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HomeMy WebLinkAbout2017 Drainage Diagram Salem St. P-1 C; DRIV�LOT1 PROPO�D pr�posed prop b sed z4oll � IdpII�nd L 9PP-- ---D ';f 7L v 8R CHAMBERS prop salem st (new Reach) (;PPC' P) l Al(new jubcat) PRC�SED PROPIOSED 10R CUVERT \ /� 17 _XF\ \\VEIL CHAMBERS prop ne - 3 P3A —1 PRO PI SED LOT3�RIVE 2 < !3P,\ prop se CHAMBERS /tea P-4 prop new P_51 internal f A Subcatl [Reach' on Drainage Diagram for SALEM ST6-7-17 I — I Prepared by{enter your company name here}, Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC SALEM T6-7-17 Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 2 Area Listing (all nodes) Area CN Description (acres) (subcatchment-numbers) 2.249 55 Woods, Good, HSG B (P-1A, P-1B1, P-1B2, P-2A, P-2B, P-3, P-4, P-5) 2.124 61 >75% Grass cover, Good, HSG B (P-1 A, P-1 B1, P-1 B2, P-1 C, P-2A, P-2B, P-2C, P-4, P-5, P3A) 0.348 98 Paved parking, HSG B (P-1C, P-2C, P3A) 4.720 TOTAL AREA SALEM ST6-7-17 P[Hp8Rad by 0sOhe[your company n8rD8 h8rel Printed 6/13/2017 Soil Listing (all nodes) Area Soil Suboatchment (acres) Gnup Numbers 0.000 HSGA 4.720 HSG 8 P'1A, P'1131. P-1B2, P-1C, P-2A, P-213. P'2C, P-3, P-4, P~5, P3A 0.000 HSG C 0.000 HSGD 0.000 Other 4.720 TOTAL AREA SALEM T6-7-17 Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 4 Pipe Listing (all nodes) Line# Node In-Invert Out-Invert Length Slope n Diam/Width Height Number (feet) (feet) (feet) (ft/ft) (inches) (inches) 1 10R 117.50 117.00 73.0 0.0068 0.009 36.0 12.0 SALEM ST6-7-17 Type 111 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 5 Time span=1.00-20.00 hrs, dt=0.05 hrs, 381 points Runoff by SCS TR-20 method, UH=SCS Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method SubcatchmentP-1A: PROPOSED Runoff Area=4,166 sf 0.00% Impervious Runoff Depth>0.30" Flow Length=113' Tc=5.5 min CN=58 Runoff=0.02 cfs 0.002 of SubcatchmentP-161: proposed Runoff Area=16,710 sf 0.00% Impervious Runoff Depth>0.26" Flow Length=185' Tc=8.1 min CN=57 Runoff=0.05 cfs 0.008 of SubcatchmentP-1 B2: proposed Runoff Area=14,384 sf 0.00% Impervious Runoff Depth>0.25" Flow Length=71' Slope=0.1400 '/' Tc=7.5 min CN=57 Runoff=0.04 cfs 0.007 of SubcatchmentP-1C: DRIVELOT1 Runoff Area=8,714 sf 32.64% Impervious Runoff Depth>0.90" Flow Length=50' Slope=0.3300 '/' Tc=0.4 min CN=73 Runoff=0.25 cfs 0.015 of SubcatchmentP-2A: PROPOSED Runoff Area=12,162 sf 0.00% Impervious Runoff Depth>0.26" Flow Length=130' Slope=0.1090 '/' Tc=7.0 min CN=57 Runoff=0.04 cfs 0.006 of SubcatchmentP-2B: PROPOSED Runoff Area=46,507 sf 0.00% Impervious Runoff Depth>0.28" Flow Length=423' Tc=13.2 min CN=58 Runoff=0.16 cfs 0.025 of SubcatchmentP-2C: (new Subcat) Runoff Area=33,295 sf 19.92% Impervious Runoff Depth>0.67" Flow Length=397' Tc=11.6 min CN=68 Runoff=0.47 cfs 0.043 of SubcatchmentP-3: PROPOSED Runoff Area=6,115 sf 0.00% Impervious Runoff Depth>0.21" Flow Length=250' Slope=0.1200 '/' Tc=7.9 min CN=55 Runoff=0.01 cfs 0.002 of SubcatchmentP-4: prop nw Runoff Area=42,946 sf 0.00% Impervious Runoff Depth>0.26" Flow Length=351' Slope=0.0764'/' Tc=10.8 min CN=57 Runoff=0.13 cfs 0.021 of SubcatchmentP-5: internal Runoff Area=10,767 sf 0.00% Impervious Runoff Depth>0.34" Flow Length=116' Slope=0.1206 '/' Tc=6.6 min CN=59 Runoff=0.06 cfs 0.007 of SubcatchmentP3A: LOT3DRIVE Runoff Area=9,858 sf 57.51% Impervious Runoff Depth>1.45" Flow Length=100' Slope=0.1500 '/' Tc=0.5 min CN=82 Runoff=0.47 cfs 0.027 of Reach 8R: (new Reach) Avg. Depth=0.00' Max Vet=0.00 fps Inflow=0.00 cfs 0.000 of n=0.022 L=100.0' S=0.1700'/' Capacity=13.88 cfs Outflow=0.00 cfs 0.000 of Reach 10R: CUVERT Avg. Depth=0.04' Max Vet=1.50 fps Inflow=0.16 cfs 0.025 of 36.0"x 12.0" Box Pipe n=0.009 L=73.0' S=0.0068'/' Capacity=21.32 cfs Outflow=0.16 cfs 0.025 of Pond 2P: prop se Inflow=0.01 cfs 0.002 of Primary=0.01 cfs 0.002 of Pond 3P: CHAMBERS Peak EIev=101.12' Storage=0.008 of Inflow=0.47 cfs 0.027 of Discarded=0.08 cfs 0.027 of Primary=0.00 cfs 0.000 of Outflow=0.08 cfs 0.027 of Pond 9P: CHAMBERS Peak EIev=100.98' Storage=0.004 of Inflow=0.25 cfs 0.015 of Discarded=0.05 cfs 0.015 of Primary=0.00 cfs 0.000 of Outflow=0.05 cfs 0.015 of SAjLEM ST6-7-17 Tyna0Y24-hr2YR Rainfe8=3.20^ Prepared hv /8Otor your company name here) Printed 8/13/2017 ` Pond EXF|L: CHAMBERS PeakBev=1OU.81' Shorage=447of |nflow=0.47ds 0.043af Disoarded=0.14cfs 0.043af Phmary=0.00dn 0.800af OutOmw=0.14ds 0.043af Pond OUTFLOW:prop ne |nflow=0.20cfs 0.031af Primary=0.20ds 0.031af Pond POND: dpond Peak E|ev=118.51' Stomge=7of |nf|mw=0.04cfs 0.007af Disoorded=0.04ob 0.007of Primary=O.UOcfs 0.000af 0utf|mw=0.04cfs 0.007af Link7L: prop aa|mnmat |nflmw=0.07 ds 0.011 af Primary=0.07ds 0.011 af Total Runoff Area= 4.72Oac Runoff Volume= U.164ef Average Runoff Depth = 0.42" 92.G3% Pervious = 4.373oc 7.37Y6 Impervious = O.348ao SALEM ST6-7-17 Type Ill 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCADO 9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 7 Summary for Su catchment P-1A: PROPOSED Runoff = 0.02 cfs @ 12.16 hrs, Volume= 0.002 af, Depth> 0.30" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 2YR Rainfall=3.20" Area (sf) CN Description 2,208 61 >75% Grass cover, Good, HSG B 1,958 55 Woods Good, HSG B 4,166 58 Weighted Average 4,166 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.3 50 0.0400 0.20 Sheet Flow, Grass: Short n= 0.150 P2= 3.22" 1.3 63 0.0140 0.83 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 5.5 113 Total Subcatchment -1A: PROPOSED Hydrrah 0.02 0.02 cfs Runoff 0.018 Type III 24'-hr 2Y 0.016w ainfall=3.20'° Runoff Area=4,166 sf 0.014 . Runoff Volume=0.002 of .� 0.012 2 Runoff eth>0.30" 0.01 Flow Length=113' ° 5: 0.008l Tc=5.5 min N=58 0.006-- 0.004-11r 0.002 0 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type /// 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 8 Summary for Subcatchment -1 1: proposed Runoff = 0.05 cfs @ 12.32 hrs, Volume= 0.008 af, Depth> 0.26" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 2YR Rainfall=3.20" Area (sf) CN Description 11,854 55 Woods, Good, HSG B 4,856 61 >75% Grass cover, Good HSG B 16,710 57 Weighted Average 16,710 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.5 50 0.1000 0.13 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 0.9 52 0.0400 1.00 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 0.8 83 0.1250 1.77 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 8.1 185 Total Subcatchment P-1 1: proposed drorpi 0.05 cfs Runoff 0.055- Type III 24-hr 2YR 0.05 ainfall=3.20®® 0.045-, Runoff Area=16 710 sf 0.04 Runoff Volume=0.008'af 0.035 Runoff epth>0.26'° 3 0.03 Flow Length=15' J �° 0.025- Tc=8.1 ruin 0.02 CN=57 0.015 0.01 0.005 - 0 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type 11124-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 9 Summary for Subcatchment -1 2: proposed Runoff = 0.04 cfs @ 12.31 hrs, Volume= 0.007 af, Depth> 0.25" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 2YR Rainfall=3.20" Area (sf) CN Description 10,623 55 Woods, Good, HSG B 3,761 61 >75% Grass cover, Good HSG B 14,384 57 Weighted Average 14,384 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.5 71 0.1400 0.16 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" Subcatchment -1 : proposed yrrai 0.05 0.04 CfS RunofF 0.045-. Type III 4'-hr 2YR 0.04 ainfall=3.2 °' 0.035 - unoff rea=14,384 sf Runoff Volume=0.007'af v 0.03.. unoff ept >0.25'° 0.025- Flog Length=71' 0.02 Slope=0.1400 Tc=7.5 rain 0.015 C =57 0.01 . 0.005 0 � 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALM ST6-7-17 Type/1/ 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here) Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 10 Summary for Su catchment P-1 C: DRIVELOT1 Runoff = 0.25 cfs @ 12.01 hrs, Volume= 0.015 af, Depth> 0.90" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 2YR Rainfall=3.20" Area (sf) CN Description 2,844 98 Paved parking, HSG B 5,870 61 >75% Grass cover, Good, HSG B 8,714 73 Weighted Average 5,870 67.36% Pervious Area 2,844 32.64% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.4 50 0.3300 2.12 Sheet Flow, n= 0.022 P2= 3.22" Subcatcment -1 C: DRIVELOT1 Hydrograph 0.26 0.25 cfs Runoff 0.24- Type III' 4-hr'2YR 0.22- ainfall=3.20'° 0.2 Runoff rea= ,714 sf 0.18, Runoff Volume=0. 15 of 0.16 = Runoff: epth>0.90" 0.14- Flow Length=50' 0 0.12 - Slope=0.3300 '/° 0.1 Tc=0.4 min 0.08 CN=73 0.06- 0.04 - 0.02 0 . 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type /// 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 11 Summary for Subcatchment -2A: PROPOSED Runoff = 0.04 cfs @ 12.30 hrs, Volume= 0.006 af, Depth> 0.26" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 2YR Rainfall=3.20" Area (sf) CN Description 3,787 61 >75% Grass cover, Good, HSG B 8,375 55 Woods, Good, HSG B 12,162 57 Weighted Average 12,162 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.2 50 0.1090 0.13 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 0.8 80 0.1090 1.65 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 7.0 130 Total Subcatchment P-2A: PROPOSED Hydro graph 0.04 cfs _ Runoff 0.04..: Type III 24- r 2Y 0.035 ainfall=3.2 °' Ty Runoff rea=12 162 s t 0.03- Runoff Volume=0.006 of 0.025 Runoff eth>0.26" Flow Length=130' ® 0.02 Slo a=0 1090 '/' p 1 0.015 I Tc=7.0 min 0.01- = 7 0.005 t 0 - 1 2 3 4 5 6 7 8 9 1011 1213 14 15 16 17 18 19 20 Time (hours) S LEM ST6-7-17 Type /// 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 12 Summary for Subcatchment -2 : PROPOSED Runoff = 0.16 cfs @ 12.38 hrs, Volume= 0.025 af, Depth> 0.28" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 2YR Rainfall=3.20" Area (sf) CN Description 25,775 55 Woods, Good, HSG B 20,732 61 >75% Grass cover, Good HSG B 46,507 58 Weighted Average 46,507 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.9 50 0.0600 0.11 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 0.9 109 0.1800 2.12 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 2.6 134 0.0150 0.86 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 1.8 130 0.0300 1.21 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 13.2 423 Total ubcatchment P-2 : PROPOSED Hydrograph 0.18 ( .16 CfS Runoff 0.16 Type III'24-hr 2YR ainfall= .20®® 0.14 Runoff Area=46,507 sf 0.12 I Runoff Volume=0.025 of 0.1 Runoff Depth>0.28°' Flow Length®423' 0 0.08- Tc=13.2 min 0.06 =58 0.04 a 0.02 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) S LEM ST6-7-17 Type /// 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 13 Summary for Subcatchment -2C: (new Subcat) Runoff = 0.47 cfs @ 12.19 hrs, Volume= 0.043 af, Depth> 0.67" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 2YR Rainfall=3.20" Area (sf) CN Description 26,662 61 >75% Grass cover, Good, HSG B 6,633 98 Paved parking, HSG B 33,295 68 Weighted Average 26,662 80.08% Pervious Area 6,633 19.92% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.4 50 0.0100 0.11 Sheet Flow, Grass: Short n= 0.150 P2= 3.22" 2.8 137 0.0140 0.83 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 1.4 210 0.1200 2.42 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 11.6 397 Total Subcatchment P- C: (new Subcat) d o raph 0.5 0.47 CfS L` . Runoff 0.45 `Type III 4-hr 2Y ainfall=3.20' 0.4 unoff rea=33,295 sf; 0.35 Runoff Volume=0.043 of 0.3Runoff epth>0.67 3 0,25 Flog Length=397' Tc=11.6 min 0.2 C'N=68 0.15 0.1 0.05 0 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 Time (hours) S LEM ST6-7-17 Type 11124-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCADO 9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 14 Summary for Subcatchment P-3: PROPOSED Runoff = 0.01 cfs @ 12.36 hrs, Volume= 0.002 af, Depth> 0.21" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 2YR Rainfall=3.20" Area (sf) CN Description _ 6,115 55 Woods, Good, HSG B 6,115 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 50 0.1200 0.14 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 1.9 200 0.1200 1.73 Shallow Concentrates! Flow, Woodland Kv= 5.0 fps 7.9 250 Total Subcatchment P-3: PROPOSED Hydro graph 0.016 0.01 cfs Runoff 0.014 - Type III -hr 2YR ainfall=3.20®' 0.012Runoff rea= ,115 sf -- 0.01 Runoff Volume=0.002 of Runoff Depth>0.21°' 0.008 - I Flout/ Length= 50' Slope=0.120 '/' 0.006 - I Tc=7.9 min 0.004 I CN=55 0.002 0- 1 2 3 4 5 6 7 8 9 1011 12 13 14 1516 17 18 19 20 Time (hours) SALEM ST6-7-17 Type/1/ 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 15 Summary for Subcatchment -4: prop nw Runoff = 0.13 cfs @ 12.37 hrs, Volume= 0.021 af, Depth> 0.26" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 2YR Rainfall=3.20" Area (sf) CN Description 12,424 61 >75% Grass cover, Good, HSG B 30,522 55 Woods Good HSG B 42,946 57 Weighted Average 42,946 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.2 50 0.0764 0.12 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 3.6 301 0.0764 1.38 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 10.8 351 Total Subcatchment -4: prop nw irorapl 0.14 0.13 cfs Runoff 0.13 Type III'24-hr 2Y 0.12 : ainfall=3.20" 0.11 Runoff rea=42,946 sf 0.1 RunoffVolume=0.021 of 0.09� Runoff Depth>0.26" = 0.08 rr , 0 0.07 _ Flow Length=351' 0.06 Slope=0.0764 '/' 0.05= Tc=10.8 min 0.04 CN=57 0.03 0.02 0.01 ; J p 0 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 Time (hours) S LEM ST6-7-17 Type /// 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 16 Summary for Sucatcment -5: internal Runoff = 0.06 cfs @ 12.16 hrs, Volume= 0.007 af, Depth> 0.34" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 2YR Rainfall=3.20" Area (sf) CN Description 8,014 61 >75% Grass cover, Good, HSG B 2,753 55 Woods, Good, HSG B 10,767 59 Weighted Average 10,767 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 50 0.1206 0.14 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 0.6 66 0.1206 1.74 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 6.6 116 Total Subcatchment P-5: internal iororapl 0.065- 0.06 cfs Runoff 0.06 Type III24'-hr 2YR 0.055 - ainfall=3.20°' 0.05-- Runoff rea=10767 sf 0.045= Runoff Volume=0.007 of 0.04 Runoff Depth>0.3 " ,. 