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HomeMy WebLinkAbout[09] Preliminary Hydrologic Calculations for PondingZ ,�s f F` . tn. �► E 6S _ x CCER 41-DS 3 r E w TENNISCaf3 ,d Subcat Reach On LIIIiC Routing Diagram for College of St. Benedict Prepared by Microsoft, Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC College of St. Benedict Prepared by Microsoft Printed 7/11/2011 HvdroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Pape 2 Area Listing (all nodes) Area CN Description (acres) (subcatchment- numbers) 21.093 39 >75% Grass cover, Good, HSG A (4S, 5S, 6S, 10S, 13S, 14S) 9.000 77 1/8 acre lots, 65% imp, HSG A (9S) 8.965 98 Paved parking, HSG A (4S, 5S, 7S, 8S) 0.713 98 Roofs, HSG A (4S) 0.342 98 Unconnected roofs, HSG A (5S) 1.101 98 Water Surface, HSG A (11 S, 12S) 41.215 63 TOTAL AREA College of St. Benedict Prepared by Microsoft Printed 7/11/2011 HydroCADO 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Paaee_3 Soil Listing (all nodes) Area Soil Subcatchment (acres) Group Numbers 41.215 HSG A 4S, 5S, 6S, 7S, 8S, 9S, 10S, 11 S, 12S, 13S, 14S 0.000 HSG B 0.000 HSG C 0.000 HSG D 0.000 Other 41.215 TOTAL AREA College of St. Benedict Prepared by Microsoft Printed 7/11/2011 HydroCADO 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Paae 4 Ground Covers (all nodes) HSG -A HSG -B HSG -C HSG -D Other Total Ground Subcatchment (acres) (acres) (acres) (acres) (acres) (acres) Cover Numbers 21.093 0.000 0.000 0.000 8.965 0.000 0.000 0.000 0.713 0.000 0.000 0.000 0.342 0.000 0.000 0.000 9.000 0.000 0.000 0.000 1.101 0.000 0.000 0.000 41.215 0.000 0.000 0.000 0.000 21.093 >75% Grass cover, Good 4S, 5S, 6S, 10S, 13S, 14S 0.000 8.965 Paved parking 4S, 5S, 7S, 8S 0.000 0.713 Roofs 4S 0.000 0.342 Unconnected roofs 5S 0.000 9.000 1/8 acre lots, 65% imp 9S 0.000 1.101 Water Surface 11S, 12S 0.000 41.215 TOTAL AREA College of St. Benedict Prepared by Microsoft Printed 7/11/2011 HydroCADO 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Paae 5 Pipe Listing (all nodes) Line# Node In -Invert Out -Invert Length Slope n DiamMidth Height Inside -Fill Number (feet) (feet) (feet) (ft/ft) (inches) (inches) (inches) 1 1 P 1,085.00 1,085.00 46.0 0.0000 0.013 24.0 0.0 0.0 2 213 1,085.00 1,082.00 732.0 0.0041 0.013 24.0 0.0 0.0 College of St. Benedict Type 11 24 -hr 0.3 Year -Water Quality Rainfall= 1.25" Prepared by Microsoft Printed 7/1112011 HydroCADO 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Page 6 Time span =0.01 -72.00 hrs, dt =0.01 hrs, 7200 points Runoff by SCS TR -20 method, UH =SCS Reach routing by Sim -Route method - Pond routing by Sim -Route method Subcatchment4S: STUDENTHOUSING RunoffArea= 261.451 sf 66.68% Impervious RunoffDepth= 0.13" Tc =10.0 min CN =78 Runoff =0.76 cfs 0.067 of Subcatchment5S: WELCOME CENTER Runoff Area =3.138 ac 45.83% Impervious Runoff Depth = 0.01 " Tc =15.0 min CN =66 Runoff--0.00 cfs 0.002 of Subcatchment6S: SOCCER FIELDS Runoff Area = 197.600 sf 0.00% Impervious Runoff Depth = 0.00" Flow Length =200' Slope= 0.0150 T Tc =30.1 min CN =39 Runoff--0.00 cfs 0.000 of Subcatchment7S: TENNIS CTS Runoff Area = 58.248 sf 100.00% Impervious Runoff Depth =1.03" Tc =10.0 min CN =98 Runoff--11.97 cfs 0.115 of Subcatchment8S: PARKING LOT Runoff Area = 141.249 sf 100.00% Impervious Runoff Depth= 1.03" Tc =10.0 min CN =98 Runoff--4.78 cfs 0.280 of Subcatchment9S: SR. HOUSING Runoff Area =9.000 ac 65.00% Impervious Runoff Depth = 0.12" Tc =20.0 min CN =77 Runoff--0.55 cfs 0.088 of Subcatchment10S: SOFTBALLFIELD Runoff Area = 124.838 sf 0.00% Impervious Runoff Depth =0.00" Tc =20.0 min CN =39 Runoff -0.00 cfs 0.000 of Subcatchment11 S: AREAOF & AROUND Runoff Area = 22.121 sf 100.00% Impervious Runoff Depth =1.03" Tc =1.0 min CN =98 Runoff=1.00 cfs 0.044 of Subcatchment12S: AREA OF & AROUND Runoff Area = 25.853 sf 100.00% Impervious Runoff Depth =1.03" Tc =0.0 min CN =98 Runoff=1.19 cfs 0.051 of Subcatchment13S: AREA OF & AROUND Runoff Area= 173,857 sf 0.00% Impervious Runoff Depth =0.00" Tc =1.0 min CN =39 Runoff =0.00 cfs 0.000 of Subcatchment14S: Residual Area Runoff Area =6.000 ac 0.00% Impervious Runoff Depth = 0.00" Tc =10.0 min CN =39 Runoff--0.00 cfs 0.000 of Pond 1P: BASIN 1 Peak EIev= 1,085.18' Storage = 62.112 cf Inflow =1.15 cfs 0.201 of 24.0" Round Culvert x 3.00 n =0.013 L =46.0' S= 0.0000 'P Outflow =0.16 cfs 0.183 of Pond 2P: (new Pond) Peak EIev= 1,081.68' Storage = 10.198 cf Inflow =1.20 cfs 0.234 of 24.0" Round Culvert n =0.013 L= 732.0' S= 0.0041 7' Outflow =0.00 cfs 0.000 of Pond 3P: BASIN 3 (INFILTRATION) Peak EIev= 1,082.06' Storage =6,249 cf Inflow--6.76 cfs 0.395 of Outflow =0.69 cfs 0.755 of Total Runoff Area= 41.215 ac Runoff Volume= 0.647 of Average Runoff Depth= 0.19" 58.82% Pervious = 24.243 ac 41.18% Impervious = 16.971 ac College of St. Benedict Type l/ 24 -hr 0.3 Year -Water Quality Rainfall= 1. 25" Prepared by Microsoft Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Page 7 Summary for Subcatchment 4S: STUDENT HOUSING Runoff = 0.76 cfs @ 12.06 hrs, Volume= 0.067 af, Depth= 0.13" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type If 24 -hr 0.3 Year -Water Quality Rainfall= 1.25" Area (sf) CN Description 6,823 98 Roofs, HSG A 6,823 98 Roofs, HSG A 6,823 98 Roofs, HSG A 6,823 98 Roofs, HSG A 3,768 98 Roofs, HSG A 143,271 98 Paved parking, HSG A 87,120 39 >75% Grass cover, Good, HSG A 261,451 78 Weighted Average 87,120 33.32% Pervious Area 174,331 66.68% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.0 Direct Entry, Summary for Subcatchment 5S: WELCOME CENTER Runoff = 0.00 cfs @ 24.02 hrs, Volume= 0.002 af, Depth= 0.01" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 0.3 Year -Water Quality Rainfall= 1.25" Area (ac) CN Description 0.342 98 Unconnected roofs, HSG A 1.096 98 Paved parking, HSG A 1.700 39 >75% Grass cover, Good, HSG A 3.138 66 Weighted Average 1.700 54.17% Pervious Area 1.438 45.83% Impervious Area 0.342 23.78% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 15.0 Direct Entry, Summary for Subcatchment 6S: SOCCER FIELDS Runoff = 0.00 cfs @ 0.01 hrs, Volume= 0.000 af, Depth= 0.00" Runoff by SCS TR -20 method, UH =SCS, Time Span = 0.01 -72.00 hrs, dt= 0.01 hrs Type 11 24 -hr 0.3 Year -Water Quality Rainfall= 1.25" College of St. Benedict Type 11 24 -hr 0.3 Year -Water Quality Rainfall= 1.25" Prepared by Microsoft Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Paae 8 Area (sf) CN Description 197,600 39 >75% Grass cover, Good, HSG A 197,600 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 30.1 200 0.0150 0.11 Sheet Flow, Soccer Fields Grass: Dense n= 0.240 P2= 2.75" Summary for Subcatchment 7S: TENNIS CTS Runoff = 1.97 cfs @ 12.01 hrs, Volume= 0.115 af, Depth= 1.03" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 0.3 Year -Water Quality Rainfall= 1.25" Area (sf) CN Description 58,248 98 Paved parking, HSG A 58,248 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) ( ft/sec) (cfs) 10.0 Direct Entry, Summary for Subcatchment 8S: PARKING LOT Runoff = 4.78 cfs @ 12.01 hrs, Volume= 0.280 af, Depth= 1.03" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 0.3 Year -Water Quality Rainfall= 1.25" Area (sf) CN Description 141,249 98 Paved parking, HSG A 141,249 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) ( ft/sec) (cfs) 10.0 Direct Entry, Summary for Subcatchment 9S: SR. HOUSING Runoff = 0.55 cfs @ 12.20 hrs, Volume= 0.088 af, Depth= 0.12" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type 11 24 -hr 0.3 Year -Water Quality Rainfall= 1.25" College of St. Benedict Type 1124 -hr 0.3 Year -Water Quality Rainfall= 1. 25" Prepared by Microsoft Printed 7/11/2011 HydroCADO 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Page 9 Area (ac) CN Description 9.000 77 1/8 acre lots, 65% imp, HSG A 3.150 35.00% Pervious Area 5.850 65.