Loading...
The URL can be used to link to this page
Your browser does not support the video tag.
Home
My WebLink
About
2018-1114_Pre-Con Meeting Handouts.pdf
DEPARTMENTOFCOMMUNITYITYOFANDECONOMICDEVELOPM‘-‘ienton.C)CITYOFRENTONPRECONSTRUCTIONMEETINGVMCTrafficSignal&IntersectionRe-Alignment—C17005023,11/14/2018PROJECTPERSONNEL:AnnFowler,CityProjectManager,425-430-7382,AFowler@Rentonwa.govThomasMain,PublicWorksInspector,206-999-1833,TMain@Rentonwa.govClarkClose,PlanningReviewer,425-430-7289,CClose@Rentonwa.govCoreyThomas,FireInspector,425-430-7024,CThomas@RentonRFA.orgRyanPuddy,ElectricalInspector,206-999-1821,rpuddy@Rentonwa.govJackOxford,ElectricalInspector,206-999-1822,JOxford@Rentonwa.govEricCutshall,TransportationMaintenanceSupervisor,425-430-7223,ECutshall@Rentonwa.govGENERAL:1.Calltheconstructioninspectionlineat425-430-720324hoursbeforeyoustartwork.NotifyFireDispatch,RentonPoliceDepartment,andKingCountyMetroofprojectconstructionschedule.FireDispatchcanbereachedat253-852-2121.TheRentonPoliceDepartmentcanbereachedat425-430-7500.KingCountyMetrocanbereachedat206-447-1140.2.CONSTRUCTIONHOURSOUTSIDEOFRIGHTOFWAY:7:00AMto8:00PMMondaythruFridayand9:00AMto8:00PMonSaturday.Saturdayworkisbypermissiononly.NoworkisallowedonSunday.3.CONSTRUCTIONHOURSINSIDEOFRIGHTOFWAY:Followapprovedtrafficcontrolplan.Saturdayworkisbypermissiononly.NoworkisallowedonSunday.4.RIGHTOFWAYHAULHOURS:8:30AMto3:30PMMondaythruFriday.HaulingonSaturdayisbypermissiononly.NohaulingisallowedonSunday.5.INSPECTIONHOURS:7:00AMto3:30PMMondaythruFriday.ContractormustcallforCityinspectionbefore3:00PMonthepreviousday.Inspectionsoutsideofinspectionhoursmustberequested.6.Torequestwork,hauling,andinspectionsoutsideofthehourslistedabove,contacttheCitynolaterthanthreeworkingdayspriortotherequestedactivity.7.Inspectionsoutsideofnormalworkinghours(afterhours,nightwork,holidaywork,etc.)issubjecttoovertimebillingof$75.00perhour.OvertimebillingisauthorizedbyacompletedAuthorizationofSpecialBillingform.TheAuthorizationofSpecialBillingformshallbesignedandprovidedtotheCitypriortoconstructionpermitissuance.8.ContractorsshalluseonlysetsofdrawingsapprovedbytheCityforconstructingutilityandtransportationimprovements.ApproveddrawingsaresignedbytheProjectManagerand/orothercitystaffoneachplansheet.Asetofapproveddrawingsshallbekepton-siteatalltimes.9.RECORDDRAWINGS:Itistheresponsibilityofthecontractorandengineertokeeprecorddrawings.Allchangestotheapprovedconstructionplansshallbeshownontherecorddrawings.RecorddrawingsarerequitedtobesubmittedtotheCity.RecorddrawingssubmittedtotheCityshallbeprepared,stamped,andsignedbyaProfessionalLandSurveyororProfessionalEngineerlicensedintheStateofWashington.LastModified9/6/20171VMcTrafficSignal&IntersectionRe-Alignment—C17005023,11/14/2018 Allplansheetswithutilityandtransportationimprovementsincludingthoseconstructedperdesign,mustbeverified,stamped,andsigned“As-Built”.RecorddrawingsshallfirstbesubmittedtotheCityforreviewbythePublicWorksInspector.OncetherecorddrawingsareapprovedbythePublicWorksInspector,finalmylarsshallbesubmittedforCitypermanentrecords.Recordingofthefinalplatorshortplatorissuanceoffinaloccupancywillnotbecompleteduntilfinalrecorddrawingmylarsarereceived.Ifwatermainswillbeconstructedaspartoftheproject,theEngineerofRecordwillberequiredtoprovideasignedWashingtonStateDepartmentofHealthConstructionCompletionReportFormalongwiththeRecordDrawings.Theformcanbeobtainedatthefollowingaddress:http://www.doh.wa.gov/Portals/1/Documents/Pubs/331-146-F.pdf.10.IfthematerialsshownontheapprovedplansdifferfromthoseshownintheCitystandarddetails,materialsubmittalsshallbemadetotheProjectManagerforapprovalpriortoinstallation.11.MINORFIELDCHANGES:Identifytheproposedchange(s)tothePublicWorksInspector.IfthePublicWorksInspectordeterminesthatthechange(s)isminor,thePublicWorksInspectorcanapprovethechange(s)inthefield.AsummaryofanyminorchangesapprovedbythePublicWorksInspectorshallbeemailedtotheProjectManager.IfthePublicWorksInspectordeterminesthatthechange(s)needsfurtherreviewandapprovalfromotherCitystaff,thecontractorshallfollowthedirectionsintheMajorFieldChangessectionbelow.12.MAJORFIELDCHANGES:Submitadigitalplanclearlyshowingtheproposedchange(s)andjustificationviaemailtotheProjectManagerandPublicWorksInspector.Citystaffwillrespondtotherequestedchangewithintwobusinessdays.ThePublicWorksInspectorcannotgiveapprovalformajorconstructionchangesinthefield.13.TrencheswithCityutilitiesshallbeleftopenforinspectionpriortobackfill.14.Aspillkitshallbelocatedonsiteandeasilyidentifiablewithsignage.15.PROJECTCLOSEOUT:TheCivilConstructionPermitFinalInspectionandConstructionCloseoutProcessRequirementsdocumentgivesinformationoftherequirementsforconstructioncloseout.ThecurrentversionoftheFinalInspectionandConstructionCloseoutProcessandRequirementsdocumentisincludedinthispreconstructionmeetingpacket.Allrequirementsofthecodesandregulationsfortheconstructionpermitcloseoutshouldbefollowedbythecontractoranddeveloper.16.FINALINSPECTIONWALKTHROUGH:ContractorshallaccompanytheSiteInspectorduringthefinalwalkthroughandprovideanyrequiredtrafficcontrol.TRANSPORTATION:1.TRAFFICCONTROLPLAN:AnapprovedtrafficcontrolplaninaccordancewiththeManualonUniformTrafficControlDevices(MUTCD)isrequiredpriortoanyconstructionactivityintherightofway.AtrafficcontrolplanshouldbesubmittedtotheProjectManagerforreviewatleastthreeworkingdayspriortoproposedworkintherightofway.Thetrafficcontrolplanshallbesubmittedwiththetrafficcontrolplancoversheetfoundhere:https://rentonwa.gov/cms/one.aspx?portalld=7922741&pageld9340500Thetrafficcontrolplanshalladdressbothroadway!vehicularandsidewalk/pedestriantrafficimpacts.2.STREETRESTORATION:StreetrestorationisrequitedtoconformtotheCityofRentonTrenchRestorationandStreetOverlayRequirements.Acopyhasbeenprovided.Allstreetrepairsshallbecompleteandinplacewithin14days,orasdirectedbythePublicWorksInspector.LastModified9/6/20172VMCTrafficSignal&IntersectionRe-Alignment—C17005023,11/14/2018 