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HydroCAD Reports - CompiledE1 EXISTING AREA 1 E2 EXISTING AREA 2 E3 EXISTING AREA 3 Routing Diagram for 15139 Existing 2015-01-09 Trial Prepared by {enter your company name here}, Printed 1/28/2015 HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Subcat Reach Pond Link 15139 Existing 2015-01-09 Trial Printed 1/28/2015Prepared by {enter your company name here} Page 2HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Area Listing (all nodes) Area (acres) CN Description (subcatchment-numbers) 8.644 89 Row crops, straight row, Good, HSG D (E1, E2, E3) 8.644 89 TOTAL AREA 15139 Existing 2015-01-09 Trial Printed 1/28/2015Prepared by {enter your company name here} Page 3HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Soil Listing (all nodes) Area (acres) Soil Group Subcatchment Numbers 0.000 HSG A 0.000 HSG B 0.000 HSG C 8.644 HSG D E1, E2, E3 0.000 Other 8.644 TOTAL AREA 15139 Existing 2015-01-09 Trial Printed 1/28/2015Prepared by {enter your company name here} Page 4HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Ground Covers (all nodes) HSG-A (acres) HSG-B (acres) HSG-C (acres) HSG-D (acres) Other (acres) Total (acres) Ground Cover Subcatchment Numbers 0.000 0.000 0.000 8.644 0.000 8.644 Row crops, straight row, Good E1, E2, E3 0.000 0.000 0.000 8.644 0.000 8.644 TOTAL AREA ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87"15139 Existing 2015-01-09 Trial Printed 1/28/2015Prepared by {enter your company name here} Page 5HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Summary for Subcatchment E1: EXISTING AREA 1 Runoff = 7.10 cfs @ 12.14 hrs, Volume= 0.506 af, Depth= 1.78" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87" Area (ac) CN Description 3.404 89 Row crops, straight row, Good, HSG D 3.404 89 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 13.7 Direct Entry, Summary for Subcatchment E2: EXISTING AREA 2 Runoff = 8.84 cfs @ 12.10 hrs, Volume= 0.561 af, Depth= 1.78" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87" Area (ac) CN Description 3.777 89 Row crops, straight row, Good, HSG D 3.777 89 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.6 Direct Entry, Summary for Subcatchment E3: EXISTING AREA 3 Runoff = 3.21 cfs @ 12.12 hrs, Volume= 0.217 af, Depth= 1.78" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87" Area (ac) CN Description 1.463 89 Row crops, straight row, Good, HSG D 1.463 89 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 12.3 Direct Entry, ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26"15139 Existing 2015-01-09 Trial Printed 1/28/2015Prepared by {enter your company name here} Page 6HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Summary for Subcatchment E1: EXISTING AREA 1 Runoff = 12.52 cfs @ 12.14 hrs, Volume= 0.870 af, Depth= 3.07" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26" Area (ac) CN Description 3.404 89 Row crops, straight row, Good, HSG D 3.404 89 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 13.7 Direct Entry, Summary for Subcatchment E2: EXISTING AREA 2 Runoff = 15.56 cfs @ 12.10 hrs, Volume= 0.966 af, Depth= 3.07" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26" Area (ac) CN Description 3.777 89 Row crops, straight row, Good, HSG D 3.777 89 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.6 Direct Entry, Summary for Subcatchment E3: EXISTING AREA 3 Runoff = 5.66 cfs @ 12.12 hrs, Volume= 0.374 af, Depth= 3.07" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26" Area (ac) CN Description 1.463 89 Row crops, straight row, Good, HSG D 1.463 89 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 12.3 Direct Entry, ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38"15139 Existing 2015-01-09 Trial Printed 1/28/2015Prepared by {enter your company name here} Page 7HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Summary for Subcatchment E1: EXISTING AREA 1 Runoff = 23.06 cfs @ 12.13 hrs, Volume= 1.725 af, Depth= 6.08" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38" Area (ac) CN Description 3.404 89 Row crops, straight row, Good, HSG D 3.404 89 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 13.7 Direct Entry, Summary for Subcatchment E2: EXISTING AREA 2 Runoff = 28.45 cfs @ 12.09 hrs, Volume= 1.914 af, Depth= 6.08" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38" Area (ac) CN Description 3.777 89 Row crops, straight row, Good, HSG D 3.777 89 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.6 Direct Entry, Summary for Subcatchment E3: EXISTING AREA 3 Runoff = 10.38 cfs @ 12.12 hrs, Volume= 0.741 af, Depth= 6.08" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38" Area (ac) CN Description 1.463 89 Row crops, straight row, Good, HSG D 1.463 89 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 12.3 Direct Entry, E1 EXISTING AREA 1 E2 EXISTING AREA 2 E3 EXISTING AREA 3 Routing Diagram for 15139 Existing 2015-01-09 Trial Prepared by {enter your company name here}, Printed 1/28/2015 HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Subcat Reach Pond Link 15139 Existing 2015-01-09 Trial Printed 1/28/2015Prepared by {enter your company name here} Page 2HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Area Listing (all nodes) Area (acres) CN Description (subcatchment-numbers) 8.644 89 Row crops, straight row, Good, HSG D (E1, E2, E3) 8.644 89 TOTAL AREA 15139 Existing 2015-01-09 Trial Printed 1/28/2015Prepared by {enter your company name here} Page 3HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Soil Listing (all nodes) Area (acres) Soil Group Subcatchment Numbers 0.000 HSG A 0.000 HSG B 0.000 HSG C 8.644 HSG D E1, E2, E3 0.000 Other 8.644 TOTAL AREA 15139 Existing 2015-01-09 Trial Printed 1/28/2015Prepared by {enter your company name here} Page 4HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Ground Covers (all nodes) HSG-A (acres) HSG-B (acres) HSG-C (acres) HSG-D (acres) Other (acres) Total (acres) Ground Cover Subcatchment Numbers 0.000 0.000 0.000 8.644 0.000 8.644 Row crops, straight row, Good E1, E2, E3 0.000 0.000 0.000 8.644 0.000 8.644 TOTAL AREA ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87"15139 Existing 2015-01-09 Trial Printed 1/28/2015Prepared by {enter your company name here} Page 5HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Summary for Subcatchment E1: EXISTING AREA 1 Runoff = 7.10 cfs @ 12.14 hrs, Volume= 0.506 af, Depth= 1.78" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87" Area (ac) CN Description 3.404 89 Row crops, straight row, Good, HSG D 3.404 89 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 13.7 Direct Entry, Summary for Subcatchment E2: EXISTING AREA 2 Runoff = 8.84 cfs @ 12.10 hrs, Volume= 0.561 af, Depth= 1.78" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87" Area (ac) CN Description 3.777 89 Row crops, straight