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It-`I <br /> 4ii-11 <br /> Dxaina e <br /> The drainage proposed for thee plat is sub- standard. It is norm t and that provision id aan made internal <br /> to <br /> storm sewer system that captures at least the 10 year storm van n act provides none of these. <br /> adequately pass a 100-year event safely from the property p <br /> Two small "Bior$tention Basins" are proposed ho� provide omnal design storms water from <br /> low volume storms such as 1" to 2" rainfall; <br /> rainfall will over top these basins and discharge into <br /> here pipstreet.ize and/ar cause <br /> are <br /> flooding of Millwood Avenue and water ponding <br /> exceeded. over The drainage planned for the subdivision also draining <br /> d ainage f olmlone <br /> This is also not a common practice in the design of subdiv <br /> lot can pass over a maximum of one adjoining lot prior to entering a public easement, <br /> sewer, etc. Again this guideline is intended to reduce complaints from adjoining property <br /> y <br /> owners about drainage'concerns and to protect property. This plat does not comply with this <br /> design standard. <br /> I would recommend this plat not be approved.enstt proposednandethereais adequate safety <br /> surrounding this site in not adequate for the density <br /> concerns for the residents at Roseville. <br /> Very truly yours, <br /> McGHIE&BETTS,INC. <br /> David L.Morrill,P.E. <br /> DLM/cm <br /> thereby certify that this plan,specification,or <br /> report wesprepored by me or under my d?t'eti <br /> supervision and that I am a duly r eg:owwed <br /> Professional Engineer under the t.aw+of the <br /> State o.f . " n• �✓ <br /> p Moir 1! <br /> Date flag.No. 12713 <br />