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Ashbyrn 'I'o�� nhomes <br />1. ATTACHMENT "A" <br />DRAINAGE INFORMATION SUMMARY FORM <br />Project Name: Ashbyrn Townhomes <br />Project Enginccr: Westem Enginecring, Inc. <br />Projcct Applicant: ASHBYRN TOWNHOMES, INC <br />14217 — 214"' PLACE SE, SNOHOMISH, WA <br />Project Totai Arca: 0.449 acres <br />Project Devclopment Area: 0.449 acres <br />Basin Information <br />Ta6/e <br />A I e <br />0.449 <br />types I Aldenvood <br />Gravclly <br />Loam <br />Pre-developed Runoff Rate <br />Nutnbcr of� I.ots: 1 <br />Post-developed Runoff Rate <br />Before / after controlling <br />�ration O.U3110.016 <br />10-/ear 0.15110.041 <br />100-year 0.24210.099 <br />\Vatcr quality providcd by onc 2-cartridge 5torm Fiitcr Catch Lasin device with a prc- <br />trcatmcnt hasin b�� �\aua-S�cirL unit AS-2 <br />\VI:I 0�!-i.} 1-13 �� <br />