3.PAVING:PavingshallbedoneinaccordancewithWSDOTStandardSpecificationsDivision5.Weatherlimitationsfromthisspecificationshallbefollowed.ReferenceSection5-04.3(16)forHMAweatherlimitations.Pavementsubgradeandrocksurfacesshallbecompactedtoatleast95%ofthemaximumdensity.4.TRENCHES:TrenchesshallnotbeleftovernightwithoutapprovalofthePublicWorksInspector.Trenchesshallbebackfilled,plated,orfenced.TheproposedmethodofcoverorprotectionshallbesubmittedtothePublicWorksInspectorforapproval.Shoringplatesandcoldmixshallbeavailableonsiteatalltimes.ThePublicWorksInspectorwillrequirecoldmixfortrenchrestorationinsidewalksordriveways.5.Citystreetsshallbekeptcleanatalltimes.Streetsshallbesweptinatimelymanner.Truckwashingand/orothermeasuresasapprovedbythePublicWorksInspectormayberequiredforthedurationoftheproject.6.Constructiontrafficshallobservealltrafficlaws.Allhaulingshallconsistoflegalloads.7.Therightofwayshallremainunobstructedwhenpossible.Nostockpilesareallowedintherightofway.Alltruckmaneuveringandmaterialsstorageshalloccuron-site.8.NOISEVARIANCE:Projectsthatincludeconstructionbetween10pmand7amwillrequireanoisevarianceiftheprojectislocatedwithin300feetofaresidentialzone.•Forworknotexceeding2days,anAdministrativenoisevarianceisrequired.Theprocesswilltakeapproximatelyfivetosixweeksforthereview,publicnotification,decision,andendofappealperiodpriortostartofwork.•Forworkexceeding2days,aPublicHearingwillberequired.Theprocesswilltakeapproximatelytwelveweeksforthereview,publicnotification,PublicHearing,HearingExaminerdecision,andendofappealperiodpriortostartofwork.Pleaseconsiderthenoisevariancetimerequirementswhenyouplanandscheduletheconstructionwork.CITYUTILITIESWATER:1.Forwatermainshutdownsortoopenorcloseavalve,calltheCityPublicWorksMaintenanceServicesDivisionat425-430-7400.Foremergencywatershutdowns,call911.2.Pipematerials,valves,andfittingsshallbeasindicatedontheapprovedplansandstandardnotes.3.Wheninstallingwatermaininnewroadways,theproposedroadprismshallbeconstructedtosubgradepriortoanyutilityinstallation.4.TheCityofRentonshallinstallallconnectionstoexistingmains.Thecontractorshallconstructthenewwatermaintoapointapproximatelytenfeetshortoftheexistingmain.Allnecessaryexcavation,shoring,andmaterialsaresuppliedbythecontractorandshallbeon-sitepriortoscheduling.Allowatleastsevenworkingdaysadvancenotice,andscheduletheconnectionthroughthePublicWorksInspector.5.Temporaryandpermanentthrustblocksshallbeformed.Concreteforthrustblocksshallbedeliveredtothejob.Noon-sitemixesareallowed.Standardmixdesignshallbe3,000psi.Allblockingshallbeinspectedbeforebackfilling.6.Procedureforcleaningandconstructiontestingofnewwaterlines:LastModified9/6/20173VMCTrafficSignal&IntersectionRe-Alignment—C17005023,11/14/2018 a.Pipecleaningshallbebypolypiggingthroughverticalcrossesinstalledattheendsofthewaterlinestoserveaspiglaunchesandsedimenttraps.b.Watermainshallbepolywrapped.c.Allwaterlinesshallbepressuretestedtominimumof200psior150psioveroperatingpressure(static)for2hours.Servicesmaybetestedseparatelybyvisualinspectionofthecorpstopunderstaticpressure.d.Chlorinatefor24hours,usingliquidchlorineandchlorinepumpassembly.ThePublicWorksshallschedulechlorination.Sevenworkingdaysadvancenoticeisrequired.e.Waterusedforflushingwaterlinesshallbedrainedintothesanitaryseweronly.f.Theconstructioninspectorwillcollectpuritytestsatblow-offs.WaterpuritytestsaretakentothetestinglaboratorybythePublicWorksInspector.Testresultsareavailablein5-7days.7.5/8”minuscrushedrockbackfilltogradeisrequiredinCityright-of-way.Recycled1-1/4”concretemaybeusedinlieuofcrushedrockbackfill.PitruntypematerialmaybeconsideredforuseinbackfillifapprovedbythePublicWorksInspector.Backfillshallbecompactedtoatleast95%ofmaximumdensity.Compactiontestingisrequired.8.Whereconflictexists,thewatermainshallgounderotherutilities;however,itispreferredthatnowatermainsshallhavemorethansixfeetofcover.Watermainswithadiameterof10-inchesandundershallhaveaminimumofthreefeetofcover.Watermains12-inchesandlargershallhaveaminimumoffourfeetofcover.9.Allbendsonwatermainsshallbesurveyedpriortobackfillwithhorizontalandverticalcontrolforallbendsestablished.10.Finalacceptanceshallbeafterfinalwalkthroughinspection,adjustmentofallstructures,andapprovalofasbuilts,costdatainventory,easementsandbillofsaleifapplicable.STORM/EROSIONCONTROL:1.ApprovedtemporaryerosionandsedimentcontrolfTESC)andstormwaterpollutionpreventionandspillcontrol(SWPPS)measuresaretobeinstalledasfirstorderofbusinessandmaintainedatalltimespertheapproveddrawingsoratthedirectionoftheConstructionStormwaterSupervisor,ortheprojectCertifiedErosionandSedimentControlLead(CESCL),andthePublicWorksInspector.2.TheapprovedStormwaterPollutionPreventionPlan(SWPPP)(over1acredisturbed)orConstructionStormPollutionPreventionPlan(CSWPPP)(under1acredisturbed)shallbelocatedonsiteatalltimes.3.TheConstructionStormwaterSupervisororCESCLshallreviewthesite’sTESCandSWPP5measuresatleastweeklyandwithin24hoursofsignificantstorms.Weeklyreportsoutliningthestatusandconditionoftheerosioncontrolplan,withanyrecommendationsofchangeorrevisiontomaintenanceschedulesorinstallation,arerequiredtobesubmittedbytheprojectEngineerofrecordorCECSLtotheProjectManagerandPublicWorksInspector.Weeklyreportsshallincludetheproject’sNPDESpermitnumber(ifapplicable).4.Ifdewateringforthesiteisrequired,allsiteconstructionstormwaterdischargeshallbelessthan25NTUsifdischargedintoWatersoftheState.AnypipeconveyancesystemthateventuallydischargestoabodyofwaterisconstruedasdischargingintoWateroftheState.LastModified9/6/20174VMCTrafficSignal&IntersectionRe-Alignment—C17005023,11/14/2018 