Laserfiche WebLink
12/9/02 4:11:24 pm Perteet Engineering. Inc page 5 <br />Silver Lake Elementary <br />Preliminary Drainage Design <br />BASIN SUMMARY <br />BASIN ID: C-W-WQ <br />NAME: West Parking Lot for Extra WQ <br />SBUH METHODOLOGY <br />TOTAL AREA.......: <br />0.14 Acres BASEFLOWS: <br />0.00 cfs <br />RAINFALL TYPE....: <br />TYPElA <br />PERV <br />IMP <br />PRECIPITATION....: <br />1.10 inches AREA..: <br />0.00 Acres <br />0.14 Acres <br />TIME INTERVAL....: <br />10.00 min CN....: <br />0.00 <br />98.00 <br />TC....: <br />0.00 min <br />5.00 min <br />ABSTRACTION COEFF: <br />0.20 <br />PEAK. RATE: 0.03 <br />cfs VOL: 0.01 Ac-ft TIME: <br />480 min <br />BASIN ID: 9-ex-002 <br />NAME: Swapped parking <br />area 02 yr <br />SBUH METHODOLOGY <br />TOTAL AREA.......: <br />0.21 Acres BASEFLOWS: <br />0.00 cfs <br />RAINFALL TYPE....: <br />TYPElA <br />PERV <br />IMP <br />PRECIPITATION....: <br />1.70 inches AREA..: <br />0.21 Acres <br />0.00 Acres <br />TIME INTERVAL....: <br />10.00 min CN....: <br />76.00 <br />0.00 <br />TC....: <br />19.60 min <br />0.00 min <br />ABSTRACTION COEFF: <br />0.20 <br />TcReach - Sheet <br />L: 80.00 ns:0.4000 p2yr: 1.70 <br />s:D.0444 <br />TcReach - Channel <br />L: 160.00 ke:10.00 2:0.0250 <br />PEAK RATE: 0.00 <br />cfs VOL: 0.00 AC-ft TIME: <br />960 min <br />BASIN ID: 0-ex-010 <br />NAME: Swapped parking <br />area 10 yr <br />SOUH METHODOLOGY <br />TOTAL AREA.......: <br />0.21 Acres BASF.PLOWS: <br />0.00 cfs <br />RAINFALL TYPE....: <br />TYPElA <br />PERV <br />IM.P . <br />PRECIPITATION....: <br />2.30 inches AREA..: <br />0.21 Acres <br />0.00 Acres <br />TIME INTERVAL.....: <br />10.00 min Cm....: <br />76.00 <br />0.00 <br />TC....: <br />19.60 min <br />0.00 min <br />ABSTRACTION COEFF: <br />0.20 <br />TcReach - Sheet <br />L: 00.00 nS:0.4000 p2yr: 1.70 <br />s:0.0444 <br />TcReach - Channel <br />I.: 160.00 ke:10.00 s:0.0250 <br />PEAK RATE: 0.01 <br />cfs VOL: 0.01 Ac-ft TIME: <br />490 min <br />BASIN ID: s-ex-300 <br />NAME: Swapped parking <br />area 100 yr <br />SDUH METHODOLOGY <br />TOTAL AREA.......: <br />0.21 Acres RASEFLOWS: <br />0.00 cfs <br />RAINFALL TYPE....: <br />TYPElA <br />PERV <br />IMP <br />PRECIPITATION....: <br />3.20 inches AREA..: <br />0.21 Acres <br />0.00 Acres <br />TIME INTERVAL....: <br />10.00 min Of....: <br />76.00 <br />0.00 <br />TC....: <br />19.60 min <br />0.00 min <br />ABSTRACTION COEFF: <br />0.20 <br />TcReach - Sheet <br />L: 80.00 ns:0.4000 p2yr: 1.70 <br />5:0.0444 <br />TcReach - Channel <br />I.: 160.00 kc:10.00 9:0.0250 <br />PEAK RATE: 0.03 <br />cfs VOL: 0.02 Ac-ft TIME: <br />490 min <br />