0.035 Flow Length=116' 0 0.03 .Slo a-0 1206 '/' p - 0.025- Tc=6.6 min 0.02 0.015- CN=59 0.01 U 0.005 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM T6-7-17 Type /// 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here) Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 17 Summary for Sucatchrnent P3A: LT31DRIVE Runoff = 0.47 cfs @ 12.01 hrs, Volume= 0.027 af, Depth> 1.45" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 2YR Rainfall=3.20" Area (sf) CN Description 5,669 98 Paved parking, HSG B 4,189 61 >75% Grass cover, Good, HSG B 9,858 82 Weighted Average 4,189 42.49% Pervious Area 5,669 57.51% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.5 100 0.1500 3.09 Sheet Flow, Smooth surfaces n= 0.011 P2= 3.22" Subcatchment P3A: LT3RIVE Hydro graph 0.5 ®.47 cfs Runoff 0.45 Type III24-hr 2YR Rainfall=320" 0.4- Runoff Area=9,858 sf 0.357 Runoff Volume=0.027 of 0.3 Runoff Depth>1.45" 3 0.25 Flow Length=100' =0.1500 '/' LL 0.2 Slop e Tc=0.5 min 0.151 N=82 0.05 0 , . 1 2 3 4 5 6 7 8 9 1011 12 13 1415 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type 11124-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 18 Summary for Reach 8R: (new each) Inflow Area = 0.330 ac, 0.00% Impervious, Inflow Depth = 0.00" for 2YR event Inflow = 0.00 cfs @ 1.00 hrs, Volume= 0.000 of Outflow = 0.00 cfs @ 1.00 hrs, Volume= 0.000 af, Atten= 0%, Lag= 0.0 min Routing by Stor-Ind+Trans method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Max. Velocity= 0.00 fps, Min. Travel Time= 0.0 min Avg. Velocity = 0.00 fps, Avg. Travel Time= 0.0 min Peak Storage= 0 cf @ 1.00 hrs, Average Depth at Peak Storage= 0.00' Bank-Full Depth= 0.60', Capacity at Bank-Full= 13.88 cfs 2.50' x 0.60' deep Parabolic Channel, n= 0.022 Length= 100.0' Slope= 0.1700 '/' Inlet Invert= 119.00', Outlet Invert= 102.00' Reach 8R: (new Reach) yrrah D Inflow El Outflow Inflow /area=0.330 ac Avg. =0. Maxel=0 fps n= =1 . 0 .1700 T UL Capacity=1 3.88 cfs o.o o _ .. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type /// 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 19 Summary for Reach 1OR: CUVERT Inflow Area = 1.068 ac, 0.00% Impervious, Inflow Depth > 0.28" for 2YR event Inflow = 0.16 cfs @ 12.38 hrs, Volume= 0.025 of Outflow = 0.16 cfs @ 12.40 hrs, Volume= 0.025 af, Atten= 0%, Lag= 1.3 min Routing by Stor-Ind+Trans method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Max. Velocity= 1.50 fps, Min. Travel Time= 0.8 min Avg. Velocity = 0.81 fps, Avg. Travel Time= 1.5 min Peak Storage= 8 cf @ 12.39 hrs, Average Depth at Peak Storage= 0.04' Bank-Full Depth= 1.00', Capacity at Bank-Full= 21.32 cfs 36.0" W x 12.0" H Box Pipe n= 0.009 Length= 73.0' Slope= 0.0068 7' Inlet Invert= 117.50', Outlet Invert= 117.00' Reach 10 : CUVERT Hoaph Inflow 0.18 0.16 cfs Outflow - Inflow rea=1.068 ac 0.16= Avg. epth=0.04' 0.14 . Max Vel=1.50 fps 0.12 36.0" x 12.0'° Box Pipe 0.1 n=0.009 o 0.08 L=73.0° 0.06 S=00068 '/' Capacity=21.32 cfs M 0.04 , -. 0.02 ., 0 ---�- 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 1920 Time (hours) SALEM ST6-7-17 Type 11124-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 20 Summary for Pond 2P: prop se Inflow Area = 0.367 ac, 35.49% Impervious, Inflow Depth > 0.08" for 2YR event Inflow = 0.01 cfs @ 12.36 hrs, Volume= 0.002 of Primary = 0.01 cfs @ 12.36 hrs, Volume= 0.002 af, Atten= 0%, Lag= 0.0 min Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Pond 2P: prop se Hrrap �,. M Inflow 0.016_ 0.01 cfs IEl Primary Inflow Area=0.367 0.014- 0.012 w 0.01 0.008 0 u_ 0.006- 0.004- � 0.002- . 1 2 3 4 5 6 7 8 9 10 11 12 13 1 4 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type /// 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 21 Summary for Pond 3P: CHAMBERS Inflow Area = 0.226 ac, 57.51% Impervious, Inflow Depth > 1.45" for 2YR event Inflow = 0.47 cfs @ 12.01 hrs, Volume= 0.027 of Outflow = 0.08 cfs @ 12.46 hrs, Volume= 0.027 af, Atten= 83%, Lag= 27.2 min Discarded = 0.08 cfs @ 12.46 hrs, Volume= 0.027 of Primary = 0.00 cfs @ 1.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 101.12' @ 12.46 hrs Surf.Area= 0.020 ac Storage 0.008 of Plug-Flow detention time= 34.3 min calculated for 0.027 of(100% of inflow) Center-of-Mass det. time= 33.9 min ( 827.5 - 793.6 ) Volume Invert Avail.Storage Storage Description #1A 100.00, 0.034 of 5.25'W x 114.921 x 4.00'H Field A Z=1.0 0.102 of Overall - 0.017 of Embedded = 0.085 of x 40.0%Voids #2A 101.00, 0.017 of StormTech SC-740 x 16 Inside#1 Effective Size=44.6"W x 30.0"H => 6.45 sf x 7.12'L = 45.9 cf Overall Size= 51.0"W x 30 0"H x 7 56'L with 0 44' Overlap 0.051 of Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 100.00' 4.000 in/hr Exfiltration over Surface area #2 Primary 104.00' 6.0" Horiz. Orifice/Grate X 10.00 C= 0.600 Limited to weir flow at low heads Discarded OutFlow Max=0.08 cfs @ 12.46 hrs HW=101.12' (Free Discharge) 't--1=Exfiltration (Exfiltration Controls 0.08 cfs) Primary OutFlow Max=0.00 cfs @ 1.00 hrs HW=100.00' (Free Discharge) 't--2=Orifice/Grate ( Controls 0.00 cfs) SALEM ST6-7-17 Type 11124-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 22 Pond 3P: CHAMBERS - Chamber Wizard Field Chamber Model=StormTech SC-740 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.12'L = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.56'L with 0.44' Overlap 51.0" Wide + 0.0" Spacing = 51.0" C-C 16 Chambers/Row x 7.12' Long = 113.92' + 6.0" End Stone x 2 = 114.92' Base Length 1 Rows x 51.0" Wide + 6.0" Side Stone x 2 = 5.25' Base Width 12.0" Base + 30.0" Chamber Height+ 6.0" Cover= 4.00' Field Height 1.0 '/' Side-Z x Height = 48.0" Flare/Side Base Length + Flare x 2 = 122.92' Top Length Base Width + Flare x 2 = 13.25' Top Length 16 Chambers x 45.9 cf= 735.0 cf Chamber Storage 4,421.4 cf Field - 735.0 cf Chambers = 3,686.3 cf Stone x 40.0% Voids = 1,474.5 cf Stone Storage Stone + Chamber Storage = 2,209.6 cf= 0.051 of 16 Chambers 163.8 cy Field 136.5 cy Stone r- I SALEM ST6-7-17 Type /// 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 23 Pond 31P: CHAMBERS Hydrograph 0.zt CfS Inflow Inflow Area=0.226 ac i Outflow 0.5 Peak Elev=101.12' _ Discarded EJ Primary 0.45 Storage=0.006 of 0.4�_ 0.35-: 1 r 0.3 ® 0.25 M 0.2-= 0.15 0.08 CfS 0.00 Cfs 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALE ST6-7-17 Type /// 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 24 Summary for Pond 9P: CHAMBERS Inflow Area = 0.200 ac, 32.64% Impervious, Inflow Depth > 0.90" for 2YR event Inflow = 0.25 cfs @ 12.01 hrs, Volume= 0.015 of Outflow = 0.05 cfs @ 12.47 hrs, Volume= 0.015 af, Atten= 80%, Lag= 27.1 min Discarded = 0.05 cfs @ 12.47 hrs, Volume= 0.015 of Primary = 0.00 cfs @ 1.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 100.98' @ 12.47 hrs Surf.Area= 0.012 ac Storage= 0.004 of Plug-Flow detention time= 27.8 min calculated for 0.015 of(100% of inflow) Center-of-Mass det. time= 27.3 min ( 843.6 - 816.4 ) Volume Invert Avail.Storage Storage Description #1A 100.00, 0.022 of 5.25'W x 72.201 x 4.00'H Field A Z=1.0 0.065 of Overall - 0.011 of Embedded = 0.055 of x 40.0%Voids #2A 101.00, 0.011 of StormTech SC-740 x 10 Inside#1 Effective Size=44.6"W x 30.0"H => 6.45 sf x 7.12'L = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.561 with 0.44' Overlap 0.032 of Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 100.00' 4.000 in/hr Exfiltration over Surface area #2 Primary 104.00' 6.0" Horiz. Orifice/Grate X 10.00 C= 0.600 Limited to weir flow at low heads Qiscarded OutFlow Max=0.05 cfs @ 12.47 hrs HW=100.98' (Free Discharge) T---1=Exfiltration (Exfiltration Controls 0.05 cfs) Primary OutFlow Max=0.00 cfs @ 1.00 hrs HW=100.00' (Free Discharge) 't-2=Orifice/Grate ( Controls 0.00 cfs) SALEM ST6-7-17 Type /// 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 25 Pond 9P: CHAMBERS - Chamber Wizard Field A Chamber Model= StormTech SC-740 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.12'L = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.56'L with 0.44' Overlap 51.0" Wide + 0.0" Spacing = 51.0" C-C 10 Chambers/Row x 7.12' Long = 71.20' + 6.0" End Stone x 2 = 72.20' Base Length 1 Rows x 51.0" Wide + 6.0" Side Stone x 2 = 5.25' Base Width 12.0" Base + 30.0" Chamber Height+ 6.0" Cover= 4.00' Field Height 1.0 T Side-Z x Height= 48.0" Flare/Side Base Length + Flare x 2 = 80.20' Top Length Base Width + Flare x 2 = 13.25' Top Length 10 Chambers x 45.9 cf= 459.4 cf Chamber Storage 2,840.7 cf Field -459.4 cf Chambers = 2,381.3 cf Stone x 40.0% Voids = 952.5 cf Stone Storage Stone + Chamber Storage = 1,411.9 cf= 0.032 of 10 Chambers 105.2 cy Field 88.2 cy Stone i `.E Lj SALEM ST6-7-17 Type /// 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCADO 9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 26 Pond 9P: CHAMBERS Hydrograph 1 0.25 Cfs r Inflow Outflow Inflow Area=0.200 ac El Discarded 0.25 ea Elev=100.98' Primary Storage=0.004 of 0.2 0.15 o 0.1 0.05 cfs 0.00 Cfs o r 1 2 3 4 5 6 7 8 9 10 11 1213 14 15 16 1718 19 20 Time (hours) SALEM ST6-7-17 Type /// 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 27 Summary for Pond FIL: CHAMBERS Inflow Area = 0.764 ac, 19.92% Impervious, Inflow Depth > 0.67" for 2YR event Inflow = 0.47 cfs @ 12.19 hrs, Volume= 0.043 of Outflow = 0.14 cfs @ 12.67 hrs, Volume= 0.043 af, Atten= 70%, Lag= 29.1 min Discarded = 0.14 cfs @ 12.67 hrs, Volume= 0.043 of Primary = 0.00 cfs @ 1.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 100.81' @ 12.67 hrs Surf.Area= 1,542 sf Storage= 447 cf Plug-Flow detention time= 23.8 min calculated for 0.043 of(100% of inflow) Center-of-Mass det. time= 23.1 min ( 860.0 - 836.9 ) Volume Invert Avail.Storage Storage Description #1 A 100.00, 4,003 cf 6.25'W x 194.24'L x 5.00'H Field A Z=1.0 11,249 cf Overall - 1,240 cf Embedded = 10,009 cf x 40.0%Voids #2A 101.00, 1,240 cf StormTech SC-740 x 27 Inside#1 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.121 = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.56'L with 0.44' Overlap 5,244 cf Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 100.00' 4.000 in/hr Exfiltration over Surface area #2 Primary 104.33' 6.0" Horiz. Orifice/Grate X 44.00 C= 0.600 Limited to weir flow at low heads Discarded OutFlow Max=0.14 cfs @ 12.67 hrs HW=100.81' (Free Discharge) 't-1=Exfiltration (Exfiltration Controls 0.14 cfs) Primary OutFlow Max=0.00 cfs @ 1.00 hrs HW=100.00' (Free Discharge) 't-2=Orifi ce/G rate ( Controls 0.00 cfs) SALEM ST6-7-17 Type/1/ 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 28 Pond EFIL: CHAMBERS - Chamber Wizard Field Chamber Model= StormTech SC-740 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.121 = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.56'L with 0.44' Overlap 51.0" Wide + 0.0" Spacing = 51.0" C-C 27 Chambers/Row x 7.12' Long = 192.24' + 12.0" End Stone x 2 = 194.24' Base Length 1 Rows x 51.0" Wide + 12.0" Side Stone x 2 = 6.25' Base Width 12.0" Base + 30.0" Chamber Height + 18.0" Cover= 5.00' Field Height 1.0 '/' Side-Z x Height =60.0" Flare/Side Base Length + Flare x 2 = 204.24' Top Length Base Width + Flare x 2 = 16.25' Top Length 27 Chambers x 45.9 cf= 1,240.4 cf Chamber Storage 11,248.9 cf Field - 1,240.4 cf Chambers = 10,008.5 cf Stone x 40.0% Voids = 4,003.4 cf Stone Storage Stone + Chamber Storage = 5,243.8 cf= 0.120 of 27 Chambers 416.6 cy Field 370.7 cy Stone z l �mz i iw z SALEM ST6-7-17 Type/1/ 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 29 Ponca EXFIL: CHAMBERS Hydrgrah 0.47 cfs Inflow Inflow Area=0.764 ac Discarded] 0.5 Peak Elev=10 1' Primary 0.45 Storage=447 cf i01.11 0.4.- IN 0.35 � 0.3-- ® 0.25 0.2, 0.14 cfs 0.15 0.1 � � ,. 0.00 CfS 1 2 3 4 5 6 7 8 9 10 11 1213 14 15 16 1718 19 20 Time (hours) SALEM ST6-7-17 Type /// 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 30 Summary for Pond OUTFLOW: prop ne Inflow Area = 2.111 ac, 7.21% Impervious, Inflow Depth > 0.18" for 2YR event Inflow = 0.20 cfs @ 12.38 hrs, Volume= 0.031 of Primary = 0.20 cfs @ 12.38 hrs, Volume= 0.031 af, Atten= 0%, Lag= 0.0 min Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Pond OUTFLOW: prop ne Hydrograph D Inflow 0.22-^ 0.2 fS El Primary 0.21 Inflow r = .11 0.18 0.16 r � 0.14 0.12 0 008 � 0.02 0 . 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1920 Time (hours) SALEM 5T6-7-17 Type ///24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HVdroCAD Software Solutions LLC Pace 31 Summary for Pond POND: dpond Inflow Area = 0.330 ac, 0.00% Impervious, Inflow Depth > 0.25" for 2YR event Inflow = 0.04 cfs @ 12.31 hrs, Volume= 0.007 of Outflow = 0.04 cfs @ 12.36 hrs, Volume= 0.007 af, Atten= 1%, Lag= 2.7 min Discarded = 0.04 cfs @ 12.36 hrs, Volume= 0.007 of Primary = 0.00 cfs @ 1.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 118.51' @ 12.36 hrs Surf.Area= 768 sf Storage= 7 cf Plug-Flow detention time= 2.7 min calculated for 0.007 of(100% of inflow) Center-of-Mass det. time= 2.0 min ( 880.6 -878.6 ) Volume Invert Avail.Storage Storage Description #1 118.50' 1,593 cf Custom Stage Data (Prismatic)Listed below(Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 118.50 764 0 0 119.00 953 429 429 120.00 1,374 1,164 1,593 Device Routing Invert Outlet Devices #1 Discarded 118.50' 4.000 in/hr Exfiltration over Surface area #2 Primary 119.50' 10.0' long x 3.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50. 3.00 3.50 4.00 4.50 Coef. (English) 2.44 2.58 2.68 2.67 2.65 2.64 2.64 2.68 2.68 2.72 2.81 2.92 2.97 3.07 3.32 Discarded OutFlow Max=0.07 cfs @ 12.36 hrs HW=118.51' (Free Discharge) 't--1=Exfiltration (Exfiltration Controls 0.07 cfs) Primary OutFlow Max=0.00 cfs @ 1.00 hrs HW=118.50' (Free Discharge) 't-2=Broad-Crested Rectangular Weir( Controls 0.00 cfs) SALEM ST6-7-17 Type 11124-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 32 Pond POND: dpond ydr gr ph n n A --C- EiZ Inflow 0.05 : Inflow rea=0.3 0.04 cfs outflow _ �� Discarded Peak lev=118.51' 0.045 , Primary 0.04 Storage=7 cf 0.035 r 4T 0.03 0 025- �° 0.02 0.015 0.01 0.00 Cfs ,. 