row, Good, HSG D 3.777 89 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.6 Direct Entry, Summary for Subcatchment E3: EXISTING AREA 3 Runoff = 3.21 cfs @ 12.12 hrs, Volume= 0.217 af, Depth= 1.78" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87" Area (ac) CN Description 1.463 89 Row crops, straight row, Good, HSG D 1.463 89 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 12.3 Direct Entry, ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26"15139 Existing 2015-01-09 Trial Printed 1/28/2015Prepared by {enter your company name here} Page 6HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Summary for Subcatchment E1: EXISTING AREA 1 Runoff = 12.52 cfs @ 12.14 hrs, Volume= 0.870 af, Depth= 3.07" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26" Area (ac) CN Description 3.404 89 Row crops, straight row, Good, HSG D 3.404 89 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 13.7 Direct Entry, Summary for Subcatchment E2: EXISTING AREA 2 Runoff = 15.56 cfs @ 12.10 hrs, Volume= 0.966 af, Depth= 3.07" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26" Area (ac) CN Description 3.777 89 Row crops, straight row, Good, HSG D 3.777 89 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.6 Direct Entry, Summary for Subcatchment E3: EXISTING AREA 3 Runoff = 5.66 cfs @ 12.12 hrs, Volume= 0.374 af, Depth= 3.07" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26" Area (ac) CN Description 1.463 89 Row crops, straight row, Good, HSG D 1.463 89 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 12.3 Direct Entry, ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38"15139 Existing 2015-01-09 Trial Printed 1/28/2015Prepared by {enter your company name here} Page 7HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Summary for Subcatchment E1: EXISTING AREA 1 Runoff = 23.06 cfs @ 12.13 hrs, Volume= 1.725 af, Depth= 6.08" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38" Area (ac) CN Description 3.404 89 Row crops, straight row, Good, HSG D 3.404 89 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 13.7 Direct Entry, Summary for Subcatchment E2: EXISTING AREA 2 Runoff = 28.45 cfs @ 12.09 hrs, Volume= 1.914 af, Depth= 6.08" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38" Area (ac) CN Description 3.777 89 Row crops, straight row, Good, HSG D 3.777 89 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 10.6 Direct Entry, Summary for Subcatchment E3: EXISTING AREA 3 Runoff = 10.38 cfs @ 12.12 hrs, Volume= 0.741 af, Depth= 6.08" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38" Area (ac) CN Description 1.463 89 Row crops, straight row, Good, HSG D 1.463 89 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 12.3 Direct Entry, PROPOSED AREA 1 PROPOSED AREA 1 PROPOSED AREA 2 PROPOSED AREA 2 PROPOSED AREA 3 PROPOSED AREA 3 PROPOSED AREA 4 PROPOSED AREA 4 PROPOSED AREA 5 PROPOSED AREA 5 PROPOSED AREA 6 PROPOSED AREA 6 PROPOSED AREA 7 PROPOSED AREA 7 1P Filtration Basin #4 2P Filtration Basin #5 3P Filtration Basin #1 5P Filtration Basin #2 6P Filtration Basin #3 Routing Diagram for 15139 Proposed 2015-01-23 Prepared by {enter your company name here}, Printed 1/28/2015 HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Subcat Reach Pond Link 15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 2HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Area Listing (all nodes) Area (acres) CN Description (subcatchment-numbers) 4.800 80 >75% Grass cover, Good, HSG D (PROPOSED AREA 1, PROPOSED AREA 2, PROPOSED AREA 3, PROPOSED AREA 4, PROPOSED AREA 5, PROPOSED AREA 6, PROPOSED AREA 7) 3.842 98 Roofs, HSG D (PROPOSED AREA 1, PROPOSED AREA 2, PROPOSED AREA 3, PROPOSED AREA 4, PROPOSED AREA 5, PROPOSED AREA 6, PROPOSED AREA 7) 8.642 88 TOTAL AREA 15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 3HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Soil Listing (all nodes) Area (acres) Soil Group Subcatchment Numbers 0.000 HSG A 0.000 HSG B 0.000 HSG C 8.642 HSG D PROPOSED AREA 1, PROPOSED AREA 2, PROPOSED AREA 3, PROPOSED AREA 4, PROPOSED AREA 5, PROPOSED AREA 6, PROPOSED AREA 7 0.000 Other 8.642 TOTAL AREA 15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 5HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Ground Covers (all nodes) (continued) HSG-A (acres) HSG-B (acres) HSG-C (acres) HSG-D (acres) Other (acres) Total (acres) Ground Cover Subcatchment Numbers 0.000 0.000 0.000 8.642 0.000 8.642 TOTAL AREA 100-year snowmelt chanhassen 100-year snowmelt Rainfall=7.20", AMC=415139 Proposed 201 Printed 1/28/2015Prepared by {enter your company name here} Page 18HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Summary for Subcatchment PROPOSED AREA 1: PROPOSED AREA 1 Runoff = 0.36 cfs @ 120.00 hrs, Volume= 0.431 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-280.00 hrs, dt= 0.01 hrs 100-year snowmelt chanhassen 100-year snowmelt Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.711 80 >75% Grass cover, Good, HSG D 0.033 98 Roofs, HSG D 0.744 81 98 Weighted Average, AMC Adjusted 0.711 80 98 95.60% Pervious Area, AMC Adjusted 0.033 98 98 4.40% Impervious Area, AMC Adjusted Summary for Subcatchment PROPOSED AREA 2: PROPOSED AREA 2 Runoff = 1.65 cfs @ 120.00 hrs, Volume= 1.979 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-280.00 hrs, dt= 0.01 hrs 100-year snowmelt chanhassen 100-year snowmelt Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 1.440 80 >75% Grass cover, Good, HSG D 1.971 98 Roofs, HSG D 3.411 90 98 Weighted Average, AMC Adjusted 1.440 80 98 42.21% Pervious Area, AMC Adjusted 1.971 98 98 57.79% Impervious Area, AMC Adjusted Summary for Subcatchment PROPOSED AREA 3: PROPOSED AREA 3 Runoff = 0.48 cfs @ 120.00 hrs, Volume= 0.574 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-280.00 hrs, dt= 0.01 hrs 100-year snowmelt chanhassen 100-year snowmelt Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.551 80 >75% Grass cover, Good, HSG D 0.438 98 Roofs, HSG D 0.989 88 98 Weighted Average, AMC Adjusted 0.551 80 98 55.73% Pervious Area, AMC Adjusted 0.438 98 98 44.27% Impervious Area, AMC Adjusted Summary for Subcatchment PROPOSED AREA 4: PROPOSED AREA 4 Runoff = 0.40 cfs @ 120.00 hrs, Volume= 0.484 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-280.00 hrs, dt= 0.01 hrs 100-year snowmelt chanhassen 100-year snowmelt Rainfall=7.20", AMC=4 100-year snowmelt chanhassen 100-year snowmelt Rainfall=7.20", AMC=415139 Proposed 201 Printed 1/28/2015Prepared by {enter your company name here} Page 19HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Area (ac) CN Adj Description 0.690 80 >75% Grass cover, Good, HSG D 0.144 98 Roofs, HSG D 0.834 83 98 Weighted Average, AMC Adjusted 0.690 80 98 82.71% Pervious Area, AMC Adjusted 0.144 98 98 17.29% Impervious Area, AMC Adjusted Summary for Subcatchment PROPOSED AREA 5: PROPOSED AREA 5 Runoff = 0.26 