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�\shb� rn �l'o���ihomes <br />1. ATTACHMENT "A" (SCC. FORM — 3040) <br />DRAINAGE INFORMATION SUMMARY FORM <br />Project Namr. Ashbyrn Townhomes <br />Project En�inccr: VVestcrn Enginccring, Inc. <br />Pmject Applicxnt: ASHBYRN TOWNHOMES, INC <br />14217 — 214'" PLACE SF., SNOHOMISH, WA <br />Project TotHl Arc:�: 0.449 acres <br />Project Dc�•clopment Arca: 0.449 acres Numbcr of Lots: 1 <br />Basin Information <br />Type of Storage Proposed <br />Approximate Storage Volume <br />Soil types <br />Pre-developed Runoff Rate <br />Q (cfs) 2 <br />10 <br />100 <br />Post-developed Runoff Rate <br />Before / after controlling <br />Q (cfs) 2-year Infiitrati� <br />Table <br />n <br />Aldcrwood <br />Cravclly <br />Lnam <br />0.069 <br />0.134 <br />0.093/0.016 <br />0.155/0.058 <br />0.248/0.138 <br />0 <br />\1'I?I 0�-��! I-13 3 <br />