1 2 3 4 5 6 7 8 9 10 1112 1314 1516 1718 1920 Time (hours) SALEM ST6-7-17 Type /// 24-hr 2YR Rainfall=3.20" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 33 Summary for Link 7L: prop salem st Inflow Area = 1.010 ac, 6.47% Impervious, Inflow Depth > 0.13" for 2YR event Inflow = 0.07.cfs @ 12.30 hrs, Volume= 0.011 of Primary = 0.07 cfs @ 12.30 hrs, Volume= 0.011 af, Atten= 0%, Lag= 0.0 min Primary outflow= Inflow, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Link 7L: prop salem st Hydrograph n n--7 _ E9 Inflow Inflow Area=1.010 0.07 CfS El Primary 0.06 0.05 N V 0.04- 0 M 0.03 0.02- 0.01 r-- , ��� ",'' 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type 111 24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 34 Time span=1.00-20.00 hrs, dt=0.05 hrs, 381 points Runoff by SCS TR-20 method, UH=SCS Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method SubcatchmentP-1A: PROPOSED Runoff Area=4,166 sf 0.00% Impervious Runoff Depth>0.96" Flow Length=113' Tc=5.5 min CN=58 Runoff=0.10 cfs 0.008 of SubcatchmentP-11131: proposed Runoff Area=16,710 sf 0.00% Impervious Runoff Depth>0.88" Flow Length=185' Tc=8.1 min CN=57 Runoff=0.33 cfs 0.028 of SubcatchmentP-1 B2: proposed Runoff Area=14,384 sf 0.00% Impervious Runoff Depth>0.87" Flow Length=71' Slope=0.1400 '/' Tc=7.5 min CN=57 Runoff=0.28 cfs 0.024 of SubcatchmentP-1C: DRIVELOT1 Runoff Area=8,714 sf 32.64% Impervious Runoff Depth>1.97" Flow Length=50' Slope=0.3300 '/' Tc=0.4 min CN=73 Runoff=0.56 cfs 0.033 of SubcatchmentP-2A: PROPOSED Runoff Area=12,162 sf 0.00% Impervious Runoff Depth>0.89" Flow Length=130' Slope=0.1090 T Tc=7.0 min CN=57 Runoff=0.25 cfs 0.021 of SubcatchmentP-2B: PROPOSED Runoff Area=46,507 sf 0.00% Impervious Runoff Depth>0.93" Flow Length=423' Tc=13.2 min CN=58 Runoff=0.85 cfs 0.083 of SubcatchmentP-2C: (new Subcat) Runoff Area=33,295 sf 19.92% Impervious Runoff Depth>1.62" Flow Length=397' Tc=11.6 min CN=68 Runoff=1.26 cfs 0.103 of SubcatchmentP-3: PROPOSED Runoff Area=6,115 sf 0.00% Impervious Runoff Depth>0.78" Flow Length=250' Slope=0.1200 '/' Tc=7.9 min CN=55 Runoff=0.10 cfs 0.009 of SubcatchmentP-4: prop nw Runoff Area=42,946 sf 0.00% Impervious Runoff Depth>0.88" Flow Length=351' Slope=0.0764'/' Tc=10.8 min CN=57 Runoff=0.77 cfs 0.072 of SubcatchmentP-5: internal Runoff Area=10,767 sf 0.00% Impervious Runoff Depth>1.04" Flow Length=116' Slope=0.1206 '/' Tc=6.6 min CN=59 Runoff=0.28 cfs 0.021 of SubcatchmentP3A: LOT3DRIVE Runoff Area=9,858 sf 57.51% Impervious Runoff Depth>2.74" Flow Length=100' Slope=0.1500 '/' Tc=0.5 min CN=82 Runoff=0.88 cfs 0.052 of Reach 8R: (new Reach) Avg. Depth=0.00' Max Vet=0.00 fps Inflow=0.00 cfs 0.000 of n=0.022 L=100.0' S=0.1700 '/' Capacity=13.88 cfs Outflow=0.00 cfs 0.000 of Reach 1OR: CUVERT Avg. Depth=0.10' Max Vet=2.82 fps Inflow=0.85 cfs 0.083 of 36.0"x 12.0" Box Pipe n=0.009 L=73.0' S=0.0068'/' Capacity=21.32 cfs Outflow=0.84 cfs 0.082 of Pond 2P: prop se Inflow=0.10 cfs 0.009 of Primary=0.10 cfs 0.009 of Pond 3P: CHAMBERS Peak EIev=101.91' Storage=0.020 of Inflow=0.88 cfs 0.052 of Discarded=0.10 cfs 0.052 of Primary=0.00 cfs 0.000 of Outflow=0.10 cfs 0.052 of Pond 9P: CHAMBERS Peak EIev=101.92' Storage=0.013 of Inflow=0.56 cfs 0.033 of Discarded=0.06 cfs 0.033 of Primary=0.00 cfs 0.000 of Outflow=0.06 cfs 0.033 of SALEM ST6-7-17 Type 11124-hr 10YR Rainfall=4.80" Prepared by {enter your company name here} Printed 6/13/2017 HydroCADO 9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 35 Pond EXFIL: CHAMBERS Peak EIev=102.02' Storage=1,721 cf Inflow=1.26 cfs 0.103 of Discarded=0.19 cfs 0.103 of Primary=0.00 cfs 0.000 of Outflow=0.19 cfs 0.103 of Pond OUTFLOW:prop ne Inflow=1.04 cfs 0.103 of Primary=1.04 cfs 0.103 of Pond POND: dpond Peak EIev=118.78' Storage=230 cf Inflow=0.28 cfs 0.024 of Discarded=0.08 cfs 0.024 of Primary=0.00 cfs 0.000 of Outflow=0.08 cfs 0.024 of Link 7L: prop salem st Inflow=0.42 cfs 0.036 of Primary=0.42 cfs 0.036 of Total Runoff Area =4.720 ac Runoff Volume = 0.453 of Average Runoff Depth = 1.15" 92.63% Pervious = 4.373 ac 7.37% Impervious = 0.348 ac SALEM ST6-7-17 Type /// 24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 36 Summary for Subcatchment -1A: PROPOSED Runoff = 0.10 cfs @ 12.10 hrs, Volume= 0.008 af, Depth> 0.96" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 10YR Rainfall=4.80" Area (sf) CN Description 2,208 61 >75% Grass cover, Good, HSG B 1,958 55 Woods, Good HSG B 4,166 58 Weighted Average 4,166 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.3 50 0.0400 0.20 Sheet Flow, Grass: Short n= 0.150 P2= 3.22" 1.3 63 0.0140 0.83 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 5.5 113 Total Sucatch ent -1 : PROPOSED Hydroan �� RunofF 0.11110.10 cfs 0.1 Type III 24- r 10YR 0.09. 'ainfall=480'°0.08 Runoff Aarea=4�,16 sf 0.07 Runoff Volume=0.008 of vRunoff epth>0.96°' 0.06 Flow Length=113° 3 _o 0.05- Tc=5.5 min 0.04 CN=58 0.03 0.02 0.01 0 . 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type /// 24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 37 Summary for Subcatchment -1 1: proposed Runoff = 0.33 cfs @ 12.14 hrs, Volume= 0.028 af, Depth> 0.88" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 10YR Rainfall=4.80" Area (sf) CN Description 11,854 55 Woods, Good, HSG B 4,856 61 >75% Grass cover, Good HSG B 16,710 57 Weighted Average 16,710 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.5 50 0.4000 0.13 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 0.9 52 0.0400 1.00 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 0.8 83 0.1250 1.77 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 8.1 185 Total Subcatchment P-1 1: proposed Hydro graph 0.35 0.33 cfs Runoff Type Ill,;24-h r 10YR 0.3 Rainfall=4.80" Runoff Area=16,710 s 0.25 I Runoff Volume=0.028 of v 0.2 Runoff Depth>0.88" Flow Length=185' ,° 0.15 Tc=8.1 min CN=57 ' 0.1 0.05 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type 11124-hr 10YR Rainfall=4.80" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 38 Summary for Subcatchment P-1132: proposed Runoff = 0.28 cfs @ 12.13 hrs, Volume= 0.024 af, Depth> 0.87" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 10YR Rainfall=4.80" Area (sf) CN Description 10,623 55 Woods, Good, HSG B 3,761 61 >75% Grass cover, Good, HSG B 14,384 57 Weighted Average 14,384 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.5 71 0.1400 0.16 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" Subcatchment P-1 S2: proposed Hydrograph 0.28 ds 0.3,_ Runoff Type III24-hr 101( 0.25 Rainfall=4.00'° Runoff Area=14,384 sf, -- 0.2Runoff Volume=0.024 of Runoff epth>0.87°° 3 0.15 Flog Length=71 Siope=0.1400 '/' 0.1 TC=7.5 min CN=57 0.05 0 ° 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type 11124-hr 10YR Rainfall=4.80" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 39 Summary for Subcatchment P-1 C: DRIVEL®T1 Runoff = 0.56 cfs @ 12.01 hrs, Volume= 0.033 af, Depth> 1.97" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 10YR Rainfall=4.80" Area (sf) CN Description 2,844 98 Paved parking, HSG B 5,870 61 >75% Grass cover, Good, HSG B 8,714 73 Weighted Average 5,870 67.36% Pervious Area 2,844 32.64% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.4 50 0.3300 2.12 Sheet Flow, n= 0.022 P2= 3.22" Subcatchment -1 C: DRIVELT1 Hydro ra h 0.6-' 0.56 cfs Runoff 0.55'- Type III 24-h r'1 Y 0.5 Rainfall=4.80„ 0.45 Runoff Area=8,714 sf -- 0.4 - Runoff Volume=0.033 of 0.35. Runoff Depth>1.97" 3 0.3 FlowLength=50' 0.25 Slope=0.3300 7' 0.2= Tc=0.4 min 0.15 C =73 0.1 0.05 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type 111 24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 40 Summary for Subcatchment P-2A: PROPOSED Runoff = 0.25 cfs @ 12.12 hrs, Volume= 0.021 af, Depth> 0.89" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 10YR Rainfall=4.80" Area (sf) CN Description 3,787 61 >75% Grass cover, Good, HSG B 8,375 55 Woods Good HSG B 12,162 57 Weighted Average 12,162 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (fUsec) (cfs) 6.2 50 0.1090 0.13 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 0.8 80 0.1090 1.65 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 7.0 130 Total Sucatchment P-2 : PROPOSED Hydro graph 0.28 0.25 cfs Runoff 0.26 Type III'24-hr 10Y 0.22 0.2 Rainfall= 80" 0.2 - Runoff Area=12,162 sf -- 0.18 Runoff Volume=0.021 of 0.16 Runoff Depth>0.89" 0 14 Flow Length=130' 0.12 Slope=0.1090 '/' w 0.1 - Tc=7.0 min 0 08= CN=57 0.06 0.04 0.02 0 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type/1/ 24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here) Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 41 Summary for Subcatchment -2 : PROPOSED Runoff = 0.85 cfs @ 12.22 hrs, Volume= 0.083 af, Depth> 0.93" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 10YR Rainfall=4.80" Area (sf) CN Description 25,775 55 Woods, Good, HSG B 20,732 61 >75% Grass cover, Good, HSG B 46,507 58 Weighted Average 46,507 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.9 50 0.0600 0.11 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 0.9 109 0.1800 2.12 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 2.6 134 0.0150 0.86 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 1.8 130 0.0300 1.21 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 13.2 423 Total Subcatchment P-213: PROPOSED Hydro rap 0.9 0.85 CfS Runoff Type III'24-hr'10YR 0.8 Rainfall=4.80'® 0.7 Runoff rea=46,507 sf ^ 0.6 Runoff Volume=0.083 of Runoff Depth>0.93" 0.5 :° Flow Length=423' ® 0.4 . Tc=13.2 min FZ 0.3 _ CN=58 0.2 0.1 J o 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type 111 24-hr 10YR Rainfall=4.80" Prepared by{enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 42 Summary for Subcatchment P-2C: (new Subcat) Runoff = 1.26 cfs @ 12.17 hrs, Volume= 0.103 af, Depth> 1.62" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 10YR Rainfall=4.80" Area (sf) CN Description 26,662 61 >75% Grass cover, Good, HSG B 6,633 98 Paved parking, HSG B 33,295 68 Weighted Average 26,662 80.08% Pervious Area 6,633 19.92% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.4 50 0.0100 0.11 Sheet Flow, Grass: Short n= 0.150 P2= 3.22" 2.8 137 0.0140 0.83 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 1.4 210 0.1200 2.42 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 11.6 397 Total Subcatchment P-2C: (new Subcat) Hydrograph 1 .26 CfS In Runoff Type III 4- r 101f ainfall=4.8 „ 1Runoff Area=33,295 s NRunoff Volume=0.103 of Runoff' epth>1.62" o Flow Length=397' Tc=11.6 min =68 0F , , 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type 11124-hr 10YR Rainfall=4.80" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 43 Summary for Subcatchment P-3: PROPOSED Runoff = 0.10 cfs @ 12.15 hrs, Volume= 0.009 af, Depth> 0.78" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 10YR Rainfall=4.80" Area (sf) CN Description 6,115 55 Woods Good, HSG B 6,115 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 50 0.1200 0.14 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 1.9 200 0.1200 1.73 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 7.9 250 Total Subcatchment P-3: PROPOSED Hydro graph 0.11 0.10-CfS Runoff 0.1 =, Type III' 4-hr 10YR 0.09 ainfall=4..80" 0.08 Runoff/area=6,115 sf Runoff Volume=0.009 of 0.07 Runoff Depth>0.78" �= 0.06 Flow Length=250' 0 0.05 _ Slope=0.1200 '1' LL 0.04 Tc=7.9 min 0.03 C =55 0.02 0.01 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type 111 24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 44 Summary for Subcatchment P-4: prop nw Runoff = 0.77 cfs @ 12.18 hrs, Volume= 0.072 af, Depth> 0.88" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 10YR Rainfall=4.80" Area (sf) CN Description 12,424 61 >75% Grass cover, Good, HSG B 30,522 55 Woods Good HSG B 42,946 57 Weighted Average 42,946 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.2 50 0.0764 0.12 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 3.6 301 0.0764 1.38 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 10.8 351 Total Subcatchment P-4: prop nw Irrah 0.8 0.77 CfS RunofF Type III 24-hr 10Y 0.7 Rainfall=480°' 0.6 Runoff Area=42,96 sf' Runoff Volume=0.072 of 0.5 Runoff 'Depth>0.88" 0.4 Flow Length=351' Slope=0.0764 '/' 0.3 Tc=10.8 min 0.2 C' =57 0.1 t 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type H/ 24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 45 Summary for Subcatchment P-5: internal Runoff = 0.28 cfs @ 12.11 hrs, Volume= 0.021 af, Depth> 1.04" Runoff by SCS TR-20 method, UH=SCS, Time.Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 10YR Rainfall=4.80" Area (sf) CN Description 8,014 61 >75% Grass cover, Good, HSG B 2,753 55 Woods, Good, HSG B 10,767 59 Weighted Average 10,767 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 50 0.1206 0.14 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 0.6 66 0.1206 1.74 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 6.6 116 Total Subcatchment P-5: internal Irogral 0.28 cfs 0.3 Runoff Type III'24-hr 10YR 0.25 Rainfall=480" Runoff 4rea=10,767 sf -- 0.2Runoff Volume=0.021 of Runoff Depth>1.04" 0.15 Flow Length=116° ti 2 Slope=0.1206 '/° 0.1 Tc=6.6 min CN=59 0.05 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type /// 24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here) Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 46 Summary for Subcatchment P3A: LOT3DRIVE Runoff = 0.88 cfs @ 12.01 hrs, Volume= 0.052 af, Depth> 2.74" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 10YR Rainfall=4.80" Area (sf) CN Description 5,669 98 Paved parking, HSG B 4,189 61 >75% Grass cover, Good, HSG B 9,858 82 Weighted Average 4,189 42.49% Pervious Area 5,669 57.51% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.5 100 0.1500 3.09 Sheet Flow, Smooth surfaces n= 0.011 P2= 3.22" Subcatchment P3A: LOT3DRIVE yIrorapl 0.88 CfS Runoff 0.9 Type III'24-hr 10YR 0.8-- Rainfall=4 80" 0.7 Runoff Area=9,858 sf Runoff Volume=0.052 of w 0.6 Runoff Depth>2.74" 0.5 Flow Length=100° ,° 0.4 Slope=0.1500 Tc=0.5 min 0.31C =82 0.2- 0.1 0 , 1 2 3 4 5 6 7 8 9 1011 1213 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type 11124-hr 10YR Rainfall=4.80" Prepared by {enter your company name here) Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 47 Summary for Reach 8R: (new Reach) Inflow Area = 0.330 ac, 0.00% Impervious, Inflow Depth = 0.00" for 10YR event Inflow = 0.00 cfs @ 1.00 hrs, Volume= 0.000 of Outflow = 0.00 cfs @ 1.00 hrs, Volume= 0.000 af, Atten= 0%, Lag= 0.0 min Routing by Stor-Ind+Trans method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Max. Velocity= 0.00 fps, Min. Travel Time= 0.0 min Avg. Velocity = 0.00 fps, Avg. Travel Time= 0.0 min Peak Storage= 0 cf @ 1.00 hrs, Average Depth at Peak Storage= 0.00' Bank-Full Depth= 0.60', Capacity at Bank-Full= 13.88 cfs 2.50' x 0.60' deep Parabolic Channel, n= 0.022 Length= 100.0' Slope= 0.1700 '/' Inlet Invert= 119.00', Outlet Invert= 102.00' Reach 8R: (new Reach) ydrrap 01 Inflow Inflow rea=0.3 ac Outflow Avg. ep =0. ' Maxel= ..00 fps w n=002 L=10.0' o S=0.1700 T Capacity=13 cfs In, z5w 1 2 3 4 5 6 7 8 9 10 11 12 1 314151617181920 Time (hours) SALEM ST6-7-17 Type 111 24-hr 10YR Rainfall=4.80" Prepared by{enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 48 Summary for Reach 10 : CUVERT Inflow Area = 1.068 ac, 0.00% Impervious, Inflow Depth > 0.93" for 10YR event Inflow = 0.85 cfs @ 12.22 hrs, Volume= 0.083 of Outflow = 0.84 cfs @ 12.23 hrs, Volume= 0.082 af, Atten= 2%, Lag= 0.8 min Routing by Stor-Ind+Trans method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Max. Velocity= 2.82 fps, Min. Travel Time= 0.4 min Avg. Velocity = 1.19 fps, Avg. Travel Time= 1.0 min Peak Storage= 22 cf @ 12.22 hrs, Average Depth at Peak Storage= 0.10' Bank-Full Depth= 1.00', Capacity at Bank-Full= 21.32 cfs 36.0"W x 12.0" H Box Pipe n= 0.009 Length= 73.0' Slope= 0.0068 7' Inlet Invert= 117.50', Outlet Invert= 117.00' Reach 10R: CUVERT Hydrograph ..fl QF E Inflow 0.9 Inflow Area=1.068 ac 0.84 cfs - Outflow 0.8- Avg. Depth=0.10' 0.7 Max Vet=2.82 fps 36.0" x 12.0,, N 0.6- ox Pipe 0.5 n=0.009 �° 0.4 L=73.0' U. S=0.0068 'I' 0.3 Capacity=21.32'cfs 0.2 0.1 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 1920 Time (hours) SALEM ST6-7-17 Type Ill 24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 49 Summary for Pond 2P: prop se Inflow Area = 0.367 ac, 35.49% Impervious, Inflow Depth > 0.30" for 10YR event Inflow = 0.10 cfs @ 12.15 hrs, Volume= 0.009 of Primary = 0.10 cfs @ 12.15 hrs, Volume= 0.009 af, Atten= 0%, Lag= 0.0 min Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Pond 2 : prop se Hydrograph C Inflow 0.10 cfS 0 Primary 0.11- Inflow Area=0.3 0.1 0.09= 0.08 0.07-a 006= _o 0.05- `- 0.04 0.03 ` 0.02 0.01 - wo' 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1920 Time (hours) SALEM ST6-7-17 Type Ill 24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here) Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 50 Summary for Pond 3P: CHAMBERS Inflow Area = 0.226 ac, 57.51% Impervious, Inflow Depth > 2.74" for 10YR event Inflow = 0.88 cfs @ 12.01 hrs, Volume= 0.052 of Outflow = 0.10 cfs @ 12.60 hrs, Volume= 0.052 af, Atten= 89%, Lag= 35.6 min Discarded = 0.10 cfs @ 12.60 hrs, Volume= 0.052 of Primary = 0.00 cfs @ 1.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 101.91' @ 12.60 hrs Surf.Area= 0.025 ac Storage= 0.020 of Plug-Flow detention time= 78.5 min calculated for 0.052 of(100% of inflow) Center-of-Mass det. time= 77.9 min ( 856.8 - 778.9 ) Volume Invert Avail.Storage Storage Description #1A 100.00, 0.034 of 5.25'W x 114.921 x 4.00'H Field A Z=1.0 0.102 of Overall - 0.017 of Embedded = 0.085 of x 40.0%Voids #2A 101.00, 0.017 of StormTech SC-740 x 16 Inside#1 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.12'L = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.56'L with 0.44' Overlap 0.051 of Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 100.00' 4.000 in/hr Exfiltration over Surface area #2 Primary 104.00' 6.0" Horiz. Orifice/Grate X 10.00 C= 0.600 Limited to weir flow at low heads Discarded OutFlow Max=0.10 cfs @ 12.60 hrs HW=101.91' (Free Discharge) 't--1=Exfiltration (Exfiltration Controls 0.10 cfs) Primary OutFlow Max=0.00 cfs @ 1.00 hrs HW=100.00' (Free Discharge) 't-2=Orifice/Grate ( Controls 0.00 cfs) SALEM ST6-7-17 Type/1/ 24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 51 Pond 3P: CHAMBERS - Chamber Wizard Field A Chamber Model= StormTech SC-740 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.121 = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.56'L with 0.44' Overlap 51.0" Wide + 0.0" Spacing = 51.0" C-C 16 Chambers/Row x 7.12' Long = 113.92' + 6.0" End Stone x 2 = 114.92' Base Length 1 Rows x 51.0" Wide + 6.0" Side Stone x 2 = 5.25' Base Width 12.0" Base + 30.0" Chamber Height + 6.0" Cover= 4.00' Field Height 1.0 '/' Side-Z x Height = 48.0" Flare/Side Base Length + Flare x 2 = 122.92' Top Length Base Width + Flare x 2 = 13.25' Top Length 16 Chambers x 45.9 cf= 735.0 cf Chamber Storage 4,421.4 cf Field -735.0 cf Chambers = 3,686.3 cf Stone x 40.0% Voids = 1,474.5 cf Stone Storage Stone + Chamber Storage = 2,209.6 cf= 0.051 of 16 Chambers 163.8 cy Field 136.5 cy Stone k Y ��J SALEM ST6-7-17 Type Ill 24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 52 Pond 3P: CHAMBERS Hydrrah 1 0.88 Cfs . Inflow Outflow Inflow Area=0.226 ac El Discarded Peak Elev=101.91' 0.9 Primary 0.8" Storage=0.020 of 0.7 0.6 0.5 U. r 0.3- 0.2 0.10 cfs 0.00 Cfs 0 . 1 2 3 4 5 6 7 8 9 10 11 1213 14 15 16 1718 19 20 Time (hours) SALEM ST6-7-17 Type 111 24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here) Printed 6/13/2017 HydroCADO 9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 53 Summary for Pond 9P: CHAMBERS Inflow Area = 0.200 ac, 32.64% Impervious, Inflow Depth > 1.97" for 10YR event Inflow = 0.56 cfs @ 12.01 hrs, Volume= 0.033 of Outflow = 0.06 cfs @ 12.73 hrs, Volume= 0.033 af, Atten= 89%, Lag= 43.2 min Discarded = 0.06 cfs @ 12.73 hrs, Volume= 0.033 of Primary = 0.00 cfs @ 1.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 101.92' @ 12.73 hrs Surf.Area= 0.016 ac Storage= 0.013 of Plug-Flow detention time= 84.7 min calculated for 0.033 of(100% of inflow) Center-of-Mass det. time= 84.0 min ( 882.7 - 798.6 ) Volume Invert Avail.Storage Storage Description #1 A 100.00, 0.022 of 5.25'W x 72.20'L x 4.00'H Field A Z=1.0 0.065 of Overall -0.011 of Embedded = 0.055 of x 40.0% Voids #2A 101.00, 0.011 of StormTech SC-740 x 10 Inside#1 Effective Size=44.6"W x 30.0"H => 6.45 sf x 7.12'L = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.561 with 0.44' Overlap 0.032 of Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 100.00' 4.000 in/hr Exfiltration over Surface area #2 Primary 104.00' 6.0" Horiz. Orifice/Grate X 10.00 C= 0.600 Limited to weir flow at low heads Qiscarded OutFlow Max=0.06 cfs @ 12.73 hrs HW=101.92' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.06 cfs) Primary OutFlow Max=0.00 cfs @ 1.00 hrs HW=100.00' (Free Discharge) "�-2=Orifice/Grate ( Controls 0.00 cfs) SALEM ST6-7-17 Type 111 24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 54 Pond 9P: CHAMBERS - Chamber Wizard Field A Chamber Model= StormTech SC-740 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.121 = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.56'L with 0.44' Overlap 51.0" Wide + 0.0" Spacing = 51.0" C-C 10 Chambers/Row x 7.12' Long = 71.20' + 6.0" End Stone x 2 = 72.20' Base Length 1 Rows x 51.0" Wide + 6.0" Side Stone x 2 = 5.25' Base Width 12.0" Base + 30.0" Chamber Height + 6.0" Cover= 4.00' Field Height 1.0 T Side-Z x Height = 48.0" Flare/Side Base Length + Flare x 2 = 80.20'Top Length Base Width + Flare x 2 = 13.25' Top Length 10 Chambers x 45.9 cf=459.4 cf Chamber Storage 2,840.7 cf Field -459.4 cf Chambers = 2,381.3 cf Stone x 40.0% Voids = 952.5 cf Stone Storage Stone + Chamber Storage = 1,411.9 cf= 0.032 of 10 Chambers 105.2 cy Field 88.2 cy Stone I M[L] I-� f SALEM ST6-7-17 Type/1/ 24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 55 Pond 9P: CHAMBERS Hrrah 0.56 Cfs I E Inflow Outflow Inflow Area=0.200 ac Discarded 0.6 Peak Elev=101.92' 0.55 El Primary 0.5 Storage=0.013 of 0.45 ^ 0.4 cn 0.35 a 3 0.3 ,° 0.25 0.2 0.15 0.06 Cfs v 0.00 Cfs o ,.,3, 1 2 3 4 5 6 7 8 9 1011121314151617181920 Time (hours) SALEM ST6-7-17 Type /// 24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here) Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 56 Summary for Pond XFIL: CHAMBERS Inflow Area = 0.764 ac, 19.92% Impervious, Inflow Depth > 1.62" for 10YR event Inflow = 1.26 cfs @ 12.17 hrs, Volume= 0.103 of Outflow = 0.19 cfs @ 13.04 hrs, Volume= 0.103 af, Atten= 85%, Lag= 52.0 min Discarded = 0.19 cfs @ 13.04 hrs, Volume= 0.103 of Primary = 0.00 cfs @ 1.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 102.02' @ 13.04 hrs Surf.Area= 2,040 sf Storage= 1,721 cf Plug-Flow detention time= 94.7 min calculated for 0.103 of(100% of inflow) Center-of-Mass det. time= 94.0 min ( 910.8 - 816.7 ) Volume Invert Avail.Storage Storage Description #1 A 100.00, 4,003 cf 6.25'W x 194.24'L x 5.00'H Field A Z=1.0 11,249 cf Overall - 1,240 cf Embedded = 10,009 cf x 40.0% Voids #2A 101.00, 1,240 cf StormTech SC-740 x 27 Inside#1 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.12'L = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.56'L with 0.44' Overlap 5,244 cf Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 100.00' 4.000 in/hr Exfiltration over Surface area #2 Primary 104.33' 6.0" Horiz. Orifice/Grate X 44.00 C= 0.600 Limited to weir flow at low heads Discarded OutFlow Max=0.19 cfs @ 13.04 hrs HW=102.02' (Free Discharge) 't--1=Exfiltration (Exfiltration Controls 0.19 cfs) Primary OutFlow Max=0.00 cfs @ 1.00 hrs HW=100.00' (Free Discharge) 't-2=Orifice/Grate ( Controls 0.00 cfs) SALEM ST6-7-17 Type Ill 24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here) Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 57 Pond XFIL: CHAMBERS - Chamber Wizard Field A Chamber Model= StormTech SC-740 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.121 = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.56'L with 0.44' Overlap 51.0" Wide + 0.0" Spacing = 51.0" C-C 27 Chambers/Row x 7.12' Long = 192.24' + 12.0" End Stone x 2 = 194.24' Base Length 1 Rows x 51.0" Wide + 12.0" Side Stone x 2 = 6.25' Base Width 12.0" Base + 30.0" Chamber Height+ 18.0" Cover= 5.00' Field Height 1.0 '/' Side-Z x Height = 60.0" Flare/Side Base Length + Flare x 2 = 204.24' Top Length Base Width + Flare x 2 = 16.25' Top Length 27 Chambers x 45.9 cf= 1,240.4 cf Chamber Storage 11,248.9 cf Field - 1,240.4 cf Chambers = 10,008.5 cf Stone x 40.0% Voids = 4,003.4 cf Stone Storage Stone + Chamber Storage = 5,243.8 cf= 0.120 of 27 Chambers 416.6 cy Field 370.7 cy Stone t i u �a �I �x w. i L ;-1 --i SALEM ST6-7-17 Type/1/24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 58 Pond EXFIL: CHAMBERS Hydrograph 1 .26 CfS El Inflow Inflow Area=0.764 ac Outflow Discarded Peak Elev=102.02' El Primary torage=1,7 1 cf o 0.19 cfs 0.00 cfS o 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type /// 24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 59 Summary for Pond OUTFLOW: prop ne Inflow Area = 2.111 ac, 7.21% Impervious, Inflow Depth > 0.59" for 10YR event Inflow = 1.04 cfs @ 12.21 hrs, Volume= 0.103 of Primary = 1.04 cfs @ 12.21 hrs, Volume= 0.103 af, Atten= 0%, Lag= 0.0 min Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Pond OUTFLOW: prop ne Hydrograph 1 Inflow 2 1 .04 CfS 0 Primary Inflow urea .111 3 o 01 1,s 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type 111 24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here) Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 60 Summary for Pond POND: dpond Inflow Area = 0.330 ac, 0.00% Impervious, Inflow Depth > 0.87" for 10YR event Inflow = 0.28 cfs @ 12.13 hrs, Volume= 0.024 of Outflow = 0.08 cfs @ 12.60 hrs, Volume= 0.024 af, Atten= 71%, Lag= 28.2 min Discarded = 0.08 cfs @ 12.60 hrs, Volume= 0.024 of Primary = 0.00 cfs @ 1.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 118.78' @ 12.60 hrs Surf.Area= 870 sf Storage= 230 cf Plug-Flow detention time= 20.1 min calculated for 0.024 of(100% of inflow) Center-of-Mass det. time= 19.5 min ( 859.8 -840.3 ) Volume Invert Avail.Storage Storage Description #1 118.50' 1,593 cf Custom Stage Data (Prismatic)Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 118.50 764 0 0 119.00 953 429 429 120.00 1,374 1,164 1,593 Device Routing Invert Outlet Devices #1 Discarded 118.50' 4.000 in/hr Exfiltration over Surface area #2 Primary 119.50' 10.0' long x 3.