cfs @ 120.00 hrs, Volume= 0.312 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-280.00 hrs, dt= 0.01 hrs 100-year snowmelt chanhassen 100-year snowmelt Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.234 80 >75% Grass cover, Good, HSG D 0.304 98 Roofs, HSG D 0.538 90 98 Weighted Average, AMC Adjusted 0.234 80 98 43.49% Pervious Area, AMC Adjusted 0.304 98 98 56.51% Impervious Area, AMC Adjusted Summary for Subcatchment PROPOSED AREA 6: PROPOSED AREA 6 Runoff = 0.92 cfs @ 120.00 hrs, Volume= 1.104 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-280.00 hrs, dt= 0.01 hrs 100-year snowmelt chanhassen 100-year snowmelt Rainfall=7.20", AMC=4 Area (sf) CN Adj Description 43,721 80 >75% Grass cover, Good, HSG D 39,189 98 Roofs, HSG D 82,911 89 98 Weighted Average, AMC Adjusted 43,721 80 98 52.73% Pervious Area, AMC Adjusted 39,189 98 98 47.27% Impervious Area, AMC Adjusted Summary for Subcatchment PROPOSED AREA 7: PROPOSED AREA 7 Runoff = 0.11 cfs @ 120.00 hrs, Volume= 0.129 af, Depth= 6.96" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-280.00 hrs, dt= 0.01 hrs 100-year snowmelt chanhassen 100-year snowmelt Rainfall=7.20", AMC=4 Area (ac) CN Adj Description 0.171 80 >75% Grass cover, Good, HSG D 0.052 98 Roofs, HSG D 0.223 84 98 Weighted Average, AMC Adjusted 0.171 80 98 76.54% Pervious Area, AMC Adjusted 0.052 98 98 23.46% Impervious Area, AMC Adjusted 100-year snowmelt chanhassen 100-year snowmelt Rainfall=7.20", AMC=415139 Proposed 201 Printed 1/28/2015Prepared by {enter your company name here} Page 20HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Summary for Pond 1P: Filtration Basin #4 Inflow Area = 0.538 ac, 56.51% Impervious, Inflow Depth = 6.96" for 100-year snowmelt event Inflow = 0.26 cfs @ 120.00 hrs, Volume= 0.312 af Outflow = 0.26 cfs @ 120.03 hrs, Volume= 0.312 af, Atten= 1%, Lag= 1.7 min Primary = 0.26 cfs @ 120.03 hrs, Volume= 0.312 af Routing by Dyn-Stor-Ind method, Time Span= 0.01-280.00 hrs, dt= 0.01 hrs / 4 Peak Elev= 912.56' @ 120.03 hrs Surf.Area= 777 sf Storage= 363 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 91.6 min ( 7,513.2 - 7,421.6 ) Volume Invert Avail.Storage Storage Description #1 912.00' 2,887 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 912.00 520 0 0 913.00 979 750 750 914.00 1,580 1,280 2,029 914.50 1,851 858 2,887 Device Routing Invert Outlet Devices #1 Primary 907.25'12.0" Round Culvert L= 82.0' CMP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 907.25' / 906.92' S= 0.0040 '/' Cc= 0.900 n= 0.013 Concrete pipe, straight & clean, Flow Area= 0.79 sf #2 Device 1 912.50'19.1" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Device 1 912.00'1.000 in/hr Exfiltration over Surface area Primary OutFlow Max=0.26 cfs @ 120.03 hrs HW=912.56' TW=907.90' (Dynamic Tailwater) 1=Culvert (Passes 0.26 cfs of 6.73 cfs potential flow) 2=Orifice/Grate (Weir Controls 0.24 cfs @ 0.80 fps) 3=Exfiltration (Exfiltration Controls 0.02 cfs) Summary for Pond 2P: Filtration Basin #5 Inflow Area = 2.441 ac, 49.30% Impervious, Inflow Depth = 9.34" for 100-year snowmelt event Inflow = 1.28 cfs @ 120.00 hrs, Volume= 1.900 af Outflow = 1.25 cfs @ 120.11 hrs, Volume= 1.900 af, Atten= 2%, Lag= 6.5 min Primary = 1.09 cfs @ 120.11 hrs, Volume= 0.336 af Secondary = 0.16 cfs @ 120.11 hrs, Volume= 1.564 af Routing by Dyn-Stor-Ind method, Time Span= 0.01-280.00 hrs, dt= 0.01 hrs / 4 Peak Elev= 907.90' @ 120.11 hrs Surf.Area= 7,059 sf Storage= 7,331 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 196.4 min ( 7,655.1 - 7,458.7 ) 100-year snowmelt chanhassen 100-year snowmelt Rainfall=7.20", AMC=415139 Proposed 201 Printed 1/28/2015Prepared by {enter your company name here} Page 21HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Volume Invert Avail.Storage Storage Description #1 906.70' 11,855 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 906.70 4,962 0 0 907.00 5,699 1,599 1,599 908.00 7,212 6,456 8,055 908.50 7,989 3,800 11,855 Device Routing Invert Outlet Devices #1 Primary 907.80'15.0' long x 5.0' 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 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 #2 Secondary 906.70'1.000 in/hr Exfiltration over Surface area Primary OutFlow Max=1.09 cfs @ 120.11 hrs HW=907.90' (Free Discharge) 1=Broad-Crested Rectangular Weir (Weir Controls 1.09 cfs @ 0.73 fps) Secondary OutFlow Max=0.16 cfs @ 120.11 hrs HW=907.90' (Free Discharge) 2=Exfiltration (Exfiltration Controls 0.16 cfs) Summary for Pond 3P: Filtration Basin #1 Inflow Area = 3.411 ac, 57.79% Impervious, Inflow Depth = 6.96" for 100-year snowmelt event Inflow = 1.65 cfs @ 120.00 hrs, Volume= 1.979 af Outflow = 1.60 cfs @ 120.11 hrs, Volume= 1.979 af, Atten= 3%, Lag= 6.7 min Primary = 1.60 cfs @ 120.11 hrs, Volume= 1.979 af Routing by Dyn-Stor-Ind method, Time Span= 0.01-280.00 hrs, dt= 0.01 hrs / 4 Peak Elev= 906.78' @ 120.11 hrs Surf.Area= 6,251 sf Storage= 11,842 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 451.1 min ( 7,872.7 - 7,421.6 ) Volume Invert Avail.Storage Storage Description #1 904.50' 24,014 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 904.50 3,886 0 0 905.00 4,680 2,142 2,142 906.00 5,528 5,104 7,246 907.00 6,454 5,991 13,237 908.00 7,423 6,939 20,175 908.50 7,933 3,839 24,014 100-year snowmelt chanhassen 100-year snowmelt Rainfall=7.20", AMC=415139 Proposed 201 Printed 1/28/2015Prepared by {enter your company name here} Page 22HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 895.25'12.0" Round Culvert L= 50.0' CMP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 895.25' / 895.00' S= 0.0050 '/' Cc= 0.900 n= 0.013 Concrete pipe, straight & clean, Flow Area= 0.79 sf #2 Device 1 906.65'36.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Device 1 904.50'1.000 in/hr Exfiltration over Surface area Primary OutFlow Max=1.60 cfs @ 120.11 hrs HW=906.78' (Free Discharge) 1=Culvert (Passes 1.60 cfs of 11.81 cfs potential flow) 2=Orifice/Grate (Weir Controls 1.45 cfs @ 1.18 fps) 3=Exfiltration (Exfiltration Controls 0.14 cfs) Summary for Pond 5P: Filtration Basin #2 Inflow Area = 0.989 ac, 44.27% Impervious, Inflow Depth = 6.96" for 100-year snowmelt event Inflow = 0.48 cfs @ 120.00 hrs, Volume= 0.574 af Outflow = 0.09 cfs @ 124.70 hrs, Volume= 0.574 af, Atten= 81%, Lag= 281.7 min Primary = 0.00 cfs @ 0.01 hrs, Volume= 0.000 af Secondary = 0.09 cfs @ 124.70 hrs, Volume= 0.574 af Routing by Dyn-Stor-Ind method, Time Span= 0.01-280.00 hrs, dt= 0.01 hrs / 4 Peak Elev= 918.89' @ 124.70 hrs Surf.Area= 4,001 sf Storage= 4,589 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 245.7 min ( 7,667.4 - 7,421.6 ) Volume Invert Avail.Storage Storage Description #1 917.50' 9,169 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 917.50 2,368 0 0 918.00 3,207 1,394 1,394 919.00 4,103 3,655 5,049 919.90 5,054 4,121 9,169 Device Routing Invert