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CAS-08_FOX DEN (5)CITY OF CHANHASSEN 7700 MARKET BLVD CHANHASSEN MN 55317 Payee: 10SPRING INC Date: 02/11/2005 Time: 9:45am Receipt Number: EE / 5847 Clerk: BETTY DEV APP FOX DEN ITEM REFERENCE AMOUNT ------- DEVAP DEV APP FOX DEN USE & VARIANCE 1,140.00 SIGN RENT 75.00 RECORDING FEES 450.00 SIGN ESCROW 100.00 --------------- Total: 1,765.00 Check 9518 1,765.00 --------------- Change: 0.00 THANK YOU FOR YOUR PAYMENT! SCANNED J \SSOCIATES ENGINEERS & LAND SURVEYORS, INC. PROJECT �n1C l J _?� JOBNO. 2--0Li-0'7C7 CALCULATED BY DATE 1 1 2.7 Io SHEET NO. OF 9 WEST DIVISION STREET - BUFFALO, MINN. 55313 - (763) 662-4727 FAX (763) 6823522 51z _ 9Zo �+ss3o _ I � q►Io) I 2- 4 Z138 j I Z L 14 h1o{z2_ �: USi n t♦ h� c�x�Sfi �r ' II�CGe. CITY OF CHA HASSEN E. t RECEL ED _Gi { 0. CoPTI G +y 1 W Cud j cd�'cd -.._ L2 j rov+ed-IIi' -I a- +�,J AA-ve- � ski ,z5� n cl . CHANHASSEN P NNING DEPT { �� pOt'1� did 11 o kaAx�- S { r +0 co ticw ✓1 I` , �' I 100 2_(j'l' !, A-o r ryl V O 1 t 1S 1 oiJ A 1�(J1..1c__AO_ jAf7 W L.1�.�_ 04-0702 Prepared by Otto Associates, Inc. HvdroCAD® 7.00 s/n 003113 n 1 saF- Type H 24-hr 100-year Rainfall=6.00" Page 1 Subcatchment 1S: Existing Runoff = 3.10 cfs @ 12.63 hrs, Volume= 0.445 af, Depth= 1.93" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 100-year Rainfall=6.00" Area (ac) CN Description 0.300 98 Paved parking & roofs 1.000 61 >75% Grass cover, Good, HSG B 1.470 58 Woods/grass comb., Good, HSG B 2.770 63 Weighted Average Tc Length Slope Velocity Capacity Description 50.6 300 0.0250 0.1 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 2.80" 7.5 325 0.0210 0.7 Shallow Concentrated Flow, Woodland Kv= 5.0 fos 58.1 625 Total Subcatchment 2S: Proposed Runoff = 5.55 cfs @ 12.44 hrs, Volume= 0.647 af, Depth= 2.80" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 100-year Rainfall=6.00" Area (ac) CN Description 0.900 98 Paved parking & roofs 0.350 58 Woods/grass comb., Good, HSG B 1.520 61 >75% Grass cover, Good, HSG B 2.770 73 Weighted Average Tc Length Slope Velocity Capacity Description 45.2 300 0.0330 0.1 Sheet Flow, Woods: Light underbrush n= 0.400 P2= 2.80" 0.2 70 0.0100 5.3 6.46 Circular Channel (pipe), Diam= 15.0" Area= 1.2 sf Perim= 3.9' r= 0.31' n= 0.013 45.4 370 Total 04-0702 Type 11 24-hr 10-year Rainfall=4.10" Prepared by Otto Associates, Inc. Page 1 HydroCAD® 7.00 s/n 003113 © 1986-2003 Applied Microcomputer Systems 2/8/2005 Subcatchment 3S: Proposed to Pond Runoff = 24.41 cfs @ 12.08 hrs, Volume= 1.461 af, Depth= 1.45" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 10-year Rainfall=4.10" Area (ac) CN Description 12.090 73 Tc Length Slope Velocity Capacity Description 15.0 Direct Entry, 04-0702 Type Il 24-hr 10-year Rainfall=4.10" Prepared by Otto Associates, Inc. Page 2 HydroCAD® 7.00 s/n 