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 10S: SOFTBALL FIELD Runoff = 0.00 cfs @ 0.01 hrs, Volume= 0.000 af, Depth= 0.00" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 0.3 Year -Water Quality Rainfall= 1.25" Area (sf) CN Description 124,838 39 >75% Grass cover, Good, HSG A 124,838 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) ( ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment IIS: AREA OF & AROUND BASIN 1 Runoff = 1.00 cfs @ 11.91 hrs, Volume= 0.044 af, Depth= 1.03" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 0.3 Year -Water Quality Rainfall= 1.25" Area (sf) CN Description 22,121 98 Water Surface, HSG A 22,121 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.0 Direct Entry, Summary for Subcatchment 12S: AREA OF & AROUND BASIN 2 Runoff = 1.19 cfs @ 11.90 hrs, Volume= 0.051 af, Depth= 1.03" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type 11 24 -hr 0.3 Year -Water Quality Rainfall = 1.25" College of St. Benedict Type 11 24 -hr 0.3 Year -Water Quality Rainfall =1.25" Prepared by Microsoft Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Paae 10 Area (sf) CN Description 25,853 98 Water Surface, HSG A 25,853 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.0 Direct Entry, Summary for Subcatchment 13S: AREA OF & AROUND BASIN 3 Runoff = 0.00 cfs @ 0.01 hrs, Volume= 0.000 af, Depth= 0.00" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type 1124 -hr 0.3 Year -Water Quality Rainfall = 1.25" Area (sf) CN Description 173,857 39 >75% Grass cover, Good, HSG A 173,857 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.0 Direct Entry, Summary for Subcatchment 14S: Residual Area Runoff = 0.00 cfs @ 0.01 hrs, Volume= 0.000 af, Depth= 0.00" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 0.3 Year -Water Quality Rainfall= 1.25" Area (ac) CN Description 6.000 39 >75% Grass cover, Good HSG A 6.000 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.0 Direct Entry, Summary for Pond 1 P: BASIN 1 Inflow Area = 24.648 ac, 47.87% Impervious, Inflow Depth = 0.10" for 0.3 Year -Water Quality event Inflow = 1.15 cfs @ 12.08 hrs, Volume= 0.201 of Outflow = 0.16 cfs @ 15.53 hrs, Volume= 0.183 af, Atten= 86 %, Lag= 206.7 min Primary = 0.16 cfs @ 15.53 hrs, Volume= 0.183 of Routing by Sim -Route method, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Starting Elev= 1,085.00' Surf.Area= 22,121 sf Storage= 58,163 cf Peak Elev= 1,085.18'@ 15.53 hrs Surf.Area= 22,768 sf Storage= 62,112 cf (3,949 cf above start) Plug -Flow detention time= (not calculated: initial storage excedes outflow) College of St. Benedict Type 11 24 -hr 0.3 Year -Water Quality Rainfall= 1. 25" Prepared by Microsoft Printed 7/11/2011 HydroCADO 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Page 11 Center -of -Mass det. time= 480.4 min ( 1,392.2 - 911.8 ) Volume Invert Avail.Storage Storage Description #1 1,081.00' 512,670 cf Custom Stage Data (irregular )Listed below (Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq -ft) (feet) (cubic -feet) (cubic -feet) (sq -ft) 1,081.00 10,909 474.0 0 0 10,909 1,082.00 12,385 495.0 11,639 11,639 12,599 1,083.00 13,897 514.0 13,134 24,773 14,206 1,084.00 15,487 533.0 14,685 39,458 15,873 1,085.00 22,121 627.0 18,706 58,163 24,570 1,086.00 25,923 673.0 23,997 82,160 29,373 1,087.00 29,936 711.0 27,905 110,066 33,615 1,088.00 34,189 749.0 32,039 142,105 38,090 1,098.00 40,000 800.0 370,565 512,670 48,065 Device Routing Invert Outlet Devices #1 Primary 1,085.00' 24.0" Round Culvert X 3.00 L= 46.0' RCP, mitered to conform to fill, Ke= 0.700 Inlet / Outlet Invert= 1,085.00'/ 1,085.00' S= 0.0000T Cc= 0.900 n=0.013, Flow Area= 3.14 sf Primary OutFlow Max =0.16 cfs @ 15.53 hrs HW= 1,085.18' TW= 1,081.23' (Dynamic Tailwater) t-1= Culvert (Barrel Controls 0.16 cfs @ 0.60 fps) Summary for Pond 2P: (new Pond) Inflow Area = 25.241 ac, 49.09% Impervious, Inflow Depth > 0.11" for 0.3 Year -Water Quality event Inflow = 1.20 cfs @ 11.90 hrs, Volume= 0.234 of Outflow = 0.00 cfs @ 0.01 hrs, Volume= 0.000 af, Atten= 100 %, Lag= 0.0 min Primary = 0.00 cfs @ 0.01 hrs, Volume= 0.000 of Routing by Sim -Route method, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Peak Elev= 1,081.68'@ 72.00 hrs Surf.Area= 15,457 sf Storage= 10,198 cf Plug -Flow detention time= (not calculated: initial storage excedes outflow) Center -of -Mass det. time= (not calculated: no outflow) Volume Invert Avail.Storage Storage Description #1 1,081.00' 198,032 cf Custom Stage Data (Irregular )Listed below (Recalc) College of St. Benedict Invert Avail.Storage Type 11 24 -hr 0.3 Year -Water Quality Rainfall= 1. 25" Prepared by Microsoft #1 Printed 7/1112011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Page 12 below (Recalc) Elevation Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq -ft) (feet) (cubic -feet) (cubic -feet) (sq -ft) 1,081.00 14,421 504.0 0 0 14,421 1,082.00 15,950 523.0 15,179 15,179 16,056 1,083.00 17,544 543.0 16,741 31,920 17,835 1,084.00 19,263 565.0 18,397 50,317 19,852 1,085.00 25,853 645.0 22,477 72,794 27,579 1,086.00 28,691 678.0 27,260 100,054 31,116 1,087.00 31,567 704.0 30,118 130,171 34,057 1,088.00 34,589 733.0 33,066 163,238 37,451 1,089.00 35,000 750.0 34,794 198,032 39,589 Device Routing Invert Outlet Devices 889,779 #1 Primary 1,085.00' 24.0" Round Culvert 2,178.0 166,015 1,055,794 L= 732.0' RCP, mitered to conform to fill, Ke= 0.700 Inlet/ Outlet Invert= 1,085.00'/ 1,082.00' S= 0.0041 '/' Cc= 0.900 n=0.013, Flow Area= 3.14 sf Primary OutFlow Max =0.00 cis @ 0.01 hrs HW= 1,081.00' TW= 1,082.00' (Dynamic Tailwater) t-1 = Culvert ( Controls 0.00 cfs) , Summary for Pond 3P: BASIN 3 (INFILTRATION) Inflow Area = 41.215 ac, 41.18% Impervious, Inflow Depth = 0.11" for 0.3 Year -Water Quality event Inflow = 6.76 cfs @ 12.01 hrs, Volume= 0.395 of Outflow = 0.69 cfs @ 12.50 hrs, Volume= 0.755 af, Atten= 90 %, Lag= 29.4 min Discarded = 0.69 cfs @ 12.50 hrs, Volume= 0.755 of Routing by Sim -Route method, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Peak Elev= 1,082.06'@ 12.50 hrs Surf.Area= 98,937 sf Storage= 6,249 cf Plug -Flow detention time= (not calculated: outflow precedes inflow) Center -of -Mass det. time= 44.4 min ( 825.5 - 781.1 ) Volume Invert Avail.Storage Storage Description #1 1,082.00' 1,055,794 cf Custom Stage Data (Irregular)Listed below (Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq -ft.) (feet) (cubic -feet) (cubic -feet) Oq -ft) 1,082.00 98,479 1,596.0 0 0 98,479 1,083.00 105,833 1,633.0 102,134 102,134 108,122 1,084.00 113,933 1,678.0 109,858 211,992 120,094 1,085.00 122,300 1,724.0 118,092 330,084 132,663 1,086.00 130,893 1,770.0 126,572 456,656 145,572 1,087.00 139,759 1,818.0 135,302 591,958 159,394 1,088.00 148,843 1,867.0 144,277 736,235 173,880 1,089.00 158,294 1,945.0 153,544 889,779 197,618 1,090.00 173,857 2,178.0 166,015 1,055,794 274,093 Device Routing Invert Outlet Devices #1 Discarded 1,082.00' 0.300 in /hr Exfiltration over Wetted area College of St. Benedict Type 11 24 -hr 0.3 Year -Water Quality Rainfall= 1. 25" Prepared by Microsoft Printed 7/11/2011 HydroCADO 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Page 13 Discarded OutFlow Max =0.69 cfs @ 12.50 hrs HW= 1,082.06' (Free Discharge) L1= 11EAltration (Exfiltration Controls 0.69 cfs) College of St. Benedict Type 11 24 -hr 2 Year Rainfall =2.50" Prepared by Microsoft Printed 7/11/2011 HydroCADO 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Paoe 14 Time span =0.01 -72.00 hrs, dt =0.01 hrs, 7200 points Runoff by SCS TR -20 method, UH =SCS Reach routing by Sim -Route method - Pond routing by Sim -Route method Subcatchment4S: STUDENTHOUSING RunoffArea= 261.451 sf 66.68% Impervious Runoff Depth= 0.79" Tc =10.0 min CN =78 Runoff =7.11 cfs 0.394 of Subcatchment5S: WELCOME CENTER Runoff Area =3.138 ac 45.83% Impervious Runoff Depth = 0.33" Tc =15.0 min CN =66 Runoff--0.88 cfs 0.085 of Subcatchment6S: SOCCER FIELDS Runoff Area = 197.600 sf 0.00% Impervious Runoff Depth = 0.00" Flow Length =200' Slope= 0.0150 7' Tc =30.1 min CN =39 Runoff--0.00 cfs 0.000 of Subcatchment7S: TENNIS CTS Runoff Area = 58.248 sf 100.00% Impervious Runoff Depth =2.27" Tc =10.0 min CN =98 Runoff=4.13 cfs 0.253 of Subcatchment8S: PARKING LOT Runoff Area= 141,249 sf 100.00% Impervious Runoff Depth = 2.27" Tc =10.0 min CN =98 Runoff =10.02 cfs 0.614 of Subcatchment9S: SR. HOUSING Runoff Area =9.000 ac 65.00% Impervious Runoff Depth = 0.74" Tc =20.0 min CN =77 Runoff--6.89 cfs 0.555 of Subcatchment10S: SOFTBALLFIELD Runoff Area = 124.838 sf 0.00% Impervious Runoff Depth =0.00" Tc =20.0 min CN =39 