Outlet Devices #1 Primary 919.50'10.0' long x 5.0' 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 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 #2 Secondary 917.50'1.000 in/hr Exfiltration over Surface area Primary OutFlow Max=0.00 cfs @ 0.01 hrs HW=917.50' (Free Discharge) 1=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Secondary OutFlow Max=0.09 cfs @ 124.70 hrs HW=918.89' (Free Discharge) 2=Exfiltration (Exfiltration Controls 0.09 cfs) 100-year snowmelt chanhassen 100-year snowmelt Rainfall=7.20", AMC=415139 Proposed 201 Printed 1/28/2015Prepared by {enter your company name here} Page 23HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Summary for Pond 6P: Filtration Basin #3 Inflow Area = 0.834 ac, 17.29% Impervious, Inflow Depth = 6.96" for 100-year snowmelt event Inflow = 0.40 cfs @ 120.00 hrs, Volume= 0.484 af Outflow = 0.11 cfs @ 123.06 hrs, Volume= 0.484 af, Atten= 72%, Lag= 183.4 min Primary = 0.00 cfs @ 0.01 hrs, Volume= 0.000 af Secondary = 0.11 cfs @ 123.06 hrs, Volume= 0.484 af Routing by Dyn-Stor-Ind method, Time Span= 0.01-280.00 hrs, dt= 0.01 hrs / 4 Peak Elev= 912.12' @ 123.06 hrs Surf.Area= 4,920 sf Storage= 2,710 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 86.5 min ( 7,508.2 - 7,421.6 ) Volume Invert Avail.Storage Storage Description #1 911.50' 14,155 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 911.50 3,742 0 0 912.00 4,777 2,130 2,130 913.00 5,968 5,373 7,502 914.00 7,338 6,653 14,155 Device Routing Invert Outlet Devices #1 Secondary 911.50'1.000 in/hr Exfiltration over Surface area #2 Primary 913.50'7.0' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=0.00 cfs @ 0.01 hrs HW=911.50' (Free Discharge) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Secondary OutFlow Max=0.11 cfs @ 123.06 hrs HW=912.12' TW=907.84' (Dynamic Tailwater) 1=Exfiltration (Exfiltration Controls 0.11 cfs) PROPOSED AREA 1 PROPOSED AREA 1 PROPOSED AREA 2 PROPOSED AREA 2 PROPOSED AREA 3 PROPOSED AREA 3 PROPOSED AREA 4 PROPOSED AREA 4 PROPOSED AREA 5 PROPOSED AREA 5 PROPOSED AREA 6 PROPOSED AREA 6 PROPOSED AREA 7 PROPOSED AREA 7 1P Filtration Basin #4 2P Filtration Basin #5 3P Filtration Basin #1 5P Filtration Basin #2 6P Filtration Basin #3 Routing Diagram for 15139 Proposed 2015-01-23 Prepared by {enter your company name here}, Printed 1/28/2015 HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Subcat Reach Pond Link 15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 2HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Area Listing (all nodes) Area (acres) CN Description (subcatchment-numbers) 4.800 80 >75% Grass cover, Good, HSG D (PROPOSED AREA 1, PROPOSED AREA 2, PROPOSED AREA 3, PROPOSED AREA 4, PROPOSED AREA 5, PROPOSED AREA 6, PROPOSED AREA 7) 3.842 98 Roofs, HSG D (PROPOSED AREA 1, PROPOSED AREA 2, PROPOSED AREA 3, PROPOSED AREA 4, PROPOSED AREA 5, PROPOSED AREA 6, PROPOSED AREA 7) 8.642 88 TOTAL AREA 15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 3HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Soil Listing (all nodes) Area (acres) Soil Group Subcatchment Numbers 0.000 HSG A 0.000 HSG B 0.000 HSG C 8.642 HSG D PROPOSED AREA 1, PROPOSED AREA 2, PROPOSED AREA 3, PROPOSED AREA 4, PROPOSED AREA 5, PROPOSED AREA 6, PROPOSED AREA 7 0.000 Other 8.642 TOTAL AREA 15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 4HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Ground Covers (all nodes) HSG-A (acres) HSG-B (acres) HSG-C (acres) HSG-D (acres) Other (acres) Total (acres) Ground Cover Subcatchment Numbers 0.000 0.000 0.000 4.800 0.000 4.800 >75% Grass cover, Good PROPO SED AREA 1, PROPO SED AREA 2, PROPO SED AREA 3, PROPO SED AREA 4, PROPO SED AREA 5, PROPO SED AREA 6, PROPO SED AREA 7 0.000 0.000 0.000 3.842 0.000 3.842 Roofs PROPO SED AREA 1, PROPO SED AREA 2, PROPO SED AREA 3, PROPO SED AREA 4, PROPO SED AREA 15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 5HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Ground Covers (all nodes) (continued) HSG-A (acres) HSG-B (acres) HSG-C (acres) HSG-D (acres) Other (acres) Total (acres) Ground Cover Subcatchment Numbers 0.000 0.000 0.000 8.642 0.000 8.642 TOTAL AREA ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87"15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 6HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Summary for Subcatchment PROPOSED AREA 1: PROPOSED AREA 1 Runoff = 1.86 cfs @ 11.99 hrs, Volume= 0.076 af, Depth= 1.22" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87" Area (ac) CN Description 0.711 80 >75% Grass cover, Good, HSG D 0.033 98 Roofs, HSG D 0.744 81 Weighted Average 0.711 80 95.60% Pervious Area 0.033 98 4.40% Impervious Area Summary for Subcatchment PROPOSED AREA 2: PROPOSED AREA 2 Runoff = 12.35 cfs @ 11.99 hrs, Volume= 0.572 af, Depth= 2.01" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87" Area (ac) CN Description 1.440 80 >75% Grass cover, Good, HSG D 1.971 98 Roofs, HSG D 3.411 90 Weighted Average 1.440 80 42.21% Pervious Area 1.971 98 57.79% Impervious Area Summary for Subcatchment PROPOSED AREA 3: PROPOSED AREA 3 Runoff = 3.28 cfs @ 11.99 hrs, Volume= 0.149 af, Depth= 1.81" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87" Area (ac) CN Description 0.551 80 >75% Grass cover, Good, HSG D 0.438 98 Roofs, HSG D 0.989 88 Weighted Average 0.551 80 55.73% Pervious Area 0.438 98 44.27% Impervious Area Summary for Subcatchment PROPOSED AREA 4: PROPOSED AREA 4 Runoff = 2.34 cfs @ 11.99 hrs, Volume= 0.098 af, Depth= 1.41" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87" ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87"15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 7HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Area (ac) CN Description 0.690 80 >75% Grass cover, Good, HSG D 0.144 98 Roofs, HSG D 0.834 83 Weighted Average 0.690 80 82.71% Pervious Area 0.144 98 17.29% Impervious Area Summary for Subcatchment PROPOSED AREA 5: PROPOSED AREA 5 Runoff = 1.93 cfs @ 11.99 hrs, Volume= 0.089 af, Depth= 1.99" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87" Area (ac) CN Description 0.234 80 >75% Grass cover, Good, HSG D 0.304 98 Roofs, HSG D 0.538 90 Weighted Average 0.234 80 43.49% Pervious Area 0.304 98 56.51% Impervious Area Summary for Subcatchment PROPOSED AREA 6: PROPOSED AREA 6 Runoff = 6.45 cfs @ 11.99 hrs, Volume= 0.294 af, Depth= 1.86" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87" Area (sf) CN Description 43,721 80 >75% Grass cover, Good, HSG D 39,189 98 Roofs, HSG D 82,911 89 Weighted Average 43,721 80 52.73% Pervious Area 39,189 98 47.27% Impervious Area Summary for Subcatchment PROPOSED AREA 7: PROPOSED AREA 7 Runoff = 0.66 cfs @ 11.99 hrs, Volume= 0.028 af, Depth= 1.50" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87" Area (ac) CN Description 0.171 80 >75% Grass cover, Good, HSG D 0.052 