5.IfdewateringisproposedtotheCitysewerthenapermitfromtheCityandKingCountywillberequited.Ifdewateringisproposedtoasewersystembelongingtoanothersewerdistrict,contactthatdistrictforapproval.Contractorisstronglyencouragedtoobtainallrequitedsewerdischargepermitsinadvanceofanyanticipatedneedtodischargetoasewer.6.WetSeasonrequirementsfoundinAppendixDofthe2017CityofRentonSurfaceWaterDesignManual(RSWDM)shallbeadheredtoforconstructionoccurringbetweenOctober1tandApril30th7.DustcontrolshallbeimplementedasdirectedbythePublicWorksInspector.8.ProperremovalofallTESCmeasuresisrequiredpriortopermitcloseoutunlessotherwiseapprovedbythePublicWorksInspectororProjectManager.9.Pipeandmaterialsshallbeasindicatedontheapprovedplansandstandardnotes.10.Wheninstallingstormdraininnewroadways,theproposedroadprismshallbeconstructedtosubgradepriortoanyutilityinstallation.11.ContractormustnotifytheProjectManagerandPublicWorksInspectorofanyverticalconflictpriortoproceedingwithconstruction.AnyproposedchangesshallbesubmittedtotheCityasdescribedintheMajorFieldChangesnote.12.PipebeddingmaterialshallbeperWSDOTStandardSpecifications9-03.12(3)orasapprovedbythePublicWorksInspector.Backfillshallbecompactedtoatleast95%ofmaximumdensity.Compactiontestingisrequired.13.Smoothinteriorwallcorrugatedpolyethylenestotmwaterpipe,wherepermitted,shallusewatertightcouplings.ItshallalsobebeddedinpeagravelasdescribedintheCityspecifications.14.Catchbasinsshallbegroutedsmoothly.15.Noshimsorwedgesshallbeusedonanyutilitystructure.16.ContractorwillberesponsibleforTyingofthestormdrain.PressuretestsonthestormdrainshallbeperCityspecifications.17.Thestormsystemshallbeflushedandcleanedpriortofinalapproval.Thisincludesthedownstreamsystemforaminimumoftwostructuresor500feet,whicheverisgreater.FRANCHISEUTILITIES:1.Permitsforfranchiseutilityworkshallbeobtainedpriortofranchiseutilityinstallationinexistingorfuturerightofway.Eachfranchiseutilityrequiresaseparatepermit.Franchisepermitscanbeappliedforatthepermitcounteronthe6thfloorofCityHall.Plansshouldbesubmittedatleasttwoweekspriortoanticipatedinstallation.Provideacopyoftheapprovedcompositeutilitydrawingwitheachfranchisepermitapplication.2.AllfranchiseutilitieswithintheCityofRentonrightofwaymustbeinspectedbytheCityofRentonFranchiseInspector.Calltheinspectionlineat425-430-720324hourspriortoinstallation.3.Permitsforeachfranchiseutilityinajointtrenchshallbeobtainedpriortotheexcavationofthejointtrench.4.Allfranchiseutilitiesshallbeseparatedaminimumof5’horizontallyand12”verticallyfromallCityutilities.5.Thecompositeutilitydrawingshallbeas-builttoshowallfranchiseutilitylocationsandcrossings.Theas-builtcompositedrawingshallbeincludedwiththerecorddrawingsubmittalafterconstructioniscomplete.CastModified9/6/20175VMCTrafficSignal&IntersectionRe-Alignment—C17005023,11/14/2018 FIREPREVENTION:1.Accesstothesiteshallbemaintainedatalltimes.Accessmustbeabletosupportemergencyequipmentinalltypesofweather.2.Hydrantsarerequiredtobeinplacepriortoanycombustibleinstallationabovethefoundations.3.AllnewhydrantsshallbeCorytypehydrantsandpaintedSafetyYellow.IowaandRenseleararemanufacturersofCorytypehydrants.Alternativehydrants,suchasClawMedallionorMuellerSuperCenturionhavebeenapprovedforuse.Anyhydrantinstalledshallbeequippedwith5-inchdiameterStorzquickconnectstylefitting.AllconcreteblockingforthehydrantassemblyshallbeinspectedbythePublicWorksInspectorpriortobackfill.4.Newhydrantsshallbecoveredwithburlaporheavyplasticandwrappeduntiloperational.5.Hydrantwatermainleadsthatexceed50feetinlengthshallconsistofaminimumof8-inchdiameterpipe.6.AseparatepermitfromtheRentonFireAuthorityisrequiredforthefollowingitems.Thesepermitscanbeappliedforatthe6thFloorofCityHall.a.Undergroundwatermainsservingfiresprinklersystems.AllfiresprinklersystemsshallbeinstalledbyaFireSprinklerContractorlicensedintheStateofWashington.b.Temporarystorage,handling,oruseofhazardousmaterials,asrequiredbyInternationalFireCodeandCityofRentonOrdinance.c.Temporarystorageoffuelonsite.U.Abandonment,removal,orinstallationoffuelstoragetanks.e.Hotworksonsite(welding,soldering,cutting,brazing,etc.).PLANNING:1.TREEPROTECTION:a.Priortodevelopmentactivities,theapplicantshallerectandmaintainsixfoot(6’)highchainlinktemporaryconstructionfencingaroundthedriplinesofallretainedtreesoratadistancesurroundingthetreeequaltooneandone-quarterfeet(1.25’)foreveryoneinch(1”)oftrunkcaliper,whicheverisgreater,oralongtheperimeterofatreeprotectiontract.Placardsshallbeplacedonfencingeveryfiftyfeet(50’)indicatingthewords,“NOTRESPASSING—ProtectedTrees,”oroneachsideofthefencingiflessthanfiftyfeet(50’).Siteaccesstoindividuallyprotectedtreesorgroupsoftreesshallbefencedandsigned.Individualtreesshallbefencedonfour(4)sides.Inaddition,theapplicantshallprovidesupervisionwheneverequipmentortrucksaremovingneartrees.b.Theapplicantmaynotfill,excavate,stackorstoreanyequipment,disposeofanymaterials,supplies,orfluids,operateanyequipment,installimpervioussurfaces,orcompacttheearthinanywaywithintheareadefinedbythedriplineofanytreetoberetained.c.Allareaswithintherequiredfencingshallbecoveredcompletelyandevenlywithaminimumofthreeinches(3”)ofbarkmulchpriortoinstallationoftheprotectivefencing.Exceptionsmaybeapprovedifthemulchwilladverselyaffectprotectedgroundcoverplants.LastModified9/6/20176VMCTrafficSignal&IntersectionRe-Alignment—C17005023,11/14/2018 