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2015-09-01 Cul-de-Sac Stormwater 9/25/18
ti BRADSHAWrev3hcp Type M 24-hr 2YR Rainfall=3.15" Prepared by {enter your company name here) Printed 9/25/2018 HydroCAD0 9.00 sln 01057 ©2009 HydroCAD Software Solutions LLC Paae 1 Summary for Pond 1 P: CUL-DE-SAC Inflow Area = 0.111 ac, 50.00% Impervious, Inflow Depth > 1.06" for 2YR event Inflow - 0.15 cfs @ 12.01 hrs, Volume= 0.010 of Outflow = 0.01 cfs @ 13.34 hrs, Volume= 0.010 af, Atten= 91%, Lag= 80.0 min Discarded = 0.01 cfs @ 13.34 hrs, Volume= 0.010 of Routing by Stor-Ind method, Time Span= 0,00-24.00 hrs, dt= 0.05 hrs Peak Elev= 139.64' @ 13.34 hrs Surf.Area= 554 sf Storage= 161 of Plug-Flow detention time= 121.1 min calculated for 0.010 of(100% of inflow) Center-of-Mass dot. time= 119.2 min ( 973.6 - 854.4 ) Volume Invert Avail.Stora e Storage Description #1A 139.00' 450 of 16.17'W x 30.481 x 2.33'H Field A Z=1.0 1,421 cf Overall - 295 of Embedded = 1,126 of x 40.0%Voids #2A 139,50' 295 of StormTech SC-310 x 20 Inside#1 Effective Size= 28.9"W x 16.0"H => 2.07 sf x 7.121 = 14.7 cf Overall Size= 34.0"W x 16.0"H x 7.56'L with 0.44' Overlap #3 141.83' 1,396 of Custom Stage Data Prismatic Listed below Recalc 2,140 of Total Available Storage Storage Group A created with Chamber Wizard Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 141.83 5 0 0 142.00 1,019 87 87 143.00 1,597 1,308 1,395 Device Routing Invert Outlet Devices #1 Discarded 139,00' 1.020 Inlhr Exfiltration over Horizontal area Qiscarded OutFtow Max=0.01 cfs @ 13.34 hrs HW=139.64' (Free Discharge) c--1=Exfiltration (Exfiltration Controls 0A1 cfs) BRADSHAWrev3hcp Type Ill 24-hr 2YR Rainfall=3.15" Prepared by {enter your company name here} Printed 9/25/2018 H droCADO 9.00 s/n 01057 ©2009 H droCAD Software Solutions LLC Page 2 Pond 1P: CUL-DE-SAC - Chamber Wizard Field A Chamber Model= StormTech SC-310 Effective Size= 28.9"W x 16.0"H => 2.07 sf x 7.121 = 14.7 of Overall Size= 34.0"W x 16.0"H x 7.561 with 0.44' Overlap 34.0" Wide + 0.0" Spacing = 34,0" C-C 4 Chambers/Row x 7.12' Long = 28.48' + 12.0" End Stone x 2 = 30.48' Base Length 5 Rows x 34,0"Wide + 12.0" Side Stone x 2 = 16,17' Base Width 6.0" Base + 16.0" Chamber Height+ 6.0" Cover= 2.33' Field Height 1.0 '1' Side-Z x Height = 28.0" FiarelSide Base Length + Flare x 2 = 35.15' Top Length Base Width + Flare x 2 = 20.83' Top Length 20 Chambers x 14.7 cf= 294.8 cf Chamber Storage 1,420.7 of Field -294.8 cf Chambers = 1,125.8 cf Stone x 40.0%Voids = 450.3 cf Stone Storage Stone + Chamber Storage = 745,2 cf= 0.017 of 20 Chambers 52.6 cy Field 41,7 cy Stone i 1 BRADSHAWrev3hcp yp T ell! 2 4-hr 2YR Rainfall=3.15" Prepared by {enter your company name here) Printed 9/2512018 HydroCADO 9.00 sln 01057 O 2009 HydroCAD Software Solutions LLC Paae 3 i Pond IP: CUB-DE-SAC Hydrograph 0.15 CAS Inflow EM 0.16 Inflow Ares=0.111 ac Discarded 0.14 Peak Elev=139.64" 0.12-' Storage=161 cf 3 0.08 _o U. 0.06- 0.04- o.o1 Cis 0.02-: i�I;i;iil:lll''llll�ilill INNER!! 