98 Roofs, HSG D 0.223 84 Weighted Average 0.171 80 76.54% Pervious Area 0.052 98 23.46% Impervious Area ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87"15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 8HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Summary for Pond 1P: Filtration Basin #4 Inflow Area = 0.538 ac, 56.51% Impervious, Inflow Depth = 1.99" for 2-yr event Inflow = 1.93 cfs @ 11.99 hrs, Volume= 0.089 af Outflow = 1.89 cfs @ 11.99 hrs, Volume= 0.089 af, Atten= 2%, Lag= 0.0 min Primary = 1.89 cfs @ 11.99 hrs, Volume= 0.089 af Routing by Dyn-Stor-Ind method, Time Span= 0.01-80.00 hrs, dt= 0.01 hrs / 4 Peak Elev= 912.74' @ 11.99 hrs Surf.Area= 857 sf Storage= 506 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 79.0 min ( 852.4 - 773.4 ) Volume Invert Avail.Storage Storage Description #1 912.00' 2,887 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 912.00 520 0 0 913.00 979 750 750 914.00 1,580 1,280 2,029 914.50 1,851 858 2,887 Device Routing Invert Outlet Devices #1 Primary 907.25'12.0" Round Culvert L= 82.0' CMP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 907.25' / 906.92' S= 0.0040 '/' Cc= 0.900 n= 0.013 Concrete pipe, straight & clean, Flow Area= 0.79 sf #2 Device 1 912.50'19.1" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Device 1 912.00'1.000 in/hr Exfiltration over Surface area Primary OutFlow Max=1.87 cfs @ 11.99 hrs HW=912.73' TW=907.54' (Dynamic Tailwater) 1=Culvert (Passes 1.87 cfs of 6.85 cfs potential flow) 2=Orifice/Grate (Weir Controls 1.85 cfs @ 1.58 fps) 3=Exfiltration (Exfiltration Controls 0.02 cfs) Summary for Pond 2P: Filtration Basin #5 Inflow Area = 2.441 ac, 49.30% Impervious, Inflow Depth = 2.37" for 2-yr event Inflow = 8.43 cfs @ 11.99 hrs, Volume= 0.482 af Outflow = 1.58 cfs @ 12.40 hrs, Volume= 0.482 af, Atten= 81%, Lag= 24.4 min Primary = 1.42 cfs @ 12.40 hrs, Volume= 0.123 af Secondary = 0.16 cfs @ 12.40 hrs, Volume= 0.359 af Routing by Dyn-Stor-Ind method, Time Span= 0.01-80.00 hrs, dt= 0.01 hrs / 4 Peak Elev= 907.92' @ 12.40 hrs Surf.Area= 7,088 sf Storage= 7,468 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 343.9 min ( 1,176.7 - 832.7 ) ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87"15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 9HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Volume Invert Avail.Storage Storage Description #1 906.70' 11,855 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 906.70 4,962 0 0 907.00 5,699 1,599 1,599 908.00 7,212 6,456 8,055 908.50 7,989 3,800 11,855 Device Routing Invert Outlet Devices #1 Primary 907.80'15.0' long x 5.0' 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 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 #2 Secondary 906.70'1.000 in/hr Exfiltration over Surface area Primary OutFlow Max=1.42 cfs @ 12.40 hrs HW=907.92' (Free Discharge) 1=Broad-Crested Rectangular Weir (Weir Controls 1.42 cfs @ 0.80 fps) Secondary OutFlow Max=0.16 cfs @ 12.40 hrs HW=907.92' (Free Discharge) 2=Exfiltration (Exfiltration Controls 0.16 cfs) Summary for Pond 3P: Filtration Basin #1 Inflow Area = 3.411 ac, 57.79% Impervious, Inflow Depth = 2.01" for 2-yr event Inflow = 12.35 cfs @ 11.99 hrs, Volume= 0.572 af Outflow = 2.18 cfs @ 12.39 hrs, Volume= 0.572 af, Atten= 82%, Lag= 23.9 min Primary = 2.18 cfs @ 12.39 hrs, Volume= 0.572 af Routing by Dyn-Stor-Ind method, Time Span= 0.01-80.00 hrs, dt= 0.01 hrs / 4 Peak Elev= 906.81' @ 12.39 hrs Surf.Area= 6,281 sf Storage= 12,048 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 609.6 min ( 1,382.1 - 772.5 ) Volume Invert Avail.Storage Storage Description #1 904.50' 24,014 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 904.50 3,886 0 0 905.00 4,680 2,142 2,142 906.00 5,528 5,104 7,246 907.00 6,454 5,991 13,237 908.00 7,423 6,939 20,175 908.50 7,933 3,839 24,014 ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87"15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 10HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 895.25'12.0" Round Culvert L= 50.0' CMP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 895.25' / 895.00' S= 0.0050 '/' Cc= 0.900 n= 0.013 Concrete pipe, straight & clean, Flow Area= 0.79 sf #2 Device 1 906.65'36.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Device 1 904.50'1.000 in/hr Exfiltration over Surface area Primary OutFlow Max=2.18 cfs @ 12.39 hrs HW=906.81' (Free Discharge) 1=Culvert (Passes 2.18 cfs of 11.83 cfs potential flow) 2=Orifice/Grate (Weir Controls 2.03 cfs @ 1.32 fps) 3=Exfiltration (Exfiltration Controls 0.15 cfs) Summary for Pond 5P: Filtration Basin #2 Inflow Area = 0.989 ac, 44.27% Impervious, Inflow Depth = 1.81" for 2-yr event Inflow = 3.28 cfs @ 11.99 hrs, Volume= 0.149 af Outflow = 0.09 cfs @ 14.01 hrs, Volume= 0.149 af, Atten= 97%, Lag= 121.2 min Primary = 0.00 cfs @ 0.01 hrs, Volume= 0.000 af Secondary = 0.09 cfs @ 14.01 hrs, Volume= 0.149 af Routing by Dyn-Stor-Ind method, Time Span= 0.01-80.00 hrs, dt= 0.01 hrs / 4 Peak Elev= 918.62' @ 14.01 hrs Surf.Area= 3,760 sf Storage= 3,544 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 401.8 min ( 1,183.9 - 782.1 ) Volume Invert Avail.Storage Storage Description #1 917.50' 9,169 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 917.50 2,368 0 0 918.00 3,207 1,394 1,394 919.00 4,103 3,655 5,049 919.90 5,054 4,121 9,169 Device Routing Invert Outlet Devices #1 Primary 919.50'10.0' long x 5.0' 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 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 #2 Secondary 917.50'1.000 in/hr Exfiltration over Surface area Primary OutFlow Max=0.00 cfs @ 0.01 hrs HW=917.50' (Free Discharge) 1=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Secondary OutFlow Max=0.09 cfs @ 14.01 hrs HW=918.62' (Free Discharge) 2=Exfiltration (Exfiltration Controls 0.09 cfs) ChanhassenMissionHills 24-hr S1 2-yr Rainfall=2.87"15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 11HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Summary for Pond 6P: Filtration Basin #3 Inflow Area = 0.834 ac, 17.29% Impervious, Inflow Depth = 1.41" for 2-yr event Inflow = 2.34 cfs @ 11.99 hrs, Volume= 0.098 af Outflow = 0.11 cfs @ 13.00 hrs, Volume= 0.098 af, Atten= 95%, Lag= 61.0 min Primary = 0.00 cfs @ 0.01 hrs, Volume= 0.000 af Secondary = 0.11 cfs @ 13.00 hrs, Volume= 0.098 af Routing by Dyn-Stor-Ind method, Time Span= 0.01-80.00 hrs, dt= 0.01 hrs / 4 Peak Elev= 911.97' @ 13.00 hrs Surf.Area= 4,705 sf Storage= 1,966 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 164.5 min ( 973.8 - 809.3 ) Volume Invert Avail.Storage Storage Description #1 911.50' 14,155 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 911.50 3,742 0 0 912.00 4,777 2,130 2,130 913.00 5,968 5,373 7,502 914.00 7,338 6,653 14,155 Device Routing Invert Outlet Devices #1 Secondary 911.50'1.000 in/hr Exfiltration over