U.Theapplicantshallretainacertifiedarboristorlicensedlandscapearchitecttoensuretreesareprotectedfromdevelopmentactivitiesand/ortoprunebranchesandroots,fertilize,andwaterasappropriateforanytreesandgroundcoverthataretoberetained.e.Treeprotection(fencing,etc.)mustberetainedthroughouttheproject(siteandbuildingdevelopment).2.Ifapplicable,noworkshalloccurwithincriticalareasandbrbuffersunlessmodifiedaccordingtoRMC4-3-050(bufferreduction,averaging,criticalareavarianceand/orexemption).MitigationplantingsshalloccurinaccordancewiththeapprovedFinalMitigationplan.3.ContactthePlanningReviewerdirectlyforlandscapeinspection.4.Thecontractor/applicantshallcomplywithallconditionsoflanduseapprovalandSEPAEnvironmentalReview.ConditionsarelistedonthefirstorsecondsheetoftheapprovedplanELECTRICAL:1.AftercallingintheinspectionrequestthroughtheInspectionRequestLine,contactRyanPuddy(206-999-1821)orJackOxford(206-999-1822)at7:30a.m.themorningoftheinspectiontoprovideacontactnameandphonenumberforarrangingtheelectricalinspectionwithyourrepresentative.2.Haveinyourpossessiontheelectricalpermitandstreetlightluminairechecklist.Insertbothinacleatplasticdocumentprotectorandattachittoaconduitstubbedup.Ifthesignalcontrolboxisinstalled,forundergroundconduitinspectionapproval,placethedocumentsinthesignalcontrolbox.3.Serviceinspectionforsignalorlightingcontrolpedestalsrequiresaccessforelectricalinspection.Ifapproved,aserviceapprovalstickerwillbeattachedbythemeteropeningfortheservingutility.Theservingutilitywillnotandshallnotconnectpowerunlesstheapprovalstickerisinplace.4.AllgroundingistomeetStandardPlan-119,datedJanuary26,2015.5.ProvideMeggerTestReportofallwiringtoidentifyanyundergroundedconductorthatisgroundedoropennotcompletingcircuit.6.Whencallinginarequestforfinalelectricalinspection,provideaccesstoallhandholesandaccessopeningstolightpoles.Someboltsrequirespecialsocketsorwrenches,whicharenotavailabletoorprovidedbytheElectricalInspector.7.Electricalcabinets(Millbankservicecabinets)donotmeettheminimumCitycodestandards,thereforeshallnotbeconsideredallowable.8.LightingContractorshouldcoordinatewithConstructioninspector(425-430-7203),ElectricalInspector(425-430-72020),andTransportationMaintenance/Streetlightinspection(425-430-7423)fortherequiredinspections.PleaseseetheStreetLightingInspectionchecklistthatisprovidedwiththispreconstructionmeetingpacketforinformationofthenecessaryinspectionsandthestagesofconstructionwhentherespectiveinspectionisrequitedtobecalledinbythecontractor.LastModified9/6/20177VMCTrafficSignal&IntersectionRe-Alignment—C17005023,11/14/2018 I, DEPARTMENTOFCOMMUNITY-w-CITYOFANDECONOMICDEVELOPMENT—————“R4entonEPlanningDivisionI1055SouthGradyWay,6thFloorIRenton,WA98057425-430-7200Website:rentonwa.govTRENCHRESTORATIONANDSTREETOVERLAYREQUIREMENTSPublished:2/15/2018Itistheintentofthefollowingpolicies,proceduresandspecificationstoobtainsatisfactoryworkwithaminimumofdelaytoallpartiesconcernedwhenperformingtrenchrestorationsorstreetoverlays.PURPOSEThepurposeofthisCodeSectionistoestablishguidelinesfortherestorationofCitystreetsdisturbedbyinstallationofutilitiesandotherconstructionactivities.Anypublicorprivateutilities,generalcontractors,orotherspermittedtoworkinthepublicright-of-waywilladheretotheproceduressetforthinthispolicy.DEFINITIONEngineer:Theterm“engineer”shalldenotetheCityprojectmanager,inspectorand/orplanreviewer,ortheirdesignatedrepresentative.APPLICATIONThefollowingstandardsinthisSectionshallbefollowedwhendoingtrenchorexcavationworkwithinthepavedportionofanyCityofRentonright-of-way.ModificationsorexemptionstothesestandardsmaybeauthorizedbytheCommunityandEconomicDevelopmentAdministrator,orauthorizedrepresentative,uponwrittenrequestbythepermittee,thepermittee’scontractororengineer,anddemonstrationofanequivalentalternative.HOURSOFOPERATIONSHoursforworkwithintheroadwayforasphaltoverlaysortrenchrestorationshallbeasdirectedbytheTrafficControlPlanrequirementsandtheTrafficOperationsEngineer.INSPECTIONTheEngineermaydetermineinthefieldthatafullstreet-width(edge-of-pavementtoedge-of-pavement)overlayisrequiredduetochangesinthepermitconditionssuchas,butnotlimitedtothefollowing:1.Therehasbeendamagetotheexistingasphaltsurfaceduetothecontractor’sequipment.2.Thetrenchwidthwasincreasedsignificantlyortheexistingpavementisunderminedordamaged.3.Anyotherconstructionrelatedactivitiesthatrequireadditionalpavementrestoration.Page1of10Published:2/16/2018 [ENCHRESTORATIONANDSTREETOVERLAYREQUIREMENTSfC0NT’D)ICITYOFRENTONSTANDARDSAllmaterialsandworkmanshipshallbeinaccordancewiththeCityofRentonStandardandSupplementalSpecifications(currentadoptedversion)exceptwhereotherwisenotedinthesestandards.MaterialsandworkmanshiparerequiredtobeinconformancewithstandardsfortheStandardSpecificationsforRoad,Bridge,andMunicipalConstructionpreparedbytheWashingtonStateChapteroftheAmericanPublicWorksAssociation(APWA)andtheWashingtonStateDepartmentofTransportation(WSDOT)andshallcomplywiththecurrentedition,asmodifiedbytheCityofRentonSupplementalSpecifications.1.AnasphaltpavershallbeusedinaccordancewithSection5-04.3(3)ofStandardSpecifications.A“LaytonBox”orequalmaybeusedinplaceofthepower-propelledpaver.RollersshallbeusedinaccordancewithSection5-04.3(4)oftheStandardSpecifications.