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Home My WebLink AboutExhibits 2-8GENERAL NOTES:I I I 0 1000 2000 015OF ROADWAY WILL RE MILLED AND REPAVED FROM THE BEGINNING —PAVING AND STRIPINGIiuFt:E I TO THE END OF PROJECT ALONG HIGHWAY CITY LIMITSALLBRIDGESW1ILLBEEXCEPTEDFROMPAVING ALL DAMAGED TRAFFIC SIGNAL LOOPS WILL BE REPLACED LEGEND Table 2: Projected noise levels construcion equipment Item #Equipment Sound level (dBA) at 50’ Sound level (dBA) at 100’ Sound level (dBA) at 200’ Sound level (dBA) at 300’ Sound level (dBA) at 500’Mitigation measures 1 Air compressors 68 62 56 52 48 When possible, contractor will locate shield between compressors and area residents so no resident will have direct line of sight. During this work, residents are may not likely notice sounds above the existing I 405 background noise 2 Asphalt Paving machines 80 77 74 72 70 Slow moving mobile operation. Minimize use of sensitive back alarms. 3 Concrete Saws 85 79 73 69 65 When possible, contractor will locate shield between compressors and area residents so no resident will have direct line of sight. An after hours noise complaint phone number will be available. 4 Dump trucks 79 76 73 71 69 Ambient sensitive backup alarms are required and truck tailgate banging is not allowed. An after hours noise complaint phone number will be available. 5 Generators 71 65 59 55 51 Park equipment breaking the line of sight from residences or place temporary noise shields when feasible. An after hours noise complaint phone number will be available. 6 Asphalt planing machines 82 79 76 74 72 Slow moving mobile operation. Existing noise walls and concrete barriers will shield residents during construction operations. An after hours noise complaint phone number will be available. 7 Jackhammers 88 82 76 72 68 When possible, contractor will set hammers behind concrete barrier to mask sound emitted by the removal operation. 8 Portable Light plants and generators 72 66 60 56 52 Redirect temporary lights away from residences. Avoid parking and idling vehicles next to residences. Request contractor to provide solar generator type portable lights. An after-hours noise complaint phone number will be available. 9 Pickup trucks 64 61 58 56 54 Contractor shall avoid parking and idling vehicles next to residences. After hours noise complaint phone number will be made available. 10 Striping trucks 78 75 72 70 68 Mobile operation. Contractor shall avoid parking and idling vehicles next to residences. After hours noise complaint phone number will be made available. 11 Street Sweeper 72 69 66 56 62 Mobile operation. Construction equipment sounds will be brief. Minimize by use of ambient sensitive back alarms. Residents shall be notified 7 days prior by mail, email and updated internet project home page. After hours noise complaint phone number available. 12 Traffic Control Signs 71 65 59 55 51 Avoid parking and equipment next to residences. Request contractor to provide solar powered signs if available. An after-hours noise complaint phone number will be made available. 13 Truck Mounted Attenuators 68 62 56 52 48 TNM tracks shall park at least 500’ away from residences, when feasible. An after hours noise complaint phone number will be available. 