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 Coef. (English) 2.44 2.58 2.68 2.67 2.65 2.64 2.64 2.68 2.68 2.72 2.81 2.92 2.97 3.07 3.32 Discarded OutFlow Max=0.08 cfs @ 12.60 hrs HW=118.78' (Free Discharge) 't--1=Exfiltration (Exfiltration Controls 0.08 cfs) Primary OutFlow Max=0.00 cfs @ 1.00 hrs HW=118.50' (Free Discharge) 't-2=Broad-Crested Rectangular Weir( Controls 0.00 cfs) SALEM ST6-7-17 Type 11124-hr 10YR Rainfall=4.80" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 61 Pond POND: dpond Hydrograph 0.28 CfS j ED Inflow Inflow Area=0.330 ac : Outflow 0.3-w Peak Elev=118.78' Discarded Primary Storage=230 cf 0.25 3 0.15 0 0.08 cfS 0.1 W 0.00 cf� s 1 2 3 4 5 6 7 8 9 10 11 1213 14 1516 171819 20 Time (hours) SALEM ST6-7-17 Type 111 24-hr 10YR Rainfall=4.80" Prepared by {enter your company name here} Printed 6/13/2017 HydroCADO 9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 62 Summary for Link 7L: prop salem st Inflow Area = 1.010 ac, 6.47% Impervious, Inflow Depth > 0.42" for 10YR event Inflow = 0.42 cfs @ 12.13 hrs, Volume= 0.036 of Primary = 0.42 cfs @ 12.13 hrs, Volume= 0.036 af, Atten= 0%, Lag= 0.0 min Primary outflow= Inflow, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Link 7L: prop salem st Hy ro ra l 0 Inflow 0.45:: Inflow area=1.0 1 0.42 CfS El I Primary 0.4_ ; 0.35 : N 0.3 112 == 0.25 0 0.2 LL 0.15-- 0.1 0.05-- 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type III 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 63 Time span=1.00-20.00 hrs, dt=0.05 hrs, 381 points Runoff by SCS TR-20 method, UH=SCS Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method SubcatchmentP-lA: PROPOSED Runoff Area=4,166 sf 0.00% Impervious Runoff Depth>1.61" Flow Length=113' Tc=5.5 min CN=58 Runoff=0.18 cfs 0.013 of SubcatchmentP-1 B1: proposed Runoff Area=16,710 sf 0.00% Impervious Runoff Depth>1.50" Flow Length=185' Tc=8.1 min CN=57 Runoff=0.61 cfs 0.048 of Subcatchment P-1 132: proposed Runoff Area=14,384 sf 0.00% Impervious Runoff Depth>1.48" Flow Length=71' Slope=0.1400 '/' Tc=7.5 min CN=57 Runoff=0.54 cfs 0.041 of SubcatchmentP-IC: DRIVELOTI Runoff Area=8,714 sf 32.64% Impervious Runoff Depth>2.88" Flow Length=50' Slope=0.3300 '/' Tc=0.4 min CN=73 Runoff=0.83 cfs 0.048 of SubcatchmentP-2A: PROPOSED Runoff Area=12,162 sf 0.00% Impervious Runoff Depth>1.51" Flow Length=130' Slope=0.1090 '/' Tc=7.0 min CN=57 Runoff=0.47 cfs 0.035 of Subcatchment P-2B: PROPOSED Runoff Area=46,507 sf 0.00% Impervious Runoff Depth>1.56" Flow Length=423' Tc=13.2 min CN=58 Runoff=1.56 cfs 0.139 of SubcatchmentP-2C: (new Subcat) Runoff Area=33,295 sf 19.92% Impervious Runoff Depth>2.45" Flow Length=397' Tc=11.6 min CN=68 Runoff=1.94 cfs 0.156 of SubcatchmentP-3: PROPOSED Runoff Area=6,115 sf 0.00% Impervious Runoff Depth>1.37" Flow Length=250' Slope=0.1200 '/' Tc=7.9 min CN=55 Runoff=0.20 cfs 0.016 of SubcatchmentP-4: prop nw Runoff Area=42,946 sf 0.00% Impervious Runoff Depth>1.49" Flow Length=351' Slope=0.0764'/' Tc=10.8 min CN=57 Runoff=1.46 cfs 0.123 of Subcatchment P-5: internal Runoff Area=10,767 sf 0.00% Impervious Runoff Depth>1.71" Flow Length=116' Slope=0.1206 '/' Tc=6.6 min CN=59 Runoff=0.49 cfs 0.035 of SubcatchmentP3A: LOT3DRIVE Runoff Area=9,858 sf 57.51% Impervious Runoff Depth>3.78" Flow Length=100' Slope=0.1500 '/' Tc=0.5 min CN=82 Runoff=1.20 cfs 0.071 of Reach 8R: (new Reach) Avg. Depth=0.00' Max Vet=0.00 fps Inflow=0.00 cfs 0.000 of n=0.022 L=100.0' S=0.1700'/' Capacity=13.88 cfs Outflow=0.00 cfs 0.000 of Reach 1OR: CUVERT Avg. Depth=0.15' Max Vet=3.57 fps Inflow=1.56 cfs 0.139 of 36.0"x 12.0" Box Pipe n=0.009 L=73.0' S=0.0068 '/' Capacity=21.32 cfs Outflow=1.56 cfs 0.139 of Pond 2P: prop se Inflow=0.20 cfs 0.016 of Primary=0.20 cfs 0.016 of Pond 3P: CHAMBERS Peak EIev=102.55' Storage=0.029 of Inflow=1.20 cfs 0.071 of Discarded=0.11 cfs 0.071 of Primary=0.00 cfs 0.000 of Outflow=0.11 cfs 0.071 of Pond 9P: CHAMBERS Peak EIev=102.72' Storage=0.020 of Inflow=0.83 cfs 0.048 of Discarded=0.08 cfs 0.047 of Primary=0.00 cfs 0.000 of Outflow=0.08 cfs 0.047 of SALEM ST6-7-17 Type /// 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 64 Pond EXFIL: CHAMBERS Peak EIev=103.06' Storage=2,956 cf Inflow=1.94 cfs 0.156 of Discarded=0.23 cfs 0.142 of Primary=0.00 cfs 0.000 of Outflow=0.23 cfs 0.142 of Pond OUTFLOW:prop ne Inflow=1.91 cfs 0.174 of Primary=1.91 cfs 0.174 of Pond POND: dpond Peak EIev=119.14' Storage=566 cf Inflow=0.54 cfs 0.041 of Discarded=0.09 cfs 0.041 of Primary=0.00 cfs 0.000 of Outflow=0.09 cfs 0.041 of Link 7L: prop salem st Inflow=0.79 cfs 0.061 of Primary=0.79 cfs 0.061 of Total Runoff Area = 4.720 ac Runoff Volume = 0.725 of Average Runoff Depth = 1.84" 92.63% Pervious = 4.373 ac 7.37% Impervious = 0.348 ac SALEM ST6-7-17 Type III 24-hr 25YR Rainfall=6.00" Prepared by{enter your company name here) Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 65 Summary for Subcatchment P-1A: PROPOSED Runoff = 0.18 cfs @ 12.10 hrs, Volume= 0.013 af, Depth> 1.61" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 25YR Rainfall=6.00" Area (sf) CN Description 2,208 61 >75% Grass cover, Good, HSG B 1,958 55 Woods, Good, HSG B 4,166 58 Weighted Average 4,166 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.3 50 0.0400 0.20 Sheet Flow, Grass: Short n= 0.150 P2= 3.22" 1.3 63 0.0140 0.83 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 5.5 113 Total Subcatchment P-1A: PROPOSED Hydrograph 0.2 0.18 CfS Runoff 0.18 Type III 24-hr 25YR 0.16 -1 Rainfall=6.00" - Runoff Area=4,166 sf 0.14 Runoff Volume=0.013 of 0.12 Runoff Depth>1.61°° 3 0.1 Flow Length=113' ° Tc=5.5 rain E: 0.08 C'N=58 0.06 0.04 0.02 0 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type /// 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 66 Summary for Subcatchment P-1 1: proposed Runoff = 0.61 cfs @ 12.13 hrs, Volume= 0.048 af, Depth> 1.50" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 25YR Rainfall=6.00" Area (sf) CN Description 11,854 55 Woods, Good, HSG B 4,856 61 >75% Grass cover, Good, HSG B 16,710 57 Weighted Average 16,710 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.5 50 0.1000 0.13 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 0.9 52 0.0400 1.00 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 0.8 83 0.1250 1.77 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 8.1 185 Total Subcatchment P-1 1: proposed H drograpl 0.61 ds 0.65- Runoff 0.6- Type III 24-hr 25YR 0.55 Rainfall=600" 0.5 Runoff rea=16,710 sf ., 0.45 Runoff Volume=0.048 of 0.4: Runoff,Depth>1.�50" 0.35 _ Flow Length=185' ® 0.3' Tc=8.1 min `- 0.25 CN=57 0.2 0.15 0.1 0.05 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type III 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here) Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 67 Summary for Subcatchment -1132: proposed Runoff = 0.54 cfs @ 12.12 hrs, Volume= 0.041 af, Depth> 1.48" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 25YR Rainfall=6.00" Area (sf) CN Description 10,623 55 Woods, Good, HSG B 3,761 61 >75% Grass cover, Good HSG B 14,384 57 Weighted Average 14,384 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.5 71 0.1400 0.16 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" Subcatchment P-1 2: proposed d rc ra h 0.6= 0.54 cfs Runoff 0.55 Type III 24-hr 25YR 0.5 v Rainfall=6.00" 0.45 = Runoff Area=14,384 sf 0.4- Runoff Volume=0.041 of v 0.35 Runoff Depth>1.48°' 3 0.3 Flow Length=71' 0.25 Slope=0.1400 0.2 Tc=7.5 min 0.15 CN=57 0.1 0.05 1114 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type 11124-hr 25YR Rainfall=6.00" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD09.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 68 Summary for Subcatchment -1 C: DRIVELOT1 Runoff = 0.83 cfs @ 12.01 hrs, Volume= 0.048 af, Depth> 2.88" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 25YR Rainfall=6.00" Area (sf) CN Description 2,844 98 Paved parking, HSG B 5,870 61 >75% Grass cover, Good HSG B 8,714 73 Weighted Average 5,870 67.36% Pervious Area 2,844 32.64% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.4 50 0.3300 2.12 Sheet Flow, n= 0.022 P2= 3.22" Subcatchment P-1 C: DRIVELOT1 ydgraI 0.9 _ 0.83 cfs Runoff 0.8- Type III 24-h r 25YR Rainfall=6.00" 0.7 Runoff urea=8,714 sf 0.6- Runoff Volume=0.048 of v 0.5 Runoff Depth>2.88°'Flow Length=50' 0.4 Slope=0.3300 '/' 0.3 Tc=0.4 rain C'N=73 0.2 �i 0.1 0 . 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type /// 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here} Printed 6/13/2017 HydroCADO 9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 69 Summary for Subcatchment P-2A: PROPOSED Runoff = 0.47 cfs @ 12.12 hrs, Volume= 0.035 af, Depth> 1.51" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 25YR Rainfall=6.00" Area (sf) CN Description 3,787 61 >75% Grass cover, Good, HSG B 8,375 55 Woods Good HSG B 12,162 57 Weighted Average 12,162 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.2 50 0.1090 0.13 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 0.8 80 0.1090 1.65 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 7.0 130 Total Subcatchment -2A: PROPOSED Hydrograph 0.5 0.47 cfs Runoff Type III'24-hr'25YR 0.45 Rainfall=600" 0.4 - Runoff Area=12,162 sf 0.35-- Runoff Volume=0.035 of 0.3- Runoff Depth>1.51'° 3 0.25- Flow Length=130' Slope=0.1090 '/' 0.2 Te=7.0 min 0.15 ; CN=57 0.1 0.05 0 , 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type III 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 70 Summary for Subcatchment P-2S: PROPOSED Runoff = 1.56 cfs @ 12.20 hrs, Volume= 0.139 af, Depth> 1.56" Runoff by SCS TR-20.method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 25YR Rainfall=6.00" Area (sf) CN Description 25,775 55 Woods, Good, HSG B 20,732 61 >75% Grass cover, Good HSG B 46,507 58 Weighted Average 46,507 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.9 50 0.0600 0.11 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 0.9 109 0.1800 2.12 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 2.6 134 0.0150 0.86 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 1.8 130 0.0300 1.21 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 13.2 423 Total Subcatchment P-2D: PROPOSED Hydrograph 1 .56 cfs Runoff Type III 2 -hr 25YR Rainfall= .0 " Runoff rea= 6,57 sf 1 Runoff Volume=0.139 of �- Runoff eth>1.56" o Flow Length=423' Tc=13.2 min CN=58 0 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 1920 Time (hours) SALEM ST6-7-17 Type ///24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 71 Summary for Subcatchment P-2C: (new Subcat) Runoff = 1.94 cfs @ 12.17 hrs, Volume= 0.156 af, Depth> 2.45" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 25YR Rainfall=6.00" Area (sf) CN Description 26,662 61 >75% Grass cover, Good, HSG B 6,633 98 Paved parking, HSG B 33,295 68 Weighted Average 26,662 80.08% Pervious Area 6,633 19.92% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.4 50 0.0100 0.11 Sheet Flow, Grass: Short n= 0.150 P2= 3.22" 2.8 137 0.0140 0.83 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 1.4 210 0.1200 2.42 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 11.6 397 Total Subcatchment P-2C: (new Subcat) Hydrograph 1 .94 Cfs ; Runoff 2 Type 111 24-hr 25YR ainfall=6.00°' Runoff Area=33,295 sf Runoff Volume=0.156 of Runoff Depth> .45" _o low Length=397' Tc=11.6 min CN=68 o 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 1920 Time (hours) SALEM ST6-7-17 Type 111 24-hr 25YR Rainfall=6.00" Prepared by{enter your company name here) Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 72 Summary for Subcatchment P-3: PROPOSED Runoff = 0.20 cfs @ 12.13 hrs, Volume= 0.016 af, Depth> 1.37" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 25YR Rainfall=6.00" Area (sf) CN Description 6,115 55 Woods Good HSG B 6,115 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 50 0.1200 0.14 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 1.9 200 0.1200 1.73 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 7.9 250 Total Subcatchment P-3: PROPOSED Hydrograph 0.22 0.20 cfs Runoff 0.2 Type III 24-hr 25YR 0.18- Rainfall=6.00°' 0.16 Runoff Area=6,115 sf 0.14 Runoff Volume=0.016 of " 0.12 Runoff epth>1.37" Flow Length=250' o 0.1 Slope=0.1200_'/' 0.08 Tc=7.9 ruin 0.06 CN=55 0.04 0.02 0 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type III 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 73 Summary for Subcatchment P-4: prop nw Runoff = 1.46 cfs @ 12.17 hrs, Volume= 0.123 af, Depth> 1.49" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 25YR Rainfall=6.00" Area (sf) CN Description 12,424 61 >75% Grass cover, Good, HSG B 30,522 55 Woods Good, HSG B 42,946 57 Weighted Average 42,946 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) Oft) (ft/sec) (cfs) 7.2 50 0.0764 0.12 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 3.6 301 0.0764 1.38 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 10.8 351 Total Subcatchment P-4: prop nw Hydrograph 1 .46 ds Runoff Type III'24-hr 25YR Rainfall=6.00°0 Runoff Area=42,946 sf Runoff Volume=0.123 of 1 Runoff Depth>1.49'° Flow Length=351' Slope=0.0764 '/° Tc=10.8 min CN=57 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type III 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 74 Summary for Subcatchment P-5: internal Runoff = 0.49 cfs @ 12.11 hrs, Volume= 0.035 af, Depth> 1.71" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 25YR Rainfall=6.00" Area (sf) CN Description 8,014 61 >75% Grass cover, Good, HSG B 2,753 55 Woods Good HSG B 10,767 59 Weighted Average 10,767 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 50 0.1206 0.14 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 0.6 66 0.1206 1.74 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 6.6 116 Total Subcatchment P-5: internal Hydrograph 0.55 : � Runoff 0.49 cfs 0.5 Type III 24-hr 25YR 0.45 Rainfall=600'° 0.4 Runoff Area=10,767 sf -- 0.35' Runoff Volume=0.035 of 0.3 Runoff Depth>1.71" Flow Length=116' ® 0.25 Slope=0.1206 '/' "- 0.2 V Tc=6.6 min 0.15 CN=59 0.1 - 0.05 0 . 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type III 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 75 Summary for Subcatchment P3A: LOT3DRIVE Runoff = 1.20 cfs @ 12.01 hrs, Volume= 0.071 af, Depth> 3.78" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 25YR Rainfall=6.00" Area (sf) CN Description 5,669 98 Paved parking, HSG B 4,189 61 >75% Grass cover, Good, HSG B 9,858 82 Weighted Average 4,189 42.49% Pervious Area 5,669 57.51% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.5 100 0.1500 3.09 Sheet Flow, Smooth surfaces n= 0.011 P2= 3.22" Subcatchment P3A: LOT3DRIV Hydro graph 1 .20 cfs L Runoff Type III 24-hr 25YR Rainfall'=6.00°' Runoff Area=9,858 sf Runoff Volume=0.071 of Runoff Depth>3.78 Flow Length=100' �° Slope=0.1500 Tc=0.5 min CN=82 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type III 24-hr 25YR Rainfall=6.00" Prepared by{enter your company name here} Printed 6/13/2017 HydroCADO 9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 76 Summary for Reach 8R: (new Reach) Inflow Area = 0.330 ac, 0.00% Impervious, Inflow Depth = 0.00" for 25YR event Inflow = 0.00 cfs @ 1.00 hrs, Volume= 0.000 of Outflow = 0.00 cfs @ 1.00 hrs, Volume= 0.000 af, Atten= 0%, Lag= 0.0 min Routing by Stor-Ind+Trans method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Max. Velocity= 0.00 fps, Min. Travel Time= 0.0 min Avg. Velocity = 0.00 fps, Avg. Travel Time= 0.0 min Peak Storage= 0 cf @ 1.00 hrs, Average Depth at Peak Storage= 0.00' Bank-Full Depth= 0.60', Capacity at Bank-Full= 13.88 cfs 2.50' x 0.60' deep Parabolic Channel, n= 0.022 Length= 100.0' Slope= 0.1700 '/' Inlet Invert= 119.00', Outlet Invert= 102.00' Reach 8 : (new Reach) Hydrograph Inflow Inflow Area=0.330 ac 0 Outflow Avg. ept =0.00' Maxel=0 0 fps =0. L=10 .0' o S=0.170 T acoy=1 . 