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111 <br /> Goldfinch Brothers <br /> Drainage Study <br /> June 26,2008 <br /> 7/8/08 10:20:37 am J.C. McDonnell & Associates page 4 <br /> I Goldfinch Brothers <br /> Vault Drainage-Two Orifice Config <br /> 07/08/26/2008 <br /> BASIN SUMMARY <br /> BASIN ID: TSC002 NAME: 2-Year Cleared <br /> SBUH METHODOLOGY <br /> TOTAL AREA • 1.20 Acres BASEFLOWS: 0.00 cfs <br /> RAINFALL TYPE TYPE1A PERV IMP <br /> PRECIPITATION • 1.55 inches AREA. . : 1.20 Acres 0.00 Acres <br /> TIME INTERVAL 10.00 min CN 81.00 0.00 <br /> TC 91.59 min 0.00 min <br /> ABSTRACTION COEFF: 0.20 <br /> TcReach - Sheet L: 300.00 ns:0.4000 p2yr: 1.55 s:0.0125 <br /> I TcReach - Shallow L: 25.00 ks:8.00 s:0.0125 <br /> TcReach - Channel L: 231.00 kc:20.00 s:0.0175 <br /> PEAK RATE: 0.03 cfs VOL: 0.03 Ac-ft TIME: 960 min <br /> • <br /> I/ <br /> 1 <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> 1 21 <br />