14 Vacuum Truck 82 76 70 66 62 The sounds of this equipment would be short duration at electrical cabinets and traffic loops installations. An after-hours noise complaint phone number will be made available. WORK NIGHTS MAINLINE: -MILL AND FILL:8 NIGHTS -TRAFFIC LOOPS:4 NIGHTS -STRIPING:4 NIGHTS -PREPERATION:4 NIGHTS RAMPS: -MILL AND FILL:4 NIGHTS -TRAFFIC LOOPS:2 NIGHTS -STRIPING:2 NIGHTS -PREPERATION:2 NIGHTS 0 it 2 U.I- 0 x-JI_Os ;;Lq SECTIONA oz”a-Wj wOO- 0 a0 CONSTRUCTION EQUIPMENT MILL AND FILL:PLANER,HMA PAVER,DUMP TRUCKS TRAFFIC LOOPS:CONCRETE SAW,VACUUM TRUCK STRIPING:GRINDER,TRUCKS OTHER EQUIPMENT:BACKHOE,GENERATORS I LIGHTS,PUMPS, FLATBED TRUCKS,PICKUP TRUCKS,SWEEPERS CITY OF RENTON MP 4.55 TO MP 7.99 NOT TO SCALE T:412348Uc153Z2W6NV Env1ro,i.ntaM2ENV.D$C DsI Wn Re p,rt.StudIgsNoj Va.nc,XL52ZSH1W.d ji jj 8:21:02 AM I I I FED.AID PROJ.NO.I-4051SB ::‘ I -NAS SR 900 TO COAL CREEK PKWY S g±I .Washington State PAVING OUTSIDE LANE. M Department of Transportation I NOISE VARIANCE REQUESTI.REVISION DATE BY .t ..EGEND 500’NOISE BUFFER V WORK AREA WORK NIGHTS MAINLINE: -MILL AND FILL:8 NIGHTS -TRAFFIC LOOPS:4 NIGHTS -STRIPING:4 NIGHTS -PREPERATION:4 NIGHTS RAMPS: -MILL AND FILL:4 NIGHTS -TRAFFIC LOOPS:2 NIGHTS -STRIPING:2 NIGHTS -PREPERATION:2 NIGHTS CONSTRUCTION EQUIPMENT MILL AND FILL:PLANER,HMA PAVER,DUMP TRUCKS TRAFFIC LOOPS:CONCRETE SAW,VACUUM TRUCK STRIPING:GRINDER,TRUCKS OTHER EQUIPMENT:BACKHOE,GENERATORS I LIGHTS,PUMPS, FLATBED TRUCKS,PICKUP TRUCKS,SWEEPERS SECTION A U5ILND Y CULLN A. ENTERED BY CULLEN A. CHECKED BY PROJ.ENGR. REGIONAL ADU.I REVISION CITY OF RENTON MP 4.55 TO MP 7.99 NOT TO SCALE LEGEND 500’NOISE BUFFERzWORKAREA I-4051SB SR 900 TO COAL CREEK PKWY S PAVING OUTSIDE LANE NOISE VARIANCE REQUEST WORK NIGHTS MAINLINE: -MILL AND FILL:8 NIGHTS -TRAFFIC LOOPS:4 NIGHTS -STRIPING:4 NIGHTS -PREPERATION:4 NIGHTS RAMPS: -MILL AND FILL:4 NIGHTS -TRAFFIC LOOPS:2 NIGHTS -STRIPING:2 NIGHTS -PREPERATION:2 NIGHTS ICE NAME TMI234B1XL532ZiOSENV EnvlronmentaM2ENV.DSC Disciplin.R.portsSWd1..Nos. TiME 8:21:44 AM DATE 411312017 PLOflED BY andrcu DESIGNED BY CULLEN A. ENTERED BY CULLEN A. CHECKED BY rDM I REVN CONSTRUCTION EQUIPMENT MILL AND FILL:PLANER,HMA PAVER,DUMP TRUCKS TRAFFIC LOOPS:CONCRETE SAW,VACUUM TRUCK STRIPING:GRINDER,TRUCKS OTHER EQUIPMENT:BACKHOE,GENERATORS I LIGHTS,PUMPS, FLATBED TRUCKS,PICKUP TRUCKS,SWEEPERS LEGEND 500’NOISE BUFFER V Z WORK AREA Lj2L3 I-4051SB ,t* SR 900 10 COAL CREEK PKWY S PAVING OUTSIDE LANE NOISE VARIANCE REQUEST SECTION A CITY OF RENTON MP 4.55 TO MP 7.99 NOT TO SCALE SECTION A c g WORK NIGHTS %______-MAINLINE: z • MILL AND FILL:8 NIGHTS 0 -TRAFFIC LOOPS:4 NIGHTS -STRIPING:4 NIGHTSg:i PREPERATION:4 NIGHTS I-— 00zz I- DZzw PILE NAME TAl1AY1 c192iIFMv FI..M2FW flI 1IJI TiME 8:22:01 AM DATE 411312017 I PLOflED BY andrcu [óSIGNED BY CULLEN A. I ENTERED BY CULLEN A. ICHECKED BY [Po.i.ENGR. I REGIONAL ADM.REViSION r I RAMPS: -MILL AND FILL:4 NIGHTS -TRAFFIC LOOPS:2 NIGHTS -STRIPING:2 NIGHTS -PREPERATION:2 NIGHTS CONSTRUCTION EQUIPMENT MILL AND FILL:PLANER,HMA PAVER,DUMP TRUCKS TRAFFIC LOOPS:CONCRETE SAW,VACUUM TRUCK STRIPING:GRINDER TRUCKS OTHER EQUIPMENt:BACKHOE,GENERMORS I LIGHTS,PUMPS, FLATBED TRUCKS,PICKUP TRUCKS,SWEEPERS LEGEND 500’NOISE BUFFER ZE WORK AREACITYOFRENTONMP4.55 