Surface area #2 Primary 913.50'7.0' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=0.00 cfs @ 0.01 hrs HW=911.50' (Free Discharge) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Secondary OutFlow Max=0.11 cfs @ 13.00 hrs HW=911.97' TW=907.85' (Dynamic Tailwater) 1=Exfiltration (Exfiltration Controls 0.11 cfs) ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26"15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 12HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Summary for Subcatchment PROPOSED AREA 1: PROPOSED AREA 1 Runoff = 3.67 cfs @ 11.99 hrs, Volume= 0.145 af, Depth= 2.34" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26" Area (ac) CN Description 0.711 80 >75% Grass cover, Good, HSG D 0.033 98 Roofs, HSG D 0.744 81 Weighted Average 0.711 80 95.60% Pervious Area 0.033 98 4.40% Impervious Area Summary for Subcatchment PROPOSED AREA 2: PROPOSED AREA 2 Runoff = 20.55 cfs @ 11.99 hrs, Volume= 0.932 af, Depth= 3.28" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26" Area (ac) CN Description 1.440 80 >75% Grass cover, Good, HSG D 1.971 98 Roofs, HSG D 3.411 90 Weighted Average 1.440 80 42.21% Pervious Area 1.971 98 57.79% Impervious Area Summary for Subcatchment PROPOSED AREA 3: PROPOSED AREA 3 Runoff = 5.65 cfs @ 11.99 hrs, Volume= 0.251 af, Depth= 3.04" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26" Area (ac) CN Description 0.551 80 >75% Grass cover, Good, HSG D 0.438 98 Roofs, HSG D 0.989 88 Weighted Average 0.551 80 55.73% Pervious Area 0.438 98 44.27% Impervious Area Summary for Subcatchment PROPOSED AREA 4: PROPOSED AREA 4 Runoff = 4.24 cfs @ 11.99 hrs, Volume= 0.178 af, Depth= 2.56" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26" ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26"15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 13HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Area (ac) CN Description 0.690 80 >75% Grass cover, Good, HSG D 0.144 98 Roofs, HSG D 0.834 83 Weighted Average 0.690 80 82.71% Pervious Area 0.144 98 17.29% Impervious Area Summary for Subcatchment PROPOSED AREA 5: PROPOSED AREA 5 Runoff = 3.23 cfs @ 11.99 hrs, Volume= 0.146 af, Depth= 3.26" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26" Area (ac) CN Description 0.234 80 >75% Grass cover, Good, HSG D 0.304 98 Roofs, HSG D 0.538 90 Weighted Average 0.234 80 43.49% Pervious Area 0.304 98 56.51% Impervious Area Summary for Subcatchment PROPOSED AREA 6: PROPOSED AREA 6 Runoff = 11.00 cfs @ 11.99 hrs, Volume= 0.491 af, Depth= 3.09" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26" Area (sf) CN Description 43,721 80 >75% Grass cover, Good, HSG D 39,189 98 Roofs, HSG D 82,911 89 Weighted Average 43,721 80 52.73% Pervious Area 39,189 98 47.27% Impervious Area Summary for Subcatchment PROPOSED AREA 7: PROPOSED AREA 7 Runoff = 1.17 cfs @ 11.99 hrs, Volume= 0.050 af, Depth= 2.67" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26" Area (ac) CN Description 0.171 80 >75% Grass cover, Good, HSG D 0.052 98 Roofs, HSG D 0.223 84 Weighted Average 0.171 80 76.54% Pervious Area 0.052 98 23.46% Impervious Area ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26"15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 14HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Summary for Pond 1P: Filtration Basin #4 Inflow Area = 0.538 ac, 56.51% Impervious, Inflow Depth = 3.26" for 10-yr event Inflow = 3.23 cfs @ 11.99 hrs, Volume= 0.146 af Outflow = 3.19 cfs @ 11.99 hrs, Volume= 0.146 af, Atten= 1%, Lag= 0.0 min Primary = 3.19 cfs @ 11.99 hrs, Volume= 0.146 af Routing by Dyn-Stor-Ind method, Time Span= 0.01-80.00 hrs, dt= 0.01 hrs / 4 Peak Elev= 912.83' @ 11.99 hrs Surf.Area= 903 sf Storage= 594 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 55.4 min ( 820.3 - 764.9 ) Volume Invert Avail.Storage Storage Description #1 912.00' 2,887 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 912.00 520 0 0 913.00 979 750 750 914.00 1,580 1,280 2,029 914.50 1,851 858 2,887 Device Routing Invert Outlet Devices #1 Primary 907.25'12.0" Round Culvert L= 82.0' CMP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 907.25' / 906.92' S= 0.0040 '/' Cc= 0.900 n= 0.013 Concrete pipe, straight & clean, Flow Area= 0.79 sf #2 Device 1 912.50'19.1" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Device 1 912.00'1.000 in/hr Exfiltration over Surface area Primary OutFlow Max=3.16 cfs @ 11.99 hrs HW=912.83' TW=908.12' (Dynamic Tailwater) 1=Culvert (Passes 3.16 cfs of 6.78 cfs potential flow) 2=Orifice/Grate (Weir Controls 3.14 cfs @ 1.89 fps) 3=Exfiltration (Exfiltration Controls 0.02 cfs) Summary for Pond 2P: Filtration Basin #5 Inflow Area = 2.441 ac, 49.30% Impervious, Inflow Depth = 4.00" for 10-yr event Inflow = 14.29 cfs @ 11.99 hrs, Volume= 0.815 af Outflow = 8.19 cfs @ 12.01 hrs, Volume= 0.815 af, Atten= 43%, Lag= 1.1 min Primary = 8.02 cfs @ 12.01 hrs, Volume= 0.382 af Secondary = 0.17 cfs @ 12.01 hrs, Volume= 0.433 af Routing by Dyn-Stor-Ind method, Time Span= 0.01-80.00 hrs, dt= 0.01 hrs / 4 Peak Elev= 908.16' @ 12.01 hrs Surf.Area= 7,462 sf Storage= 9,233 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 257.8 min ( 1,119.9 - 862.2 ) ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26"15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 15HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Volume Invert Avail.Storage Storage Description #1 906.70' 11,855 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 906.70 4,962 0 0 907.00 5,699 1,599 1,599 908.00 7,212 6,456 8,055 908.50 7,989 3,800 11,855 Device Routing Invert Outlet Devices #1 Primary 907.80'15.0' long x 5.0' 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 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 #2 Secondary 906.70'1.000 in/hr Exfiltration over Surface area Primary OutFlow Max=8.00 cfs @ 12.01 hrs HW=908.16' (Free Discharge) 1=Broad-Crested Rectangular Weir (Weir Controls 8.00 cfs @ 1.48 fps) Secondary OutFlow Max=0.17 cfs @ 12.01 hrs HW=908.16' (Free Discharge) 2=Exfiltration (Exfiltration Controls 0.17 cfs) Summary for Pond 3P: Filtration Basin #1 Inflow Area = 3.411 ac, 57.79% Impervious, Inflow Depth = 3.28" for 10-yr event Inflow = 20.55 cfs @ 11.99 hrs, Volume= 0.932 af Outflow = 12.04 cfs @ 12.00 hrs, Volume= 0.932 af, Atten= 41%, Lag= 0.6 min Primary = 12.04 cfs @ 12.00 hrs, Volume= 0.932 af Routing by Dyn-Stor-Ind method, Time Span= 0.01-80.00 hrs, dt= 0.01 hrs / 4 Peak Elev= 907.21' @ 12.00 hrs Surf.Area= 6,658 sf Storage= 14,619 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 406.6 min ( 1,170.7 - 764.1 ) Volume Invert Avail.Storage Storage Description #1 904.50' 24,014 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 904.50 3,886 0 0 905.00 4,680 2,142 2,142 906.00 5,528 5,104 7,246 907.00 6,454 5,991 13,237 908.00 7,423 6,939 20,175 908.50 7,933 3,839 24,014 ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26"15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 16HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 895.25'12.0" Round Culvert L= 50.0' CMP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 895.25' / 895.00' S= 0.0050 '/' Cc= 0.900 n= 0.013 Concrete pipe, straight & clean, Flow Area= 0.79 sf #2 Device 1 906.65'36.