Runoff -0.00 cfs 0.000 of Subcatchment11 S: AREA OF & AROUND Runoff Area = 22.121 sf 100.00% Impervious Runoff Depth= 2.27" Tc =1.0 min CN =98 Runoff =2.08 cfs 0.096 of Subcatchment12S: AREA OF & AROUND Runoff Area = 25.853 sf 100.00% Impervious Runoff Depth= 2.27" Tc =0.0 min CN =98 Runoff=2.48 cfs 0.112 of Subcatchment13S: AREA OF & AROUND Runoff Area= 173,857 sf 0.00% Impervious Runoff Depth= 0.00" Tc =1.0 min CN =39 Runoff =0.00 cfs 0.000 of Subcatchment14S: Residual Area Runoff Area--6.000 ac 0.00% Impervious Runoff Depth =0.00" Tc =10.0 min CN =39 Runoff--0.00 cfs 0.000 of Pond 1P: BASIN 1 Peak EIev= 1,085.71' Storage = 74.840 cf Inflow--1 3.28 cfs 1.131 of 24.0" Round Culvert x 3.00 n =0.013 L =46.0' S= 0.0000 7' Outflow =4.09 cfs 1.112 of Pond 2P: (new Pond) Peak EIev= 1,084.15' Storage =53,325 cf Inflow =4.24 cfs 1.224 of 24.0" Round Culvert n =0.013 L= 732.0' S= 0.0041 T Outflow =0.00 cfs 0.000 of Pond 3P: BASIN 3 (INFILTRATION) Peak EIev= 1,082.17' Storage= 16.793 cf Inflow =14.16 cfs 0.867 of Outflow =0.70 cfs 1.032 of Total Runoff Area= 41.215 ac Runoff Volume= 2.110 of Average Runoff Depth= 0.61" 58.82% Pervious = 24.243 ac 41.18% Impervious = 16.971 ac College of St. Benedict Type 11 24 -hr 2 Year Rainfall= 2.50" Prepared by Microsoft Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Paoe 15 Summary for Subcatchment 4S: STUDENT HOUSING Runoff = 7.11 cfs @ 12.03 hrs, Volume= 0.394 af, Depth= 0.79" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 2 Year Rainfall= 2.50" Area (sf) CN Description 6,823 98 Roofs, HSG A 6,823 98 Roofs, HSG A 6,823 98 Roofs, HSG A 6,823 98 Roofs, HSG A 3,768 98 Roofs, HSG A 143,271 98 Paved parking, HSG A 87,120 39 >75% Grass cover, Good, HSG A 261,451 78 Weighted Average 87,120 33.32% Pervious Area 174,331 66.68% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.0 Direct Entry, Summary for Subcatchment 5S: WELCOME CENTER Runoff = 0.88 cfs @ 12.11 hrs, Volume= 0.085 af, Depth= 0.33" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 2 Year Rainfall= 2.50" Area (ac) CN Description 0.342 98 Unconnected roofs, HSG A 1.096 98 Paved parking, HSG A 1.700 39 >75% Grass cover, Good HSG A 3.138 66 Weighted Average 1.700 54.17% Pervious Area 1.438 45.83% Impervious Area 0.342 23.78% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) ( ft/ft) (ft/sec) (cfs) 15.0 Direct Entry, Summary for Subcatchment 6S: SOCCER FIELDS Runoff = 0.00 cfs @ 0.01 hrs, Volume= 0.000 af, Depth= 0.00" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72:00 hrs, dt= 0.01 hrs Type 11 24 -hr 2 Year Rainfall = 2.50" College of St. Benedict Type 11 24 -hr 2 Year Rainfal1=2.50" Prepared by Microsoft Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Pape 16 Area (sf) CN Description 197,600 39 >75% Grass cover, Good, HSG A 197,600 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) ( ft/sec) (cfs) 30.1 200 0.0150 0.11 Sheet Flow, Soccer Fields Grass: Dense n= 0.240 P2= 2.75" Summary for Subcatchment 7S: TENNIS CTS Runoff = 4.13 cfs @ 12.01 hrs, Volume= 0.253 af, Depth= 2.27' Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 2 Year Rainfall= 2.50" Area (sf) CN Description 58,248 98 Paved parking, HSG A 58,248 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.0 Direct Entry, Summary for Subcatchment 8S: PARKING LOT Runoff = 10.02 cfs @ 12.01 hrs, Volume= 0.614 af, Depth= 2.27' Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 2 Year Rainfall= 2.50" Area (sf) CN Description 141,249 98 Paved parking, HSG A 141,249 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.0 Direct Entry, Summary for Subcatchment 9S: SR. HOUSING Runoff = 6.89 cfs @ 12.15 hrs, Volume= 0.555 af, Depth= 0.74" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type If 24 -hr 2 Year Rainfall= 2.50" College of St. Benedict Type /I 24 -hr 2 Year Rainfall =2.50" Prepared by Microsoft Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Paae 17 Area (ac) CN Description 9.000 77 1/8 acre lots, 65% imp, HSG A 3.150 35.00% Pervious Area 5.850 65.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 10S: SOFTBALL FIELD Runoff = 0.00 cfs @ 0.01 hrs, Volume= 0.000 af, Depth= 0.00" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 2 Year Rainfall= 2.50" Area (sf) CN Description 124,838 39 >75% Grass cover, Good, HSG A 124,838 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 11S: AREA OF & AROUND BASIN 1 Runoff = 2.08 cfs @ 11.91 hrs, Volume= 0.096 af, Depth= 2.27" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 2 Year Rainfall =2.50" Area (sf) CN Description 22,121 98 Water Surface, HSG A 22,121 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) {feet) ( ft/ft) (ft/sec) (cfs) 1.0 Direct Entry, Summary for Subcatchment 12S: AREA OF & AROUND BASIN 2 Runoff = 2.48 cfs @ 11.90 hrs, Volume= 0.112 af, Depth= 2.27" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type 11 24 -hr 2 Year Rainfall= 2.50" College of St. Benedict Type 11 24 -hr 2 Year Rainfall =2.50" Prepared by Microsoft Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Page 18 Area (sf) CN Description 25,853 98 Water Surface, HSG A 25,853 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.0 Direct Entry, Summary for Subcatchment 13S: AREA OF & AROUND BASIN 3 Runoff = 0.00 cfs @ 0.01 hrs, Volume= 0.000 af, Depth= 0.00" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 2 Year Rainfall= 2.50" Area (sf) CN Description 173,857 39 >75% Grass cover, Good, HSG A 173,857 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 1.0 Direct Entry, Summary for Subcatchment 14S: Residual Area Runoff = 0.00 cfs @ 0.01 hrs, Volume= 0.000 af, Depth= 0.00" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type 11 24 -hr 2 Year Rainfall= 2.50" Area (ac) CN Description 6.000 39 >75% Grass cover, Good, HSG A 6.000 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) ( ft/ft) (ft/sec) (cfs) 10.0 Direct Entry, Summary for Pond 1P: BASIN 1 Inflow Area = 24.648 ac, 47.87% Impervious, Inflow Depth = 0.55" for 2 Year event Inflow = 13.28 cfs @ 12.06 hrs, Volume= 1.131 of Outflow = 4.09 cfs @ 12.45 hrs, Volume= 1.112 af, Atten= 69 %, Lag= 23.3 min Primary = 4.09 c1s @ 12.45 hrs, Volume= 1.112 of Routing by Sim -Route method, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Starting Elev= 1,085.00' Surf.Area= 22,121 sf Storage= 58,163 cf Peak Elev= 1,085.71'@ 12.45 hrs Surf.Area= 24,794 sf Storage= 74,840 cf (16,676 cf above start) Plug -Flow detention time= (not calculated: initial storage excedes outflow) College of St. Benedict Type 11 24 -hr 2 Year Rainfall =2.50" Prepared by Microsoft Printed 7/11/2011 HydroCADO 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Page 19 Center -of -Mass det. time= 160.6 min ( 1,026.4 - 865.9 ) Volume Invert Avail.Storage Storage Description #1 1,081.00' 512,670 cf Custom Stage Data (Irregular )Listed below (Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq -ft) (feet) (cubic -feet) (cubic -feet) (sq -ft) 1,081.00 10,909 474.0 0 0 10,909 1,082.00 12,385 495.0 11,639 11,639 12,599 1,083.00 13,897 514.0 13,134 24,773 14,206 1,084.00 15,487 533.0 14,685 39,458 15,873 1,085.00 22,121 627.0 18,706 58,163 24,570 1,086.00 25,923 673.0 23,997 82,160 29,373 1,087.00 29,936 711.0 27,905 110,066 33,615 1,088.00 34,189 749.0 32,039 142,105 38,090 1,098.00 40,000 800.0 370,565 512,670 48,065 Device Routing Invert Outlet Devices #1 Primary 1,085.00' 24.0" Round Culvert X 3.00 L= 46.0' RCP, mitered to conform to fill, Ke= 0.700 Inlet/ Outlet Invert= 1,085.00'/ 1,085.00' S= 0.0000'/' Cc= 0.900 n=0.013, Flow Area= 3.14 sf Primary OutFlow Max =4.09 cfs @ 12.45 hrs HW= 1,085.71' TW= 1,081.55' (Dynamic Tailwater) L1 = Culvert (Barrel Controls 4.09 cfs @ 2.03 fps) Summary for Pond 2P: (new Pond) Inflow Area = 25.241 ac, 49.09% Impervious, Inflow Depth > 0.58" for 2 Year event Inflow = 4.24 cfs @ 12.43 hrs, Volume= 1.224 of Outflow = 0.00 cfs @ 0.01 hrs, Volume= 0.000 af, Atten= 100 %, Lag= 0.0 min Primary = 0.00 cfs @ 0.01 hrs, Volume= 0.000 of Routing by Sim -Route method, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Peak Elev= 1,084.15'@ 72.00 hrs Surf.Area= 20,205 sf Storage= 53,325 cf Plug -Flow detention time= (not calculated: initial storage excedes