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9 <br />1 DRAINAGE INFORMATION SUMMARY FORM <br />Attachment "A" <br />DRAINAGE INFORMATION SUMMARY FORIINI <br />Project Name: McClean Ironworks - Smith Island <br />Project Engineer: David Evans And Associates, Inc. <br />Project Applicant: McClean Ironworks, Inc. <br />Project Total Area: 3.75 acres Number of Units: N/A <br />Project Development Area: 3.75 acres Number of Tracts: N/A <br />Summary Table <br />Ironworks Operations <br />On -site Area (acres) <br />3.75 <br />Type of Storage Proposed <br />N/A <br />Water Quality <br />GULD rated <br />pretreatment <br />Soil Types <br />Sand fill <br />Pre -developed Runoff Rate <br />Q (efs) <br />2 year <br />0.12 <br />10 year <br />0.49 <br />100 year <br />1.15 <br />Post developed Runoff Rate <br />Q (cIs) <br />2 year <br />1.25 <br />10 year <br />1.88 <br />100 near <br />2.76 <br />Drainage Report page I <br />McClean Ironworks May 8, 2008 <br />Revised July 8, 2008 <br />