“PlateCompactors”and“JumpingJacks”shallnotbeusedinlieuofrollers.2.TrenchbackfillandresurfacingshallbeasshownintheCityofRentonStandardDetails,unlessmodifiedbytheCitypermit.SurfacingdepthsshowninthestandarddetailsareminimumsandmaybeincreasedbytheEngineertomeettrafficloadsorsiteconditions.3.RequirementforPatching,Overlay,andOverlayWidths:Alltrenchandpavementcutsshallbemadebysawcutorbygrinding.Sawcutsorgrindingshallbeaminimumofonefoot(1’)outsidethetrenchwidth.Thetoptwoinches(2”)ofasphaltshallbegrounddowntoaminimumdistanceofonefoot(1’)beyondtheactualoutsideedgesofthetrenchandshallbereplacedwithtwoinches(2”)ofClassBasphalt,perCityofRentonStandardPlans.Atthediscretionoftheengineer,afullstreetwidthoverlaymayberequired.Lane-widthorafullstreet-widthoverlaywillbedeterminedbaseduponthelocationandlengthoftheproposedtrenchwithintheroadwaycross-section.Changesinfieldconditionsmaywarrantimplementationofadditionaloverlayrequirements.a.Trenches(RoadCrossings):(1)Theminimumwidthofatransversepatch(roadcrossing)shallbesixandone-halffeet(6.5’).SeeCityofRentonStandardPlans.(2)Anyaffectedlanewillbegrounddowntwoinches(2”)andpavedfortheentirewidthofthelane.(3)Thepatchshallbeaminimumofonefoot(1’)beyondtheexcavationandpatchlengthshallbeaminimumofanentiretraveledlane.(4)Iftheoutsideofthetrenchingiswithinthreefeet(3’)ofanyadjacentlaneline,theentireadjacenttraveledlaneaffectedwillberepaved.(5)Anareaincludingthetrenchandonefoot(1’)oneachsideofthetrenchbutnotlessthansixandone-halffeet(6.5’)totalfortheentirewidthoftheaffectedtraveledlaneswillbegrounddowntoadepthoftwoinches(2”).Atwo-inch(2”)overlayofClassBasphaltwillbeappliedperCitystandards.b.TrenchesRunningParallelwiththeStreet:(1)Theminimumwidthofalongitudinalpatchshallbefourandone-halffeet(4.5’).SeeCityofRentonStandardPlans.(2)Ifthetrenchingiswithinasingletraveledlane,anentirelane-widthoverlaywillberequired.Page2oflOIPublished:2/16/2018 IITRENCHRESTORATIONANDSTREETOVERLAYREQUIREMENTS(C0NT’D)I(3)Iftheoutsideofthetrenchingiswithinthreefeet(3’)ofanyadjacentlaneline,theentireadjacenttraveledlandaffectedwillbeoverlaid.(4)Ifthetrenchingisgreaterthanorequalto30%oflaneperblock(660footmaximumblocklength),orifthetotalpatchesexceed12perblock,thenthelanesaffectedwillbeoverlaid.Minimumoverlayshallincludeallpatcheswithintheblocksection.(5)Theentiretraveledlanewidthforthelengthofthetrenchandanadditionaltenfeet(10’)ateachendofthetrenchwillbegrounddowntoadepthoftwoinches(2”).Atwo-inch(2”)overlayofClassBwillbeappliedperCitystandards.c.Potholing:Potholingshallmeetthesamerequirementsastrenchingandpavementrestoration.Potholingshallbeaminimumofonefoot(1’)beyondtheexcavation.Allaffectedlaneswillbegrounddowntoadepthoftwoinches(2”)andpavednotlessthansixandonehalffeet(6.5’)widefortheentirewidthofthelane.Potholesgreaterthanfivefeet(5’)inlength,widthordiametershallberestoredtotrenchrestorationstandards.InallcasespotholesshallberepairedperRentonStandardPlans.RestorationrequirementsutilizingvactorequipmentwillbedeterminedbytheEngineer.4.PavementRemovalinLieuofGrinding:Thecontractorinallcasescanremovethepavementinthereplacementareainsteadofgrindingoutthespecifiedtwoinches(2”)ofasphalt.Fullpavementreplacementtomeetorexceedtheexistingpavementdepthwillberequiredfortheareaofpavementremoval.PatchingofperviousconcreteshallfollowAmericanConcreteInstitute(ACI)522.1-13.Porousasphaltshallbespecifiedonaproject-by-projectbasisbytheengineer.Permeablematerialsshouldbereplacedin-kindwherefeasible.Patchingporousasphaltwithconventionalasphaltisacceptableifitisnomorethantenpercent(10%)ofthetotalfacilityareaordoesnotimpacttheoverallfacilityfunction.Appropriateprecautionsshallbetakenduringpavementrepairandreplacementeffortstopreventcloggingofadjacentsurfaces.5.TrenchBackfillandRestorationConstructionRequirements:a.Trenchrestorationshallbeeitherbyapatchoroverlaymethod,asrequiredandindicatedonCityofRentonStandardPlans.b.Alltrenchandpavementcuts,whichwillnotbeoverlaid,shallbemadebysawcutorgrinding.Sawcutsshallbeaminimumoftwofeet(2’)outsidetheexcavatedtrenchwidth.c.Alltrenchingwithinthetopfourfeet(4’)shallbebackfilledwithcrushedsurfacingmaterialsconformingtoSection4-04oftheStandardSpecifications.Anytrenchingoverfourfeet(4’)indepthmayusematerialsapprovedbytheEngineerorMaterialsLabforbackfillingbelowthefour-foot(4’)depth.d.litheexistingmaterial(orothermaterial)isdeterminedbytheEngineertobesuitableforbackfill,thecontractormayusethenativematerialexceptthatthetopsixinches(6”)shallbecrushedsurfacingtopcoursematerial.e.Thetrenchshallbecompactedtoaminimumninety-fivepercent(95%)density,asdescribedinSection2-03oftheStandardSpecifications.Inthetopsixfeet(6’)ofanytrench,backfillcompactionshallbeperformedineight(8)totwelve-inch(12”)lifts.Anytrenchdeeperthansixfeet(6’)maybecompactedinPage3of10Published:2/16/2018 