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3/2/OS 11:48:16 am Western Surveyors Inc <br />ASHBYRN TOWNHOMES <br />page 1 <br />EXISTING CONDITIONS <br />WATER QUALITY <br />--------------•-- -------------------------____________ <br />BASIN SUMMARY <br />BASIN ID: DO.SWQ <br />SBUH METHODOLOGY <br />TOTAL AREA.......: <br />RAINFALL TYPE...,: <br />PRECIPI^.'ATION....: <br />'fIME ID;TERVAL....: <br />NAME: DEVELOPED 2 YR STORM <br />0.45 Acres BASEFLOWS: 0.00 cfs <br />TYPElA PERV <br />0.96 inches AREA..: 0.18 Acres <br />10.00 min CN....: 86.00 <br />TC....: 10.30 min <br />IMP <br />0.27 Acres <br />98.00 <br />10.00 min <br />ABSTRAt'.TION COEFF: 0.20 <br />TcReach -:;heet L: 60.00 ns:0.1500 p2yr: 1.50 s:0.0200 <br />TcReach - Shallow L: 140.00 ks:27.00 s:0.0120 <br />imp7'cReach - Sheet L: 170.00 n5:0.0110 p2yr: 1.50 s:0.0200 <br />PEAK RATE: G.05 cfs VOL: 0.02 Ac-ft TIME: 480 min <br />C�, c .� s <- �; <br />� L �. � �.' � C � <br />�:Y� ) <br />�.5,� CilrzT>t�nr:�- _. .�_�_� <br />`= � �z_-,,. �: z. , � � <' �Ti- . <br />� <br />