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Type. . . . SCS Unit Hyd. Summary <br /> Name. . . . Z-1-01 yTag: WQ+ Event: WQ+ yr <br /> File. . . . . \sample\C15210.PPK <br /> SCS UNIT HYDROGRAPH METHOD <br /> STORM EVENT: WQ+ year storm <br /> Duration = 24.0000 hrs Rain Depth = 1.5000 in <br /> Rain Dir = . \util\ <br /> Rain File -ID = SCSTYPES.RNF - TypeIIl 24hr <br /> Unit Hyd Type = Default Curvilinear <br /> HYG Dir = . \sample\ <br /> HYG File - ID = C'_5210.HYG - •Z-1-01 WQ+ <br /> Tc = .2500 hrs <br /> Drainage Area = 1.650 acres Runoff CN= 98 <br /> -------------------------------------------- <br /> Computational Time Increment = .03333 hrs <br /> Computed Peak Time = 12 .1667 hrs <br /> Computed Peak Flow = 1.70 cfs <br /> Time Increment for HYG File = .0200 ars <br /> Peak Time, Interpolated Output = 12 .1601 hrs <br /> Peak Flow, Interpolated Output = 1. 69 cfs <br /> DRAINAGE AREA <br /> ------------------- <br /> ID:None Selected <br /> CN = 98 <br /> Area = 1. 650 acres <br /> S = .2041 in <br /> 0 .25 = .0408 in <br /> Cumulative Runoff <br /> ------------------ <br /> 1.2801 in <br /> .176 ac-ft <br /> HYG Volume. . . .176 ac-ft (area under HYG curve) <br /> '•• UNIT HYDROGRAPH PARAMETERS ***-• <br /> Time Concentration, Tc = .25000 hrs (ID: None Selected) <br /> Computational Inc=, Tm = .03333 hrs = 0.20000 Tp <br /> Unit Hyd. Shape Factor = 483 .432 (37 .46% under rising limb)' <br /> K = 483 .43✓645 .333, K = .7491 (also, K = 2/ (.1+(Tr/Tp) ) <br /> Receding/Rising, Tr/7' = 1 .6698 (solved from K = .7491) <br /> Unit peak, ap = 7 .48 cfs <br /> Unit peak time Tp = .16667 hrs <br /> Unit receding limb, Tr = .66667 hrs <br /> Total unit time, Tb = . 83333 hrs <br /> Coastal Engineering Co. , Inc. <br /> Pond Pack Ver: 8-01-98 (61) Date: 05-07-2001 <br />