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� Hydrograph Plot <br /> Enplbh <br /> Hyd. No. 1 <br /> Exisdng Condition <br /> Hydrograph type = SBUH Runoff Peak diacharge = 0.04 cfs <br /> Storm frequency = 10 yrs Time interval = 2 min <br /> Drainage area = 0.21 ac Curve number = 85 <br /> Basin Slope = 0.0 �o Hydraulic length = 0 R <br /> Tc method = USER Time of conc. (Tc) = 6.6 min <br /> Total precip; = 2.25 in Distribution Type IA <br /> Stortn duraUon = 24 hrs Shape factor = N/A <br /> Totil Volume�718 cuR <br /> 1 - SBUH Runoff - 10 Yr - Qp = 0.04 cfs <br /> 0.05 <br /> 0.0 <br /> � 0.03 <br /> � / Hyd. 1 <br /> � 0.02 <br /> 0.01 <br /> 0.00 <br /> 0 10 15 20 25 , <br /> Time (hrs) <br />