SWPlan,Section3.3(p.7of9):"Thenewimperviousareacreatedbythepublic <br />improvements…willbetoolittletojustifythecostofmechanicaltreatment,butwillbe <br />directedthroughcatchbasinsandundergrounddetentionhelpingtofilteroutsediment <br />beforebeingreleased." <br />Inthefiveexamplescitedabove,theApplicationattemptstousecostasthereasonfornot <br />complyingwiththerequirementsof EC9.6791 to EC9.6797,butsaidcodesaresilentwith <br />respecttoallowingcosttobeanoverridingconsiderationthatwouldallowaproposedPUDtobe <br />waivedfrommeetingthevariouscoderequirements.Theapplicantrepresentativeacknowledges <br />thatcostshouldnotbeaconsiderationforbeinggrantedawaiverfromcodecomplianceasstated <br />inthefollowingemailtocityplannersdatedSeptember22,2017(AttachmentU): <br />“Sometimesitcostsmorethantheywantbutwehavenevermetaproject/building/road <br />etc.wheretherewasn’tasolution.Moneysolveseverything.” <br />DiscussionofBasinSummaries(Tables1and2) <br />TheApplicationStormwaterPlanandDrainageStudy(SWPlan)(p.3of9)states: <br />"TheprimarygoalforstormwatermanagementonCapitalDriveistomatchexisting <br />drainagepatternsandpeakdischargeratesthroughthedesignstorm." <br />TheSWPlanmakesseveralmorereferencesaboutmatchingpre-developedlevels.TheSWPlan <br />presentsthepre-developmentflowsin Table1:ExistingBasinData(p.5).TheBasinSummaries <br />donotaccuratelydemonstratearepresentationoftheperviousandimperviousareas.The <br />applicationSWPlan(p.5of9)states“Forthelotsboundbythenewroadwayimprovement, <br />upontreatmentandflowcontrol,drainagedisposalwilldischargeontothenewroadways.” <br />Thisdescriptionisreinforcedbytheapplicantrepresentative’semailtoCityofficialson <br />September21,2017(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." <br />Giventheabovedescriptionoftheboundlots,thefollowingerrorsarenotedintheBasin <br />SummaryTables1and2(pp.5-6of9). <br />1.TheSummaryforDischargeSite1doesnotprovidesufficientdetailtoproperlyaccount <br />forthefollowingexistingimpervioussurfacesthataretoremainonLot20:existing <br />houseandgaragefootprints,theexistingsidewalks,patio,concretestepsandother <br />hardscapes.TheSummaryalsodoesnotincludethefuturepotentialcontributionfromthe <br />boundLots21and22,whichhave18,000sq.ft.ofbuildable-impervioussurfaceand <br />10,000sq.ft.ofpervioussurface. <br />127 <br /> <br />