(j)EC9.6791through9.6797regardingstormwaterfloodcontrol,quality,flow <br />controlforheadwatersarea,oilcontrol,sourcecontrol,easements,andoperation <br />andmaintenance. <br />TheApplication’sStormwaterManagementPlanandDrainageStudy(SWPlan)doesnotmeet <br />theStormwaterManagementManualandSectionsoftheEugeneCodeasdiscussedbelow. <br />Section3.1oftheSWPlan(p.2of9)identifiesthreeinitialcomponentsofstormwater <br />managementforCHPUDasfollows(p.2of9):“(1)CapitalDrivePublicImprovements,(2) <br />PrivateRoadwayRunoffand(3)theindividuallots.” <br />Section3.1.3oftheSWPlan(p.4of9)states:“forthelotsboundbythenewroadway <br />improvement,upontreatmentandflowcontrol,drainagedisposalwilldischargeontothenew <br />roadways.”TheapplicantrepresentativedescribedtheSWPlaninmoredetailtoCityofficials, <br />viaemailSeptember21,2017(AppendixT)(madeinreferencetothe“boundlots”). <br />“Thosearethelotsatthetopofthehillbetweenthetworoadways.Lots21,22,23,24, <br />25,26,27,28,29,30,31,&32.Thoselots,uponmeetingflowcontrolandwaterquality <br />requirements,willnotbeabletoreleaseintotheirownlevelspreaderbecausetheyare <br />cutofffromthoseopenspacesandparkareasbytheroadwayimprovements.Therefore <br />theywillhavetoreleaseintothepublicandprivateroadways(viaweepholeorsome <br />othermethod).Theexistingrunofffromthoselotswasaccountedforinthestorm <br />analysis.” <br />Itthereforefollowsthattheapplication’sSWPlanshouldaccountforthedischargefromthe <br />“boundlots”aspartoftheBasinSummarydescribedin Table2:ProposedBasinData(p.6of <br />9).Thistableomitsbothperviousareasandimperviousareasfromthe“boundlots”inthe <br />“BasinSummary”andinthesubsequentflowcalculationsandmitigationmeasures.Assuming <br />maximumfutureallowedbuildoutyieldsasubstantialincreaseinsurfacearea,around72,000 <br />sq.ft.ofadditionalimperviousarea,and28,000sq.ft.ofperviousarea.Thesetotalsarenot <br />accountedforinthecurrentBasinSummaries. <br />TheApplicationacknowledges(p.54of67)theneedtomeetflowcontrolrequirementsfora <br />headwatersarea.Assuch,EC9.6793(3)(b)statesthat"theamountofimpervioussurface <br />perlotisassumedtobethemaximumlotcoverageallowedfortheuseinthezoneinwhich <br />itislocated."TheapplicationdoesnotincludetheimpervioussurfaceareasofLots21–32in <br />theBasinSummaryofTable2. <br />#### <br />EC9.6792StormwaterQuality <br />EC9.6792(2)(c):ThestandardsinEC9.6792(3)(c),(e)-(g)applytoalllanduse <br />applicationssubmittedafterMarch1,2014,thatproposeconstructionofaprivate <br />streetorshareddriveway. <br />125 <br /> <br />