ratingswouldincludecontractortrucks,workervehicles,deliverytrucks,andothersupport <br />vehicles. <br />Then,duringanadditionalassumedfive-toten-yearbuildoutofdwelling,therewouldbefewer <br />–butstillsignificant–constructiontraffic.Therewouldbeadditionaltreesarecut,lotsleveled, <br />andfoundations,driveways,andrelatedservicesinstalled.Thus,weestimatethatheavytruck <br />trafficcouldrangefrom10-13trips/dayandsmallervehiclesfrom20-26trips/day. <br />Queuingwillbecomefrequentandmustbeconsideredasaconsequenceofthelargeincreasein <br />trucktrafficthatwillbenegotiatingtheonlyfeedertransportationnetworkfromFairmountBlvd. <br />toSpringBlvd.andCapitalDr.Theywillbereduced,ineffect,tonarrowone-wayroadswith <br />possibleparkedcarsandservicevehiclesreducingtheroadwaywidthto11feet.Heavyvehicles <br />couldtakeupto10minutestomakeaone-waytripbetweenFairmountBlvd./SpringBlvd. <br />intersectiontotheSite.Smallervehiclescouldtakeatleast5minutes.Theaverageofthetotal <br />dailytriptimewouldbearound1.5to2hours.However,duringhighactivitydays,thetotal <br />wouldbemuchhigherduetopeakingfactorsandcongestiononthenarrowstreet.Assuminga <br />reasonablepeakingfactorofthree,itwouldbringthetotalto4.5hoursonsomedays. <br />Thequeuingwouldalsorequireanadditionalnumberofcontractortrucksandworkervehicles <br />forflaggersandinspectors,addingmorevehicletripsperday.Alltheconstructionvehicle <br />trips/daywouldsignificantlyincreasecongestion,andthatwouldsignificantlyhinderemergency <br />responseeffortstotheexisting112homesalongtheFairmountBlvd.,SpringBlvd.,CapitalDr. <br />transportationcorridor. <br />Thetruckemissionswillelevateriskfactorsonstagnantdaysduringpeakconstructionactivities. <br />Someheavytrucksarenotregulated,andeventheregulatedtruckshavemeasurableharmful <br />emissions.Somedayswouldhaveelevatedlevelsofemissionsfromthetrucktrafficduetothe <br />sheernumberanddurationoftrucksidlingandqueuingupanddownthetransportationroute <br />throughtheneighborhood. <br />Off-siteImpactsonStormwaterRunoff <br />TheApplication’sproposedStormwaterPlanandDrainageStudy(SWPlan)intendstocollect <br />flowfromthetopoftheeastsideofthedevelopmentandredirectthatflowtothebottomofthe <br />developmentsiteadjacenttoanduphilloftheRibbonTrail.However,Applicationfailsto <br />adequatelydemonstratethattheRibbonTrailwillnotbeimpactedbyhigherpost-development <br />runofffromtheeasternsideofthetopofthedevelopment,includingtheproposedprivatestreet. <br />TheApplication(SWPlan,p.3)states: <br />TheprimarygoalforstormwatermanagementonCapitalDriveistomatchexistingdrainage <br />patternsandpeakdischargeratesthroughthedesignstorm. <br />AlthoughtheSWPlanmakesmorereferencesaboutmatchingpre-developedlevelsfordrainage <br />anddischarge,theseclaimsarenotsubstantiated.TheSWPlanincludesBasinSummaries <br />(Tables1and2)thatdescribethedrainagebasinsanddischargepoints.TheproposedDischarge <br />172 <br /> <br />