0-. Al EFR 0 2 4 6 8 10 12 14 16 18 20 22 24 Time (hours) i i i i i 1 I BRADSHAWrev3hcp Type 11124-hr 10YR Rainfall=4,83" Prepared by{enter your company name here} Printed 9/25/2018 M droCAD®9,00 sln 01057 0 2009 H droCAD Software Solutions LLC Pacie 4 Summary for Pond 1P: CUL-DE-SAC Inflow Area = 0.111 ac, 50.00% Impervious, Inflow Depth > 2.31" for 10YR event Inflow = 0.34 cfs @ 12,01 hrs, Volume= U21 of Outflow = 0.02 cfs @ 15.08 hrs, Volume= 0.016 af, Atten= 96%, Lag= 184.5 min Discarded = 0.02 cfs @ 15.08 hrs, Volume= 0.016 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 140.44' @ 15,08 hrs Surf.Area= 636 sf Storage= 483 of Plug-Flow detention time= 295.7 min calculated for 0.016 of(74% of inflow) Center-of-Mass dot. time= 205.3 min ( 1,036.5 - 831.2 ) Volume Invert AvaiLStora a Storage Description #1A 139.00' 450 of 16.17'W x 30.481 x 2.33'H Field A Z=1.0 1,421 of Overall - 295 of Embedded = 1,126 of x 40.0% Voids 92A 139.50' 295 of StormTech SC-310 x 20 Inside#1 Effective Size= 28.9"W x 16.0"H => 2.07 sf x 7.12'L = 14.7 of Overall Size= 34.0"W x 16.0"H x 7,56'L with 0,44' Overlap #3 141.83' 1,395 of Custom Stage Data (Prismatic)Listed below (Recalc) 2,140 of Total Available Storage Storage Group A created with Chamber Wizard Elevation Surf.Area Inc.Store Cum.Store feet s -ft cubic-feet cubic-feet 141.83 5 0 0 142.00 1,019 87 87 143.00 1,597 1,308 1,395 Device Routing Invert Outlet Devices #1 Discarded 139,00' 1.020 inlhr Exfiltration over Horizontal area Qiscarded OutFlow Max=0.02 cfs @ 15.08 hrs HW=140.44' (Free Discharge) z--1=Exf1lltration (Exfiltration Controls 0.02 cfs) BRADSHAWrev3hcp Type /// 24-hr IOYR Rainfall=4.83" Prepared by{enter your company name here) Printed 9/25/2018 H droCAD®9.00 sfn 01057 02009 H droCAD Software Solutions LLC Page 5 Pond IP; CUL-DE-SAC - Chamber Wizard Field A Chamber Model= StormTech SC-310 Effective Size= 28.9"W x 16.0"H => 2.07 sf x 7.12'L = 14.7 cf Overall Size= 34.0"W x 16.0"H x 7.561 with 0.44' Overlap 34.0" Wide + 0.0" Spacing = 34.0" C-C 4 Chambers/Row x 7.12' Long = 28.48' + 12.0" End Stone x 2 = 30.48' Base Length 5 Rows x 34.0" Wide + 12.0" Side Stone x 2 = 16.17' Base Width 6.0" Base + 16.0" Chamber Height + 6.0" Cover= 2.33' Field Height 1,0 T Slde-Z x Height = 28.0" Flare/Side Base Length + Flare x 2 = 35.15' Top Length Base Width + Flare x 2 = 20.83' Top Length 20 Chambers x 14.7 cf= 294,8 cf Chamber Storage 1,420.7 cf Field -294.8 cf Chambers = 1,125.8 cf Stone x 40.0%Voids = 450.3 of Stone Storage Stone + Chamber Storage = 745.2 cf= 0.017 of 20 Chambers 52.6 cy Field 41.7 cy Stone q i I BRADSHAWrev3hcp Type !ll 24-hr 90YR Rainfall=4.83" i Prepared by (enter your company name here) Printed 9/25/2018 H droCADO 9,00 sln 01057 ©2009 H droCAD Software Solutions LLC Page 6 Pond 1P: CUL-DE-SAC Hydrograph 0.34 Cfs inflow Discarded 0.35: Inflow Area=0.111 ac Peak Elev=140,44' 0.3" Storage=483 Cf 0.25 N U 0.2_ 3 p LL 0,15 0.1- 0.05 0.02 cfs l 10 0 . 