TO MP 799 NOT TO SCALE I-4051SB SR 900 TO COAL CREEK PKWY S PAVING OUTSIDE LANE NOISE VARIANCE REQUEST 4kNorthwestRegion=,=WashingtonStatei5700DaytonAvenueNorthv,DepartmentofTransportationPc.Box330310Seattle,WA98133-9710(206)440-4000TTY:I-800-833-6388August1,2017www.wsdotwa.govJenniferHenning,AICPPlanningDirectorCityofRentonPlanningDivision1055SouthGradyWayRenton,WA98057DearMs.Henning:RE:1-405SR900toCoalCreekPkwySE—PavingOutsideLaneMP4.50toMP10.18CityofRentonlimits:MP4.00NE3’’stVicinitytoMP7.99CityofRentonLimitsWN#A40504E-XL5322DearMs.Henning:Thepurposeofthisletteristorequest30non-consecutivenightsoftemporarynoisevariancetocompleteroadwaypavementrehabilitationwithinthestateownedrightofwayalong1-405southbounddirectiononlywithintheCityofRenton.WSDOTAcousticsgrouprequestsrelieffromtherequirementsoftheRentonMunicipalCode,TitleVIII—HealthandSanitation-Chapter7-andNoiseLevelRegulations,aspersection8-7-2andtheWashingtonStateAdministrationCode(WAC)Chapter173-60,allowingtheWSDOTrepresentativetoworkatnight.TheprojectaddateissetforNovember3,2017.TheprojectisplannedtocommenceonMarch1,2018withacontractcompletionofDecember31,2018.ProjectNarrativeTheprojectislocatedalongInterstate405fromMilePost4.00toMilePost10.18inRenton,KingCounty,NewcastleandBellevue.However,projectlimitswithinthecityofRentonarefromMP4.00atthevicinityofNE3rdStreettoMP7.99atthenorthernlimitsofthecityofRenton.1-405isclassifiedasanurbaninterstatewithrollingterrainandprojectlimitsareshownintheVicinityMapinattachment1.Thespeedlimitthroughouttheprojectlimitsis60mph.ThisprojectwithintheCityofRentonlimitswillincludethefollowingitemsofworkslistedbelow:a.Thisprojectwillgrindandrepavetheoutsidelaneandshoulderof1-405SBfromthenorthernportionofthecityofRentonlimits(MP7.99)tothevicinityofNE3rdStreetMP4.00vicinity.EXHIBIT5 b.Theon-rampfromNEParkDr.to1—405SBandtheoff-rampfrom1—405SBtoNE30thStreetwillberepaved.C.TrafficcontrolwillstartatMP4.00at3rdAvewithincityofRentonlimits.Table1below,detailsthenumberofnightsperconstructionactivitythatitwillberequiredthroughthelifeoftheproject.Table1:Projectitemsofwork,totalnumberofnightseuual30non-consecutivenightsItemofworkNumberofnightsIPavementrepair,cracksealingandshoulder_asphaltpaving---RampPavingRoadway4--—Trafficloops6PavementMarking6Total30Theprojectwillincludenighttimeworkwherethezoningvanesfromresidential,hotels,commercial,andlightindustrialzoningdesignation.TrafficLimitationsTheprimaryreasonforconductingnighttimeworkistodecreasethealreadycongesteddaydaytimetrafficcongestionalongthe1-405corridor.Daytimefullandpartialclosuresalongthiswell-traveledrouteareexpectedtocausedisruptionintheurbancirculationaswellasincreasedtraveltimesforthecitizensofRenton.Partialclosuresmayimpactcommercialandbusinesstrafficduringbusinesshoursaswellasdelaystoschoolroutesandnormalroadusers.Furthermore,datashowsthatdaytimeclosurescouldincreasetrafficaccidentsandcompromisethesafetyofworkersandthetravelingpublicwithintheconstructionzones.Attachment2liststheproposedlaneclosuresforI-405highwayandRampsConstructionEquipmentandpredictednoiseimpactsduringnighttimeoperationsTheconstructionequipmentisdescribedinTable2includedinAttachment3alongwiththeestimatednoiselevelpredictiontonearbyreceiversapproximately50feetawayaswellasproposedmitigationmeasures.ProposedNighttimeNoiseMitigationWSDOTwillrequirethecontractortoadheretothefollowingnoisereductionmeasures:1.TheContractorshallusebackupwarningdevices,exceptpuretonebackupalarms,onallvehicles.TheContractormayuseback-upobserversinlieuofback-upwarningdevicesforallequipmentexceptdumptrucksincompliancewithWACChapter296-155-610and296-155-615.TheContractorshalluseback-upobserversandback-upwarningdevicesfordumptrucksincompliancewithWACChapter296-155-610. 