) Listed below (Recalc)
Elevation Surf.Area Inc.Store Cum.Store
(feet) (sq-ft) (cubic-feet) (cubic-feet)
481.00 628 0 0
481.40 1,693 464 464
482.00 2,132 1,148 1,612
483.00 3,041 2,587 4,198
484.00 3,756 3,399 7,597
485.00 4,775 4,266 11,862
485.75 4,995 3,664 15,526
Device Routing Invert Outlet Devices
#1 Primary 481.90'12.0" Round Culvert
L= 28.0' CPP, square edge headwall, Ke= 0.500
Inlet / Outlet Invert= 481.90' / 480.31' S= 0.0568 '/' Cc= 0.900
n= 0.010 PVC, smooth interior, Flow Area= 0.79 sf
#2 Tertiary 481.40'Special & User-Defined
Head (feet) 0.00 0.25 0.50 0.75 1.00 2.00 3.00 4.00
Disch. (cfs) 0.000 0.041 0.045 0.049 0.052 0.067 0.082 0.097
#3 Device 1 483.23'12.0" W x 26.5" H Vert. Orifice/Grate X 2.00 C= 0.600
#4 Secondary 484.86'10.0' long x 20.0' breadth Broad-Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60
Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63
Type II 24-hr 1 Year Rainfall=2.94"Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 8HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Primary OutFlow Max=1.55 cfs @ 12.12 hrs HW=483.62' (Free Discharge)
1=Culvert (Passes 1.55 cfs of 4.17 cfs potential flow)
3=Orifice/Grate (Orifice Controls 1.55 cfs @ 2.00 fps)
Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=481.00' (Free Discharge)
4=Broad-Crested Rectangular Weir ( Controls 0.00 cfs)
Tertiary OutFlow Max=0.07 cfs @ 12.12 hrs HW=483.62' (Free Discharge)
2=Special & User-Defined (Custom Controls 0.07 cfs)
Pond 4P: Sediment & Area Above Sand Combined
Inflow
Outflow
Primary
Secondary
Tertiary
Hydrograph
Time (hours)
2423222120191817161514131211109876543210Flow (cfs)6
5
4
3
2
1
0
Inflow Area=1.834 ac
Peak Elev=483.63'
Storage=6,244 cf
5.94 cfs
1.67 cfs
1.60 cfs
0.00 cfs
0.07 cfs
Type II 24-hr 2 Year Rainfall=3.55"Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 9HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Time span=0.00-24.00 hrs, dt=0.05 hrs, 481 points
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN
Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method
Peak Elev=483.92' Storage=7,302 cf Inflow=7.58 cfs 0.381 afPond 4P: Sediment & Area Above Sand
Primary=3.68 cfs 0.195 af Secondary=0.00 cfs 0.000 af Tertiary=0.07 cfs 0.073 af Outflow=3.76 cfs 0.268 af
Type II 24-hr 2 Year Rainfall=3.55"Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 10HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Summary for Pond 4P: Sediment & Area Above Sand Combined
Inflow Area = 1.834 ac, 64.88% Impervious, Inflow Depth > 2.49" for 2 Year event
Inflow = 7.58 cfs @ 11.97 hrs, Volume= 0.381 af
Outflow = 3.76 cfs @ 12.07 hrs, Volume= 0.268 af, Atten= 50%, Lag= 6.3 min
Primary = 3.68 cfs @ 12.07 hrs, Volume= 0.195 af
Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af
Tertiary = 0.07 cfs @ 12.07 hrs, Volume= 0.073 af
Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs
Peak Elev= 483.92' @ 12.07 hrs Surf.Area= 3,700 sf Storage= 7,302 cf
Plug-Flow detention time= 164.7 min calculated for 0.268 af (70% of inflow)
