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<br />, . <br /> <br />, <br />.' . <br /> <br />TR-55 GRAPHICAL DISCHARGE METHOD <br /> <br />Project ROSEDALE" CORPORATE PLAZA <br />County RAMSEY State: MN <br />Subtitle: BUILDING F PROPOSED <br /> <br />VERSION 1.11 <br /> <br />User: dlp <br />Checked: <br /> <br />Data: Drainage Area <br />Runoff Curve Number <br />Time of Concentration: <br />Rainfall Type <br />Pond and Swamp Area <br /> <br />3.4 * Acres <br />82 :>I: <br />0.67 * Hours <br />II <br />.068 Acres <br /> <br />Date: 05-14-91 <br />Date: <br /> <br />2.0 % of Drainage Area <br /> <br />========================================================================= <br /> <br />: Storm Number : 1 <br /> <br />:----------------------:------ <br /> <br />: Frequency (yrs) t 1 <br />I <br />I <br />: 24-Hr Rainfall (in) <br />, <br /> <br />2 : 3 : 4 <br /> <br />------:------:------ <br /> <br />2 ::-. : 10 <br />I I <br />I I <br />2.75 : 3.55 : 4.15 <br />t I <br />I I <br />0.16 : 0.12 : 0.11 <br />I t I <br />I I I <br />0.18 : 0.16 : 0.12 : 0.11 <br />I I I <br />I I I I <br />: 0.93 : 1.19 : 1.82 : 2.33 <br />I I t I <br />I I I I <br />:0.654 :0.669 :0.692 :0.703 <br />I I t I <br />I I I 1 <br />I I t I <br />I I I I <br />Pond and Swamp Factor: 0.75 : 0.75 : 0.75 : 0.75 <br />I 3.0% Ponds Used: : : : <br /> <br />:----------------------:------:------:------:------ <br /> <br />: Peak Discharge (cfs): 2: 2: 3: 4 <br /> <br />2.4 <br /> <br />Ia/P Ratio <br /> <br />0.18 <br /> <br />Used <br /> <br />Runoff (in) <br /> <br />Unit Peak Discharge <br />(cfs/acre/in) <br /> <br />5 : 6 : 7 : <br /> <br />------:-----_1------1 <br /> <br />25 50 100: <br />, <br />I <br />4.75 5.3 5.9: <br />I <br />I <br />0.09 0.08 0.07: <br />I <br />I <br />0.10 0.10 0.10: <br />I <br />I <br /> <br />I 2.86 <br />t <br />I <br />'0.706 <br /> <br />3.35 <br /> <br />3.90 <br /> <br />1 <br />I <br />:0.706 <br />I <br />I <br />I <br />I <br />0.75 : 0.75 <br />I <br />I <br />------,------ <br />I <br />5 : <br /> <br />0.706 <br /> <br />0.75 <br /> <br />------ <br /> <br />6 <br /> <br />7 <br /> <br />========================================================================= <br /> <br />* - Value(s) provided from TR-55 system routines <br /> <br />" ......,..,.,,'...;""~'..;.-~..:'~ <br /> <br />~~_........_..................-..,...'" . ~ <br />