outflow) Center -of -Mass det. time= (not calculated: no outflow) Volume Invert Avail.Storage Storage Description #1 1,081.00' 198,032 cf Custom Stage Data (Irregular )Listed below(Recalc) College of St. Benedict 14.16 cfs @ 12.01 hrs, Volume= 0.867 of Type II 24 -hr 2 Year Rainfall =2.50" Prepared by Microsoft 0.70 cfs @ 13.18 hrs, Volume= 1.032 af, Atten= 95 %, Lag= 70.4 min Discarded = Printed 7/11/2011 HydroCADO 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Pape 20 Routing by Sim -Route method, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq -ft) (feet) (cubic -feet) (cubic -feet) (sq -ft) 1,081.00 14,421 504.0 0 0 14,421 1,082.00 15,950 523.0 15,179 15,179 16,056 1,083.00 17,544 543.0 16,741 31,920 17,835 1,084.00 19,263 565.0 18,397 50,317 19,852 1,085.00 25,853 645.0 22,477 72,794 27,579 1,086.00 28,691 678.0 27,260 100,054 31,116 1 ,087.00 31,567 704.0 30,118 130,171 34,057 1,088.00 34,589 733.0 33,066 163,238 37,451 1,089.00 35,000 750.0 34,794 198,032 39,589 Device Routing Invert Outlet Devices 274,093 Device Routina #1 Primary 1,085.00' 24.0" Round Culvert L= 732.0' RCP, mitered to conform to fill, Ke= 0.700 Inlet / Outlet Invert= 1,085.00'/ 1,082.00' S= 0.0041 T Cc= 0.900 n=0.013, Flow Area= 3.14 sf Primary OutFlow Max =0.00 cfs @ 0.01 hrs HW= 1,081.00' TW= 1,082.00' (Dynamic Tailwater) 'L1= Culvert ( Controls 0.00 cfs) Summary for Pond 3P: BASIN 3 (INFILTRATION) Inflow Area = 41.215 ac, 41.18% Impervious, Inflow Depth = 0.25" for 2 Year event Inflow = 14.16 cfs @ 12.01 hrs, Volume= 0.867 of Outflow = 0.70 cfs @ 13.18 hrs, Volume= 1.032 af, Atten= 95 %, Lag= 70.4 min Discarded = 0.70 cfs @ 13.18 hrs, Volume= 1.032 of Routing by Sim -Route method, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Peak Elev= 1,082.17'@ 13.18 hrs Surf.Area= 99,707 sf Storage= 16,793 cf Plug -Flow detention time= (not calculated: outflow precedes inflow) Center -of -Mass det. time= 107.7 min ( 869.5 - 761.8 ) Volume Invert Avail.Storage Storage Description #1 1,082.00' 1,055,794 of Custom Stage Data (Irregular )Listed below (Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq -ft) (feet) (cubic -feet) (cubic -feet) (sq -ft) 1,082.00 98,479 1,596.0 0 0 98,479 1,083.00 105,833 1,633.0 102,134 102,134 108,122 1,084.00 113,933 1,678.0 109,858 211,992 120,094 1,085.00 122,300 1,724.0 118,092 330,084 132,663 1,086.00 130,893 1,770.0 126,572 456,656 145,572 1,087.00 139,759 1,818.0 135,302 591,958 159,394 1,088.00 148,843 1,867.0 144,277 736,235 173,880 1,089.00 158,294 1,945.0 153,544 889,779 197,618 1,090.00 173,857 2,178.0 166,015 1,055,794 274,093 Device Routina Invert Outlet Devices #1 Discarded 1,082.00' 0.300 in /hr Exfiltration over Wetted area College of St. Benedict Type // 24 -hr 2 Year Rainfa/h2.50" Prepared by Microsoft Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Page 21 Qiscarded OutFlow Max =0.70 cfs @ 13.18 hrs HW= 1,082.17' (Free Discharge) 1= EAltration (EAltration Controls 0.70 cfs) College of St. Benedict Type // 24 -hr 2 -100 Year B -B Rainfall = 5.63" x 2 Prepared by Microsoft Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 @2011 HydroCAD Software Solutions LLC Page 22 Time span =0.01 -72.00 hrs, dt =0.01 hrs, 7200 points Runoff by SCS TR -20 method, UH =SCS Reach routing by Sim -Route method - Pond routing by Sim -Route method Subcatchment4S: STUDENTHOUSING RunoffArea= 261.451 sf 66.68% Impervious Runoff Depth = 8.46" Tc =10.0 min CN =78 Runoff--39.74 cfs 4.233 of Subcatchment5S: WELCOME CENTER Runoff Area =3.138 ac 45.83% Impervious Runoff Depth= 6.80" Tc =15.0 min CN =66 Runoff =15.92 cfs 1.779 of Subcatchment6S: SOCCER FIELDS Runoff Area = 197.600 sf 0.00% Impervious Runoff Depth= 2.78" Flow Length =200' Slope= 0.0150 7' Tc =30.1 min CN =39 Runoff--8.37 cfs 1.052 of Subcatchment7S: TENNIS CTS Runoff Area = 58.248 sf 100.00% Impervious Runoff Depth= 11.02" Tc =10.0 min CN =98 Runoff =9.50 cfs 1.228 of Subcatchment8S: PARKING LOT Runoff Area= 141,249 sf 100.00% Impervious Runoff Depth= 11.02" Tc =10.0 min CN =98 Runoff =23.03 cfs 2.977 of Subcatchment9S: SR. HOUSING Runoff Area =9.000 ac 65.00% Impervious Runoff Depth =8.33" Tc =20.0 min CN =77 Runoff--44.19 cfs 6.247 of Subcatchment10S: SOFTBALLFIELD Runoff Area = 124.838 sf 0.00% Impervious Runoff Depth =2.78" Tc =20.0 min CN =39 Runoff--6.73 cfs 0.664 of Subcatchment11S: AREAOF & Runoff Area = 22.121 sf 100.00% Impervious Runoff Depth= 11.02" Tc =1.0 min CN =98 Runoff--4.76 cfs 0.466 of Subcatchment12S: AREAOF & Runoff Area = 25.853 sf 100.00% Impervious Runoff Depth= 11.02" Tc =0.0 min CN =98 Runoff =5.68 cfs 0.545 of Subcatchment13S: AREAOF & AROUND Runoff Area= 173,857 sf 0.00% Impervious Runoff Depth= 2.78" Tc =1.0 min CN =39 Runoff =17.23 cfs 0.925 of Subcatchment14S: Residual Area RunoffArea =6.000 ac 0.00% Impervious Runoff Depth =2.78" Tc =10.0 min CN =39 Runoff--1 9.17 cfs 1.391 of Pond 1P: BASIN 1 Peak EIev= 1,088.88' Storage= 172.419 cf Inflow = 111.18 cfs 14.117 of 24.0" Round Culvert x 3.00 n =0.013 L =46.0' S= 0.00007' Outflow =44.65 cfs 13.142 of Pond 2P: (new Pond) Peak EIev = 1,088.53' Storage = 181.464 cf Inflow--45.21 cfs 13.687 of 24.0" Round Culvert n =0.013 L= 732.0' S= 0.0041 7' Outflow =13.50 cfs 10.930 of Pond 3P: BASIN 3 (INFILTRATION) Peak EIev= 1,087.14' Storage = 611.127 cf Inflow =56.13 cfs 17.776 of Outflow =1.12 cfs 5.290 of Total Runoff Area= 41.215 ac Runoff Volume= 21.508 of Average Runoff Depth= 6.26" 58.82% Pervious = 24.243 ac 41.18% Impervious = 16.971 ac College of St. Benedict Type 11 24 -hr 2 -100 Year B -B Rainfall = 5.63" x 2 Prepared by Microsoft Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Page 23 Summary for Subcatchment 4S: STUDENT HOUSING Runoff = 39.74 cfs @ 36.01 hrs, Volume= 4.233 af, Depth= 8.46" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 2 -100 Year B -B Rainfall = 5.63" x 2 Area (sf) CN Description 6,823 98 Roofs, HSG A 6,823 98 Roofs, HSG A 6,823 98 Roofs, HSG A 6,823 98 Roofs, HSG A 3,768 98 Roofs, HSG A 143,271 98 Paved parking, HSG A 87,120 39 >75% Grass cover, Good, HSG A 261,451 78 Weighted Average 87,120 33.32% Pervious Area 174,331 66.68% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) ( ft/ft) (ft/sec) (cfs) 10.0 Direct Entry, Summary for Subcatchment 5S: WELCOME CENTER Runoff = 15.92 cfs @ 36.06 hrs, Volume= 1.779 af, Depth= 6.80" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 2 -100 Year B -B Rainfall =5.63" x 2 Area (ac) CN Description 0.342 98 Unconnected roofs, HSG A 1.096 98 Paved parking, HSG A 1.700 39 >75% Grass cover, Good, HSG A 3.138 66 Weighted Average 1.700 54.17% Pervious Area 1.438 45.83% Impervious Area 6.342 23.78% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) ( ft/sec) (cfs) 15.0 Direct Entry, Summary for Subcatchment 6S: SOCCER FIELDS Runoff = 8.37 cfs @ 36.23 hrs, Volume= 1.052 af, Depth= 2.78" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type 11 24 -hr 2 -100 Year B -B Rainfall=5.63" x 2 College of St. Benedict Type l/ 24 -hr 2 -100 Year B -8 Rainfall = 5.63" x 2 Prepared by Microsoft Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Page 24 Area (sf) CN Description 197,600 39 >75% Grass cover, Good, HSG A 197,600 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 30.1 200 0.0150 0.11 Sheet Flow, Soccer Fields Grass: Dense n= 0.240 P2= 2.75" Summary for Subcatchment 7S: TENNIS CTS Runoff = 9.50 cfs @ 36.01 hrs, Volume= 1.228 af, Depth= 11.02" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 2 -100 Year B -B Rainfall= 5.63" x 2 Area (sf) CN Description 58,248 98 Paved parking, HSG A 58,248 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (fttft) ( ft/sec) (cfs) 10.0 Direct Entry, Summary for Subcatchment 8S: PARKING LOT Runoff = 23.03 cfs @ 36.01 hrs, Volume= 2.977 af, Depth= 11.02" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 2 -100 Year B -B Rainfall = 5.63" x 2 Area (sf) CN Description 141,249 98 Paved parking, HSG A 141,249 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) ( ft/sec) (cfs) 10.0 Direct Entry, Summary for Subcatchment 9S: SR. HOUSING Runoff = 44.19 cfs @ 36.11 hrs, Volume = 6.247 af, Depth= 8.33" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type 11 24 -hr 2 -100 Year B -B Rainfall = 5.63" x 2 College of St. Benedict Type 11 24 -hr 2 -100 Year 8 -8 Rainfall = 5.63" x 2 Prepared by Microsoft Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Paoe 25 Area (ac) CN Description 9.000 77 1/8 acre lots, 65% imp, HSG A 3.150 35.00% Pervious Area 5.850 65.