Center-of-Mass det. time= 68.3 min ( 867.5 - 799.2 )
Volume Invert Avail.Storage Storage Description
#1 481.00' 15,526 cf Custom Stage Data (Prismatic) Listed below (Recalc)
Elevation Surf.Area Inc.Store Cum.Store
(feet) (sq-ft) (cubic-feet) (cubic-feet)
481.00 628 0 0
481.40 1,693 464 464
482.00 2,132 1,148 1,612
483.00 3,041 2,587 4,198
484.00 3,756 3,399 7,597
485.00 4,775 4,266 11,862
485.75 4,995 3,664 15,526
Device Routing Invert Outlet Devices
#1 Primary 481.90'12.0" Round Culvert
L= 28.0' CPP, square edge headwall, Ke= 0.500
Inlet / Outlet Invert= 481.90' / 480.31' S= 0.0568 '/' Cc= 0.900
n= 0.010 PVC, smooth interior, Flow Area= 0.79 sf
#2 Tertiary 481.40'Special & User-Defined
Head (feet) 0.00 0.25 0.50 0.75 1.00 2.00 3.00 4.00
Disch. (cfs) 0.000 0.041 0.045 0.049 0.052 0.067 0.082 0.097
#3 Device 1 483.23'12.0" W x 26.5" H Vert. Orifice/Grate X 2.00 C= 0.600
#4 Secondary 484.86'10.0' long x 20.0' breadth Broad-Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60
Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63
Type II 24-hr 2 Year Rainfall=3.55"Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 11HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Primary OutFlow Max=3.55 cfs @ 12.07 hrs HW=483.90' (Free Discharge)
1=Culvert (Passes 3.55 cfs of 4.64 cfs potential flow)
3=Orifice/Grate (Orifice Controls 3.55 cfs @ 2.64 fps)
Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=481.00' (Free Discharge)
4=Broad-Crested Rectangular Weir ( Controls 0.00 cfs)
Tertiary OutFlow Max=0.07 cfs @ 12.07 hrs HW=483.90' (Free Discharge)
2=Special & User-Defined (Custom Controls 0.07 cfs)
Pond 4P: Sediment & Area Above Sand Combined
Inflow
Outflow
Primary
Secondary
Tertiary
Hydrograph
Time (hours)
2423222120191817161514131211109876543210Flow (cfs)8
7
6
5
4
3
2
1
0
Inflow Area=1.834 ac
Peak Elev=483.92'
Storage=7,302 cf
7.58 cfs
3.76 cfs
3.68 cfs
0.00 cfs
0.07 cfs
Type II 24-hr 10 Year Rainfall=5.18"Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 12HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Time span=0.00-24.00 hrs, dt=0.05 hrs, 481 points
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN
Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method
Peak Elev=484.66' Storage=10,296 cf Inflow=11.96 cfs 0.619 afPond 4P: Sediment & Area Above Sand
Primary=5.68 cfs 0.422 af Secondary=0.00 cfs 0.000 af Tertiary=0.09 cfs 0.082 af Outflow=5.77 cfs 0.504 af
Type II 24-hr 10 Year Rainfall=5.18"Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 13HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Summary for Pond 4P: Sediment & Area Above Sand Combined
Inflow Area = 1.834 ac, 64.88% Impervious, Inflow Depth > 4.05" for 10 Year event
Inflow = 11.96 cfs @ 11.96 hrs, Volume= 0.619 af
Outflow = 5.77 cfs @ 12.07 hrs, Volume= 0.504 af, Atten= 52%, Lag= 6.3 min
Primary = 5.68 cfs @ 12.07 hrs, Volume= 0.422 af
Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af
Tertiary = 0.09 cfs @ 12.07 hrs, Volume= 0.082 af
Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs
