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11/23/97 Jaeger Engineering page 2 <br />Storkson Short Plat <br />Drainage Analysis <br />Predeveloped Hydrographs <br />--------------------------------------------------------------------- <br />BASIN SUMMARY <br />BASIN ID: A2 NAME: Predeveloped, 2 year <br />SBUH METHODOLOGY <br />TOTAL AREA.......: 5.57 Acres BASEFLOWS: 0,00 cfs <br />RAINFALL TYPE....: TYPEJA PERVIOUS AREA <br />PRECIPITATION....: 1.55 inches AREA..: 4.2 Acres <br />TIME INTERVAL....: 10.00 min CN....: 82.27 <br />TIME OF CONC.....: 88.13 min IMPERVIOUS AREA <br />ABSTRACTION COEFF: 0.20 AREA..: 1.05 Acres <br />CN....: 98.00 <br />TcReach - Sheet L: 300.00 ns:0.4000 p2yr: 1.55 s:0.0137 <br />TcReach - Shallow L: 150.00 ks:9.00 s:0.0273 <br />PEAK RATE: 0.25 cfs VOL: 0.26 AC-ft TIME: 540 min <br />BASIN ID: A25 <br />SBUH METHODOLOGY <br />TOTAL AREA.......: <br />RAINFALL TYPE....: <br />PRECIPITATION....: <br />TIME INTERVAL....: <br />TIME OF CONC.....: <br />ABSTRACTION COEFF: <br />NAME: Predeveloped, 25 year <br />5.57 Acres <br />TYPElA <br />2.60 inches <br />10.00 min <br />88.13 min <br />0.20 <br />TcReach - Sheet L: 300.00 ns:0 <br />TcReach - Shallow L: 150.00 ks:9 <br />PEAK RATE: 0.69 cfs VOL: 0. <br />BASEFLOWS: 0.00 cfs <br />PERVIOUS AREA <br />AREA..: 4.52 Acres <br />CN....: 82.27 <br />IMPERVIOUS AREA <br />AREA..: 1.05 Acres <br />CN....: 98.00 <br />.4000 p2yr: 1.55 s:0.0137 <br />.00 s:0.0273 <br />62 Ac-ft TIME: 520 min <br />