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 10S: SOFTBALL FIELD Runoff = 6.73 cfs @ 36.12 hrs, Volume= 0.664 af, Depth= 2.78" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 2 -100 Year B -B Rainfall= 5.63" x 2 Area (sf) CN Description 124,838 39 >75% Grass cover, Good, HSG A 124,838 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) ( ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 11S: AREA OF & AROUND BASIN 1 Runoff = 4.76 cfs @ 35.91 hrs, Volume= 0.466 af, Depth= 11.02" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 2 -100 Year B -B Rainfall = 5.63" x 2 Area (sf) CN Description 22,121 98 Water Surface, HSG A 22,121 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) ( ft/ft) (ft/sec) (cfs) 1.0 Direct Entry, Summary for Subcatchment 12S: AREA OF & AROUND BASIN 2 Runoff = 5.68 cfs @ 35.90 hrs, Volume= 0.545 af, Depth = 11.02" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type 11 24 -hr 2 -100 Year B -B Rainfall = 5.63" x 2 College of St. Benedict Type l/ 24 -hr 2 -100 Year B -B Rainfall = 5.63" x 2 Prepared by Microsoft Printed 7/11/2011 HydroCADO 9.14 s/n 01280 © 2011 HvdroCAD Software Solutions LLC Page 26 Area (sf) CN Description 25,853 98 Water Surface, HSG A 25,853 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.0 Direct Entry, Summary for Subcatchment 13S: AREA OF & AROUND BASIN 3 Runoff = 17.23 cfs @ 35.91 hrs, Volume= 0.925 af, Depth= 2.78" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 2 -100 Year B -B Rainfall= 5.63" x 2 Area (sf) CN Description 173,857 39 >75% Grass cover, Good, HSG A 173,857 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) ( ft/ft) ( ft/sec) (cfs) 1.0 Direct Entry, Summary for Subcatchment 14S: Residual Area Runoff = 19.17 cfs @ 36.01 hrs, Volume= 1.391 af, Depth= 2.78" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 2 -100 Year B -B Rainfall= 5.63" x 2 Area (ac) CN Description 6.000 39 >75% Grass cover, Good HSG A 6.000 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.0 Direct Entry, Summary for Pond 1 P: BASIN 1 Inflow Area = 24.648 ac, 47.87% Impervious, Inflow Depth = 6.87" for 2 -100 Year 6 -13 event Inflow = 111.18 cfs @ 36.04 hrs, Volume= 14.117 of Outflow = 44.65 cfs @ 36.16 hrs, Volume= 13.142 af, Atten= 60 %, Lag= 7.3 min Primary = 44.65 cfs @ 36.16 hrs, Volume= 13.142 of Routing by Sim -Route method, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Starting Elev = 1,085.00' Surf.Area= 22,121 sf Storage= 58,163 cf Peak Elev= 1,088.88' @ 36.31 hrs Surf.Area= 34,682 sf Storage= 172,419 cf (114,256 cf above start) Plug -flow detention time= 340.0 min calculated for 11.805 of (84% of inflow) College of St. Benedict Type 11 24 -hr 2 -100 Year 8 -8 Rainfall = 5.63" x 2 Prepared by Microsoft Printed 7/11/2011 HydroCADO 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Page 27 Center -of -Mass det. time= 72.6 min ( 1,779.3 - 1,706.7 ) Volume Invert Avail.Storage Storage Description #1 1,081.00' 512,670 cf Custom Stage Data (Irregular )Listed below (Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq -ft) (feet) (cubic -feet) (cubic -feet) (sq -ft) 1,081.00 10,909 474.0 0 0 10,909 1,082.00 12,385 495.0 11,639 11,639 12,599 1,083.00 13,897 514.0 13,134 24,773 14,206 1,084.00 15,487 533.0 14,685 39,458 15,873 1,085.00 22,121 627.0 18,706 58,163 24,570 1,086.00 25,923 673.0 23,997 82,160 29,373 1,087.00 29,936 711.0 27,905 110,066 33,615 1,088.00 34,189 749.0 32,039 142,105 38,090 1,098.00 40,000 800.0 370,565 512,670 48,065 Device Routing Invert Outlet Devices #1 Primary 1,085.00' 24.0" Round Culvert X 3.00 L= 46.0' RCP, mitered to conform to fill, Ke= 0.700 Inlet/ Outlet Invert= 1,085.00'/ 1,085.00' S= 0.0000'/' Cc= 0.900 n= 0.013, Flow Area= 3.14 sf Primary OutFlow Max =44.00 cfs @ 36.16 hrs HW= 1,088.66' TW= 1,087.45' (Dynamic Tailwater) 't-1 =Culvert (Inlet Controls 44.00 cfs @ 4.67 fps) Summary for Pond 2P: (new Pond) Inflow Area = 25.241 ac, 49.09% Impervious, Inflow Depth > 6.51" for 2 -100 Year B -B event Inflow = 45.21 cfs @ 36.16 hrs, Volume= 13.687 of Outflow = 13.50 cfs @ 36.63 hrs, Volume= 10.930 af, Atten= 70 %, Lag= 28.4 min Primary = 13.50 cfs @ 36.63 hrs, Volume= 10.930 of Routing by Sim -Route method, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Peak Elev= 1,088.53'@ 36.81 hrs Surf.Area= 34,805 sf Storage= 181,464 cf Plug -Flow detention time= 463.3 min calculated for 10.928 of (80% of inflow) Center -of -Mass det. time= 246.4 min ( 2,013.0 - 1,766.6 ) Volume Invert Avail.Storage Storage Description #1 1,081.00' 198,032 cf Custom Stage Data (irregular )Listed below(Recalc) College of St. Benedict Type 11 24 -hr 2 -100 Year 8 -B Rainfall =5.63" x 2 Prepared by Microsoft Printed 7/11/2011 HydroCADO 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Page 28 Custom Stage Data (irregular)Listed below (Recalc) Elevation Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq -ft) (feet) (cubic -feet) (cubic -feet) (sq -ft) 1,081.00 14,421 504.0 0 0 14,421 1,082.00 15,950 523.0 15,179 15,179 16,056 1,083.00 17,544 543.0 16,741 31,920 17,835 1,084.00 19,263 565.0 18,397 50,317 19,852 1,085.00 25,853 645.0 22,477 72,794 27,579 1,086.00 28,691 678.0 27,260 100,054 31,116 1,087.00 31,567 704.0 30,118 130,171 34,057 1,088.00 34,589 733.0 33,066 163,238 37,451 1,089.00 35,000 750.0 34,794 198,032 39,589 Device Routing Invert Outlet Devices 159,394 #1 Primary 1,085.00' 24.0" Round Culvert 1,867.0 144,277 736,235 L= 732.0' RCP, mitered to conform to fill, Ke= 0.700 158,294 1,945.0 Inlet / Outlet Invert= 1,085.00'/ 1,082.00' S= 0.0041 T Cc= 0.900 197,618 1,090.00 n=0.013, Flow Area= 3.14 sf 2,178.0 L rimary OutFlow Max =13.48 cfs @ 36.63 hrs HW= 1,088.48' TW= 1,085.39' (Dynamic Tailwater) 1= Culvert (Outlet Controls 13.48 cfs @ 4.29 fps) Summary for Pond 3P: BASIN 3 (INFILTRATION) Inflow Area = 41.215 ac, 41.18% Impervious, Inflow Depth > 5.18" for 2 -100 Year B -B event Inflow = 56.13 cfs @ 35.98 hrs, Volume= 17.776 of Outflow = 1.12 cfs @ 48.31 hrs, Volume= 5.290 af, Atten= 98 %, Lag= 739.9 min Discarded = 1.12 cfs @ 48.31 hrs, Volume= 5.290 of Routing by Sim -Route method, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Peak Elev= 1,087.14'@ 48.31 hrs Surf.Area= 140,983 sf Storage= 611,127 cf Plug -Flow detention time= (not calculated: outflow precedes inflow) Center -of -Mass det. time= 572.4 min ( 2,464.3 - 1,891.9 ) Volume Invert Avail.Storage Storage Description #1 1,082.00' 1,055,794 cf Custom Stage Data (irregular)Listed below (Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq -ft) (feet) (cubic -feet) (cubic -feet) (sq -ft) 1,082.00 98,479 1,596.0 0 0 98,479 1,083.00 105,833 1,633.0 102,134 102,134 108,122 1,084.00 113,933 1,678.0 109,858 211,992 120,094 1,085.00 122,300 1,724.0 118,092 330,084 132,663 1,086.00 130,893 1,770.0 126,572 456,656 145,572 1,087.00 139,759 1,818.0 135,302 591,958 159,394 1,088.00 148,843 1,867.0 144,277 736,235 173,880 1,089.00 158,294 1,945.0 153,544 889,779 197,618 1,090.00 173,857 2,178.0 166,015 1,055,794 274,093 Device Routinq Invert Outlet Devices #1 Discarded 1,082.00' 0.300 in /hr Exfltration over Wetted area College of St. Benedict Type 11 24 -hr 2 -100 Year B -B Rainfall = 5.63" x 2 Prepared by Microsoft Printed 7/11/2011 HydroCADO 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Page 29 Qiscarded OutFlow Max =1.12 cfs @ 48.31 hrs HW= 1,087.14' (Free Discharge) 1= EAltration (EAltration Controls 1.12 cfs) College of St. Benedict Type 11 24 -hr 10 Year Rainfall =3.88" Prepared by Microsoft Printed 7111/2011 HydroCADO 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Pape 30 Time span =0.01 -72.00 hrs, dt =0.01 hrs, 7200 points Runoff by SCS TR -20 method, UH =SCS Reach routing by Sim -Route method - Pond routing by Sim -Route method Subcatchment4S: STUDENTHOUSING Runoff Area = 261.451 sf 66.68% Impervious Runoff Depth= 1.79" Tc =10.0 min CN =78 Runoff =16.59 cfs 0.896 of Subcatchment5S: WELCOME