0 2 4 6 8 10 12 14 16 18 20 22 24 Time (hours) 1 BRADSHAWrev3hcp Type 11124-hr 25YR Rainfall=6.16" Prepared by (enter your company name here) Printed 9/25/2018 HydroCAD09.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 7 Summary for Pond 1P: CUL-DE-SAC Inflow Area = 0.111 ac, 50.00% Impervious, Inflow Depth > 3.42" for 25YR event Inflow - 0.51 cfs @ 12.01 hrs, Volume= 0.032 of Outflow = 0.03 cfs @ 14.34 hrs, Volume= 0.020 af, Atten= 95%, Lag= 139.9 min Discarded = 0.03 cfs @ 14.34 hrs, Volume= 0.020 of Routing by Star-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 141.89' @ 14.34 hrs Surf.Area= 1,073 sf Storage= 755 cf Plug-Flow detention time= 298.0 min calculated for 0.020 of(63% of inflow) Center-of-Mass dot. time= 193.4 min ( 1,013.2 - 819.9 ) Volume Invert Avail.Stora a Storage Description #1 A 139.00' 450 cf 16.17'W x 30.48'I_ x 2.33'H Field A Z=1.0 1,421 cf Overall - 295 cf Embedded = 1,126 cf x 40.0% Voids #2A 139.50' 295 cf StormTech SC-310 x 20 Inside#1 Effective Size= 28.9"W x 16.0"H => 2.07 sf x 7.121 = 14.7 cf Overall Size= 34.0"W x 16.0"H x 7.56'L with 0.44' Overlap #3 141.83' 1,395 cf Custom Sta a Data Prismatic Listed below Recalc 2,140 cf Total Available Storage Storage Group A created with Chamber Wizard Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 141.83 5 0 0 142.00 1,019 87 87 143.00 1,597 1,308 1,395 Device Routing Invert Outlet Devices #1 Discarded 139.00' 1.020 inlhr Exfiitration over Horizontal area Pscarded OutFlow Max=0.03 cfs @ 14.34 hrs HW=141.89' (Free Discharge) 1=Exfiitration (Exfiltration Controls 0.03 cfs) i BRADSHAWrev3hcp Type 11124-hr 25YR Rainfall=6.16" Prepared by (enter your company name here) Printed 9/25/2018 H droCAD0 9.00 sln 01057 02009 H droCAD Software Solutions LLC Page 8 Pond 1P: CUL-DE-SAC - Chamber Wizard Field A Chamber Model= StormTech SC-310 Effective Size= 28.9"W x 16,0"H => 2.07 sf x 7.121 = 14.7 cf Overall Size= 34.0"W x 16.0"H x 7.56'L with 0,44' Overlap 34.0" Wide + 0.0" Spacing = 34.0" C-C 4 Chambers/Row x 7.12' Long = 28.48' + 12,0" End Stone x 2 = 30.48' Base Length 5 Rows x 34.0" Wide + 12.0" Side Stone x 2 = 16.17' Base Width 6.0" Base + 16.0" Chamber Height+ 6.0" Cover= 2.33' Field Height 1.0 T Side-Z x Height = 28.0" Flare/Side Base Length + Hare x 2 = 35.15'Top Length Base Width + Flare x 2 = 20.83' Top Length 20 Chambers x 14.7 of= 294.8 cf Chamber Storage 1,420.7 cf Field -294.8 cf Chambers 1,125.8 cf Stone x 40.0%Voids = 450.3 cf Stone Storage Stone + Chamber Storage = 745.2 cf= 0A17 of 20 Chambers 52.6 cy Field 41.7 cy Stone r 1 i BRADSHAWrev3hcp Type 111 24-hr 25YR Rainfall=6.16" Prepared by (enter your company name here) Printed 9/25/2018 H droCADO 9.00 sln 01057 ©2009 H droCAD Software Solutions LLC Page 9 Pond 1P: CUL-DE-SAC Hydrograph 0.51 CfS In 0.55-"" Discarded Inflow Area=0.111 ac 0.5 OA5 Peak Elev=141'.89' 0.4 Storage=755 cf 0.35 0.3 0 0.25 uw 0.2. 