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Device 1 904.50'1.000 in/hr Exfiltration over Surface area Primary OutFlow Max=12.04 cfs @ 12.00 hrs HW=907.21' (Free Discharge) 1=Culvert (Barrel Controls 12.04 cfs @ 15.33 fps) 2=Orifice/Grate (Passes < 12.86 cfs potential flow) 3=Exfiltration (Passes < 0.15 cfs potential flow) Summary for Pond 5P: Filtration Basin #2 Inflow Area = 0.989 ac, 44.27% Impervious, Inflow Depth = 3.04" for 10-yr event Inflow = 5.65 cfs @ 11.99 hrs, Volume= 0.251 af Outflow = 0.10 cfs @ 14.80 hrs, Volume= 0.251 af, Atten= 98%, Lag= 168.9 min Primary = 0.00 cfs @ 0.01 hrs, Volume= 0.000 af Secondary = 0.10 cfs @ 14.80 hrs, Volume= 0.251 af Routing by Dyn-Stor-Ind method, Time Span= 0.01-80.00 hrs, dt= 0.01 hrs / 4 Peak Elev= 919.41' @ 14.80 hrs Surf.Area= 4,535 sf Storage= 6,816 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 667.4 min ( 1,440.2 - 772.8 ) Volume Invert Avail.Storage Storage Description #1 917.50' 9,169 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 917.50 2,368 0 0 918.00 3,207 1,394 1,394 919.00 4,103 3,655 5,049 919.90 5,054 4,121 9,169 Device Routing Invert Outlet Devices #1 Primary 919.50'10.0' long x 5.0' 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 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 #2 Secondary 917.50'1.000 in/hr Exfiltration over Surface area Primary OutFlow Max=0.00 cfs @ 0.01 hrs HW=917.50' (Free Discharge) 1=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Secondary OutFlow Max=0.10 cfs @ 14.80 hrs HW=919.41' (Free Discharge) 2=Exfiltration (Exfiltration Controls 0.10 cfs) ChanhassenMissionHills 24-hr S1 10-yr Rainfall=4.26"15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 17HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Summary for Pond 6P: Filtration Basin #3 Inflow Area = 0.834 ac, 17.29% Impervious, Inflow Depth = 2.56" for 10-yr event Inflow = 4.24 cfs @ 11.99 hrs, Volume= 0.178 af Outflow = 0.12 cfs @ 13.70 hrs, Volume= 0.178 af, Atten= 97%, Lag= 102.5 min Primary = 0.00 cfs @ 0.01 hrs, Volume= 0.000 af Secondary = 0.12 cfs @ 13.70 hrs, Volume= 0.178 af Routing by Dyn-Stor-Ind method, Time Span= 0.01-80.00 hrs, dt= 0.01 hrs / 4 Peak Elev= 912.44' @ 13.70 hrs Surf.Area= 5,298 sf Storage= 4,333 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 353.3 min ( 1,148.2 - 795.0 ) Volume Invert Avail.Storage Storage Description #1 911.50' 14,155 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 911.50 3,742 0 0 912.00 4,777 2,130 2,130 913.00 5,968 5,373 7,502 914.00 7,338 6,653 14,155 Device Routing Invert Outlet Devices #1 Secondary 911.50'1.000 in/hr Exfiltration over Surface area #2 Primary 913.50'7.0' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=0.00 cfs @ 0.01 hrs HW=911.50' (Free Discharge) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Secondary OutFlow Max=0.12 cfs @ 13.70 hrs HW=912.44' TW=907.85' (Dynamic Tailwater) 1=Exfiltration (Exfiltration Controls 0.12 cfs) ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38"15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 18HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Summary for Subcatchment PROPOSED AREA 1: PROPOSED AREA 1 Runoff = 7.06 cfs @ 11.99 hrs, Volume= 0.319 af, Depth= 5.14" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38" Area (ac) CN Description 0.711 80 >75% Grass cover, Good, HSG D 0.033 98 Roofs, HSG D 0.744 81 Weighted Average 0.711 80 95.60% Pervious Area 0.033 98 4.40% Impervious Area Summary for Subcatchment PROPOSED AREA 2: PROPOSED AREA 2 Runoff = 35.98 cfs @ 11.99 hrs, Volume= 1.779 af, Depth= 6.26" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38" Area (ac) CN Description 1.440 80 >75% Grass cover, Good, HSG D 1.971 98 Roofs, HSG D 3.411 90 Weighted Average 1.440 80 42.21% Pervious Area 1.971 98 57.79% Impervious Area Summary for Subcatchment PROPOSED AREA 3: PROPOSED AREA 3 Runoff = 10.17 cfs @ 11.99 hrs, Volume= 0.492 af, Depth= 5.97" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38" Area (ac) CN Description 0.551 80 >75% Grass cover, Good, HSG D 0.438 98 Roofs, HSG D 0.989 88 Weighted Average 0.551 80 55.73% Pervious Area 0.438 98 44.27% Impervious Area Summary for Subcatchment PROPOSED AREA 4: PROPOSED AREA 4 Runoff = 8.13 cfs @ 11.99 hrs, Volume= 0.376 af, Depth= 5.41" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38" ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38"15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 19HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Area (ac) CN Description 0.690 80 >75% Grass cover, Good, HSG D 0.144 98 Roofs, HSG D 0.834 83 Weighted Average 0.690 80 82.71% Pervious Area 0.144 98 17.29% Impervious Area Summary for Subcatchment PROPOSED AREA 5: PROPOSED AREA 5 Runoff = 5.66 cfs @ 11.99 hrs, Volume= 0.279 af, Depth= 6.23" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38" Area (ac) CN Description 0.234 80 >75% Grass cover, Good, HSG D 0.304 98 Roofs, HSG D 0.538 90 Weighted Average 0.234 80 43.49% Pervious Area 0.304 98 56.51% Impervious Area Summary for Subcatchment PROPOSED AREA 6: PROPOSED AREA 6 Runoff = 19.68 cfs @ 11.99 hrs, Volume= 0.957 af, Depth= 6.04" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38" Area (sf) CN Description 43,721 80 >75% Grass cover, Good, HSG D 39,189 98 Roofs, HSG D 82,911 89 Weighted Average 43,721 80 52.73% Pervious Area 39,189 98 47.27% Impervious Area Summary for Subcatchment PROPOSED AREA 7: PROPOSED AREA 7 Runoff = 2.20 cfs @ 11.99 hrs, Volume= 0.103 af, Depth= 5.54" Runoff by SCS TR-20 method, UH=SCS, Split Pervious/Imperv., Time Span= 0.01-80.00 hrs, dt= 0.01 hrs ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38" Area (ac) CN Description 0.171 80 >75% Grass cover, Good, HSG D 0.052 98 Roofs, HSG D 0.223 84 Weighted Average 0.171 80 76.54% Pervious Area 0.052 98 23.46% Impervious Area ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38"15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 20HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Summary for Pond 1P: Filtration Basin #4 Inflow Area = 0.538 ac, 56.51% Impervious, Inflow Depth = 6.23" for 100-yr event Inflow = 5.66 cfs @ 11.99 hrs, Volume= 0.279 af Outflow = 5.65 cfs @ 11.99 hrs, Volume= 0.279 af, Atten= 0%, Lag= 0.0 min Primary = 5.65 cfs @ 11.99 hrs, Volume= 0.279 af Routing by Dyn-Stor-Ind method, Time Span= 0.01-80.00 hrs, dt= 0.01 hrs / 4 Peak Elev= 912.99' @ 11.99 hrs Surf.Area= 975 sf Storage= 741 cf Plug-Flow detention