003113 © 1986-2003 Applied Microcomputer Systems 2/8/2005 Pond 1P: Proposed Pond Inflow Area = 12.090 ac, Inflow Depth = 1.45" for 10-year event Inflow = 24.41 cfs @ 12.08 hrs, Volume= 1.461 of Outflow = 9.10 cfs @ 12.31 hrs, Volume= 1.353 af, Atten= 63%, Lag= 13.7 min Primary = 9.10 cfs @ 12.31 hrs, Volume= 1.353 of Routing by Stor-Ind method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 920.68' @ 12.31 hrs Surf.Area= 13,418 sf Storage= 22,115 cf Plug -Flow detention time= 63.6 min calculated for 1.353 of (93% of inflow) Center -of -Mass det. time= 37.9 min ( 845A - 807.2 ) # Invert Avail Storage Storage Description 1 918.90' 48,795 cf Custom Stage Data (Prismatic) Listed below Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 918.90 10,690 0 0 920.00 12,435 12,719 12,719 922.00 15,340 27,775 40,494 922.50 17,865 8,301 48,795 _ # Routing Invert Outlet Devices 1 Primary 918.90' 24.0" x 62.0' long Culvert CMP, end -section conforming to fill, Ke= 0.500 Outlet Invert= 918.44' S= 0.0074 7' n= 0.023 Cc= 0.900 Primary OutFlow Max=9.09 cfs @ 12.31 hrs HW=920.67' (Free Discharge) t1=Culvert (Barrel Controls 9.09 cfs @ 4.1 fps) 04-0702 Type/1 24-hr 100-year Rainfall=6.00" Prepared by Otto Associates, Inc. Page 3 HydroCAD® 7.00 s/n 003113 © 1986-2003 Applied Microcomputer Systems 2/8/2005 Subcatchment 3S: Proposed to Pond Runoff = 47.94 cfs @ 12.07 hrs, Volume= 2.859 af, Depth= 2.84" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hr 100-year Rainfall=6.00" _ Area (ac) CN Description 12.090 73 Tc Length Slope Velocity Capacity Description 15.0 Direct Entry, 04-0702 Prepared by Otto Associates, Inc. HydroCAD® 7.00 s/n 003113 © 198f, Type/1 24-hr 100-year Rainfall=6.00" Page 4 Pond 1P: Proposed Pond Inflow Area = 12.090 ac, Inflow Depth = 2.84" for 100-year event Inflow = 47.94 cfs @ 12.07 hrs, Volume= 2.859 of Outflow = 17.07 cfs @ 12.30 hrs, Volume= 2.721 af, Atten= 64%, Lag= 13.9 min Primary = 17.07 cfs @ 12.30 hrs, Volume= 2.721 of Routing by Stor-Ind method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Peak Elev= 922.24' @ 12.30 hrs Surr.Area= 16,530 sf Storage= 44,407 cf Plug -Flow detention time= 52.9 min calculated for 2.712 of (95% of inflow) Center -of -Mass det. time= 35.4 min ( 828.6 - 793.2 ) # Invert Avail Storage Storage Description 1 918.90, 48,795 cf Custom Stage Data (Prismatic) Listed below Elevation Surf.Area Inc.Store Cum.Store (feet) (sq-ft) (cubic -feet) (cubic -feet) 918.90 10,690 0 0 920.00 12,435 12,719 12,719 922.00 15,340 27,775 40,494 922.50 17,865 8,301 48,795 # Routing Invert Outlet Devices 1 Primary 918.90' 24.0" x 62.0' long Culvert CMP, end -section conforming to fill, Ke= 0.500 Outlet Invert= 918.44' S= 0.0074'P n= 0.023 Cc= 0.900 Primary OutFlow Max=17.06 cfs @ 12.30 hrs HW=922.23' (Free Discharge) t1=Culvert (Barrel Controls 17.06 cfs @ 5.4 fps)