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<br />TR-55 GRAPHICAL DISCHARGE METHOD <br /> <br />VERSION 1.11 <br /> <br />'roject HEALY <br />:ounty RAMSEY <br />5ubtitle: ORIG PAVING <br /> <br />Data: Drainage Area <br />Runoff Curve Number <br />Time of Concentration: <br />Rainfall Type <br />Pond and Swamp Area <br /> <br />State: MN <br /> <br />User: SO <br />Checked: W' <br /> <br />Date: 02-04-98 <br />Date: 2-4- 9? <br /> <br />. . <br /> <br />1.79 Acres <br />84 <br />0.19 * Hours <br />II <br />NONE <br /> <br />------------------------------------------------------------------------- <br />------------------------------------------------------------------------- <br /> <br />: Storm Number : 1 : 2 : 3 : ' 4 : 5 : 6 : 7 : <br /> <br />1______________________1______1______1______1______,_____~,______I______, <br />: : 1 : 2 : 5 : 1 0: ~\.: 50: : <br />1 Frequency (yrs) I , I I ,25 ir 1 1 100 I <br />I I I I 1 , ''''.' 1 1 1 <br />I I I I I 1 '; I , 1 <br />TR-55 GRAPHICAL DISCHARGE METHOD VERSION 1.11 <br /> <br />:)roject : HEALY <br />~ounty RAMSEY <br />5ubtitle: ORIG PAVING <br /> <br />Data: Drainage Area <br />Runoff Curve Number : <br />Time of Concentration: <br />Rainfall Type <br />Pond and Swamp Area <br /> <br />State: MN <br /> <br />User: SO <br />Checked: <br /> <br />Date: 02-04-98 <br />Date: <br /> <br />1.79 Acres <br />84 <br />O. 19 * Hou rs <br />II <br />NONE <br /> <br />------------------------------------------------------------------------ <br />------------------------------------------------------------------------ <br /> <br />Storm Number 1 2 3 4 ,5, 6 7 1 <br /> 1 <br />---------------------- ------ ------ ------ ------ ------ ------ ______1 <br />Frequency (yrs) 1 2 5 10 25 50 100 <br />24-Hr Rainfall (in) 2.4 2.75 3.55 4.15 4.75 5.3 5.9 <br />Ia/P Ratio 0.16 0.14 O. 11 0.09 0.08 0.07 0.06 <br /> <br />0.10 <br />3.55 ~ <br />1. 228 1. 244 1. 269 1. 275 1. 275 1. 275 : 1. 275 <br />I <br />I <br />1 <br />1 <br />1 . 00 : 1. 00 <br />0.0% Ponds Used : <br /> <br />,---------------------- ------ ------ ------ ------ ------ ------:--~---- <br /> <br />: Peak Di scharge (efs) 2 3: 4 6 7 8:. 9 . <br />======================================================~=============----- ~ <br /> <br />Used <br /> <br />0.16 <br /> <br />Runoff (in) <br /> <br />1.04 <br /> <br />Unit Peak Discharge <br />(cfs/acre/in) <br /> <br />Pond and Swamp Factor <br /> <br />1 .00 <br /> <br />0.14 <br /> <br />0.10 <br /> <br />0.10 <br /> <br />0.10 <br /> <br />0.11 <br /> <br />1. 31 <br /> <br />2.50 <br /> <br />3.04 <br /> <br />1 .98 <br /> <br />1 .00 <br /> <br />1. 00 <br /> <br />1 .00 <br /> <br />1.00 <br /> <br />* - Value(s) provided from TR-55 system routines <br />