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12/9/02 4:11:27 pm PCrte-et Engineering, Inc page 10 <br />Silver Lake Elementary <br />Preliminary Drainage Design <br />14ISTORY OF HYDROGRAPH ACTIVITY <br />Date of Session: 12/9/02 3:47:55 pm <br />CLEARHIS <br />ZERO 1 20 <br />ADD Apre-002 a-ex-002 1 <br />0.0367 cfe 0.0419 ac-ft 16.OD hrs <br />ADD Apre-030 s-ex-010 2 <br />0.0866 cfn 0.0894 ac-ft 9.00 hrs <br />ADD Apre-100 s-ex-100 3 <br />0.23$3 cfs 0.1786 ac-ft 8.17 hrs <br />ADD Adev-002 sdev-002 4 <br />0.5671 cfs 0.2085 ac-ft 8.00 hrs <br />ADD Adev-010 sdev-010 5 <br />0.8040 cfS 0.2972 ac-ft 8.00 hrs <br />ADD Adev-100 sdev-100 6 <br />1.1621 cfs 0.4326 ac-ft a.00 hrs <br />End program file J:\SITE_C-1\22054--I\DPAItJAGE\ADDBAS-l.pgm <br />DESIGN <br />1 "1/2 2yr Predev" 0.018500 4 prelim prelim 7 <br />2 "10yr Predev" 2 5 prelim prelim 8 <br />3 0100yr Predev" 3 6 prelim prelim 9 <br />ORIF prelim 0.57 4.60 1.69 0.80 3.75 0.00 0.00 0.00 0.00 <br />LSTEND <br />Description MatchQ PeakQ Ste Diu Pkstg OutQ hyd volume <br />100yr Predev 0.24 1.16 prelim prelim 446.54 0.24 9 9969.32 cf <br />LPOOL 1 "1/2 2yr Predev" 0.018500 4 prelim prelim 7 <br />Description MatchQ PeakQ Sto Diu PkStg OutQ hyd Volume <br />1/2 2yr Predev 0.02 0.57 prelim prelim 445.46 0.02 7 8020.98 cf <br />LPOOL 2 "10yr Predev" 2 5 prelim prelim 6 <br />Description MatchQ PeakQ Sto Dis PkStg OOCQ hyd volume <br />10yr Predev 0.09 0.80 prelim prelim 446.34 0.09 8 9603.46 cf <br />LPOOL 3 "100yr Predev" 3 6 prelim prelim 9 <br />Description MatchQ PeakQ Sto Dis PkStg OutQ hyd Volume <br />