2.Trucktailgatebangingisprohibited.Alltrucksshallbesecuredtopreventexcessivenoisefrombanging.3.AlltrucksperformingexporthaulshallhavewellmaintainedbedlinersasinspectedandapprovedbytheEngineer.4.Acopyofnoisevarianceshallbekeptontheprojectsiteatalltimes.5.ProvideaWSDOTcomplaintnumberaswellasalistofdesignatedcontactpersonsforthepurposeofforwardingcomplaints;6.TheContractornotifiesresidents,within500feetoftheprojectconidor,ofnighftimeworkactivitiesatleast14calendardaysinadvanceoftheproposednighttimeconstructionwork.TheProjectengineeradministeringtheprojectsarelistedasfollowsMarkSawyer,PESAWYERM(wsdot.wa.gov9021ELCAPITANWAYEVERETT,WA98208Phone:425-225-8799Shouldconstructionactivities,associatedwiththisproject,causenoiseimpacts,werequestyourhelpresolvinganycomplaintwemayreceivebynotifyingtheProjectEngineerwithin24hoursofoccurrence.Sincerely,MariaLauraMusso-EscudéAcoustic,AirQualityandEnergySpecialistAttachments:Cc:CurtWinningham,PE/JimLarson/CullenAnderson,MS117MarkSawyerNB82-52File:XL5322—SB1-405,SR900toCoalCreekPkwySE—PavingOutsideLane JustificationfortheNoiseVarianceRequest.TheApplicantsufferspracticaldifficultiesandunnecessaryhardshipandthevarianceisnecessarybecauseofspecialcircumstances.WSDOTisrequestingthisvariancetoworkatnightbasedonthefactthatthisportionofthe1-405corridorcarries142,000vehiclesperdayandtheexistingsouthboundpavementisshowingsignificantfailure.AlsoatthetworampstoSR900/ParkWayand30thStreetwithinthecityofRentonthepavementhasreachedtheendofitslifecycle.1-405servesasakeyconnectorforcommercial,freightandmotoristuses,andmasstransitwithinthePugetSoundarea;soitspreservationisaddressedintheongoingWSDOThighwaypreservationbudget.Daytimeclosuresfullorpartialtoperformthisworkwould,havethepotentialtospikecongestiononthisnorth-southcorridornegativelyandwouldaffectthecityofRentonarterialsandlocalstreets;consequently,workingatnightwillallowresidents,businessesanddriverstobeabletomaintaintraveltimewhileusingthiscorridor.Thecontractoronthisprojectwillberequiredtoprovideasafeandefficientmovementofpeople,goods,andservicesthroughandaroundtheproject,whileminimizingnegativeimpactstoresidents,commuters,andbusinesses.Inordertomeettheserequirements,itisnecessarythattheworkforthisprojectbedoneatnight.Workingatnightisthebestwaytominimizenegativeeffectsasaresultofconstructionwhichwouldonlyexacerbatetheexistingtrafficconditionsmentionedabove..Thegrantingofthevariancewillnotbemateriallydetrimentaltothepublichealth,welfareorsafety,orundulyinjurioustothepropertyorimprovementsinthevicinityofthelocationforwhichthisvarianceissought.TemporarynighttimeconstructionisoneofthefewtoolsthatWSDOTimpliestolessentrafficcongestionanddisruptiontohighwayuserswhileimprovingtheroadway.Alongthe1-405pavementrepairprojectwithinthecityofRenton,therearenoisesensitivereceiverseastandwestof1-405