Peak Elev= 484.66' @ 12.07 hrs Surf.Area= 4,428 sf Storage= 10,296 cf
Plug-Flow detention time= 125.8 min calculated for 0.502 af (81% of inflow)
Center-of-Mass det. time= 50.3 min ( 835.9 - 785.7 )
Volume Invert Avail.Storage Storage Description
#1 481.00' 15,526 cf Custom Stage Data (Prismatic) Listed below (Recalc)
Elevation Surf.Area Inc.Store Cum.Store
(feet) (sq-ft) (cubic-feet) (cubic-feet)
481.00 628 0 0
481.40 1,693 464 464
482.00 2,132 1,148 1,612
483.00 3,041 2,587 4,198
484.00 3,756 3,399 7,597
485.00 4,775 4,266 11,862
485.75 4,995 3,664 15,526
Device Routing Invert Outlet Devices
#1 Primary 481.90'12.0" Round Culvert
L= 28.0' CPP, square edge headwall, Ke= 0.500
Inlet / Outlet Invert= 481.90' / 480.31' S= 0.0568 '/' Cc= 0.900
n= 0.010 PVC, smooth interior, Flow Area= 0.79 sf
#2 Tertiary 481.40'Special & User-Defined
Head (feet) 0.00 0.25 0.50 0.75 1.00 2.00 3.00 4.00
Disch. (cfs) 0.000 0.041 0.045 0.049 0.052 0.067 0.082 0.097
#3 Device 1 483.23'12.0" W x 26.5" H Vert. Orifice/Grate X 2.00 C= 0.600
#4 Secondary 484.86'10.0' long x 20.0' breadth Broad-Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60
Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63
Type II 24-hr 10 Year Rainfall=5.18"Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 14HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Primary OutFlow Max=5.66 cfs @ 12.07 hrs HW=484.64' (Free Discharge)
1=Culvert (Inlet Controls 5.66 cfs @ 7.21 fps)
3=Orifice/Grate (Passes 5.66 cfs of 10.76 cfs potential flow)
Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=481.00' (Free Discharge)
4=Broad-Crested Rectangular Weir ( Controls 0.00 cfs)
Tertiary OutFlow Max=0.09 cfs @ 12.07 hrs HW=484.64' (Free Discharge)
2=Special & User-Defined (Custom Controls 0.09 cfs)
Pond 4P: Sediment & Area Above Sand Combined
Inflow
Outflow
Primary
Secondary
Tertiary
Hydrograph
Time (hours)
2423222120191817161514131211109876543210Flow (cfs)13
12
11
10
9
8
7
6
5
4
3
2
1
0
Inflow Area=1.834 ac
Peak Elev=484.66'
Storage=10,296 cf
11.96 cfs
5.77 cfs
5.68 cfs
0.00 cfs
0.09 cfs
Type II 24-hr 25 Year Rainfall=6.18"Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 15HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Time span=0.00-24.00 hrs, dt=0.05 hrs, 481 points
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN
Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method
Peak Elev=485.04' Storage=12,055 cf Inflow=14.63 cfs 0.767 afPond 4P: Sediment & Area Above Sand
Primary=6.14 cfs 0.551 af Secondary=2.01 cfs 0.013 af Tertiary=0.09 cfs 0.086 af Outflow=8.24 cfs 0.651 af
Type II 24-hr 25 Year Rainfall=6.18"Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 16HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Summary for Pond 4P: Sediment & Area Above Sand Combined
Inflow Area = 1.834 ac, 64.88% Impervious, Inflow Depth > 5.02" for 25 Year event
Inflow = 14.63 cfs @ 11.96 hrs, Volume= 0.767 af
Outflow = 8.24 cfs @ 12.06 hrs, Volume= 0.651 af, Atten= 44%, Lag= 5.8 min
Primary = 6.14 cfs @ 12.06 hrs, Volume= 0.551 af
Secondary = 2.01 cfs @ 12.06 hrs, Volume= 0.013 af