8 cfs NO 0.00 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type/1/ 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HVdroCAD Software Solutions LLC Page 77 Summary for Reach 1 OR: CUVERT Inflow Area = 1.068 ac, 0.00% Impervious, Inflow Depth > 1.56" for 25YR event Inflow = 1.56 cfs @ 12.20 hrs, Volume= 0.139 of Outflow = 1.56 cfs @ 12.21 hrs, Volume= 0.139 af, Atten= 1%, Lag= 0.5 min Routing by Stor-Ind+Trans method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Max. Velocity= 3.57 fps, Min. Travel Time= 0.3 min Avg. Velocity= 1.38 fps, Avg. Travel Time= 0.9 min Peak Storage= 32 cf @ 12.21 hrs, Average Depth at Peak Storage= 0.15' Bank-Full Depth= 1.00', Capacity at Bank-Fu►l= 21.32 cfs 36.0" W x 12.0" H Box Pipe n= 0.009 Length= 73.0' Slope= 0.0068 '/' Inlet Invert= 117.50', Outlet Invert= 117.00' Reach 10R: CUVERT Hydrograph Ell Inflow Inflow Area=1.068 ac 1 .56 cfs 0 outflow Avg Depth=0.15' Max Vet=3.57 fps 36.0" x 12...0'° 1 Box Pipe n=0.009 0 L=73.0 s S=0.0068 '/° Capacity=21.32 cfs � 0 , 1 2 3 4 5 6 7 8 9 1011121314151617181920 Time (hours) SALEM ST6-7-17 Type III 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here) Printed 6/13/2017 HydroCAD09.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 78 Summary for Pond 2P: prop se Inflow Area = 0.367 ac, 35.49% Impervious, Inflow Depth > 0.52" for 25YR event Inflow = 0.20 cfs @ 12.13 hrs, Volume= 0.016 of Primary = 0.20 cfs @ 12.13 hrs, Volume= 0.016 af, Atten= 0%, Lag= 0.0 min Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Pond 2P: prop se Hydrograph Inflow 0.22= 0.20 c El Primary 0.2 Inflow r = . 0.18" 0.16 N 0.14 x 0.12 s 0 " 0.08 0 06 0 04 0.02- 0,14 � . 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1920 Time (hours) SALEM ST6-7-17 Type 111 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 79 Summary for Pond 3P: CHAMBERS Inflow Area = 0.226 ac, 57.51% Impervious, Inflow Depth > 3.78" for 25YR event Inflow = 1.20 cfs @ 12.01 hrs, Volume= 0.071 of Outflow = 0.11 cfs @ 12.76 hrs, Volume= 0.071 af, Atten= 90%, Lag= 45.0 min Discarded = 0.11 cfs @ 12.76 hrs, Volume= 0.071 of Primary = 0.00 cfs @ 1.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 102.55' @ 12.76 hrs Surf.Area= 0.029 ac Storage= 0.029 of Plug-Flow detention time= 109.0 min calculated for 0.071 of(100% of inflow) Center-of-Mass det. time= 108.6 min ( 879.9- 771.3 ) Volume Invert Avail.Storage Storage Description #1A 100.00, 0.034 of 5.25'W x 114.92'L x 4.00'H Field A Z=1.0 0.102 of Overall - 0.017 of Embedded = 0.085 of x 40.0% Voids #2A 101.00, 0.017 of StormTech SC-740 x 16 Inside#1 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.121 = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.56'L with 0.44' Overlap 0.051 of Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 100.00' 4.000 in/hr Exfiltration over Surface area #2 Primary 104.00' 6.0" Horiz. Orifice/Grate X 10.00 C= 0.600 Limited to weir flow at low heads Discarded OutFlow Max=0.11 cfs @ 12.76 hrs HW=102.55' (Free Discharge) "�--1=Exfiltration (Exfiltration Controls 0.11 cfs) Primary OutFlow Max=0.00 cfs @ 1.00 hrs HW=100.00' (Free Discharge) `-2=Orifice/Grate ( Controls 0.00 cfs) SALEM ST6-7-17 Type III 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 80 Pond 3P: CHAMBERS - Chamber Wizard Field A Chamber Model= StormTech SC-740 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.121 = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.561 with 0.44' Overlap 51.0" Wide + 0.0" Spacing = 51.0" C-C 16 Chambers/Row x 7.12' Long = 113.92' + 6.0" End Stone x 2 = 114.92' Base Length 1 Rows x 51.0" Wide + 6.0" Side Stone x 2 = 5.25' Base Width 12.0" Base + 30.0" Chamber Height+ 6.0" Cover= 4.00' Field Height 1.0 '/' Side-Z x Height = 48.0" Flare/Side Base Length + Flare x 2 = 122.92' Top Length Base Width + Flare x 2 = 13.25' Top Length 16 Chambers x 45.9 cf= 735.0 cf Chamber Storage 4,421.4 cf Field - 735.0 cf Chambers = 3,686.3 cf Stone x 40.0% Voids = 1,474.5 cf Stone Storage Stone + Chamber Storage = 2,209.6 cf= 0.051 of 16 Chambers 163.8 cy Field 136.5 cy Stone kf 1= r� 11 :l t S SALEM ST6-7-17 Type III 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here) Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 81 Pond 3P: CHAMBERS Hdrgrap 1 .20 CfS 1- Inflow Inflow rea=0.226ac� outflow Discarded Peak Elev=l02.55` El Primary Storage=0. 9 of 1 � v 0.11 cfs 0.00 Cfs o 1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 1819 20 Time (hours) SALEM ST6-7-17 Type III 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD09.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 82 Summary for Pond 9P: CHAMBERS Inflow Area = 0.200 ac, 32.64% Impervious, Inflow Depth > 2.88" for 25YR event Inflow = 0.83 cfs @ 12.01 hrs, Volume= 0.048 of Outflow = 0.08 cfs @ 12.88 hrs, Volume= 0.047 af, Atten= 91%, Lag= 52.3 min Discarded = 0.08 cfs @ 12.88 hrs, Volume= 0.047 of Primary = 0.00 cfs @ 1.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 102.72' @ 12.88 hrs Surf.Area= 0.019 ac Storage= 0.020 of Plug-Flow detention time= 126.0 min calculated for 0.047 of(97% of inflow) Center-of-Mass det. time= 116.7 min ( 906.8- 790.0 ) Volume Invert Avail.Storage Storage Description #1 A 100.00, 0.022 of 5.25'W x 72.20'L x 4.00'H Field A Z=1.0 0.065 of Overall -0.011 of Embedded = 0.055 of x 40.0% Voids #2A 101.00, 0.011 of StormTech SC-740 x 10 Inside#1 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.12'L = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.56'L with 0.44' Overlap 0.032 of Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 100.00' 4.000 in/hr Exfiltration over Surface area #2 Primary 104.00' 6.0" Horiz. Orifice/Grate X 10.00 C= 0.600 Limited to weir flow at low heads Qiscarded OutFlow Max=0.08 cfs @ 12.88 hrs HW=102.72' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.08 cfs) Primary OutFlow Max=0.00 cfs @ 1.00 hrs HW=100.00' (Free Discharge) `t-2=Orifice/Grate ( Controls 0.00 cfs) SALEM ST6-7-17 Type III 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here) Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 83 Pond 9P: CHAMBERS - Chamber Wizard Field A Chamber Model= StormTech SC-740 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.12'L = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.56'L with 0.44' Overlap 51.0" Wide + 0.0" Spacing = 51.0" C-C 10 Chambers/Row x 7.12' Long = 71.20' + 6.0" End Stone x 2 = 72.20' Base Length 1 Rows x 51.0" Wide + 6.0" Side Stone x 2 = 5.25' Base Width 12.0" Base + 30.0" Chamber Height+ 6.0" Cover=4.00' Field Height 1.0 '/' Side-Z x Height =48.0" Flare/Side Base Length + Flare x 2 = 80.20'Top Length Base Width + Flare x 2 = 13.25' Top Length 10 Chambers x 45.9 cf= 459.4 cf Chamber Storage 2,840.7 cf Field -459.4 cf Chambers = 2,381.3 cf Stone x 40.0% Voids = 952.5 cf Stone Storage Stone + Chamber Storage = 1,411.9 cf= 0.032 of 10 Chambers 105.2 cy Field 88.2 cy Stone r SALEM ST6-7-17 Type III 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 84 Pond 9P: CHAMBERS Hydrograph 0.83 CfS ElInflow inflow Area=0.200 ac_.__ � Outflow 0.9- Discarded Peak Elev=102.72' Primary 0.8: Storage=0.020 of 0.7= -- 0.6 0 0.4 U. 0.3.11 m 0.2: 0.08 CfS 0.00 CfS 1 2 3 4 5 6 7 8 9 10 11 1213 14 1516 171819 2f 0 Time (hours) SALEM ST6-7-17 Type Ill 24-hr 25YR Rainfall=6.00" Prepared by{enter your company name here} Printed 6/13/2017 HydroCADO 9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 85 Summary for Pond EXFIL: CHAMBERS Inflow Area = 0.764 ac, 19.92% Impervious, Inflow Depth > 2.45" for 25YR event Inflow = 1.94 cfs @ 12.17 hrs, Volume= 0.156 of Outflow = 0.23 cfs @ 13.24 hrs, Volume= 0.142 af, Atten= 88%, Lag= 64.6 min Discarded = 0.23 cfs @ 13.24 hrs, Volume= 0.142 of Primary = 0.00 cfs @ 1.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 103.06' @ 13.24 hrs Surf.Area= 2,477 sf Storage= 2,956 cf Plug-Flow detention time= 147.0 min calculated for 0.142 of(91% of inflow) Center-of-Mass det. time= 118.3 min ( 925.9- 807.5 ) Volume Invert Avail.Storage Storage Description #1A 100.00, 4,003 cf 6.25'W x 194.24'L x 5.00'H Field A Z=1.0 11,249 cf Overall - 1,240 cf Embedded = 10,009 cf x 40.0%Voids #2A 101.00, 1,240 cf StormTech SC-740 x 27 Inside#1 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.121 = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.561 with 0.44' Overlap 5,244 cf Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 100.00' 4.000 in/hr Exfiltration over Surface area #2 Primary 104.33' 6.0" Horiz. Orifice/Grate X 44.00 C= 0.600 Limited to weir flow at low heads Discarded OutFlow Max=0.23 cfs @ 13.24 hrs HW=103.06' (Free Discharge) 't-1=Exfiltration (Exfiltration Controls 0.23 cfs) Primary OutFlow Max=0.00 cfs @ 1.00 hrs HW=100.00' (Free Discharge) 't-2=Orifice/Grate ( Controls 0.00 cfs) SALEM ST6-7-17 Type III 24-hr 25YR Rainfall=6.00" Prepared by{enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 86 Pond EXFIL: CHAMBERS - Chamber Wizard Field A Chamber Model_ StormTech SC-740 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.12'L = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.56'L with 0.44' Overlap 51.0" Wide + 0.0" Spacing = 51.0" C-C 27 Chambers/Row x 7.12' Long = 192.24' + 12.0" End Stone x 2 = 194.24' Base Length 1 Rows x 51.0" Wide + 12.0" Side Stone x 2 = 6.25' Base Width 12.0" Base + 30.0" Chamber Height+ 18.0" Cover= 5.00' Field Height 1.0 '/' Side-Z x Height = 60.0" Flare/Side Base Length + Flare x 2 = 204.24' Top Length Base Width + Flare x 2 = 16.25' Top Length 27 Chambers x 45.9 cf= 1,240.4 cf Chamber Storage 11,248.9 cf Field - 1,240.4 cf Chambers = 10,008.5 cf Stone x 40.0% Voids = 4,003.4 cf Stone Storage Stone + Chamber Storage = 5,243.8 cf= 0.120 of 27 Chambers 416.6 cy Field 370.7 cy Stone ,7 f- 7 3 7' L { µ H SALEM ST6-7-17 Type III 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD89.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 87 Pond EXFIL: CHAMBERS irrah 1 .94 CfS U,iii Inflow Inflow Area=0.764 ac A Outflow Discarded 2- Peak Elev=103.06' El Primary Storage=2,956 cf v oWE 0.23 cfs 0.00 CfS 1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 1819 20 Time (hours) SALEM ST6-7-17 Type III 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 88 Summary for Pond OUTFLOW: prop ne Inflow Area = 2.111 ac, 7.21% Impervious, Inflow Depth > 0.99" for 25YR event Inflow = 1.91 cfs @ 12.20 hrs, Volume= 0.174 of Primary = 1.91 cfs @ 12.20 hrs, Volume= 0.174 af, Atten= 0%, Lag= 0.0 min Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Pond OUTFLOW: prop ne Hydrograph Inflow 1 .91 CfS 0 Primary 2 Inflow Area=2.111 Cal r 0 1 0 . . 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type III 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 89 Summary for Pond POND: dpond Inflow Area = 0.330 ac, 0.00% Impervious, Inflow Depth > 1.48" for 25YR event Inflow = 0.54 cfs @ 12.12 hrs, Volume= 0.041 of Outflow = 0.09 cfs @ 12.81 hrs, Volume= 0.041 af, Atten= 83%, Lag= 41.5 min Discarded = 0.09 cfs @ 12.81 hrs, Volume= 0.041 of Primary = 0.00 cfs @ 1.00 hrs, Volume= 0.000 of Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 119.14' @ 12.81 hrs Surf.Area= 1,012 sf Storage= 566 cf Plug-Flow detention time= 56.3 min calculated for 0.041 of(100% of inflow) Center-of-Mass det. time= 55.8 min ( 882.9 - 827.0 ) Volume Invert Avail.Storage Storage Description #1 118.50' 1,593 cf Custom Stage Data (Prismatic)Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 118.50 764 0 0 119.00 953 429 429 120.00 1,374 1,164 1,593 Device Routing Invert Outlet Devices #1 Discarded 118.50' 4.000 in/hr Exfiltration over Surface area #2 Primary 119.50' 10.0' long x 3.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 3.50 4.00 4.50 Coef. (English) 2.44 2.58 2.68 2.67 2.65 2.64 2.64 2.68 2.68 2.72 2.81 2.92 2.97 3.07 3.32 Qiscarded OutFlow Max=0.09 cfs @ 12.81 hrs HW=119.14' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.09 cfs) Primary OutFlow Max=0.00 cfs @ 1.00 hrs HW=118.50' (Free Discharge) 't-2=Broad-Crested Rectangular Weir( Controls 0.00 cfs) SALEM ST6-7-17 Type /// 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 90 Pond POND: dpond Hydrograph 0.54 cfS 1 Inflow Inflow Area=0.330 ac _ Outflow 0.6 Discarded 0.55= Peak Elev=119.14' El Primary 0.5 m Storage=566 cf 0.45 v, - v 0 35 03 3 ° 0.25- u_ 0.2 0.09 cfs 0.15= � � � � 0.00 cfS 1 2 3 4 5 6 7 8 9 10 11 1213 14 1516 1718 19 20 Time (hours) SALEM ST6-7-17 Type Ill 24-hr 25YR Rainfall=6.00" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 91 Summary for Link 7L: prop salem st Inflow Area = 1.010 ac, 6.47% Impervious, Inflow Depth > 0.72" for 25YR event Inflow = 0.79 cfs @ 12.12 hrs, Volume= 0.061 of Primary = 0.79 cfs @ 12.12 hrs, Volume= 0.061 af, Atten= 0%, Lag= 0.0 min Primary outflow = Inflow, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Link 7L: prop salem st Iyrap U Inflow 0.79 cfs 0 Primary 0.8 Inflow Area=1.01 0.7- 0.6 fA - 0.5 0.4= 0.3- 0.1 Ammon? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type /// 24-hr 100YR Rainfall=8.60" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 92 Time span=1.00-20.00 hrs, dt=0.05 hrs, 381 points Runoff by SCS TR-20 method, UH=SCS Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method SubcatchmentP-1A: PROPOSED Runoff Area=4,166 sf 0.00% Impervious Runoff Depth>3.30" Flow Length=113' Tc=5.5 min CN=58 Runoff=0.39 cfs 0.026 of SubcatchmentP-1 B1: proposed Runoff Area=16,710 sf 0.00% Impervious Runoff Depth>3.13" Flow Length=185' Tc=8.1 min CN=57 Runoff=1.37 cfs 0.100 of SubcatchmentP-11132: proposed Runoff Area=14,384 sf 0.00% Impervious Runoff Depth>3.11" Flow Length=71' Slope=0.1400 '/' Tc=7.5 min CN=57 Runoff=1.20 cfs 0.086 of SubcatchmentPAC: DRIVELOTI Runoff Area=8,714 sf 32.64% Impervious Runoff Depth>5.03" Flow Length=50' Slope=0.3300'/' Tc=0.4 min CN=73 Runoff=1.43 cfs 0.084 of SubcatchmentP-2A: PROPOSED Runoff Area=12,162 sf 0.00% Impervious Runoff Depth>3.15" Flow Length=130' Slope=0.1090 T Tc=7.0 min CN=57 Runoff=1.04 cfs 0.073 of SubcatchmentP-2B: PROPOSED Runoff Area=46,507 sf 0.00% Impervious Runoff Depth>3.23" Flow Length=423' Tc=13.2 min CN=58 Runoff=3.39 cfs 0.287 of SubcatchmentP-2C: (new Subcat) Runoff Area=33,295 sf 19.92% Impervious Runoff Depth>4.46" Flow Length=397' Tc=11.6 min CN=68 Runoff=3.55 cfs 0.284 of SubcatchmentP-3: PROPOSED Runoff Area=6,115 sf 0.00% Impervious Runoff Depth>2.93" Flow Length=250' Slope=0.1200 '/' Tc=7.9 min CN=55 Runoff=0.47 cfs 0.034 of SubcatchmentP-4: prop nw Runoff Area=42,946 sf 0.00% Impervious Runoff Depth>3.13" Flow Length=351' Slope=0.0764'/' Tc=10.8 min CN=57 Runoff=3.25 cfs 0.257 of SubcatchmentP-5: internal Runoff Area=10,767 sf 0.00% Impervious Runoff Depth>3.44" Flow Length=116' Slope=0.1206 T Tc=6.6 min CN=59 Runoff=1.03 cfs 0.071 of SubcatchmentP3A: LOT3DRIVE Runoff Area=9,858 sf 57.51% Impervious Runoff Depth>6.11" Flow Length=100' Slope=0.1500 '/' Tc=0.5 min CN=82 Runoff=1.89 cfs 0.115 of Reach 8R: (new Reach) Avg. Depth=0.13' Max Vet=5.37 fps Inflow=0.56 cfs 0.016 of n=0.022 L=100.0' S=0.1700'/' Capacity=13.88 cfs Outflow=0.55 cfs 0.016 of Reach 1 OR: CUVERT Avg. Depth=0.24' Max Vet=4.76 fps Inflow=3.39 cfs 0.287 of 36.0"x 12.0" Box Pipe n=0.009 L=73.0' S=0.0068'/' Capacity=21.32 cfs Outflow=3.38 cfs 0.287 of Pond 2P: prop se Inflow=0.47 cfs 0.036 of Primary=0.47 cfs 0.036 of Pond 3P: CHAMBERS Peak Elev=104.02' Storage=0.051 of Inflow=1.89 cfs 0.115 of Discarded=0.15 cfs 0.101 of Primary=0.16 cfs 0.002 of Outflow=0.31 cfs 0.103 of Pond 9P: CHAMBERS Peak Elev=104.05' Storage=0.032 of Inflow=1.43 cfs 0.084 of Discarded=0.10 cfs 0.065 of Primary=0.57 cfs 0.008 of Outflow=0.67 cfs 0.073 of SALEM ST6-7-17 Type 11124-hr 100YR Rainfall=8.60" Prepared by{enter your company name here} Printed 6/13/2017 HydroCAD09.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 93 Pond EXFIL:CHAMBERS Peak EIev=104.38' Storage=4,450 cf Inflow=3.55 cfs 0.284 of Discarded=0.28 cfs 0.191 of Primary=2.51 cfs 0.045 of Outflow=2.80 cfs 0.236 of Pond OUTFLOW:prop ne Inflow=5.13 cfs 0.405 of Primary=5.13 cfs 0.405 of Pond POND: dpond Peak EIev=119.58' Storage=1,054 cf Inflow=1.20 cfs 0.086 of Discarded=0.11 cfs 0.069 of Primary=0.56 cfs 0.016 of Outflow=0.67 cfs 0.085 of Link 7L: prop salem st Inflow=1.89 cfs 0.150 of Primary=1.89 cfs 0.150 of Total Runoff Area= 4.720 ac Runoff Volume = 1.417 of Average Runoff Depth = 3.60" 92.63% Pervious = 4.373 ac 7.37% Impervious = 0.348 ac SALEM ST6-7-17 Type 111 24-hr 100YR Rainfall=8.60" Prepared by{enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 94 Summary for Subcatchment P-1A: PROPOSED Runoff = 0.39 cfs @ 12.09 hrs, Volume= 0.026 af, Depth> 3.30" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 100YR Rainfall=8.60" Area (sf) CN Description 2,208 61 >75% Grass cover, Good, HSG B 1,958 55 Woods, Good, HSG B 4,166 58 Weighted Average 4,166 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 4.3 50 0.0400 0.20 Sheet Flow, Grass: Short n= 0.150 P2= 3.22" 1.3 63 0.0140 0.83 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 5.5 113 Total Subcatchment P-1A: PROPOSED Hydrograph 0.39 cfs Runoff 0.4-_ Type III 24-hr 100YR 0.35 Rainfall=8.60" Runoff Area=4,166 sf 0.3 Runoff Volume=0.026 of 0.25 Runoff Depth>3.30" Flow Length=113' 0 0.2 Tc=5.5 min 0.15 C =58 0.1 0.05 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type /// 24-hr 100YR Rainfall=8.60" Prepared by{enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 95 Summary for Subcatchment P-1 1: proposed Runoff = 1.37 cfs @ 12.12 hrs, Volume= 0.100 af, Depth> 3.13" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 100YR Rainfall=8.60" Area (sf) CN Description 11,854 55 Woods, Good, HSG B 4,856 61 >75% Grass cover, Good HSG B 16,710 57 Weighted Average 16,710 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.5 50 0.1000 0.13 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 0.9 52 0.0400 1.00 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 0.8 83 0.1250 1.77 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 8.1 185 Total Subcatchment P-1 B1: proposed Hydrogad 1 .37 cfs Runoff Type III 4-hr 10Y Rainfall=8.60" Runoff rea=16,710 sf N 1 Runoff Volume=0.100 o Runoff epth>3.13" o Flow Length=1 5' c=8.1 min =57 0 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 1617 18 1920 Time (hours) SALEM ST6-7-17 Type 11124-hr 100YR Rainfall=8.60" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 96 Summary for Subcatchment -1132: proposed Runoff = 1.20 cfs @ 12.11 hrs, Volume= 0.086 af, Depth> 3.11" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 100YR Rainfall=8.60" Area (sf) CN Description 10,623 55 Woods, Good, HSG B 3,761 61 >75% Grass cover, Good HSG B 14,384 57 Weighted Average 14,384 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.5 71 0.1400 0.16 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" Subcatchment P-1 B2: proposed iycrl 1 .20 cfs Runoff Type III 24-hr 100YR Rainfall=8.60" 1 Runoff Area=14,384 sf Runoff Volume=0.086 of Runoff Depth>3.11 Flow Length=71' ° Slo a=0 1400 /° u. p Tc=7.5 min N=57 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type /// 24-hr 100YR Rainfall=8.60" Prepared by{enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 97 Summary for Subcatchment P-1C: DRIVELOT1 Runoff = 1.43 cfs @ 12.01 hrs, Volume= 0.084 af, Depth> 5.03" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 100YR Rainfall=8.60" Area (sf) CN Description 2,844 98 Paved parking, HSG B 5,870 61 >75% Grass cover, Good HSG B 8,714 73 Weighted Average 5,870 67.36% Pervious Area 2,844 32.64% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.4 50 0.3300 2.12 Sheet Flow, n= 0.022 P2= 3.22" Subcatchment P-1 C: DRIVELOT1 ydrrapl 1 .43 cfs g Runoff Type III24-hr 100Y Rainfall=8.60°° Runoff Area=8,714 sf 1 Runoff Volume=0.084 of x Runoff Depth>5.03 Flow Length=50' U- Slope=0.3300 Tc=0.4 min CN=73 0 . 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 1920 Time (hours) SALEM ST6-7-17 Type/1/ 24-hr 100YR Rainfall=8.60" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 98 Summary for Subcatchment P-2A: PROPOSED Runoff = 1.04 cfs @ 12.11 hrs, Volume= 0.073 af, Depth> 3.15" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 100YR Rainfall=8.60" Area (sf) CN Description 3,787 61 >75% Grass cover, Good, HSG B 8,375 55 Woods, Good, HSG B 12,162 57 Weighted Average 12,162 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.2 50 0.1090 0.13 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 0.8 80 0.1090 1.65 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 7.0 130 Total Subcatchment P-2A: PROPOSED Hydrograph 1 .04 CfsI Runoff 1 Type III 24-hr 100Y Rainfall=8.60" Runoff 4rea=12,162 sf Runoff Volume=0.073 of Runoff Depth>3.15' Flow Length=130' Slope=0.1090 /° Tc=7.0 m i n CN=57 0 411 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 1920 Time (hours) SALEM ST6-7-17 Type/1/ 24-hr 100YR Rainfall=8.60" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 99 Summary for Subcatchment P-2B: PROPOSED Runoff = 3.39 cfs @ 12.19 hrs, Volume= 0.287 af, Depth> 3.23" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 100YR Rainfall=8.60" Area (sf) CN Description 25,775 55 Woods, Good, HSG B 20,732 61 >75% Grass cover, Good HSG B 46,507 58 Weighted Average 46,507 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.9 50 0.0600 0.11 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 0.9 109 0.1800 2.12 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 2.6 134 0.0150 0.86 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 1.8 130 0.0300 1.21 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 13.2 423 Total Subcatchment P-2B: PROPOSED Hydro graph 3.39 Cfs Runoff Type III 4-hr 101' 3 Rainfall=8.60" Runoff Area=46,507 sf Runoff Iume=0. 87 of 2Runoff Depth>3. 3" o Flow Length=423' Tc=13.2 min 1 _ C =58 . ram o . 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 1920 Time (hours) SLEM ST6-7-17 Type 111 24-hr 100YR Rainfall=8.60" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 100 Summary for Subcatchment P-2C: (new Subcat) Runoff = 3.55 cfs @ 12.16 hrs, Volume= 0.284 af, Depth> 4.46" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 100YR Rainfall=8.60" Area (sf) CN Description 26,662 61 >75% Grass cover, Good, HSG B 6,633 98 Paved parking, HSG B 33,295 68 Weighted Average 26,662 80.08% Pervious Area 6,633 19.92% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) Oft) (ft/sec) (cfs) 7.4 50 0.0100 0.11 Sheet Flow, Grass: Short n= 0.150 P2= 3.22" 2.8 137 0.0140 0.83 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 1.4 210 0.1200 2.42 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 11.6 397 Total Subcatchment P-2C: (new Subcat) Hydrograph 3.55 cfs I Runoff Type III 24-hr 100Y 3 Rainfall=8.60" Runoff rea=33,295 sf NRunoff Volume=0.284 of 2 'Runoff epth>4.46" o Flow Length=397° Tc=11.6 min 1 CN=68 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type /// 24-hr 100YR Rainfall=8.60" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 101 Summary for Subcatchment P-3: PROPOSED Runoff = 0.47 cfs @ 12.12 hrs, Volume= 0.034 af, Depth> 2.93" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 100YR Rainfall=8.60" Area (sf) CN Description 6,115 55 Woods Good HSG B 6,115 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 50 0.1200 0.14 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 1.9 200 0.1200 1.73 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 7.9 250 Total Subcatchment P-3: PROPOSED Hdrrapl 0.47 cfs 0.5 Runoff Type III 24-hr 100YR 0.45 Rainfall=8.60" 0.4 Runoff Area=6,115 sf 0.35 Runoff Volume=0.034 of 0.3- Runoff Depth>2.93'° 3 0.25 Flow Length=250' �° Slope=0.1200 e� 0.2 r Tc=7.9 min 0.15 CN=55 0.1 0.05 ,E 0 . �. 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type Ill 24-hr 100YR Rainfall=8.60" Prepared by {enter your company name here} Printed 6/13/2017 HydroCADe 9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page�102_ Summary for Subcatchment P-4: prop nw Runoff = 3.25 cfs @ 12.16 hrs, Volume= 0.257 af, Depth> 3.13" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 100YR Rainfall=8.60" Area (sf) CN Description 12,424 61 >75% Grass cover, Good, HSG B 30,522 55 Woods Good HSG B 42,946 57 Weighted Average 42,946 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 7.2 50 0.0764 0.12 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 3.6 301 0.0764 1.38 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 10.8 351 Total Subcatchment P-4: prop nw Hydro graph 3.25 cfs Runoff Type III 24-hr 100Y 3 Rainfall=8.60" Runoff Area=42,946 sf Runoff Volume=0.257 of v 2_ Runoff Depth>3.13" Flow Length=351° Slope=0.0764 °/' Tc=10.8 min € C'N=57 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type 11124-hr 100YR Rainfall=8.60" Prepared by{enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 103 Summary for Subcatchment P-5: internal Runoff = 1.03 cfs @ 12.10 hrs, Volume= 0.071 af, Depth> 3.44" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 100YR Rainfall=8.60" Area (sf) CN Description 8,014 61 >75% Grass cover, Good, HSG B 2,753 55 Woods Good, HSG B 10,767 59 Weighted Average 10,767 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 6.0 50 0.1206 0.14 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 3.22" 0.6 66 0.1206 1.74 Shallow Concentrated Flow, Woodland Kv= 5.0 fps 6.6 116 Total Subcatchment P-5: internal Hydrograph 1 .03 cfs Runoff Type III 2 -hr 100Y Rainfall=8.60" Runoff Area=10,767 sf Runoff Volume=0.071 of Runoff Depth>3.4 Flow Length=116' Slope=0.1206 /' I Tc=6.6 min CN=59 0 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 1920 Time (hours) SALEM ST6-7-17 Type Ill 24-hr 100YR Rainfall=8.60" Prepared by {enter your company name here) Printed 6/13/2017 HydroCADO 9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 104 Summary for Subcatchment P3A: LOT3DIVE Runoff = 1.89 cfs @ 12.01 hrs, Volume= 0.115 af, Depth> 6.11" Runoff by SCS TR-20 method, UH=SCS, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Type III 24-hr 100YR Rainfall=8.60" Area (sf) CN Description 5,669 98 Paved parking, HSG B 4,189 61 >75% Grass cover, Good, HSG B 9,858 82 Weighted Average 4,189 42.49% Pervious Area 5,669 57.51% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.5 100 0.1500 3.09 Sheet Flow, Smooth surfaces n= 0.011 P2= 3.22" Subcatchment P3A: LOT313RIV ydro ra h _, � Runoff 2 1 .89 cfs Type III 24-hr 100YR Rainfall=8.60" Runoff Area=9,858 sf Runoff Volume=0.115 of Runoff Depth>6.11 1 . Flow Length=100° �° Slope=0.1500 Tc=0.5 min CN=82 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type 111 24-hr 100YR Rainfall=8.60" Prepared by{enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 105 Summary for Reach 8R: (new Reach) Inflow Area = 0.330 ac, 0.00% Impervious, Inflow Depth = 0.58" for 100YR event Inflow = 0.56 cfs @ 12.32 hrs, Volume= 0.016 of Outflow = 0.55 cfs @ 12.32 hrs, Volume= 0.016 af, Atten= 1%, Lag= 0.2 min Routing by Stor-Ind+Trans method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Max. Velocity= 5.37 fps, Min. Travel Time= 0.3 min Avg. Velocity= 2.67 fps, Avg. Travel Time= 0.6 min Peak Storage= 11 cf @ 12.32 hrs, Average Depth at Peak Storage= 0.13' Bank-Full Depth= 0.60', Capacity at Bank-Full= 13.88 cfs 2.50' x 0.60' deep Parabolic Channel, n= 0.022 Length= 100.0' Slope= 0.1700 '/' Inlet Invert= 119.00', Outlet Invert= 102.00' Reach 8R: (new Reach) Hydro graph EPA Inflow 0.6 Inflow re = . 