CENTER Runoff Area =3.138 ac 45.83% Impervious Runoff Depth= 1.01" Tc =15.0 min CN =66 Runoff--3.79 cfs 0.265 of Subcatchment6S: SOCCER FIELDS Runoff Area = 197.600 sf 0.00% Impervious Runoff Depth =0.03" Flow Length =200' Slope=0.01 50T Tc =30.1 min CN =39 Runoff--0.02 cfs 0.013 of Subcatchment7S: TENNIS CTS Runoff Area = 58.248 sf 100.00% Impervious Runoff Depth= 3.65" Tc =10.0 min CN =98 Runoff =6.49 cfs 0.406 of Subcatchment8S: PARKING LOT Runoff Area = 141.249 sf 100.00% Impervious Runoff Depth= 3.65" Tc =10.0 min CN =98 Runoff=15.73 cfs 0.985 of Subcatchment9S: SR. HOUSING Runoff Area =9.000 ac 65.00% Impervious Runoff Depth= 1.72" Tc =20.0 min CN =77 Runoff--1 7.03 cfs 1.289 of Subcatchment10S: SOFTBALLFIELD Runoff Area = 124.838 sf 0.00% Impervious Runoff Depth =0.03" Tc =20.0 min CN =39 Runoff--0.01 cfs 0.008 of Subcatchmentl1S: AREAOF & AROUND Runoff Area = 22.121 sf 100.00% Impervious Runoff Depth= 3.65" Tc =1.0 min CN =98 Runoff =3.25 cfs 0.154 of Subcatchment12S: AREA OF & AROUND Runoff Area = 25.853 sf 100.00% Impervious Runoff Depth= 3.65" Tc =0.0 min CN =98 Runoff =3.89 cfs 0.180 of Subcatchmentl3S: AREA OF & AROUND Runoff Area= 173,857 sf 0.00% Impervious Runoff Depth= 0.03" Tc =1.0 min CN =39 Runoff=0.02 cfs 0.011 of Subcatchmentl4S: Residual Area Runoff Area =6.000 ac 0.00% Impervious Runoff Depth= 0.03" Tc =10.0 min CN =39 Runoff=0.02 cfs 0.017 of Pond 1 P: BASIN 1 Peak EIev= 1,086.41' Storage= 93.163 cf Inflow =34.00 cfs 2.622 of 24.0" Round Culvert x 3.00 n -0.013 L =46.0' S= 0.0000 7' Outflow =16.11 cfs 2.587 of Pond 213: (new Pond) Peak EIev= 1,085.47' Storage = 85.239 cf Inflow =16.42 cfs 2.768 of 24.0" Round Culvert n =0.013 L= 732.0' S= 0.0041 T Outflow =0.96 cfs 1.058 of Pond 3P: BASIN 3 (INFILTRATION) Peak EIev= 1,082.46' Storage = 45.762 cf Inflow =22.22 cfs 2.482 of Outflow =0.71 cfs 3.190 of Total Runoff Area= 41.215 ac Runoff Volume= 4.226 of Average Runoff Depth= 1.23" 58.82% Pervious = 24.243 ac 41.18% Impervious = 16.971 ac College of St. Benedict Type// 24 -hr 10 Year Rainfall =3.88" Prepared by Microsoft Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Page 31 Summary for Subcatchment 4S: STUDENT HOUSING Runoff = 16.59 cfs @ 12.02 hrs, Volume= 0.896 af, Depth= 1.79" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 10 Year Rainfall= 3.88" Area (sf) CN Description 6,823 98 Roofs, HSG A 6,823 98 Roofs, HSG A 6,823 98 Roofs, HSG A 6,823 98 Roofs, HSG A 3,768 98 Roofs, HSG A 143,271 98 Paved parking, HSG A 87,120 39 >75% Grass cover, Good, HSG A 261,451 78 Weighted Average 87,120 33.32% Pervious Area 174,331 66.68% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) ( ft/sec) (cfs) 10.0 Direct Entry, Summary for Subcatchment 5S: WELCOME CENTER Runoff = 3.79 cfs @ 12.09 hrs, Volume= 0.265 af, Depth= 1.01" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 10 Year Rainfall =3.88" Area (ac) CN Description 0.342 98 Unconnected roofs, HSG A 1.096 98 Paved parking, HSG A 1.700 39 >75% Grass cover, Good, HSG A 3.138 66 Weighted Average 1.700 54.17% Pervious Area 1.438 45.83% Impervious Area 0.342 23.78% Unconnected Tc Length Slope Velocity Capacity Description (min) {feet) ( ft/ft) (ft/sec) (cfs) 15.0 Direct Entry, Summary for Subcatchment 6S: SOCCER FIELDS Runoff = 0.02 cfs @ 18.63 hrs, Volume= 0.013 af, Depth= 0.03" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type 11 24 -hr 10 Year Rainfall= 3.88" College of St. Benedict Type// 24 -hr 10 Year Rainfall =3.88" Prepared by Microsoft Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Page 32 Area (sf) CN Description 197,600 39 >75% Grass cover, Good, HSG A 197,600 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 30.1 200 0.0150 0.11 Sheet Flow, Soccer Fields Grass: Dense n= 0.240 P2= 2.75" Summary for Subcatchment 7S: TENNIS CTS Runoff = 6.49 cfs @ 12.01 hrs, Volume= 0.406 af, Depth= 3.65" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 10 Year Rainfall= 3.88" Area (sf) CN Description 58,248 98 Paved parking, HSG A 58,248 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.0 Direct Entry, Summary for Subcatchment 8S: PARKING LOT Runoff = 15.73 cfs @ 12.01 hrs, Volume= 0.985 af, Depth= 3.65" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 10 Year Rainfall= 3.88" Area (sf) CN Description 141,249 98 Paved parking, HSG A 141,249 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.0 Direct Entry, Summary for Subcatchment 9S: SR. HOUSING Runoff = 17.03 cfs @ 12.13 hrs, Volume= 1.289 af, Depth= 1.72" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type 11 24 -hr 10 Year Rainfall= 3.88" College of St. Benedict Type 11 24 -hr 10 Year Rainfall =3.88" Prepared by Microsoft Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Pape 33 Area (ac) CN Description 9.000 77 1/8 acre lots, 65% imp, HSG A 3.150 35.00% Pervious Area 5.850 65.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 10S: SOFTBALL FIELD Runoff = 0.01 cfs @ 24.02 hrs, Volume= 0.008 af, Depth= 0.03" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 10 Year Rainfall= 3.88" Area (sf) CN Description 124,838 39 >75% Grass cover, Good HSG A 124,838 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) ( ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 11S: AREA OF & AROUND BASIN 1 Runoff = 3.25 cfs @ 11.91 hrs, Volume= 0.154 af, Depth= 3.65" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 10 Year Rainfall= 3.88" Area (sf) CN Description 22,121 98 Water Surface, HSG A 22,121 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) ( ft/ft) (ft/sec) (cfs) 1.0 Direct Entry, Summary for Subcatchment 12S: AREA OF & AROUND BASIN 2 Runoff = 3.89 cfs @ 11.90 hrs, Volume= 0.180 af, Depth= 3.65" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type 11 24 -hr 10 Year Rainfall =3.88" College of St. Benedict Type// 24 -hr 10 Year Rainfall =3.88" Prepared by Microsoft Printed 7/11/2011 HydroCADO 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Paae 34 Area (sf) CN Description 25,853 98 Water Surface, HSG A 25,853 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) {ft/ft) (ft/sec) (cfs) 0.0 Direct Entry, Summary for Subcatchment 13S: AREA OF & AROUND BASIN 3 Runoff = 0.02 cfs @ 23.99 hrs, Volume= 0.011 af, Depth= 0.03" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 10 Year Rainfall= 3.88" Area (sf) CN Description 173,857 39 >75% Grass cover, Good, HSG A 173,857 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) ( ft/sec) (cfs) 1.0 Direct Entry, Summary for Subcatchment 14S: Residual Area Runoff = 0.02 cfs @ 24.01 hrs, Volume= 0.017 af, Depth= 0.03" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 10 Year Rainfall= 3.88" Area (ac) CN Description 6.000 39 >75% Grass cover, Good, HSG A 6.000 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.0 Direct Entry, Summary for Pond 1 P: BASIN 1 Inflow Area = 24.648 ac, 47.87% Impervious, Inflow Depth = 1.28" for 10 Year event Inflow = 34.00 cfs @ 12.06 hrs, Volume= 2.622 of Outflow = 16.11 cfs @ 12.29 hrs, Volume= 2.587 af, Atten= 53 %, Lag= 14.2 min Primary = 16.11 cfs @ 12.29 hrs, Volume= 2.587 of Routing by Sim -Route method, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Starting Elev= 1,085.00' Surf.Area= 22,121 sf Storage= 58,163 cf Peak Elev= 1,086.41'@ 12.29 hrs Surf.Area= 27,540 sf Storage= 93,163 cf (35,000 cf above start) Plug -Flow detention time= 492.3 min calculated for 1.252 of (48% of inflow) College of St. Benedict Type// 24 -hr 10 Year Rainfall =3.88" Prepared by Microsoft Printed 7/11/2011 HydroCADO 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Paae 35 Center -of -Mass det. time= 128.6 min ( 974.8 - 846.2 ) Volume Invert Avail.Storage Storage Description #1 1,081.00' 512,670 cf Custom Stage Data (Irregular )Listed below (Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq -ft) (feet) (cubic -feet) (cubic -feet) (sq -ft) 1,081.00 10,909 474.0 0 0 10,909 1,082.00 12,385 495.0 11,639 11,639 12,599 1,083.00 13,897 514.0 13,134 24,773 14,206 1,084.00 15,487 533.0 14,685 39,458 15,873 1,085.00 22,121 627.0 18,706 58,163 24,570 1,086.00 25,923 673.0 23,997 82,160 29,373 1,087.00 29,936 711.0 27,905 110,066 33,615 1,088.00 34,189 749.0 32,039 142,105 38,090 1,098.00 40,000 800.0 370,565 