Tertiary = 0.09 cfs @ 12.06 hrs, Volume= 0.086 af
Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs
Peak Elev= 485.04' @ 12.06 hrs Surf.Area= 4,787 sf Storage= 12,055 cf
Plug-Flow detention time= 114.5 min calculated for 0.651 af (85% of inflow)
Center-of-Mass det. time= 46.9 min ( 826.8 - 779.8 )
Volume Invert Avail.Storage Storage Description
#1 481.00' 15,526 cf Custom Stage Data (Prismatic) Listed below (Recalc)
Elevation Surf.Area Inc.Store Cum.Store
(feet) (sq-ft) (cubic-feet) (cubic-feet)
481.00 628 0 0
481.40 1,693 464 464
482.00 2,132 1,148 1,612
483.00 3,041 2,587 4,198
484.00 3,756 3,399 7,597
485.00 4,775 4,266 11,862
485.75 4,995 3,664 15,526
Device Routing Invert Outlet Devices
#1 Primary 481.90'12.0" Round Culvert
L= 28.0' CPP, square edge headwall, Ke= 0.500
Inlet / Outlet Invert= 481.90' / 480.31' S= 0.0568 '/' Cc= 0.900
n= 0.010 PVC, smooth interior, Flow Area= 0.79 sf
#2 Tertiary 481.40'Special & User-Defined
Head (feet) 0.00 0.25 0.50 0.75 1.00 2.00 3.00 4.00
Disch. (cfs) 0.000 0.041 0.045 0.049 0.052 0.067 0.082 0.097
#3 Device 1 483.23'12.0" W x 26.5" H Vert. Orifice/Grate X 2.00 C= 0.600
#4 Secondary 484.86'10.0' long x 20.0' breadth Broad-Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60
Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63
Type II 24-hr 25 Year Rainfall=6.18"Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 17HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Primary OutFlow Max=6.12 cfs @ 12.06 hrs HW=485.02' (Free Discharge)
1=Culvert (Inlet Controls 6.12 cfs @ 7.80 fps)
3=Orifice/Grate (Passes 6.12 cfs of 15.40 cfs potential flow)
Secondary OutFlow Max=1.79 cfs @ 12.06 hrs HW=485.02' (Free Discharge)
4=Broad-Crested Rectangular Weir (Weir Controls 1.79 cfs @ 1.09 fps)
Tertiary OutFlow Max=0.09 cfs @ 12.06 hrs HW=485.02' (Free Discharge)
2=Special & User-Defined (Custom Controls 0.09 cfs)
Pond 4P: Sediment & Area Above Sand Combined
Inflow
Outflow
Primary
Secondary
Tertiary
Hydrograph
Time (hours)
2423222120191817161514131211109876543210Flow (cfs)16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Inflow Area=1.834 ac
Peak Elev=485.04'
Storage=12,055 cf
14.63 cfs
8.24 cfs
6.14 cfs
2.01 cfs
0.09 cfs
Type II 24-hr 50 Year Rainfall=6.98"Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 18HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Time span=0.00-24.00 hrs, dt=0.05 hrs, 481 points
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN
Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method
Peak Elev=485.19' Storage=12,752 cf Inflow=16.75 cfs 0.886 afPond 4P: Sediment & Area Above Sand
Primary=6.31 cfs 0.632 af Secondary=4.99 cfs 0.047 af Tertiary=0.09 cfs 0.090 af Outflow=11.40 cfs 0.770 af
Type II 24-hr 50 Year Rainfall=6.98"Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 19HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Summary for Pond 4P: Sediment & Area Above Sand Combined
Inflow Area = 1.834 ac, 64.88% Impervious, Inflow Depth > 5.80" for 50 Year event
Inflow = 16.75 cfs @ 11.96 hrs, Volume= 0.886 af
