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9/6/97 6:0:30 pm Barghausen Engineers page 1 <br />HOME BASE EVERETT, WA <br />TEMPORARY EROSION CONTROL POND <br />5947TESC <br />�azs:zovzzzzzzm::zzzzszzzzszazzzssaxzv=zzazs-cc=e=zazzzxzzzzzszsszzzz <br />BASIN SUMMARY <br />BASIN ID: POST25 <br />NAME: 25YR/24HR POST -DEVELOPED <br />SBUH METHODOLOGY <br />TOTAL AREA.......: <br />9.80 Acres BASEFLOWS: 0.00 cfs <br />RAINFALL TYPE....: <br />TYPElA PERV <br />IMP <br />PRECIPITATION....: <br />2.70 inches AREA..: 9.80 Acres <br />0.00 Acres <br />TIME INTERVAL....: <br />10.00 min CN.... : 85.00 <br />0.00 <br />TC.... : 45.22 min <br />0.00 min <br />ABSTRACTION COEFF: <br />0.20 <br />TcReach - Sheet <br />L: <br />300.00 ns:0.0500 p2yr: 1.55 s:0.0250 <br />TcReach - Sheet <br />L: <br />300.00 ns:0.0500 p2yr: 1.55 s:0.0025 <br />PEAK RATE: 1.69 <br />cfs <br />VOL: 1.09 Ac-ft TIME: 490 min <br />BASIN ID: PRE02 <br />NAME: 2YR/24HR PREDEVELOPED <br />SBUH METHODOLOGY <br />TOTAL AREA.......: <br />9.80 Acres BASEFLOWS: 0.00 cfs <br />RAINFALL 'TYPE....: <br />TYPElA PERV <br />IMP <br />PRECIPITATION....: <br />1.55 inches AREA..: 9.80 Acres <br />0.00 Acres <br />TIME INTERVAL....: <br />10.00 min CN... .,: 79.00 <br />0.00 <br />TC....: 109.26 min <br />0.00 min <br />ABSTRACTION COEFF: <br />0.20 <br />TcReach - Sheet <br />�._ <br />L: <br />100.00 ns:0.4000 p2yr: 1.55 s:0.1000 <br />TcReach - Sheet <br />L: <br />200.00 ns:0.4000 p2yr: 1.55 s:0.0300 <br />TcReach - Shallow <br />L: <br />200.00 ks:5.00 s:0.1600 <br />TcReach - Channel <br />L: <br />550.00 kc:10.00 s:0.0020 <br />PEAK RATE: 0.18 <br />cfs <br />VOL: 0.23 Ac-ft TIME: 960 min <br />