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BARGHAUS�N CONSULTING ENGINEERS, INC. <br />"Land Planning, Survey, and Design Specialists" <br />April 2i, 1990 <br />COURIER DHLIVERY <br />Mc GorJon Witchcr <br />Ciiy ot Evemu Enginccring Departmcnt <br />City Scrvicc Cenler <br />32(10 Ccdar Strcct <br />Evcrcu, WA 95201 <br />RE: Revisions to Grus-LincJ Swale Plan tor Everelt Mall Office Park Phase III/I'hcatcr Addition <br />Our Job No. 2952 <br />Dcar Gordon: <br />Enclosed !or your review and approval are four se�s of the Civil Engincering Design Plans <br />compiemd by our office [or the Eccrctt Mall Officc Park Phasc III/ILealer Addilion anJ four sets of Ihc <br />Landscapc Planling and Irrigalion Design Plans prcparcd by thc Wcisman Dcsign Group. Thc plans <br />haec bcen revised to incorporate changa �o ihe grassdined swales, as discussed in our carlicr mecting, <br />wl�ich was aucndeJ by Ms. Mary Cunningham, Ms. Janc Zimmcrman, Mr. Bob Ho�arth of Gf3P <br />Archilccts, }�ou and I. In orJcr to obtain Ihc minimum rcquircd Icnglh of IW fcct tor �hc grass-IincJ <br />su�lcs, wc havc rclocaled thcm along Ihc cast and wcst sidcs of Ihc parking and Jrivc arcas. Typical <br />cross sections of Ihe se�le indicating �he maximum u•ater sur(ace devation are s6own on the de�aii <br />shcct. <br />In aJJition to rcdcsigning Ihc grassdincd swalcs to incorporam as much pavcmcnt :vca ar. <br />possiFic, ac hm�e also designed a Aafile4ype oilM^ater uparalor for Ihe paeement arca IncatcA aiong thc <br />aest sidc ot the builJing, ihat pnnot be convcycd through !he grass-lincd swaies. Sizing cslculalions for <br />9ic haf0e-�ype oilhvaicr uparator and grassdined suales nrc siso encloseJ for your revicw an� approral. <br />Plcase nole that al�hough wc hacc revised the plan m incorporate grass�lined swales and the <br />bafOc-�ype oilM�ater upara�or, the Jevcluper Jocs nut agrce with seceral condilians con�ained in �hc <br />MDKS issucA the City of Evcrcu for ihis project, and has submiucd an appcal of �hose conditions. <br />Onc of thc rnnJilinns bcing appcalcJ is Ihc inabili�y to usc thc grass•lined saaic arca for mumabic <br />I:mJsupc arca. How�cvcr, wc will wNinuc to makc Ihe ncccssary rcvisions �o satisfy �hc Cil}'s <br />rcquiremcNs unlil ahcrwisc dirccicd. <br />Home Ofiice: iB215 72nd Avenue Sauth • Kent, Washington 98032 •(2061251•6222 <br />Sacramento OFfice: 3750 Auburn Blvd., Suite A• Sacramento, California 95821 •(916) 484-1212 <br />