time= 35.1 min calculated for 0.279 af (100% of inflow) Center-of-Mass det. time= 35.2 min ( 791.5 - 756.3 ) Volume Invert Avail.Storage Storage Description #1 912.00' 2,887 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 912.00 520 0 0 913.00 979 750 750 914.00 1,580 1,280 2,029 914.50 1,851 858 2,887 Device Routing Invert Outlet Devices #1 Primary 907.25'12.0" Round Culvert L= 82.0' CMP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 907.25' / 906.92' S= 0.0040 '/' Cc= 0.900 n= 0.013 Concrete pipe, straight & clean, Flow Area= 0.79 sf #2 Device 1 912.50'19.1" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Device 1 912.00'1.000 in/hr Exfiltration over Surface area Primary OutFlow Max=5.60 cfs @ 11.99 hrs HW=912.99' TW=908.46' (Dynamic Tailwater) 1=Culvert (Passes 5.60 cfs of 6.64 cfs potential flow) 2=Orifice/Grate (Weir Controls 5.58 cfs @ 2.29 fps) 3=Exfiltration (Exfiltration Controls 0.02 cfs) Summary for Pond 2P: Filtration Basin #5 Inflow Area = 2.441 ac, 49.30% Impervious, Inflow Depth = 7.93" for 100-yr event Inflow = 25.43 cfs @ 11.99 hrs, Volume= 1.612 af Outflow = 22.47 cfs @ 12.00 hrs, Volume= 1.613 af, Atten= 12%, Lag= 0.3 min Primary = 22.28 cfs @ 12.00 hrs, Volume= 1.000 af Secondary = 0.18 cfs @ 12.00 hrs, Volume= 0.613 af Routing by Dyn-Stor-Ind method, Time Span= 0.01-80.00 hrs, dt= 0.01 hrs / 4 Peak Elev= 908.47' @ 12.00 hrs Surf.Area= 7,947 sf Storage= 11,637 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 197.5 min ( 1,134.7 - 937.2 ) ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38"15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 21HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Volume Invert Avail.Storage Storage Description #1 906.70' 11,855 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 906.70 4,962 0 0 907.00 5,699 1,599 1,599 908.00 7,212 6,456 8,055 908.50 7,989 3,800 11,855 Device Routing Invert Outlet Devices #1 Primary 907.80'15.0' long x 5.0' 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 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 #2 Secondary 906.70'1.000 in/hr Exfiltration over Surface area Primary OutFlow Max=22.13 cfs @ 12.00 hrs HW=908.47' (Free Discharge) 1=Broad-Crested Rectangular Weir (Weir Controls 22.13 cfs @ 2.20 fps) Secondary OutFlow Max=0.18 cfs @ 12.00 hrs HW=908.47' (Free Discharge) 2=Exfiltration (Exfiltration Controls 0.18 cfs) Summary for Pond 3P: Filtration Basin #1 Inflow Area = 3.411 ac, 57.79% Impervious, Inflow Depth = 6.26" for 100-yr event Inflow = 35.98 cfs @ 11.99 hrs, Volume= 1.779 af Outflow = 12.68 cfs @ 12.10 hrs, Volume= 1.779 af, Atten= 65%, Lag= 6.7 min Primary = 12.68 cfs @ 12.10 hrs, Volume= 1.779 af Routing by Dyn-Stor-Ind method, Time Span= 0.01-80.00 hrs, dt= 0.01 hrs / 4 Peak Elev= 908.43' @ 12.10 hrs Surf.Area= 7,862 sf Storage= 23,465 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 235.4 min ( 991.0 - 755.6 ) Volume Invert Avail.Storage Storage Description #1 904.50' 24,014 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 904.50 3,886 0 0 905.00 4,680 2,142 2,142 906.00 5,528 5,104 7,246 907.00 6,454 5,991 13,237 908.00 7,423 6,939 20,175 908.50 7,933 3,839 24,014 ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38"15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 22HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Device Routing Invert Outlet Devices #1 Primary 895.25'12.0" Round Culvert L= 50.0' CMP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 895.25' / 895.00' S= 0.0050 '/' Cc= 0.900 n= 0.013 Concrete pipe, straight & clean, Flow Area= 0.79 sf #2 Device 1 906.65'36.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads #3 Device 1 904.50'1.000 in/hr Exfiltration over Surface area Primary OutFlow Max=12.68 cfs @ 12.10 hrs HW=908.43' (Free Discharge) 1=Culvert (Barrel Controls 12.68 cfs @ 16.15 fps) 2=Orifice/Grate (Passes < 45.41 cfs potential flow) 3=Exfiltration (Passes < 0.18 cfs potential flow) Summary for Pond 5P: Filtration Basin #2 Inflow Area = 0.989 ac, 44.27% Impervious, Inflow Depth = 5.97" for 100-yr event Inflow = 10.17 cfs @ 11.99 hrs, Volume= 0.492 af Outflow = 3.99 cfs @ 12.10 hrs, Volume= 0.492 af, Atten= 61%, Lag= 6.4 min Primary = 3.88 cfs @ 12.10 hrs, Volume= 0.189 af Secondary = 0.11 cfs @ 12.10 hrs, Volume= 0.304 af Routing by Dyn-Stor-Ind method, Time Span= 0.01-80.00 hrs, dt= 0.01 hrs / 4 Peak Elev= 919.80' @ 12.10 hrs Surf.Area= 4,943 sf Storage= 8,646 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 448.0 min ( 1,211.3 - 763.4 ) Volume Invert Avail.Storage Storage Description #1 917.50' 9,169 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 917.50 2,368 0 0 918.00 3,207 1,394 1,394 919.00 4,103 3,655 5,049 919.90 5,054 4,121 9,169 Device Routing Invert Outlet Devices #1 Primary 919.50'10.0' long x 5.0' 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 5.00 5.50 Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65 2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88 #2 Secondary 917.50'1.000 in/hr Exfiltration over Surface area Primary OutFlow Max=3.86 cfs @ 12.10 hrs HW=919.79' (Free Discharge) 1=Broad-Crested Rectangular Weir (Weir Controls 3.86 cfs @ 1.31 fps) Secondary OutFlow Max=0.11 cfs @ 12.10 hrs HW=919.79' (Free Discharge) 2=Exfiltration (Exfiltration Controls 0.11 cfs) ChanhassenMissionHills 24-hr S1 100-yr Rainfall=7.38"15139 Proposed 2015-01-23 Printed 1/28/2015Prepared by {enter your company name here} Page 23HydroCAD® 10.00-13 s/n 01655 © 2014 HydroCAD Software Solutions LLC Summary for Pond 6P: Filtration Basin #3 Inflow Area = 0.834 ac, 17.29% Impervious, Inflow Depth = 5.41" for 100-yr event Inflow = 8.13 cfs @ 11.99 hrs, Volume= 0.376 af Outflow = 0.15 cfs @ 15.00 hrs, Volume= 0.376 af, Atten= 98%, Lag= 180.6 min Primary = 0.00 cfs @ 0.01 hrs, Volume= 0.000 af Secondary = 0.15 cfs @ 15.00 hrs, Volume= 0.376 af Routing by Dyn-Stor-Ind method, Time Span= 0.01-80.00 hrs, dt= 0.01 hrs / 4 Peak Elev= 913.48' @ 15.00 hrs Surf.Area= 6,619 sf Storage= 10,494 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 711.5 min ( 1,492.7 - 781.2 ) Volume Invert Avail.Storage Storage Description #1 911.50' 14,155 cf Custom Stage Data (Prismatic) Listed below (Recalc) Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic-feet) (cubic-feet) 911.50 3,742 0 0 912.00 4,777 2,130 2,130 913.00 5,968 5,373 7,502 914.00 7,338 6,653 14,155 Device Routing Invert Outlet Devices #1 Secondary 911.50'1.000 in/hr Exfiltration over Surface area #2 Primary 913.50'7.0' long x 10.0' breadth Broad-Crested Rectangular Weir Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64 Primary OutFlow Max=0.00 cfs @ 0.01 hrs HW=911.50' (Free Discharge) 2=Broad-Crested Rectangular Weir ( Controls 0.00 cfs) Secondary OutFlow Max=0.15 cfs @ 15.00 hrs HW=913.48' TW=907.86' (Dynamic Tailwater) 1=Exfiltration (Exfiltration Controls 0.15 cfs)