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The site currently drains to a combined sewer line in the alley located along the west <br /> boundary of the site. The developed conditions will be the same. <br /> MR#5, On-site Stormwater Management: <br /> Due the poor soil conditions, a shallow water table, and the presence of a basement in the <br /> church building, systems employing infiltration cannot be utilized. Because of no <br /> adequate flow path, flow dispersion cannot be used. No other flow control BMPs are <br /> applicable to a project that only consists of a small parking lot such as this. <br /> MR#6,Runoff Treatment: <br /> The City staff has stated that since the site drains to a combined sewer,no water quality is <br /> required. <br /> The balance of this Design Memo addresses the sizing of the detention system. <br /> ;/;7' 4.or- ...,, vdtp.lk.. <br /> 44 i 70,r„, . , <br /> 7. <br /> eh -;.--,-e k, <br /> t , ex*,...„ = <br /> ..., 15182 <br /> 3011 Raven Crest,Bellingham,WA 98226 425-481-9687 1,4, <br />