Outflow = 11.40 cfs @ 12.05 hrs, Volume= 0.770 af, Atten= 32%, Lag= 5.0 min
Primary = 6.31 cfs @ 12.05 hrs, Volume= 0.632 af
Secondary = 4.99 cfs @ 12.05 hrs, Volume= 0.047 af
Tertiary = 0.09 cfs @ 12.05 hrs, Volume= 0.090 af
Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs
Peak Elev= 485.19' @ 12.05 hrs Surf.Area= 4,829 sf Storage= 12,752 cf
Plug-Flow detention time= 105.9 min calculated for 0.768 af (87% of inflow)
Center-of-Mass det. time= 44.8 min ( 820.8 - 776.0 )
Volume Invert Avail.Storage Storage Description
#1 481.00' 15,526 cf Custom Stage Data (Prismatic) Listed below (Recalc)
Elevation Surf.Area Inc.Store Cum.Store
(feet) (sq-ft) (cubic-feet) (cubic-feet)
481.00 628 0 0
481.40 1,693 464 464
482.00 2,132 1,148 1,612
483.00 3,041 2,587 4,198
484.00 3,756 3,399 7,597
485.00 4,775 4,266 11,862
485.75 4,995 3,664 15,526
Device Routing Invert Outlet Devices
#1 Primary 481.90'12.0" Round Culvert
L= 28.0' CPP, square edge headwall, Ke= 0.500
Inlet / Outlet Invert= 481.90' / 480.31' S= 0.0568 '/' Cc= 0.900
n= 0.010 PVC, smooth interior, Flow Area= 0.79 sf
#2 Tertiary 481.40'Special & User-Defined
Head (feet) 0.00 0.25 0.50 0.75 1.00 2.00 3.00 4.00
Disch. (cfs) 0.000 0.041 0.045 0.049 0.052 0.067 0.082 0.097
#3 Device 1 483.23'12.0" W x 26.5" H Vert. Orifice/Grate X 2.00 C= 0.600
#4 Secondary 484.86'10.0' long x 20.0' breadth Broad-Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60
Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63
Type II 24-hr 50 Year Rainfall=6.98"Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 20HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Primary OutFlow Max=6.30 cfs @ 12.05 hrs HW=485.18' (Free Discharge)
1=Culvert (Inlet Controls 6.30 cfs @ 8.03 fps)
3=Orifice/Grate (Passes 6.30 cfs of 17.46 cfs potential flow)
Secondary OutFlow Max=4.85 cfs @ 12.05 hrs HW=485.18' (Free Discharge)
4=Broad-Crested Rectangular Weir (Weir Controls 4.85 cfs @ 1.52 fps)
Tertiary OutFlow Max=0.09 cfs @ 12.05 hrs HW=485.18' (Free Discharge)
2=Special & User-Defined (Custom Controls 0.09 cfs)
Pond 4P: Sediment & Area Above Sand Combined
Inflow
Outflow
Primary
Secondary
Tertiary
Hydrograph
Time (hours)
2423222120191817161514131211109876543210Flow (cfs)18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Inflow Area=1.834 ac
Peak Elev=485.19'
Storage=12,752 cf
16.75 cfs
11.40 cfs
6.31 cfs
4.99 cfs
0.09 cfs
Type II 24-hr 100 Year Rainfall=7.82"Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 21HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Time span=0.00-24.00 hrs, dt=0.05 hrs, 481 points
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN
Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method
Peak Elev=485.30' Storage=13,311 cf Inflow=18.96 cfs 1.012 afPond 4P: Sediment & Area Above Sand
Primary=6.44 cfs 0.716 af Secondary=7.86 cfs 0.086 af Tertiary=0.10 cfs 0.093 af Outflow=14.39 cfs 0.895 af
Type II 24-hr 100 Year Rainfall=7.82"Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 22HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Summary for Pond 4P: Sediment & Area Above Sand Combined