TRENCH RESTORATIONANDSTREETOVERLAYREQUIREMENTSfC0NT’D)Itwenty-fourinch(24’)lifts,uptothetopsix-foot(6’)zone.Alltrenchbackfillshallbefirmandunyieldingbutinnocaseshallbecompactedtomorethanninety-twopercent(92%)ofmaximumdensityinpermeablepavementareas.f.Allcompactionshallbeperformedbymechanicalmethods.Thecompactiontestsmaybeperformedinfour-foot(4’)verticalincrementsmaximum.ThetestresultsshallbegiventotheEngineerforreviewandapprovalpriortopaving.ThenumberandlocationoftestsrequiredshallbedeterminedbytheEngineer.d.TemporaryrestorationoftrenchesforovernightuseshallbeaccomplishedbyusingMCmix(coldmix),AsphaltTreatedBase(ATB),orsteelplates,asapprovedbytheEngineer.ATBusedfortemporaryrestorationmaybedumpeddirectlyintothetrench,bladedoutandrolled.Afterrolling,thetrenchmustbefilledflushwithasphalttoprovideasmoothridingsurface.lithetemporarytrenchrestorationdoesnotholdup,thecontractorshallrepairthepatchwithineighthoursofbeingnotifiedoftheproblembytheCity.Thisrequirementapplies24hoursperday,sevendaysperweek.IntheeventthattheCitydeterminestorepairthetemporarypatch,thecontractorshallreimbursetheCityinanamountthatisdoubletheCity’scostsinrepairingthepatch,withthesecondhalfofthereimbursementtorepresentCityoverheadandhiddencosts.e.AsphaltConcreteClassEorClassBshallbeplacedtothecompacteddepthasrequiredandindicatedonCityofRentonStandardPlansorasdirectedbytheEngineer.ThegradeofasphaltshallbeAR-4000W.ThematerialsshallbemadeinconformancewithSection9-02.1(4)oftheStandardSpecifications.f.TackcoatshallbeappliedtotheexistingpavementatedgeofsawcutsandshallbeemulsifiedasphaltgradeCSS-1,asspecifiedinSection9-02.1(6)oftheStandardSpecifications.TackshallbeappliedasspecifiedinSection5-04oftheStandardSpecifications.g.AsphaltConcreteClassEorClassBshallbeplacedinaccordancewithSection5-04oftheStandardSpecifications;exceptthoselongitudinaljointsbetweensuccessivelayersofasphaltconcreteshallbedisplacedlaterallyaminimumoftwelveinches(12”),unlessotherwiseapprovedbytheEngineer.FineandcoarseaggregateshallbeinaccordancewithSection9-03.8oftheStandardSpecifications.Allstreetsurfaces,walksordrivewayswithinthestreettrenchingareasshallbefeatheredandshimmedtoanextentthatprovidesasmooth-ridingconnectionandexpeditiousdrainageflowforthenewlypavedsurface.Featheringandshimmingshallnotdecreasetheminimumverticalcurbdepthbelowfourinches(4”)forstormwaterflow.TheEngineermayrequireadditionalgrindingtoincreasethecurbdepthavailableforstormwaterflowinareasthatareinadequate.ShimmingandfeatheringasrequiredbytheEngineershallbeaccomplishedbyrakingouttheoversizedaggregatesfromtheClassBmixasappropriate.SurfacesmoothnessshallbeperSection5-04.3(13)oftheStandardSpecifications.Thepavingshallbecorrectedbyremovalandrepavingofthetrenchonly.Asphaltpatchdepthswillvarybaseduponthestreetsbeingtrenched.TheactualdepthsofasphaltandtheworktobeperformedshallbeasrequiredandindicatedonCityofRentonStandardPlans.Compactionofallliftsofasphaltshallbeaminimumninety-twopercent(92%)ofdensityasdeterminedbyWSDOTTestMethod705.ThenumberoftestsrequiredshallbedeterminedbytheEngineer.Page4of10Published:2/16/2018 TRENCHRESTORATIONANDSTREETOVERLAYREQUIREMENTS(CONT’D)ITestingshallbeperformedbyanindependenttestinglabwiththeresultsbeingsuppliedtotheEngineer.Testingisnotintendedtorelievethecontractorfromanyliabilityforthetrenchrestoration.Itisintendedtoshowtheinspector,andtheCity,thattherestorationmeetsthesespecifications.h.Alljoints,exceptthoseassociatedwithpermeablepavement,shallbesealedusingpavingasphaltAR-4000W.i.Whentrenchingwithintheunpavedroadwayshoulder(s),theshouldershallberestoredtoitsoriginalcondition,orbetter.j.Thefinalpatchshallbecompletedassoonaspossibleandshallnotexceedfifteen(15)workingdaysafterfirstopeningthetrench.Thistimeframemaybeadjustedifdelaysareduetoinclementpavingweatherorotheradverseconditionsthatmayexist.However,delayingoffinalpatchoroverlayworkissubjecttotheEngineer’sapproval.TheEngineermaydeemitnecessarytocompletetheworkwithinthefifteen(15)workingdaytimeframeandnotallowanytimeextension.Shouldthisoccur,thecontractorshallperformthenecessarywork,asdirectedbytheEngineer.k.ACityofRentonTemporaryTrafficControlPlan(fromRentonTransportationEngineering)shallbesubmittedandapprovedbytheEngineeraminimumofthree(3)workingdayspriortocommencementofwork.6.RemovalofUtilityLocateMarkingsfromSidewalksRequired:ThepermitteewillberequiredtoremoveutilitylocatemarksonsidewalksonlywithintheCenterDowntownZone.Thepermitteeshallremovetheutilitylocatemarkswithin14daysofjobcompletion.PageSof10Published:2/16/2018 SEALEQUALANDDRYPATCHINGSECTIONA—ANOTESSEENOTE2REMOVEPAVEMENTANDBASEMATERIALSFORADISTANCEWHICHISEQUALTOTHEDIAMETEROFTHEFRAMEPLUSONEFOOT(MIN.).ADJUSTCASTINGFRAMETOPAVEMENTSURFACEUSINGRISERRINGSANDMORTAR.2.REPLACEEXCAVATEDMATERIALWITHAMINIMUMOF8”OFHMACLASS‘PG64-22(ORTOADEPTHTHATIS2BELOWTHEBOTTOMOFTHEUPPERADJUSTMENTRINGWHICHEVERISGREATER)ORASAPPROVEDBYTHEENGINEER.3.ADJUSTMENTRINGSANDFRAMESHALLBEFULLYBEDDEDINMORTAR.MORTARSHALLBEASTMC270FORTYPES.4.MORTARSHALLBEMIXEDANDAPPLIEDPERMANUFACTURERSDIRECTIONS.5.CONSTRUCTIONANDADJUSTMENTSHALLBEPERFORMEDONLYBYAJOURNEYMANMASON.6.ADJUSTMENTOFTHEFRAMETOGRADESHALLBEACCOMPLISHEDWITHADJUSTMENTRINGSANDMORTARONLY.THEUSEOFSHIMSISPROHIBITED.7.FRAMESHALLBEADJUSTEDTOPAVEMENTGRADEBYTAPPINGUNTILFRAMEISFLUSHWITHPAVEMENTASDETERMINEDWITHASTRAIGHTEDGEOFSUFFICIENTLENGTH.8.ALLMORTARJOINTSSHALLBETRIMMEDFLUSHANDREMAINVISIBLEUPONCOMPLETION.9.X=1.