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STOR\7\VAT[R S17'L PLAiV <br />AUGUSTA 1V�OODS CONDO�] .JIU\9S <br />DEV�LOP�D SIT� IIYDROLOGY <br />DGVGLOPGD BASIN 1 <br />This basin has a tributary ama of 0.3� acres. <br />The basin has the following developed land uscs and arc.�s: <br />Land Usc CN Arc:.Lj <br />Houses/Pnvement 98 0.2� <br />L.nvn 86 0.10 <br />�(AY 20, 2003 <br />P:\GF IS <br />The time oY concentration for this basin is small. For calculations a practical minimum of <br />� minutes has been used. <br />'1'he develepeJ runoff rates are: <br />Retwn Period Peak Rate(cfs) Volume(cfl <br />6 Munth 0.06 771 <br />2 Year 0.1 1 1,35� <br />10 Year 0.17 2?00 <br />I001'car 0.%7 3,398 <br />DGVGLOPGD I3ASIN 2 <br />This basin has a tributary arca of 2?3 acres. <br />Thc basin has the Yollowing dcveloped land uses and urcus: <br />Land Usc CN Area(acl <br />Road/[3uildings 9S 135 <br />L�ndscaping 36 0.3S <br />l hc ilow path for thc timc of concentration calculation consists uf thc lollowing: <br />Plow Tvne Len�th (ft) Slope (ft/ft) Time (min) <br />Shect Plow (grass) �0 0.03 �4.G <br />Channcl Plow (pavement) 140 <br />Channcl Plow (pipe) 170 <br />'l�utal timc ofconccntration = �.6 minutcs. <br />The developed nmoff rates are: <br />0.0� 0.3 <br />0.01 0.7 <br />Retutn Pcriod Pr.il� Ratc cfs Volumc�cf� <br />6 Month 0?0 d,�30-t <br />2 Ycar 0.�4 8.1 ;3 <br />10 Year 0.36 13, ] 51 <br />100 Yc:u� 132 20,6�3 <br />� nm�.��=��.e,,,,yroa--�� �:�cr.s s��.e F��� m.m...00�-�m�mvsscw-0n oocDWHlsrm <br />