Inflow Area = 1.834 ac, 64.88% Impervious, Inflow Depth > 6.62" for 100 Year event
Inflow = 18.96 cfs @ 11.96 hrs, Volume= 1.012 af
Outflow = 14.39 cfs @ 12.03 hrs, Volume= 0.895 af, Atten= 24%, Lag= 4.0 min
Primary = 6.44 cfs @ 12.03 hrs, Volume= 0.716 af
Secondary = 7.86 cfs @ 12.03 hrs, Volume= 0.086 af
Tertiary = 0.10 cfs @ 12.03 hrs, Volume= 0.093 af
Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs
Peak Elev= 485.30' @ 12.03 hrs Surf.Area= 4,863 sf Storage= 13,311 cf
Plug-Flow detention time= 99.1 min calculated for 0.893 af (88% of inflow)
Center-of-Mass det. time= 43.1 min ( 815.6 - 772.5 )
Volume Invert Avail.Storage Storage Description
#1 481.00' 15,526 cf Custom Stage Data (Prismatic) Listed below (Recalc)
Elevation Surf.Area Inc.Store Cum.Store
(feet) (sq-ft) (cubic-feet) (cubic-feet)
481.00 628 0 0
481.40 1,693 464 464
482.00 2,132 1,148 1,612
483.00 3,041 2,587 4,198
484.00 3,756 3,399 7,597
485.00 4,775 4,266 11,862
485.75 4,995 3,664 15,526
Device Routing Invert Outlet Devices
#1 Primary 481.90'12.0" Round Culvert
L= 28.0' CPP, square edge headwall, Ke= 0.500
Inlet / Outlet Invert= 481.90' / 480.31' S= 0.0568 '/' Cc= 0.900
n= 0.010 PVC, smooth interior, Flow Area= 0.79 sf
#2 Tertiary 481.40'Special & User-Defined
Head (feet) 0.00 0.25 0.50 0.75 1.00 2.00 3.00 4.00
Disch. (cfs) 0.000 0.041 0.045 0.049 0.052 0.067 0.082 0.097
#3 Device 1 483.23'12.0" W x 26.5" H Vert. Orifice/Grate X 2.00 C= 0.600
#4 Secondary 484.86'10.0' long x 20.0' breadth Broad-Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60
Coef. (English) 2.68 2.70 2.70 2.64 2.63 2.64 2.64 2.63
Type II 24-hr 100 Year Rainfall=7.82"Nenas Mrk BMP Asbuilt Analysis_012318
Printed 1/23/2018Prepared by HydroCAD SAMPLER 1-800-927-7246 www.hydrocad.net
Page 23HydroCAD® 10.00-20 Sampler s/n S13528 © 2017 HydroCAD Software Solutions LLC
This report was prepared with the free HydroCAD SAMPLER, which is licensed for evaluation and
educational use ONLY. For actual design or modeling applications you MUST use a full version of
HydroCAD which may be purchased at www.hydrocad.net. Full programs also include complete technical
support,training materials, and additional features which are essential for actual design work.
Primary OutFlow Max=6.42 cfs @ 12.03 hrs HW=485.28' (Free Discharge)
1=Culvert (Inlet Controls 6.42 cfs @ 8.17 fps)
3=Orifice/Grate (Passes 6.42 cfs of 18.86 cfs potential flow)
Secondary OutFlow Max=7.38 cfs @ 12.03 hrs HW=485.28' (Free Discharge)
4=Broad-Crested Rectangular Weir (Weir Controls 7.38 cfs @ 1.75 fps)
Tertiary OutFlow Max=0.10 cfs @ 12.03 hrs HW=485.28' (Free Discharge)
2=Special & User-Defined (Custom Controls 0.10 cfs)
Pond 4P: Sediment & Area Above Sand Combined
Inflow
Outflow
Primary
Secondary
Tertiary
Hydrograph
Time (hours)
2423222120191817161514131211109876543210Flow (cfs)21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Inflow Area=1.834 ac
Peak Elev=485.30'
Storage=13,311 cf
18.96 cfs
14.39 cfs
6.44 cfs7.86 cfs
0.10 cfs