-a’MIN.TO2’-6”MAX.-PERENGINEER’SINSTRUCTIONCOVERCOVERPERSTDPLAN(SEENOTE9)AFTERPLANNTSMORTARJOINT(S)(3/8’MIN—2”MAX.)SEENOTE3ANDSPECIALPROVISION7—05.3(1).—ADJUSTMENTRING(1MIN.).SEENOTE6.0PUBLICWORKSTYPICALCONSTRUCTIONSTD.PLAN-106DEPARTMENTANDADJUSTMENTOFMANHOLERISERSQlmF1ø1LDA£ SPECIALNOTE:INTHEEVENTTRANSVERSEPATCHESEXISTWITHINTHEAFFECTEDSTREET.THELENGTHOFTHEPATCHSHALLBEEXTENDEDTOINCLUDEANYEXISTINGPATCHWiThIN10FEETOFTHEEDGEOFTHEPATCHREQUIREDFORTHENEWCROSSINGANDANYSUBSEQUENTPATCHEDGEWiTHIN10FEETOFTHEEDGEOFTHESECONDPATCHANDSOONUPTOATOTALOF300FEET.-CSTC,BANKRUNGRAVELFORTRENCHBACKFILL(9—03.19).GRAVELBORROW(9—03.14(1))PEPWSDOTSTANDARDSPECIFICATIONSORNATIVEMATERIALIFAPPROVEDINWRITINGBYENGINEERBASEDONGEOTECHREPORT,COMPACTEDTO955MODIFIEDPROCTOR.PIPEZONEBEDDING,MATERIAL—SEESTANDARDPLAN110.1.FORNOTES,SEESTANDARDPLAN110.1TRAFFICFLOW2’HMA2”TO8”FACEOFGUTTEROREDGEOFPAVEMENTCENTERLINEORLANELINE2’DEPTHOFPLANINGORSAWCUTANDREMDVEVARIES.6.5’MIN.1’1’—VARIES—HMINMINMINMINDEPTHOFEXIS11NGPAVEMENT2”SAWCUTANDORPLANE.SEALAR—4000W(EACHSIDE)2”HMA—“SAWCUTAFTERBACKFILL(EACHSIDE)2”—6”MIN.HMA(SEENOTE2)‘-6”CRUSHEDSURFACINGTOPCOURSE(CSTC)(9—039(3))PERWSDOTSTANDARDSPECIFICATIONS,COMPACTEDTO955MODIFIEDPROCTOR,WiDTHOfTRENCHASREQUIREDBYSIZEOFPROPOSEDIMPROVEMENT(SEEWSDOTSTANDARDSPECIFICATION2—094)PLUSANALLOWANCEFORANYSHORING.SHORING,IFNEEDED.SHALLMEETTHEREQUIREMENTSOFWSDOTSTANDARDSPECIFICATION7—08.3(1)0TRENCHWIDTH0PUBLICWORKSTYPICALTRANSVERSEPATCHFORPI.1AN-110DEPARTMENTPAVEMENTWITHOVERYIa/i)i7IFLEXIBLEPAVEMENTORRIGID VARIES:4.5’MIN.LANELINEING 2’SAWCUTANDREMOVEORPLANE,SEALWITHAR—4000WWIDTHOFTRENCHASREQUIREDBYSIZEOFPROPOSEDIMPROVEMENT(SEEWSDOTSTANDARDSPECIFICATION2—09.4)PLUSANALLOWANCEFORANYSHORING.SHORING.IFNEEDED.SHALLMEETTHEREQUIREMENTSOFWSDOTSTANDARDSPECIFICATION7—083(1)BOFPAyEMENT,EDGE_____OFCURB&GUTTER,ORCENTEROFLANEMARKINGCRUSHEDSURFACINGTOPCOURSE(CSTC)(9—03.9(3))PERWSDOTSTANDARDSPECIFCATIONS,COMPACTEDTO95%MODIFIEDPROCTORCSTC,BANKRUNGRAVELFORTRENCHBACKFILL(9—03.19),GRAVELBORROW(9—03.14(1))PERWSDOTSTANDARDSPECIFICATIONSORNATIVEMATERIALIFAPPROVEDINWRITINGBYENGINEERBASEDONGEOTECHREPORT,COMPACTEDTO95%MODIFIEDPROCTOR.—PIPEZONEBEDDINGMATERIALANDCOMPACTIONASREQUIREDBYTHEWSDOISTANDARDSPECIFICATIONSFORTHETYPEOFIMPROVEMENTINSTALLED,EXCEPT:*FORSTORMANDWATERPIPE,PERSTDPLAN220.0_____________*FORSANITARYSEWER,PERSTDPLAN405TREN’HWIDTH*FORJOINTUTILITYTRENCH,SANDWITH95%PASSINGA#4SIEVEANDLESSTHAN5%PASSINGA#200SIEVE1.WHENEXISTINGPAVEMENTINALANEREQUIRINGAFULLWIDTHREPLACEMENTISBROKENORDETERIORATEDTOAPAVEMENTCONDITIONINDEXRATINGOF70ORLESS,THEEXISTINGPAVEMENTINTHATLANE,ANDFORTHATDISTANCESOCLASSIFIED,SHALLBEREMOVEDANDREPLACEDWITHHMAMATCHINGTHEDEPTHUSEDINTHEEXISTINGSTREETORTHEDEPTHPERCITYSTANDARD,WHICHEVERISGREATER.2PRINCIPAL/MINOR/COLLECTOR,ARTERIAL,&INDUSTRIALACCESSSTREETS—MATERIALANDTHICKNESSSHALLBEHMACL“PG64—22ANDMATCHEXISTINGTHICKNESSANDINNOCASELESSTHAN6”.RESIDENTIALACCESSSTREETS—HMACL“PG64—22.THETHICKNESSSHALLBETHATOFTHEEXISTINGPAVEMENTSECTIONANDINNOCASELESSTHAN4”.3.WHENTHE“SAWCUTAFTERBACKFILL”ENCROACHESINTOANADJACENTLANE,CURB&GUTTERORSHOULDER,THEAFFECTEDLANESHALLBEPLANEDANDOVERLAIDWITHHMAFULLWIDTH,THECURB&GUTTERSHALLBEREMOVEDANDREPLACED,ORTHESHOULDERSHALLBEPLANEDORREMOVEDANDOVERLAIDWITHHMA.4,IFTRENCHUNDERMINESEXISTINGSIDEWALKAND/ORCURBS,THENTHESIDEWALKAND/ORCURBSHALLBEREPLACEDFROMEXPANSIONJOINTTOEXPANSIONJOINT.5.IFTRENCHINGTHROUGHEXISTINGDRIVEWAYORSIDEWALKRAMP,THEDRIVEWAYORSIDEWALKRAMPSHALLBEREPLACEDTOMEETADASTANDARDS.7—ISAWCUTAFTERBACKFILLDEPTHOFEXISTINGPAVEMENTtt____//2”—6”HMA______//(SEENOTE2)1’“S1’//MIN.\L2HMA(SEENOTE2)0NOTESISTD.PlAN—110.1ITYPICALLONGITUDINALPATCHPUBLICWORKSIFORFLEXIBLEPAVEMENTOR0DEPARTMENTRIGIDPAVEMENTWITHOVERLAY1OjI/j CLANEILANELANEIF/IIIItII1F/1I‘3I,‘IiiII‘LIIt•/II1,/‘I,IItfItiI/vI,f:-II‘II11LI.3I(LANELANELANEIiI.1/a:L)-a0tj’CCDINITIAL2”DEEPSAWCUTORGRIND,ANDLIMITOFFINALOVERLAY.GRINDANDPAVEFULLSTREETWIDTHOVERLAYREQUIREDEDGEOFEXISTINGPAVEMENTEDGEOFTRAVELEDLANE(EDGESTRIPE)VARIES:4.5’MIN(SEESTDPLAN110.1)CENTEROFANYMARKEDLANELINE,PROV1DENEWCHANNEUZATIONAFTEROVERLAYSECONDARYFULLDEPTHSAWCUTFORPROPOSEDTRENCHINITIAL2”DEEPSAWCUTORGRIND,ANDLIMITOFFINALOVERLAY.GRINDANDPAVEFULLSTREETW1DTHOVERLAYREQUIREDFORTYPICALSECTIONANDNOTESSEESTANDARDPLAN110.1IS’TD.PLAN—110.2‘PUBLICWORKSREQUIREDSAWCUT,GRINDANDF)fDEPARTMENTOVERLAYFORLONGITUDINALTRENCHESCD PORTLANDCEMENTCONCRETE(PCC)SHALLMEETTHEMATERIALANDCONSTRUCTIONREQUIREMENTSOFWSDOTSTANDARDSPECIFICATION5—05rSAWCUTSHALLBEVERTiCALANDINSTRAIGHTLINESI:::—-EXISTCCONCRETE._—SEENOTESBELOW-‘CSTC,BANKRUNGRAVELFORTRENCHBACKFILL(9—039(3)),GRAVELBORROW(9—03.14(1))PERWSDOTSTANDARDSPECIFICATIONSORNATIVEMATERILAIFAPPROVEDINWRITINGBYENGINEERBASEDONGEOTECHREPORT.COMPACTEDTO95%MODIFIEDPROCTOR.NOTES:1.TRANSVERSEJOINTS1—1/2DIAM.X18”©12DOWELBARSONCENTERMEETINGWSDOTSTANDARDSPECIFICATION9—07.5.2.LONGITUDINALJOINTS#5TIEBARSX30”©36”ONCENTER______________________________________________________MEETINGWSDOTSTANDARDSPECIFICATiON9—07.6___________________________________________________3.WHENTHEPCCPANELISLESSTHAN8”INTHICKNESS#5TIEBARSX30”SHALLBEUSED.FORTRANSVERSEJOINTSliEBARSSHALLBEON36”CENTERSWITHNOLESSTHAN2BARSPERSIDEONSMALLREPAIRSORREPLACEMENTPANELS.4.flEBARSANDCORROSION—RESISTANTDOWELBARSSHALLBEPLACEDIN______________________________________________________ACCORDANCEWITHWSDOTSTANDARDSPECIFICATION5—O5.3f1D).5.DOWELSSHALLNOTBEUSEDWHENPCCPANELISLESSTHAN8”INTHICKNESS6.NEWPCCPANELSHALLMATCHTHICKNESSOFEXISTiNGCONCRETEPAVEMENT._____________________________________________________7.FULLPCCPANEl.REPLACEMENTISNOTREQUIREDWHE’1OVERLAIDWiTHASPHALTPAVEMENT.TYPICALPATCHFORRIGIDISTD.PLAN-111PUBLICWORKSPAVEMENTWITHOUTASPHALTkP1’ICt’D:DEPARTMENTCONCRETEOVERLAY_______________SAWCUTSHALLBEVERTiCALANDINSTRAIGHTLINESSEEWSOOTSTANDARDSPECIFICATION5—01.3(6)ANDNOTESBELOWEXISTiNGCOMPACTEDBASE—”SIDEOFTRENCHI12”6”MIN.SIDEOFTRENCHCOMPACTEDCRUSHEDSURFACINGTOPCOURSE.PANELREPLACEMENTDETERMINATIONFULLCEMENTCONCRETEPANELREPLACEMENT:FORCEMENTCONCRETESURFACESTREETS,THEMINIMUMRESTORATIONSHALLBEFULLPANELREPLACEMENT,IFONEORMOREOFTHEFOLLOWINGCONDITIONSEXIST:CONDITIONSADDITIONALREQUIREMENTSALLBUSROUTESALLINTERSECTIONSPLUSONEPANELBEYONDTHECURBRETURN40%ORGREATEROFEXISTINGPANELREMOVALEXCELLENTCONDITION(BASEDON‘d1SUALAND/ORNON—DESTRUCTIONTESTINGPRINCIPAL,MINOR,COLLECTORARTERIALSANDALLSTREETSINCEOWITHOUTBUSROUTES DenisLawMayorCommunity&EconomicDevelopmentCE.“Chip”Vincent,AdministratorNovember14,2018BlakeRichardsJohansenConstructionCompanyIncP0Box674Buckley,WA98321-0674SUBJECTNOTICEOFSPECIALEROSIONCONTROLREQUIREMENTSANDCOLDWEATHERPAVINGVMCTalbotRoadTrafficSignalandIntersectionImprovements400S43rdStRenton,WA98055-5714Cl7005023DearBlakeRichards:ItisthattimeofyeartogivenoticetoalldevelopmentswithintheCitythatanysitewithexposedsoilsduringtheWETSEASON(October1toApril30)shallbesubjecttospecialerosioncontrolprovisions.ThesespecialprovisionsarerequiredinadditiontothestandardTESCcovermeasures.Pleasenotifyyourstaffoftheserequirements,aswellasrespondinwritingtothisletteridentifyingthenameandcontactinformationforyourcurrentprojectCertifiedErosionandSedimentControlLead(CESCL)orErosionandSedimentControlSupervisorifprojectislessthanoneacre.Allprojectsthatclear,grade,orotherwisedisturbthesite,mustprovideerosionandsedimentcontrolstothemaximumextentpossible,topreventthetransportofsedimentfromtheprojectsitetodownstreamdrainagefacilities,waterresources,andadjacentproperties.ThefollowingprovisionsforwetseasonconstructionaredetailedinAppendixDofthe2016CityofRentonSurfaceWaterDesignManual.Pleaseensureyoursiteisprotectedandcomplieswiththespecialprovisionsoutlinedbelow.Thebasicrequirementsare:1.Theallowedtimethatadisturbedareacanremainunworkedwithoutcovermeasuresisreducedtotwo(2)days,ratherthanseven(7).2.Stockpiles,steepcut,andfillslopesaretobecoveredorprotectedwithmulch,sod,plasticcovering,jutematetc.ifleftunworkedformorethan12hours.3.Covermaterials(plastic,matting,etc.)sufficienttocoveralldisturbedareas,shallbestockpiledandavailableonsite.4.Allareasthataretobeunworkedduringthewetseasonshallbeseededwithinoneweekofthebeginningofthewetseason.SeedingshouldbecompletedbySeptember23.5.Mulchisrequiredtoprotectallseededareas.6.Fiftylinearfeetofsiltfence(andthenecessarystakes)perdisturbedacremustbestockpiledonsite.7.Properlyinstalledsiltfencingismandatoryalongthedownslopeofalldisturbedareasofthesite.Perimeterprotectionfiltersrunoffandreducestheamountofsedimentthatmayleavethesite.1055SouthGradyWay,Renton,WA98057rentonwa.gov 8.Sedimentretentionisrequiredunlessnooffsitedischargeisanticipatedforthespecificdesignflow.9Constructionroadandparkinglotstabilizationarerequiredforallsitesunlessthesiteisunderlainbycoarse-grainedsoil.10.Surfacewatercontrolsarerequiredunlessnooffsitedischargeisanticipatedforthespecificdesignflow.11.PhasingandmoreconservativeBMPsmustbeevaluatedforconstructionactivitynearsurfacewaters.12.Anyrunoffgeneratedbydewateringshallbetreatedthroughconstructionofasedimenttrapwhenthereissufficientspaceorbyreleasingthewatertoawellvegetated,gentlyslopingarea.Sincepumpsareusedfordewatering,itmaybepossibletopumpthesediment-ladenwaterwellawayfromthesurfacewatersothatvegetationcanbemoreeffectivelyutilizedfortreatment.Astrawbalefiltershallbeplacedaroundthedischargefromthedewateringpump.Ifthereisnotspaceforasedimenttrapor25feetofsuitablevegetation,otherfiltrationmethodsshallberequired.13.Thefrequencyofmaintenancereviewshouldbeincreasedfromweeklytodailywherewarranted.TheCityofRentoniscommittedtoeffectiveerosionandsedimentcontrolpractices.Pleasebeadvisedifvoluntaryactionisnottakentoproperlyprotectyoursite,acivilinfractioncitationcanbeissuedandcivilpenaltieswillbeassessedforeachandeverydaytheinfractioncontinues.FinesunderRentonMunicipalCodeTitleI,Chapter3,areasfollows:Firstthree(3)daysofviolationat$100aday;secondthree(3)daysofviolationat$200aday;third(3)daysofviolationat$300adayand$500adayeachadditionaldaythereafter.Inaddition,anypavingperformedduringCOLDWEATHER(October1-March31)shallbesubjecttospecialprovisions.Thebasicrequirementsare:1.Thecontractorshallsubmitawrittenrequesttotheengineer(Cityprojectmanager)requestingtopavewearingcourseifpavingbetweenOctober1stthroughMarch31st.2.WSDOTspecification5-04.3(16)WeatherLimitationsdescribesthetemperaturelimitationforcoldweatherpaving.Thecontractorshouldhaveamaterialtesteronsitetoverifybothcompactionaswellastemperature.4.ReportsshouldbesenttotheCityofRentonensuringthatthecompactionandtemperatureweremetduringpaving.Thankyouforyourcooperation.Ifyouhaveanyquestions,pleasecontactyourprojectinspectororyoumayreachmeat425-430-7299orbbannwarth@rentonwa.govSincerely,BrianneBannwarthDevelopmentEngineeringManagercc:PatMiller,ConstructionInspectionSupervisorJennyCisneros,AdministrativeSecretaryMelanieGutierrez,ApplicantAnnFowler,DevelopmentEngineerProjectManager