0.55 cfs F1 Outflow 0.55 0.5 v ep�t =0.13' 0.45Maxel= .37 fps N o.4 =0. 2 0.35; L=1 .0 3 0.3 ( S=0.1700 V ,° 0.2511, 0.2 a acity=1 3.88 cfs 0.15 �a 0.1 0.05 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type /// 24-hr 100YR Rainfall=8.60" Prepared by{enter your company name here) Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 106 Summary for Reach 10 : CUVERT Inflow Area = 1.068 ac, 0.00% Impervious, Inflow Depth > 3.23" for 100YR event Inflow = 3.39 cfs @ 12.19 hrs, Volume= 0.287 of Outflow = 3.38 cfs @ 12.20 hrs, Volume= 0.287 af, Atten= 0%, Lag= 0.4 min Routing by Stor-Ind+Trans method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Max. Velocity= 4.76 fps, Min. Travel Time= 0.3 min Avg. Velocity = 1.68 fps, Avg. Travel Time= 0.7 min Peak Storage= 52 cf @ 12.20 hrs, Average Depth at Peak Storage= 0.24' Bank-Full Depth= 1.00', Capacity at Bank-Full= 21.32 cfs 36.0" W x 12.0" H Box Pipe n= 0.009 Length= 73.0' Slope= 0.0068 7' Inlet Invert= 117.50', Outlet Invert= 117.00' Reach 10R: CUVERT ydrorah Inflow Inflow Area=1.068 ac 3.38 0 Outflow Avg. Depth=0.24® 3 Max Vel=4.76 fps 36.0" x 12.0" 4 Sox Pipe 2 n=0.009 _o L=73.0' f S=0.0068 '/' 1 Capacity=21.32 cfs 0 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type/1/ 24-hr 100YR Rainfall=8.60" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 107 Summary for Pond 2P: prop se Inflow Area = 0.367 ac, 35.49% Impervious, Inflow Depth > 1.19" for 100YR event Inflow = 0.47 cfs @ 12.12 hrs, Volume= 0.036 of Primary = 0.47 cfs @ 12.12 hrs, Volume= 0.036 af, Atten= 0%, Lag= 0.0 min Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Pond 2P: prop se ydrrap 0 Inflow 0.47 cfs 0 Primary 0.5 Inflow Area=0.36 0.45= 0.4 ^ 0.35 0.3 0 0.25 U- 0.2= 0.15. .n 0.05 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2f0 Time (hours) SALEM ST6-7-17 Type /// 24-hr 100YR Rainfall=8.60" Prepared by{enter your company name here} Printed 6/13/2017 HydroCADO 9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 108 Summary for Pond 3P. CHAMBERS Inflow Area = 0.226 ac, 57.51% Impervious, Inflow Depth > 6.11" for 100YR event Inflow = 1.89 cfs @ 12.01 hrs, Volume= 0.115 of Outflow = 0.31 cfs @ 12.46 hrs, Volume= 0.103 af, Atten= 84%, Lag= 27.1 min Discarded = 0.15 cfs @ 12.45 hrs, Volume= 0.101 of Primary = 0.16 cfs @ 12.46 hrs, Volume= 0.002 of Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 104.02' @ 12.47 hrs Surf.Area= 0.037 ac Storage= 0.051 of Plug-Flow detention time= 149.1 min calculated for 0.103 of(89% of inflow) Center-of-Mass det. time= 114.4 min ( 874.1 - 759.7 ) Volume Invert Avail.Storage Storage Description #1A 100.00, 0.034 of 5.25'W x 114.92'L x 4.00'H Field A Z=1.0 0.102 of Overall - 0.017 of Embedded = 0.085 of x 40.0%Voids #2A 101.00, 0.017 of StormTech SC-740 x 16 Inside#1 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.12'L = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.561 with 0.44' Overlap 0.051 of Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 100.00' 4.000 in/hr Exfiltration over Surface area #2 Primary 104.00' 6.0" Horiz. Orifice/Grate X 10.00 C= 0.600 Limited to weir flow at low heads Discarded OutFlow Max=0.15 cfs @ 12.45 hrs HW=104.01' (Free Discharge) 't--1=Exfiltration (Exfiltration Controls 0.15 cfs) Primary OutFlow Max=0.08 cfs @ 12.46 hrs HW=104.01' (Free Discharge) 't-2=Orifice/Grate (Weir Controls 0.08 cfs @ 0.38 fps) SALEM ST6-7-17 Type/1/ 24-hr 100YR Rainfall=8.60" Prepared by{enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 109 Pond 3 : CHAMBERS - Chamber Wizard Field A Chamber Model= StormTech SC-740 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.12'L = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.56'L with 0.44' Overlap 51.0" Wide + 0.0" Spacing = 51.0" C-C 16 Chambers/Row x 7.12' Long = 113.92' + 6.0" End Stone x 2 = 114.92' Base Length 1 Rows x 51.0" Wide + 6.0" Side Stone x 2 = 5.25' Base Width 12.0" Base + 30.0" Chamber Height + 6.0" Cover= 4.00' Field Height 1.0 '/' Side-Z x Height =48.0" Flare/Side Base Length + Flare x 2 = 122.92' Top Length Base Width + Flare x 2 = 13.25' Top Length 16 Chambers x 45.9 cf= 735.0 cf Chamber Storage 4,421.4 cf Field -735.0 cf Chambers = 3,686.3 cf Stone x 40.0% Voids = 1,474.5 cf Stone Storage Stone + Chamber Storage = 2,209.6 cf= 0.051 of 16 Chambers 163.8 cy Field 136.5 cy Stone 17 t } l 4.1 1 t I' { SALEM ST6-7-17 Type 11124-hr 100YR Rainfall=8.60" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 110 Pond 3P: CHAMBERS Hydrograph L 1 .89 Cfs E731 Inflow �Inflow Area=0.226 ac outflow� Discarded 2 Peak Elev=104.02' E3 Primary Storage=0. 51 o v y u_ 0.31 Cfs 0.16 cfs 0 , 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type 111 24-hr 100YR Rainfall=8.60" Prepared by{enter your company name here) Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 111 Summary for Pond 9P: CHAMBERS Inflow Area = 0.200 ac, 32.64% Impervious, Inflow Depth > 5.03" for 100YR event Inflow = 1.43 cfs @ 12.01 hrs, Volume= 0.084 of Outflow = 0.67 cfs @ 12.25 hrs, Volume= 0.073 af, Atten= 53%, Lag= 14.8 min Discarded = 0.10 cfs @ 12.25 hrs, Volume= 0.065 of Primary = 0.57 cfs @ 12.25 hrs, Volume= 0.008 of Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 104.05' @ 12.25 hrs Surf.Area= 0.024 ac Storage= 0.032 of Plug-Flow detention time= 141.3 min calculated for 0.073 of(87% of inflow) Center-of-Mass det. time= 102.0 min ( 879.2 - 777.2 ) Volume Invert Avail.Storage Storage Description #1A 100.00, 0.022 of 5.25'W x 72.201 x 4.00'H Field A Z=1.0 0.065 of Overall - 0.011 of Embedded = 0.055 of x 40.0%Voids #2A 101.00, 0.011 of StormTech SC-740 x 10 Inside #1 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.12'L = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.56'L with 0.44' Overlap 0.032 of Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 100.00' 4.000 in/hr Exfiltration over Surface area #2 Primary 104.00' 6.0" Horiz. Orifice/Grate X 10.00 C= 0.600 Limited to weir flow at low heads Qiscarded OutFlow Max=0.10 cfs @ 12.25 hrs HW=104.05' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.10 cfs) Primary OutFlow Max=0.51 cfs @ 12.25 hrs HW=104.05' (Free Discharge) 't-2=Orifice/Grate (Weir Controls 0.51 cfs @ 0.70 fps) SALEM ST6-7-17 Type Ill 24-hr 100YR Rainfall=8.60" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 112 Pond 9P: CHAMBERS - Chamber Wizard Field A Chamber Model= StormTech SC-740 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.121 = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.56'L with 0.44' Overlap 51.0" Wide + 0.0" Spacing = 51.0" C-C 10 Chambers/Row x 7.12' Long = 71.20' + 6.0" End Stone x 2 = 72.20' Base Length 1 Rows x 51.0" Wide + 6.0" Side Stone x 2 = 5.25' Base Width 12.0" Base + 30.0" Chamber Height+ 6.0" Cover= 4.00' Field Height 1.0 T Side-Z x Height = 48.0" Flare/Side Base Length + Flare x 2 = 80.20' Top Length Base Width + Flare x 2 = 13.25' Top Length 10 Chambers x 45.9 cf= 459.4 cf Chamber Storage 2,840.7 cf Field -459.4 cf Chambers = 2,381.3 cf Stone x 40.0% Voids = 952.5 cf Stone Storage Stone + Chamber Storage = 1,411.9 cf= 0.032 of 10 Chambers 105.2 cy Field 88.2 cy Stone 7-1 SALEM ST6-7-17 Type 11124-hr 100YR Rainfall=8.60" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 113 Pond 9P: CHAMBERS Hydrograph 1 ,43 Cfs Inflow Outflow Inflow Area=0.200acEl Discarded Peak Elev=104.05' El Primary Storage=0.032 of 0.67 Cfs 0 0 .57 Cfs U. 0. cfs �� o „ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1617181920 Time (hours) SALEM ST6-7-17 Type 111 24-hr 100YR Rainfall=8.60" Prepared by{enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 114 Summary for Pond EFIL: CHAMBERS Inflow Area = 0.764 ac, 19.92% Impervious, Inflow Depth > 4.46" for 100YR event Inflow = 3.55 cfs @ 12.16 hrs, Volume= 0.284 of Outflow = 2.80 cfs @ 12.40 hrs, Volume= 0.236 af, Atten= 21%, Lag= 14.3 min Discarded = 0.28 cfs @ 12.40 hrs, Volume= 0.191 of Primary = 2.51 cfs @ 12.40 hrs, Volume= 0.045 of Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 104.38' @ 12.40 hrs Surf.Area= 3,045 sf Storage= 4,450 cf Plug-Flow detention time= 135.8 min calculated for 0.236 of(83% of inflow) Center-of-Mass det. time= 88.8 min ( 882.8 -794.0 ) Volume Invert Avail.Storage Storage Description #1A 100.00, 4,003 cf 6.25'W x 194.24'L x 5.00'H Field A Z=1.0 11,249 cf Overall - 1,240 cf Embedded = 10,009 cf x 40.0% Voids #2A 101.00, 1,240 cf StormTech SC-740 x 27 Inside#1 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.12'L = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.56'L with 0.44' Overlap 5,244 cf Total Available Storage Storage Group A created with Chamber Wizard Device Routing Invert Outlet Devices #1 Discarded 100.00' 4.000 in/hr Exfiltration over Surface area #2 Primary 104.33' 6.0" Horiz. Orifice/Grate X 44.00 C= 0.600 Limited to weir flow at low heads Discarded OutFlow Max=0.28 cfs @ 12.40 hrs HW=104.38' (Free Discharge) 't--1=Exfiltration (Exfiltration Controls 0.28 cfs) Primary OutFlow Max=2.21 cfs @ 12.40 hrs HW=104.38' (Free Discharge) 't-2=Orifice/Grate (Weir Controls 2.21 cfs @ 0.70 fps) S LEM ST6-7-17 Type /// 24-hr 100YR Rainfall=8.60" Prepared by{enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 115 Pond EXFIL: CHAMBERS - Chamber Wizard Field A Chamber Model= StormTech SC-740 Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7.12'L = 45.9 cf Overall Size= 51.0"W x 30.0"H x 7.56'L with 0.44' Overlap 51.0" Wide + 0.0" Spacing = 51.0" C-C 27 Chambers/Row x 7.12' Long = 192.24' + 12.0" End Stone x 2 = 194.24' Base Length 1 Rows x 51.0" Wide + 12.0" Side Stone x 2 = 6.25' Base Width 12.0" Base + 30.0" Chamber Height+ 18.0" Cover= 5.00' Field Height 1.0 '/' Side-Z x Height = 60.0" Flare/Side Base Length + Flare x 2 = 204.24' Top Length Base Width + Flare x 2 = 16.25' Top Length 27 Chambers x 45.9 cf= 1,240.4 cf Chamber Storage 11,248.9 cf Field - 1,240.4 cf Chambers = 10,008.5 cf Stone x 40.0% Voids = 4,003.4 cf Stone Storage Stone + Chamber Storage = 5,243.8 cf= 0.120 of 27 Chambers 416.6 cy Field 370.7 cy Stone 171 G '4' L. Q SALEM ST6-7-17 Type 11124-hr 100YR Rainfall=8.60" Prepared by {enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 116 Pond E FIL: CHAMBERS Idrraph 11 3.555 Cfs El Inflow _.4.._. -._ Outflow Inflow rea= .764'ac � El Discarded Peak Elev=104.36' 2.80 CfS El Primary Storage ,4�5 3 2.51 cfs AN o 0. Cfs 0- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type l/l 24-hr 100YR Rainfall=8.60" Prepared by{enter your company name here} Printed 6/13/2017 HydroCAD09.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 117 Summary for Pond OUTFLOW: prop ne Inflow Area = 2.111 ac, 7.21% Impervious, Inflow Depth > 2.30" for 100YR event Inflow = 5.13 cfs @ 12.40 hrs, Volume= 0.405 of Primary = 5.13 cfs @ 12.40 hrs, Volume= 0.405 af, Atten= 0%, Lag= 0.0 min Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Pond OUTFLOW: prop ne Hydrograph I EIM Inflow Inflow Area=2.111 5.13 CfS -�-J Primary 5 w 4 n - 3 o U. 2 f8707-M TIN FIRM t.. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours) SALEM ST6-7-17 Type/1/ 24-hr 100YR Rainfall=8.60" Prepared by{enter your company name here) Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 118 Summary for Pond POND: dpond Inflow Area = 0.330 ac, 0.00% Impervious, Inflow Depth > 3.11" for 100YR event Inflow = 1.20 cfs @ 12.11 hrs, Volume= 0.086 of Outflow = 0.67 cfs @ 12.32 hrs, Volume= 0.085 af, Atten= 44%, Lag= 12.3 min Discarded = 0.11 cfs @ 12.32 hrs, Volume= 0.069 of Primary = 0.56 cfs @ 12.32 hrs, Volume= 0.016 of Routing by Stor-Ind method, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 119.58' @ 12.32 hrs Surf.Area= 1,197 sf Storage= 1,054 cf Plug-Flow detention time= 83.9 min calculated for 0.085 of(99% of inflow) Center-of-Mass det. time= 81.7 min ( 892.0 - 810.3 ) Volume Invert Avail.Storage Storage Description #1 118.50' 1,593 cf Custom Stage Data (Prismatic)Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 118.50 764 0 0 119.00 953 429 429 120.00 1,374 1,164 1,593 Device Routing Invert Outlet Devices #1 Discarded 118.50' 4.000 in/hr Exfiltration over Surface area #2 Primary 119.50' 10.0' long x 3.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1 M 1.80 2.00 2.50 3.00 3.50 4.00 4.50 Coef. (English) 2.44 2.58 2.68 2.67 2.65 2.64 2.64 2.68 2.68 2.72 2.81 2.92 2.97 3.07 3.32 Discarded OutFlow Max=0.11 cfs @ 12.32 hrs HW=119.58' (Free Discharge) 't-1=Exfiltration (Exfiltration Controls 0.11 cfs) Primary OutFlow Max=0.52 cfs @ 12.32 hrs HW=119.58' (Free Discharge) 't-2=B road-C rested Rectangular Weir(Weir Controls 0.52 cfs @ 0.68 fps) SALEM ST6-7-17 Type 111 24-hr 100YR Rainfall=8.60" Prepared by{enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 119 Pond POND: dpond Hydrograph 1 .20 cfs Inflow Inflow Area=0.330 ac Outflow 73 Discarded Peak Elev=119.58' El Primary Storage=1,054 cf 0.67 cfs v 1- 0.56 cfs U. 0. 0 " 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1617181920 Time (hours) SALEM ST6-7-17 Type 111 24-hr 100YR Rainfall=8.60" Prepared by{enter your company name here} Printed 6/13/2017 HydroCAD®9.00 s/n 01057 ©2009 HydroCAD Software Solutions LLC Page 120 Summary for Link 7L: prop salem st Inflow Area = 1.010 ac, 6.47% Impervious, Inflow Depth > 1.79" for 100YR event Inflow = 1.89 cfs @ 12.26 hrs, Volume= 0.150 of Primary = 1.89 cfs @ 12.26 hrs, Volume= 0.150 af, Atten= 0%, Lag= 0.0 min Primary outflow= Inflow, Time Span= 1.00-20.00 hrs, dt= 0.05 hrs Link 7L: prop salem st Hy r grap i E! Inflow 2_. 1 .89 CfS Primary InflowArea=1.010 v OW 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (hours)