512,670 48,065 Device Routing Invert Outlet Devices #1 Primary 1,085.00' 24.0" Round Culvert X 3.00 L= 46.0' RCP, mitered to conform to fill, Ke= 0.700 Inlet/ Outlet Invert= 1,085.00'/ 1,085.00' S=0.00007' Cc= 0.900 n=0.013, Flow Area= 3.14 sf rimary OutFlow Max =16.11 cfs @ 12.29 hrs HW= 1,086.41' TW= 1,082.33' (Dynamic Tailwater) r-1 =Culvert (Barrel Controls 16.11 cfs @ 3.18 fps) Summary for Pond 2P: (new Pond) Inflow Area = 25.241 ac, 49.09% Impervious, Inflow Depth > 1.32" for 10 Year event Inflow = 16.42 cfs @ 12.29 hrs, Volume= 2.768 of Outflow = 0.96 cfs @ 18.77 hrs, Volume= 1.058 af, Atten= 94 %, Lag= 388.7 min Primary = 0.96 cfs @ 18.77 hrs, Volume= 1.058 of Routing by Sim -Route method, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Peak Elev= 1,085.47'@ 18.85 hrs Surf.Area= 27,167 sf Storage= 85,239 cf Plug -Flow detention time = 793.8 min calculated for 1.058 of {38% of inflow) Center -of -Mass det. time= 565.4 min ( 1,525.1 - 959.7 ) Volume Invert Avail.Storage Storage Description #1 1,081.00' 198,032 cf Custom Stage Data (Irregular )Listed below (Recalc) College of St. Benedict 2.482 of Type// 24 -hr 10 Year Rainfall =3.88" Prepared by Microsoft 3.190 af, Atten= 97 %, Lag= 758.3 min Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Paae 36 Routing by Sim -Route method, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq -ft) (feet) (cubic -feet) (cubic -feet) (sq -ft) 1,081.00 14,421 504.0 0 0 14,421 1,082.00 15,950 523.0 15,179 15,179 16,056 1,083.00 17,544 543.0 16,741 31,920 17,835 1,084.00 19,263 565.0 18,397 50,317 19,852 1,085.00 25,853 645.0 22,477 72,794 27,579 1,086.00 28,691 678.0 27,260 100,054 31,116 1,087.00 31,567 704.0 30,118 130,171 34,057 1,088.00 34,589 733.0 33,066 163,238 37,451 1,089.00 35,000 750.0 34,794 198,032 39,589 Device Routing Invert Outlet Devices Device Routing Invert Outlet Devices #1 Primary 1,085.00' 24.0" Round Culvert #1 Discarded 1,082.00' 0.300 in /hr Exfiltration over Wetted area L= 732.0' RCP, mitered to conform to fill, Ke= 0.700 Inlet / Outlet Invert= 1,085.00'/ 1,082.00' S= 0.0041 T Cc= 0.900 n=0.013, Flow Area= 3.14 sf Primary OutFlow Max =0.96 cfs @ 18.77 hrs HW= 1,085.47' TW= 1,082.37' (Dynamic Tailwater) L`! =Culvert (Outlet Controls 0.96 cfs @ 2.59 fps) Summary for Pond 3P: BASIN 3 (INFILTRATION) Inflow Area = 41.215 ac, 41.18% Impervious, Inflow Depth > 0.72" for 10 Year event Inflow = 22.22 cfs @ 12.01 hrs, Volume= 2.482 of Outflow = 0.71 cfs @ 24.65 hrs, Volume= 3.190 af, Atten= 97 %, Lag= 758.3 min Discarded = 0.71 cfs @ 24.65 hrs, Volume= 3.190 of Routing by Sim -Route method, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Peak Elev= 1,082.46'@ 24.65 hrs Surf.Area= 101,807 sf Storage= 45,762 cf Plug -Flow detention time= (not calculated: outflow precedes inflow) Center -of -Mass det. time= 931.1 min ( 2,018.4 - 1,087.3 ) Volume Invert Avail.Storage Storage Description #1 1,082.00' 1,055,794 cf Custom Stage Data (Irregular)Listed below (Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq -ft) (feet) (cubic -feet) (cubic -feet) (sq -ft) 1,082.00 98,479 1,596.0 0 0 98,479 1,083.00 105,833 1,633.0 102,134 102,134 108,122 1,084.00 113,933 1,678.0 109,858 211,992 120,094 1,085.00 122,300 1,724.0 118,092 330,084 132,663 1,086.00 130,893 1,770.0 126,572 456,656 145,572 1,087.00 139,759 1,818.0 135,302 591,958 159,394 1,088.00 148,843 1,867.0 144,277 736,235 173,880 1,089.00 158,294 1,945.0 153,544 889,779 197,618 1,090.00 173,857 2,178.0 166,015 1,055,794 274,093 Device Routing Invert Outlet Devices #1 Discarded 1,082.00' 0.300 in /hr Exfiltration over Wetted area College of St. Benedict Type// 24 -hr 10 Year Rainfall =3.88" Prepared by Microsoft Printed 7/11/2011 HydroCADO 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Pape 37 Discarded OutFlow Max =0.71 cfs @ 24.65 hrs HW= 1,082.46' (Free Discharge) L1= Exfiltration (EAltration Controls 0.71 cfs) College of St. Benedict Type// 24 -hr 100 Year Rainfall =5.63" Prepared by Microsoft Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Paae 38 Time span =0.01 -72.00 hrs, dt =0.01 hrs, 7200 points Runoff by SCS TR -20 method, UH =SCS Reach routing by Sim -Route method - Pond routing by Sim -Route method Subcatchment4S: STUDENTHOUSING RunoffArea= 261.451 sf 66.68% Impervious Runoff Depth= 3.25" Tc =10.0 min CN =78 Runoff =29.93 cfs 1.628 of Subcatchment5S: WELCOME CENTER Runoff Area =3.138 ac 45.83% Impervious Runoff Depth= 2.17" Tc =15.0 min CN =66 Runoff--8.69 cfs 0.567 of Subcatchment6S: SOCCER FIELDS Runoff Area = 197.600 sf 0.00% Impervious Runoff Depth = 0.34" Flow Length =200' Slope= 0.0150 '/' Tc =30.1 min CN =39 Runoff--0.39 cfs 0.130 of Subcatchment7S: TENNIS CTS Runoff Area = 58.248 sf 100.00% Impervious Runoff Depth= 5.39" Tc =10.0 min CN =98 Runoff--9.46 cfs 0.601 of Subcatchment8S: PARKING LOT Runoff Area = 141.249 sf 100.00% Impervious Runoff Depth= 5.39" Tc =10.0 min CN =98 Runoff =22.93 cfs 1.457 of Subcatchment9S: SR. HOUSING Runoff Area =9.000 ac 65.00% Impervious Runoff Depth= 3.16" Tc =20.0 min CN =77 Runoff =31.62 cfs 2.369 of Subcatchment10S: SOFTBALLFIELD Runoff Area = 124.838 sf 0.00% Impervious Runoff Depth = 0.34" Tc =20.0 min CN =39 Runoff--0.29 cfs 0.082 of Subcatchment11S: AREA OF & AROUND Runoff Area= 22.121 sf 100.00% Impervious Runoff Depth = 5.39" Tc =1.0 min CN =98 Runoff =4.74 cfs 0.228 of Subcatchment12S: AREA OF & AROUND Runoff Area = 25.853 sf 100.00% Impervious Runoff Depth= 5.39" Tc =0.0 min CN =98 Runoff =5.66 cfs 0.267 of Subcatchment13S: AREA OF & AROUND Runoff Area= 173,857 sf 0.00% Impervious Runoff Depth =0.34" Tc =1.0 min CN =39 Runoff =1.16 cfs 0.115 of Subcatchment14S: Residual Area Runoff Area =6.000 ac 0.00% Impervious Runoff Depth = 0.34" Tc =10.0 min CN =39 Runoff =0.89 cfs 0.172 of Pond 1P: BASIN 1 Peak EIev= 1,087.26' Storage = 117.866 cf Inflow =65.11 cfs 4.964 of 24.0" Round Culvert x 3.00 n =0.013 L =46.0' S= 0.0000 7' Outflow =35.01 cfs 4.922 of Pond 2P: (new Pond) Peak EIev= 1,086.22' Storage = 106.532 cf Inflow =35.49 cfs 5.189 of 24.0" Round Culvert n =0.013 L= 732.0' S= 0.0041 T Outflow =6.04 cfs 3.470 of Pond 313: BASIN 3 (INFILTRATION) Peak EIev= 1,083.69' Storage = 177.563 cf Inflow =32.94 cfs 5.855 of Outflow =0.81 cfs 4.295 of Total Runoff Area = 41.215 ac Runoff Volume = 7.617 of Average Runoff Depth = 2.22" 58.82% Pervious = 24.243 ac 41.18% Impervious = 16.971 ac College of St. Benedict Type// 24 -hr 100 Year Rainfall =5.63" Prepared by Microsoft Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Page 39 Summary for Subcatchment 4S: STUDENT HOUSING Runoff = 29.93 cfs @ 12.02 hrs, Volume= 1.628 af, Depth= 3.25" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 100 Year Rainfall= 5.63" Area (sf) CN Description 6,823 98 Roofs, HSG A 6,823 98 Roofs, HSG A 6,823 98 Roofs, HSG A 6,823 98 Roofs, HSG A 3,768 98 Roofs, HSG A 143,271 98 Paved parking, HSG A 87,120 39 >75% Grass cover, Good, HSG A 261,451 78 Weighted Average 87,120 33.32% Pervious Area 174,331 66.68% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.0 Direct Entry, Summary for Subcatchment 5S: WELCOME CENTER Runoff = 8.69 cfs @ 12.08 hrs, Volume= 0.567 af, Depth= 2.17' Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 100 Year Rainfall = 5.63" Area (ac) CN Description 0.342 98 Unconnected roofs, HSG A 1.096 98 Paved parking, HSG A 1.700 39 >75% Grass cover, Good, HSG A 3.138 66 Weighted Average 1.700 54.17% Pervious Area 1.438 45.83% Impervious Area 0.342 23.78% Unconnected Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 15.0 Direct Entry, Summary for Subcatchment 6S: SOCCER FIELDS Runoff = 0.39 cfs @ 12.47 hrs, Volume= 0.130 af, Depth= 0.34" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type 11 24 -hr 100 Year Rainfall--5.163" College of St. Benedict Type 11 24 -hr 100 Year Rainfall =5.63" Prepared by Microsoft Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Paae 40 Area (sf) CN Description 197,600 39 >75% Grass cover, Good, HSG A 197,600 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 30.1 200 0.0150 0.11 Sheet Flow, Soccer Fields Grass: Dense n= 0.240 P2= 2.75" Summary for Subcatchment 7S: TENNIS CTS Runoff = 9.46 cfs @ 12.01 hrs, Volume= 0.601 af, Depth= 5.39" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 100 Year Rainfall = 5.63" Area (sf) CN Description 58,248 98 Paved parking, HSG A 58,248 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) ( ft/ft) (ft/sec) (cfs) 10.0 Direct Entry, Summary for Subcatchment 8S: PARKING LOT Runoff = 22.93 cfs @ 12.01 hrs, Volume= 1.457 af, Depth= 5.39" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 100 Year Rainfall = 5.63" Area (sf) CN Description 141,249 98 Paved parking, HSG A 141,249 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) ( ft/ft) ( ft/sec) (cfs) 10.0 Direct Entry, Summary for Subcatchment 9S: SR. HOUSING Runoff = 31.62 cfs @ 12.13 hrs, Volume= 2.369 af, Depth= 3.16" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type 11 24 -hr 100 Year Rainfall= 5.63" College of St. Benedict Type// 24 -hr 100 Year Rainfall =5.63" Prepared by Microsoft Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Paae 41 Area (ac) CN Description 9.000 77 1/8 acre lots, 65% imp, HSG A 3.150 35.00% Pervious Area 5.850 65.