0.15 o. 0.03 cfs 0.05 0 2 4 6 8 10 12 14 16 18 20 22 24 Time (hours) BRADSHAWrev3hcp Type i1124-hr 100YR Rainfall=8.94" Prepared by (enter your company name here) Printed 9/25/2018 H droCAD®9.00 sln 01057 ©2009 H droCAD Software Solutions LLC Page 10 Summary for Pond 1 P: CUL-DE-SAC Inflow Area = 0.111 ac, 50.00% Impervious, Inflow Depth > 5.90" for 100YR event Inflow - 0.87 cfs @ 12.00 hrs, Volume= 0.054 of Outflow _ 0.05 cfs @ 13.85 hrs, Volume= 0.039 af, Atten= 95%, Lag= 110.7 min Discarded = 0.05 cfs @ 13.85 hrs, Volume= 0.039 of Routing by Stor-Ind method, Time Span= 0.00-24.00 hrs, dt= 0.05 hrs Peak Elev= 142.38' @ 13.85 hrs Surf.Area= 1,973 sf Storage= 1,266 cf Plug-Flow detention time= 262.9 min calculated for 0.039 of(72% of inflow) Center-of-Mass det. time= 173.2 min ( 977.5 - 804.3 ) Volume Invert Avaii.Stora a Storage Description #1A 139.00' 450 of 16.17'W x 30.481 x 2.33'H Field A Z=1.0 1,421 cf Overall - 295 cf Embedded = 1,126 cf x 40.0% Voids #2A 139,50' 295 cf StormTech SC-310 x 20 Inside#1 Effective Size= 28.9"W x 16.0"H => 2.07 sf x 7.12'L = 14.7 of Overall Size= 34.0"W x 16.0"H x 7.56'L with 0.44' Overlap #3 141.83' 1,395 of Custom Stage Data Prismatic Listed below Recalc 2,140 cf Total Available Storage Storage Group A created with Chamber Wizard Elevation Surf.Area Inc.Store Cum.Store feet s -ft cubic-feet cubic-feet 141.83 5 0 0 142.00 1,019 87 87 143.00 1,597 1,308 1,395 Device Routing Invert Outlet Devices #1 Discarded 139.00' 1.020 inlhr Exfiltration over Horizontal area Nscarded OutFlow Max=0A5 cfs @ 13.85 hrs HW=142.38' (Free Discharge) ---1=Exfiltration (Exfiltration Controls 0.05 cfs) i BRADSHAWrev3hcp Type f1124-hr 100YR Rainfalf=8,94" Prepared by {enter your company name here} Printed 9/25/2018 HydroCAD®9.00 s/n 01057 0 2009 HydroCAD Software Solutions LLC Page 11 Pond 1 P, CUL-DE-SAC - Chamber Wizard Field A Chamber Model= StormTech SC-310 Effective Size= 28.9"W x 16.0"H => 2.07 sf x 7,12'L = 14.7 cf Overall Size= 34.0"W x 16.0"H x 7.561 with 0.44' Overiap 34.0"Wide + 0.0" Spacing = 34.0" C-C 4 Chambers/Row x 7.12' Long = 28.48' + 12.0" End Stone x 2 = 30.48' Base Length 5 Rows x 34.0" Wide + 12.0" Side Stone x 2 = 16.17' Base Width 6.0" Base + 16.0" Chamber Height + 6.0" Cover= 2,33' Field Height 1.0 T Side-Z x Height = 28.0" Flare/Side Base Length + Flare x 2 = 35.15' Top Length Base Width + Flare x 2 = 20.83' Top Length 20 Chambers x 14.7 cf= 294.8 cf Chamber Storage 1,420.7 cf Field - 294.8 of Chambers = 1,125.8 cf Stone x 40.0% Voids = 450.3 cf Stone Storage Stone + Chamber Storage = 745.2 of= 0.017 of 20 Chambers 52.6 cy Field 41.7 cy Stone BRADSHAWrev3hcp Type !U 24-hr 1OOYR Rainfall=8.94" Prepared by {enter your company name here} Printed 9/25/2018 H droCAD®9.00 sln 01057 OO 2009 H droCAD Software Solutions LLC Page 12 Pond 1 P: CUL-DE-SAC Hydrograph 0.87 CfS Inflow 11 Discarded 0.9 Inflow Area=0.111 ac 0.8 Peak Elev=142.38' 0.7 Storage=1 ,266'cf a 0.6 0.5 3 ° 0.4- 0.3._: 0.2- a. = 0.05 IS o 0 2 4 6 8 10 12 14 16 18 20 22 24 Time (hours)