.However,themajorityofsensitivereceiversareprotectedbyexistingnoisewallsthatwouldhelptomaintainsoundlevelswithsomenoisepeaksovertheexisting1-405nighttimetrafficbackgroundnoise.Thenoiselevelscomingfromconstructionequipmentwilldiminishwithdistance.A6-dBAnoiseleveldecreasewilloccurwiththedoublingofdistancefromastationarynoisesource.Forexample,anoiselevelof70dBAmeasuredat50feetwouldbe64dBAat100feet,58cIBAat200feetand52cIBAat400feet.Noisealsodecreasesifanobjectinterfereswiththereceiver’slineofsighttothenoisesource.Forresidentswithinthecitylimits,thisattenuationdependsontherelativeelevationofthesourceandthereceiver,andtheheightandlocationoftheinterveningobject.Noiselevelsprojectedforthisprojecthavebeenestimatedthatsomeactivitiesmaygeneratepeaknoiselevelsof64to85dBAheardat50feet.Backgroundtrafficnoiselevelson1-405reachapproximateaveragepeaklevelsupto65dBAatnightat50feetfromthetravellane.Whendistanceisincorporatedintotheassessmentaswellastopographyandtheproposedmitigationmeasures,weestimatethatthenearestresidenceswouldstillnoticethenighttimeworkbutwouldnotbeassevereaswithoutallthelistedmitigation.Citizenswillbeimpactedtotheminimumextentandthereisnopossibilitythatthepublichealthorsafetywillbediminished.Ifanynoiserelatedcomplaintsarereceived,thecontractoralongwiththeagencywillworkonalternativemitigationmeasurestostopthedisruption. .Thevariancesoughtistheminimumvariancewhichwillaccomplishthedesiredpurpose.Therequestednon-consecutivedaysaretheminimumnumberofnightsrequiredtocompletethisworkandwilladdressthenighttimeworkatdifferentlocationsalong1-405withinthecityofRentonasshownontheprovidedmaps..Thatthevariancecontainssuchconditionsdeemedtobenecessarytolimittheimpactofthevarianceontheresidenceorpropertyownersimpactedbythevariance.Thevarianceapprovalmaybesubjecttoconditions..TheContractorshallusebackupwarningdevices,exceptpuretonebackupalarms,onallvehicles.TheContractormayuseback-upobserversinlieuofback-upwarningdevicesforallequipmentexceptdumptrucksincompliancewithWACChapter296-155-610and296-155-615.TheContractorshalluseback-upobserversandback-upwarningdevicesfordumptrucksincompliancewithWACChapter296-155-610..Trucktailgatebangingisprohibited.Alltrucksshallbesecuredtopreventexcessivenoisefrombanging..AlltrucksperformingexporthaulshallhavewellmaintainedbedlinersasinspectedandapprovedbytheEngineer..Acopyofnoisevarianceshallbekeptontheprojectsiteatalltimes..ProvideaWSDOTcomplaintnumberaswellasalistofdesignatedcontactpersonsforthepurposeofforwardingcomplaints;.TheContractornotifiesresidents,within500feetoftheprojectcorridor,ofnighttimeworkactivitiesatleast14calendardaysinadvanceoftheproposednighttimeconstructionwork..Theimportanceoftheservicesprovidedbythefacilitycreatingthenoiseandtheotherimpactscausedtothepublicsafety,healthandwelfarebalancedagainsttheharmtobesufferedbyresidentsorpropertyownersreceivingtheincreasednoisepermittedunderthisvariance.The1-405existingpavementlifecyclehasreachedthepointthatitneedstoberepairedbythenextconstructionseasonanddelayingtherepairandresurfacingtheexistingpavementwouldcreateafurtherfailingroadwaystructure.Theresurfacingandrepairofthisportionofthehighwaywouldgiveriders,residentsandusersawellmaintainedandsafehighway.ConstructionnoisemitigationmeasuresareabletoaddressorminimizeanyinconveniencetothenearbyresidentssograntingthisvariancewouldnotcauseWSDOTtoadverselyaffectthegeneralpolicyandpurposeoftheordinance..Theavailabilityofpracticablealternativelocationsormethodsfortheproposedusewhichwillgeneratethenoise. Thenatureofthe1-405asamaincorridorforhighvolumesofusersandinterstatehighwaylimitsalternativelocationsforprojectwork.Anypavementrehabilitationworkmustbecompletedatthelocationofthehighway.WSDOThasworkedtoutilizebestpracticesfornoisereductionintheirmethodologyduringnighttimeworkbyusingtheabovenoisemitigationmeasures.Ifanynoiserelatedcomplaintsarereceived,thecontractoralongwiththeagencywillworkonalternativemitigationmeasurestostopthedisruption..Theextentbywhichtheprescribednoiselimitationswifibeexceededbythevarianceandtheextentanddurationofthevariance.Peaknoiselevelsproducedbyconstructionequipmentisexpectedtorangefrom64to85decibelsatadistanceof50feetfromthesourceofthenoise.Thesesoundlevelsareexpectedtodiminishtoarangefrom56to79decibelsatadistanceof200feetfromthesourceofthenoise.Therequestedvarianceisforatotalof30non-consecutivenights.However,thiswillbeamobileconstructionoperation,meaningthatnoisesourcesandconstructionequipmentwillbeoperatingatdifferentlocationsalongtheprojectareaduringthe30workingnights.Thismobileoperationwillmeanthateachindividualresidentwillonlybeimpactedforafewnights,notall30workingnights. RohiniNair____JL_—j__From:EileenHalverson<skyleen@outlook.com>Sent:Friday,August18,20174:50PMTo:RohiniNairSubject:WSDOTPavementNoiseVarianceApp.Ms.Nair,IhavereceivedtheNoticeofApplicationforNoiseVariancefortheportionof#405MP4.OO-MP7.99.Ileftatel.mess.atyourofficew/inthelasthrandamfollowingitupw/thisemailtohavemyconcernspartofthepublicrecordforthehearing.Becauseoftheheavilycrowdedareaofthis#405corridorIobjecttothisapplicationrequestforaNoiseVariancebecausethedescribedworkwillbeperformedduringnighthours.Allnoisecreatedbythisconstructionwillimpactthesurroundingresidentialareas.Italreadydoeswiththeconstanthighvolumeofnoise24/7sotoaddheavyequipmentdoinggrinding,etc.describedintheapplicationplusnumerousvehiclestoaccomplishthejobwillcarrythrutoallresidentsexposedto#405.Currentlyworkisbeingdoneon#405/167intersectionduringthedaytimehrs.withoutanighttimerequirementsohowisitthattheabovesectionof#405isdesignatedforthosehours?.Daytimeuseofthissectionof#405canbeaccomplishedknowingtherewillbeextraneedforlaneblockageandtrafficslowdowns.PleasenoteIstronglyopposedthisvarianceforthesereasons.Thankyou,Eiteeu;(a&te’tw4tEileeniHalverson5021RipleyLnN,#303RentonWA98022EXHIBIT61 JenniferCisnerosFrom:RohiniNairSent:Tuesday,August29,20171:38PMTo:‘EileenHalverson’Cc:JenniferCisnerosSubject:RE:WSDOTPavementNoiseVarianceApp.DearMs.Halverson:ThankyouforyouremailcommentsrelatedtotheNoiseVarianceforSB-405PavementRehabilitation,fromCoalCreekParkwaytonorthcitylimits;datedAugust21,2017whereinyoumentionedconcernregardingthenighttimeworkonSB-405andthetrafficandnoiseimpactsonsurroundingresidentialarea.IwillincludeyouremailasanexhibitinmyreporttotheHearingExaminerforthisnoisevariance.Wehavealsoconveyedyourconcernstotheapplicant(WashingtonStateDepartmentofTransportationWSDOT).Theapplicanthasrespondedtoyourconcernsandmentionedthatyourresidenceisapproximately400feetfromsouthbound-405fromwherethepavementrehabilitationwilloccur.Thehighestconstructionnoiselevelswillcomefromtheasphaltplanningmachine.Therewillbethreeinstanceswhereyouwillnoticetheconstructionequipmentpassingbyyourresidenceforamaximumof15to30minutes.Theseinstancesare:(a)removingandplacingpavementmarkerlanes(62to73dBA),(b)removingexistingasphaltwiththeplanningmachine(73dBA),and(c)placingnewpavement(71dBA).Theapplicanthasmentionedthatalloftheseconstructionoperationsareamobileoperationsoresidentswillbeawareoftheoperationpassingbyforadurationof15to30minutes.WiththenoisevarianceapplicationtotheCity,WSDOThasprovidedalistofproposednoisemitigationmeasuresincludingprohibitingtrucktailgatebanging,providingbedlinersintrucks,usingbackupobserversinlieuofbackupwarningdeviceswhereapplicable,etc.Theapplicanthasstatedthattheywillinstallthenoisemitigationmeasures.Theapplicantmentionedthattheyreceivedaphonemessagefromyouregardingthisprojectandtheywouldrespondtoyoudirectly.TheapplicanthasstatedthatWSDOTonlyperformsnightworkwhenallotheralternativesareexhausted.Thedecisiontoworkatnighttakesintoconsiderationseveralfactorssuchasthesafetyoftheworkersandhighwayusers,andconcernsthatdaytimeroadwayclosureswouldadverselyimpactlocalneighborhoodswithdriverslookingforalternateroutestoavoidthedelayscausedbyreducingthenumberoflanesduringtheday.IalsowanttoinformyouthataPublichearingisscheduledforSeptember12,2017beforetheRentonHearingExaminerinRentonCouncilChambersat11:00AMonthe7thfloorofRentonCityHalllocatedat1055SouthGradyWay.ThisisanopportunityforyoutoexpressyourconcernstotheHearingExaminerifyouwouldliketodoso.Thankyouforinterestinthisprojectandifyouneedadditionalinformationpleasecontactmeatrnair@rentonwa.gov.Thankyou.SincerelyRohini.1EXHIBIT7 RohiniNairFrom:RohiniNairSent:Tuesday,August29,201712:14PMTo:‘hgh939@aol.comCc:JenniferCisnerosSubject:RE:noiseimpactinformationrequestedbyyoufortheWSDOTpavementworkprojecton1-405HiJeanne_K,IhopethatmyemailsentonAugust17,2017providedtheinformationthatyourequestedregardingthenoiselevelsandimpactsonyourpropertyduetothe1-405pavementrehabilitationproject.Ifyouhaveanycommentsregardingthenoisevarianceapplicationforthe-405pavementrehabilitationproject,IwantedtoinformyouthatyouhavetheopportunityofexpressingyourcommentsatthePublicHearingfortheWSDOTPavementRehabilitationNoiseVarianceforSB-405LUA16-000492V-H.ThePublichearingisscheduledforSeptember12,2017beforetheRentonHearingExaminerinRentonCouncilChambersat11:00AMonthe7thfloorofRentonCityHalllocatedat1055SouthGradyWay.Ifyouneedanyadditionalinformation,pleasefeelfreetocontactmeatrnair@rentonwa.gov.SincerelyRohiniRoitóu:AkzCivii£iigthtr.PRviwS;cnCintcn%5GrdvW..y6flrentcnWAPhe:(42S44Email:rnaIrrentorwa.govFrom:RohiniNairSent:Thursday,August17,20172:31PMTo:hgh939@aol.com’<hgh939@aol.com>Cc:JenniferCisneros<JCisneros@Rentonwa.gov>Subject:noiseimpactinformationrequestedbyyoufortheWSDOTpavementworkprojecton-405HiJeanne_K,Youhadcalledmetofindoutinformationregardingthenoiselevelandtheimpactswillbeexperiencedatyourhouseat1421N28thStreetduetothenoisevariancerequestedworkforthe1-405pavementwork.IhaveincludedbelowtheemailIreceivedfromtheapplicantWSDOTregardingtheproposedworknearyourhome.Pleaseletmeknowifhaveanynoiserelatedcommentsregardingtheproject.Ourpublicresponsetimeistill5pmonFriday8.18.2017.SincerelyRohini1EXHIBIT8