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12/1/OS 1:49:50 pm Western Surveyors Inc page 1 <br />ASHBYRN TOWNHOMES <br />DEVELOPED CONDITIONS <br />AS-BUILT S�ORM DRAINAGE_CALCULATIONS __________________________ <br />HYDROGRAPH SUMMARY <br />PEAK TIME VOLUME <br />HYD RUNOFF OF OF Contrib <br />NUM RATE PEAK HYDRO Area <br />cfs min. cf\AcF� Acres <br />_____________________________________________ <br />1 0.029 490 877 cf 0.45 <br />2 0.069 490 1727 cf 0.45 <br />3 0.134 490 3098 cf 0.45 <br />4 0.091 480 1533 cf 0.44 <br />5 0.151 480 2521 cf 0.44 <br />6 0.242 480 4004 cf 0.44 <br />7 0.016 980 1480 cf 0.94 <br />8 0.041 640 2464 cf 0.44 <br />9 0.099 550 3946 cf 0.44 <br />10 0.047 480 853 cf 0.45 <br />