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 10S: SOFTBALL FIELD Runoff = 0.29 cfs @ 12.27 hrs, Volume= 0.082 af, Depth= 0.34" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 100 Year Rainfall = 5.63" Area (sf) CN Description 124,838 39 >75% Grass cover, Good, HSG A 124,838 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) ( ft/sec) (cfs) 20.0 Direct Entry, Summary for Subcatchment 11S: AREA OF & AROUND BASIN 1 Runoff = 4.74 cfs @ 11.91 hrs, Volume= 0.228 af, Depth= 5.39" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 100 Year Rainfall = 5.63" Area (sf) CN Description 22,121 98 Water Surface HSG A 22,121 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) ( ft/ft) (ft/sec) (cfs) 1.0 Direct Entry, Summary for Subcatchment 12S: AREA OF & AROUND BASIN 2 Runoff = 5.66 cfs @ 11.90 hrs, Volume= 0.267 af, Depth= 5.39" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type 11 24-hr 100 Year Rainfall =5.63" College of St. Benedict Type 1124 -hr 100 Year Rainfall =5.63" Prepared by Microsoft Printed 7/11/2011 HydroCAD® 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Page 42 Area (sf) CN Description 25,853 98 Water Surface, HSG A 25,853 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) ( ft/ft) (ft/sec) (cfs) 0.0 Direct Entry, Summary for Subcatchment 13S: AREA OF & AROUND BASIN 3 Runoff = 1.16 cfs @ 11.96 hrs, Volume= 0.115 af, Depth= 0.34" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 100 Year Rainfall= 5.63" Area (sf) CN Description 173,857 39 >75% Grass cover, Good, HSG A 173,857 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) ( ft/ft) ( ft/sec) (cfs) 1.0 Direct Entry, Summary for Subcatchment 14S: Residual Area Runoff = 0.89 cfs @ 12.09 hrs, Volume= 0.172 af, Depth= 0.34" Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Type II 24 -hr 100 Year Rainfall= 5.63" Area lac) CN Description 6.000 39 >75% Grass cover, Good HSG A 6.000 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.0 Direct Entry, Summary for Pond 1 P: BASIN 1 Inflow Area = 24.648 ac, 47.87% Impervious, Inflow Depth = 2.42" for 100 Year event Inflow = 65.11 cfs @ 12.05 hrs, Volume= 4.964 of Outflow = 35.01 cfs @ 12.26 hrs, Volume= 4.922 af, Atten= 46 %, Lag= 12.1 min Primary = 35.01 cfs @ 12.26 hrs, Volume= 4.922 of Routing by Sim -Route method, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Starting Elev= 1,085.00' Surf.Area= 22,121 sf Storage= 58,163 cf Peak Elev= 1,087.26'@ 12.26 hrs Surf.Area= 30,998 sf Storage= 117,866 cf (59,703 cf above start) Plug -Flow detention time= 299.3 min calculated for 3.587 of (72% of inflow) College of St. Benedict Type 11 24 -hr 100 Year Rainfall =5.63" Prepared by Microsoft Printed 7/11/2011 HydroCADO 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Page 43 Center -of -Mass det. time= 114.2 min ( 947.8 - 833.6 ) Volume Invert Avail.Storage Storage Description #1 1,081.00' 512,670 cf Custom Stage Data (Irregular )Listed below(Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq -ft) (feet) (cubic -feet) (cubic -feet) (sq -ft) 1,081.00 10,909 474.0 0 0 10,909 1,082.00 12,385 495.0 11,639 11,639 12,599 1,083.00 13,897 514.0 13,134 24,773 14,206 1,084.00 15,487 533.0 14,685 39,458 15,873 1,085.00 22,121 627.0 18,706 58,163 24,570 1,086.00 25,923 673.0 23,997 82,160 29,373 1,087.00 29,936 711.0 27,905 110,066 33,615 1,088.00 34,189 749.0 32,039 142,105 38,090 1,098.00 40,000 800.0 370,565 512,670 48,065 Device Routing Invert Outlet Devices #1 Primary 1,085.00' 24.0" Round Culvert X 3.00 L= 46.0' RCP, mitered to conform to fill, Ke= 0.700 Inlet / Outlet Invert= 1,085.00'/ 1,085.00' S= 0.0000' /' Cc= 0.900 n=0.013, Flow Area= 3.14 sf Primary OutFlow Max =35.01 cfs @ 12.26 hrs HW= 1,087.26' TW= 1,083.80' (Dynamic Tailwater) t-1= Culvert (Barrel Controls 35.01 cfs @ 4.12 fps) Summary for Pond 2P: (new Pond) Inflow Area = 25.241 ac, 49.09% Impervious, Inflow Depth > 2.47" for 100 Year event Inflow = 35.49 cfs @ 12.25 hrs, Volume= 5.189 of Outflow = 6.04 cfs @ 13.25 hrs, Volume= 3.470 af, Atten= 83 %, Lag= 59.9 min Primary = 6.04 cfs @ 13.25 hrs, Volume= 3.470 of Routing by Sim -Route method, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Peak Elev= 1,086.22'@ 13.25 hrs Surf.Area= 29,321 sf Storage= 106,532 cf Plug -Flow detention time= 435.8 min calculated for 3.470 of (67% of inflow) Center -of -Mass det. time= 260.4 min ( 1,197.3 - 936.9 ) Volume Invert Avail.Storage Storage Description #1 1,081.00' 198,032 cf Custom Stage Data (Irregular )Listed below(Recalc) College of St. Benedict Type// 24 -hr 100 Year Rainfall =5.63" Prepared by Microsoft Printed 7/11/2011 HydroCADO 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Page 44 Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq -ft) (feet) (cubic -feet) (cubic -feet) (sq -ft) 1,081.00 14,421 504.0 0 0 14,421 1,082.00 15,950 523.0 15,179 15,179 16,056 1,083.00 17,544 543.0 16,741 31,920 17,835 1,084.00 19,263 565.0 18,397 50,317 19,852 1,085.00 25,853 645.0 22,477 72,794 27,579 1,086.00 28,691 678.0 27,260 100,054 31,116 1,087.00 31,567 704.0 30,118 130,171 34,057 1,088.00 34,589 733.0 33,066 163,238 37,451 1,089.00 35,000 750.0 34,794 198,032 39,589 Device Routing Invert Outlet Devices #1 Primary 1,085.00' 24.0" Round Culvert L= 732.0' RCP, mitered to conform to fill, Ke= 0.700 Inlet / Outlet Invert= 1,085.00'/ 1,082.00' S= 0.00417' Cc= 0.900 n=0.013, Flow Area= 3.14 sf Primary OutFlow Max =6.04 cfs @ 13.25 hrs HW= 1,086.22' TW= 1,082.62' (Dynamic Tailwater) L1 = Culvert (Barrel Controls 6.04 cfs @ 4.30 fps) Summary for Pond 3P: BASIN 3 (INFILTRATION) Inflow Area = 41.215 ac, 41.18% Impervious, Inflow Depth > 1.70" for 100 Year event Inflow = 32.94 cfs @ 12.00 hrs, Volume= 5.855 of Outflow - 0.81 cfs @ 26.14 hrs, Volume= 4.295 af, Atten= 98 %, Lag= 848.2 min Discarded = 0.81 cfs @ 26.14 hrs, Volume= 4.295 of Routing by Sim -Route method, Time Span= 0.01 -72.00 hrs, dt= 0.01 hrs Peak Elev= 1,083.69'@ 26.14 hrs Surf.Area= 111,426 sf Storage= 177,563d Plug -Flow detention time= (not calculated: outflow precedes inflow) Center -of -Mass det. time= 1,252.0 min ( 2,278.8 - 1,026.9 ) Volume Invert Avaii.Storage Storage Description #1 1,082.00' 1,055,794 cf Custom Stage Data (Irregular )Listed below (Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq -ft) (feet) (cubic -feet) (cubic -feet) (sq -ft) 1,082.00 98,479 1,596.0 0 0 98,479 1,083.00 105,833 1,633.0 102,134 102,134 108,122 1,084.00 113,933 1,678.0 109,858 211,992 120,094 1,085.00 122,300 1,724.0 118,092 330,084 132,663 1,086.00 130,893 1,770.0 126,572 456,656 145,572 1,087.00 139,759 1,818.0 135,302 591,958 159,394 1,088.00 148,843 1,867.0 144,277 736,235 173,880 1,089.00 158,294 1,945.0 153,544 889,779 197,618 1,090.00 173,857 2,178.0 166,015 1,055,794 274,093 Device Routing Invert Outlet Devices #1 Discarded 1,082.00' 0.300 in /hr Exfiltration over Wetted area College of St. Benedict Type// 24 -hr 100 Year Rainfall =5.63" Prepared by Microsoft Printed 7111/2011 HydroCADO 9.14 s/n 01280 © 2011 HydroCAD Software Solutions LLC Paae 45 Qiscarded OutRow Max =0.81 cfs @ 26.14 hrs HW= 1,083.69' (Free Discharge) 1= EAltration (EAltration Controls 0.81 cfs)