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HomeMy WebLinkAboutERC Determination.Mitigation Measures.Notice_Lake to Sound Trail_15-000257DenisLawMayorJanuary14,2016‘b--Community&EconomicDevelopmentDepartmentC.E.”Chip”Vincent,AdministratorWashingtonStateDepartmentofEcologyEnvironmentalReviewSectionPDBox47703Olympia,WA98504-7703Subject:ENVIRONMENTAL(SEPA)THRESHOLDDETERMINATIONTransmittedherewithisacopyoftheEnvironmentalDeterminationforthefollowingprojectreviewedbytheEnvironmentalReviewCommitteefERC)onJanuary11,2016:SEPADETERMINATION:PROJECTNAME:PROJECTNUMBER:DeterminationofNon-SignificanceMitigatedfDNSM)LaketoSoundRegionalTrail—SegementALUA15-000257,ECF,SSDP,S-CUP,S-VAppealsoftheenvironmentaldeterminationmustbefiledinwritingonorbefore5:00p.m.onJanuary29,2016,togetherwiththerequiredfeewith:HearingExaminer,CityofRenton,1055SouthGradyWay,Renton,WA98057.AppealstotheExamineraregovernedbyRMC4-8-110andinformationregardingtheappealprocessmaybeobtainedfromtheCityClerk’sOffice,(425)430-6510.PleaserefertotheenclosedNoticeofEnvironmentalDeterminationforcompletedetails.Ifyouhavequestions,pleasecallmeat(425)430-6593.FortheEnvironmentalReviewCommittee,fb—KrisSorensenAssociatePlannerEnclosurecc:KingCountyWastewaterTreatmentDivisionBoydPowers,DepartmentofNaturalResourcesKarenWalter,Fisheries,MuckleshootIndianTribeMelissaCalvert,MuckleshootCulturalResourcesProgramGretchenKaehler,OfficeofArchaeology&HistoricPreservationRaminPazooki,WSDOT,NWRegionLarryFisher,WDFWDuwamishTribalOfficeUSArmyCorp.ofEngineersRentonCityHall1055SouthGradyWayRenton,Washington98057.rentonwa.gov DEPARTMENTOFCOMMUNITYANDECONOMICDEVELOPMENTENVIRONMENTAL(SEPA)DETERMINATIONOFNON-SIGNIFICANCE-MITIGATED(DNS-M)PROJECTNUMBER:LUA15-000257,ECF,SSDP,S-CUP,S-VAPPLICANT:KingCountyParks,Attn:JasonRich,CapitalProjects;KingStreetCenter,7thFloor;201S.JacksonSt.;Seattle,WA98104PROJECTNAME:LaketoSoundRegionalTrail-SegmentAPROJECTDESCRIPTION:TheapplicantisrequestingSEPAEnvironmentalReview,aShorelineConditionalUsePermit,aShorelineVariance,andaShorelineSubstantialDevelopmentPermittoimproveanexistinginformal1.2-miletrailwithinthecitiesofTukwilaandRentonwitha12-footwidepavedtrailandnewbridgeovertheBlackRiver.Theproposalispartofalarger16-mileLaketoSoundTrailthatlinksLakeWashingtontoPugetSound.AdditionalapprovalsfortheTukwilaportionofthetrailarerequired.ARentonShorelineVariancefromRMC4-3-090.D.2.d.ix.fisrequiredforthetrailareaslocatedinwetlandbuffersbecausetheproposalexceedsa4-footwidthandispaved.InRenton,thetrailislocatedoncityownedandrailroadownedparcelsthatarezonedCommercialOffice(CO)andResourceConservation(RC).InTukwila,thetrailislocatedonprivateandpublicparcelsthatarezonedHeavyIndustrial(HI)andLowDensityResidential(LDR).ThetrailareawithinRentonislocatedintheBlackRiver-SpringbrookCreek‘NaturalTshorelineandassociatedwetlandbuffers.WithinTukwila,thetrailislocatedwithinthe200-footGreenandBlackRivershorelinebufferregulationareas.Partsofthetrailarelocatedinthe1995DFIRMFloodplainarea.1,500cubicyardsofgradingand3,000cubicyardsoffillareproposed.Treeswouldberemovedalongthetrailalignmentandwithinshorelinebufferareas.98,297squarefeetofmitigationandplantingareasareproposedwithnativespecies.OtherprojectelementsincludeanewpedestriancrossingatMonsterRoad,undercrossingsofrailroadbridges,retainingwalls,fences,signage,andstormwaterimprovements.Workwouldbelimitedtospecifictimesoftheyearbasedonreducingimpactstonearbywildlifeandoverwaterworkforthenewbridge.Theprojectisanticipatedtohavenonetlossofecologicalfunctionoftheregulatedshorelineareasasrequiredbystate,federal,andlocalregulations.StudiessubmittedincludeaBridgeGeotechnicalReport,VegetationandWildlifeDisciplineReport,CriticalAreasReport,StreamDisciplineReport,DrainageReport,EndangeredSpeciesActNoEffectdocument,andNEPAExemption.Constructionworkwouldbegininspring2016andlast12months.PROJECTLOCATION:BlackRiverRiparianForestinCityofRentonandFortDentParkinCityofTukwilaLEADAGENCY:CityofRentonEnvironmentalReviewCommitteeDepartmentofCommunity&EconomicDevelopmentTheCityofRentonEnvironmentalReviewCommitteehasdeterminedthatitdoesnothaveaprobablesignificantadverseimpactontheenvironment.AnEnvironmentalImpactStatement(EIS)isnotrequiredunderRCW43.21C.030(2)(c).ConditionswereimposedasmitigationmeasuresbytheEnvironmentalReviewCommitteeundertheirauthorityofSection4-9-070DRentonMunicipalCode.Theseconditionsarenecessarytomitigateenvironmentalimpactsidentifiedduringtheenvironmentalreviewprocess.Becauseotheragenciesofjuri5dictionmaybeinvolved,theleadagencywillnotactonthisproposalforfourteen(14)days.Appealsoftheenvironmentaldeterminationmustbefiledinwritingonorbefore5:00p.m.onJanuary29,2016.Appealsmustbefiledinwritingtogetherwiththerequiredfeewith:HearingExaminer,CityofRenton,1055SouthGradyWay,Renton,WA98057.AppealstotheExamineraregovernedbyRMC4-8-110andmoreinformationmaybeobtainedfromtheRentonCityClerk’sOffice,(425)430-6510. DEPARTMENTOFCOMMUNITYANDECONOMICDEVELOPMENTPUBLICATIONDATE:January15,2016DATEOFDECISION:January11,2016SIGNATURES:i/n/lGreggZimmermpniAd’iinistratorIIrI1%terson,PublicWorksDepr’entDateFirenergenrvice-sDate-gashlya,AdministratoDateDepartmentofCommunity&DateC.E.“Chip”Vincent,AdministratorCommunityServicesDepartment,_./EconomicDevelopment CITYOFANDECONOMICDEVELOPMENTDETERMINATIONOFNON-SIGNIFICANCE-MITIGATED(DNSM)MITIGATIONMEASURESANDADVISORYNOTESPROJECTNUMBER:LUA15-000257,ECF,SSDP,S-CUP,S-VAPPLICANT:KingCountyParks,Attn:JasonRich,CapitalProjects;KingStreetCenter,7thFloor;201S.JacksonSt.;Seattle,WA98104PROJECTNAME:LaketoSoundRegionalTrail—SegementAPROJECTDESCRIPTION:TheapplicantisrequestingSEPAEnvironmentalReview,aShorelineConditionalUsePermit,aShorelineVariance,andaShorelineSubstantialDevelopmentPermittoimproveanexistinginformal1.2-miletrailwithinthecitiesofTukwilaandRentonwitha12-footwidepavedtrailandnewbridgeovertheBlackRiver.Theproposalispartofalarger16-mileLaketoSoundTrailthatlinksLakeWashingtontoPugetSound.AdditionalapprovalsfortheTukwilaportionofthetrailarerequired.ARentonShorelineVariancefromRMC4-3-090.D.2.d.ix.fisrequiredforthetrailareaslocatedinwetlandbuffersbecausetheproposalexceedsa4-footwidthandispaved.InRenton,thetrailislocatedoncityownedandrailroadownedparcelsthatarezonedCommercialOffice(CO)andResourceConservation(RC).InTukwila,thetrailislocatedonprivateandpublicparcelsthatarezonedHeavyIndustrial(HI)andLowDensityResidential(LDR).ThetrailareawithinRentonislocatedintheBlackRiver-SpringbrookCreekNatural’shorelineandassociatedwetlandbuffers.WithinTukwila,thetrailislocatedwithinthe200-footGreenandBlackRivershorelinebufferregulationareas.Partsofthetrailarelocatedinthe1995DFIRMFloodplainarea.1,500cubicyardsofgradingand3,000cubicyardsoffillareproposed.Treeswouldberemovedalongthetrailalignmentandwithinshorelinebufferareas.98,297squarefeetofmitigationandplantingareasareproposedwithnativespecies.OtherprojectelementsincludeanewpedestriancrossingatMonsterRoad,undercrossingsofrailroadbridges,retainingwalls,fences,signage,andstormwaterimprovements.Workwouldbelimitedtospecifictimesoftheyearbasedonreducingimpactstonearbywildlifeandoverwaterworkforthenewbridge.Theprojectisanticipatedtohavenonetlossofecologicalfunctionoftheregulatedshorelineareasasrequiredbystate,federal,andlocalregulations.StudiessubmittedincludeaBridgeGeotechnicalReport,VegetationandWildlifeDisciplineReport,CriticalAreasReport,StreamDisciplineReport,DrainageReport,EndangeredSpeciesActNoEffectdocument,andNEPAExemption.Constructionworkwouldbegininspring2016andlast12months.PROJECTLOCATION:BlackRiverRiparianForestinCityofRentonandFortDentParkinCityofTukwilaLEADAGENCY:TheCityofRentonDepartmentofCommunity&EconomicDevelopmentPlanningDivision MITIGATIONMEASURES:1.TheapplicantshallprovideanyupdatedgeotechnicalreportfortheBlackRiverBridgewhichshallbesubmittedaspartofrequiredbuildingpermitapplication.2.TheapplicantshallberequiredtocomplywiththerecommendationsincludedintheDraftGeotechnicalReport-BlackRiverBridge,preparedbyHWAGeoSciencesInc,datedFebruary24,2015,Exhibit9,oranyupdatedgeotechnicalreportcreatedfortheproject.3.TheapplicantshallfollowthebridgeconstructionimpactsavoidancemeasuresaslistedinAppendixCoftheSeptember2015No-EffectsDeterminationfortheLaketoSoundTrail—SegmentA,Exhibit27.4.TheapplicantshallfollowtheplantingplanoranupdatedplantingplanandmonitoringandoftheFinalCriticalAreasStudyAppendixE,preparedbyParametrix,datedApril2015,Exhibit6.5.IfanyNativeAmericangrave(s)orarchaeological/culturalresources(NativeAmericanartifacts)arefoundallconstructionactivityshallstopandtheowner/developershallimmediatelynotifytheCityofRentonplanningdepartment,concernedTribes’culturalcommittees,andtheWashingtonStateDepartmentofArcheologyandHistoricPreservation.ADIVISORYNOTES:Thefollowingnotesaresupplementalinformationprovidedinconjunctionwiththeadministrativelanduseaction.Becausethesenotesareprovidedasinformationonly,theyarenotsubjecttotheappealprocessforthelanduseactions.PLANPlanningReviewLandUseVersion1IJanuary11,2016EngineeringReviewCommentsContact:VickiGroverI4254307291Ivgrover@rentonwa.govRecommendations:EXISTINGCONDITIONSWaterserviceisnotarequirementofthisproject.Sanitarysewerisnotarequirementofthisproject.ATechnicalInformationReport(TIR)wassubmitted,datedApril2015andpreparedbyParametrix.Theprojectisexemptfromwaterqualityasthenewimpervioussurfacewillnotbepollutiongenerating.TheprojectisexemptfromflowcontrolwhenforagivenThresholdDrainageArea(TDA);the100yearpeakrunoffflowrateiswithin0.1cfsoftheexisting100yearpeakrunoffflowrate.Testingoftherunofffromtheconcreterecyclingplantshouldbeconductedpriortopipingtheflowintoawetland.GeneralComments1.AllconstructionpermitswillrequirecivilplanstoincludeaTESCPlanandaSWPPP.PlansshallconformtotheRentonDraftingStandardsandbepreparedbyalicensedCivilEngineer.2.AdraftGeotechnicalReportLaketoSoundTrail,BlackRiverBridgedatedFebruary24,2015andauthoredbyHWAGeosciencesInc.wassubmittedtotheCityofRenton(COR)onApril17,2015.A“Final”geotechnicalreportwillberequired.3.Whenconstructionplansarereadyforreview,pleasesubmitthree(3)copiesofthedrawings,three(3)copiesoftheDrainageReportandpermitapplication.WhatisthetimingoftheconstructionERCMitigationMeasuresandAdvisoryNotesPage2of3 phase?Therearevariousrecommendationsforwhenandwhennottobedoingconstructionworkbasedonvariouscriteriafromeachofthereports.PlanningReviewCommentsContact:KrisSorensenI4254306593Iksorensen@rentonwa.govRecommendations:Planning:1.RMCsection44030.C.2limitshaulhoursbetween8:30amto3:30pm,MondaythroughFridayunlessotherwiseapprovedbytheDevelopmentServicesDivision.2.Commercial,multifamily,newsinglefamilyandothernonresidentialconstructionactivitiesshallberestrictedtothehoursbetweenseveno’clock(7:00)a.m.andeighto’clock(8:00)p.m.,MondaythroughFriday.WorkonSaturdaysshallberestrictedtothehoursbetweennineo’clock(9:00)a.m.andeighto’clock(8:00)p.m.NoworkshallbepermittedonSundays.3.Withinthirty(30)daysofcompletionofgradingwork,theapplicantshallhydroseedorplantanappropriategroundcoveroveranyportionofthesitethatisgradedorclearedofvegetationandwherenofurtherconstructionworkwilloccurwithinninety(90)days.Alternativemeasuressuchasmulch,sodding,orplasticcoveringasspecifiedinthecurrentKingCountySurfaceWaterManagementDesignManualasadoptedbytheCityofRentonmaybeproposedbetweenthedatesofNovember1standMarch31stofeachyear.TheDevelopmentServicesDivision’sapprovalofthisworkisrequiredpriortofinalinspectionandapprovalofthepermit.4.ANationalPermitDischargeEliminationSystem(NPDES)permitisrequiredwhenmorethanoneacreisbeingcleared.5.Theapplicantmaynotfill,excavate,stackorstoreanyequipment,disposeofanymaterials,suppliesorfluids,operateanyequipment,installimpervioussurfaces,orcompacttheearthinanywaywithintheareadefinedbythedriplineofanytreetoberetained.ERCMitigationMeasuresandAdvisoryNotesPage3of3 CITYOF_RentonOI‘ItOFENVIRONMENTALDETERMINATIONISSUANCEOFADETERMINATIONOFNONSIGNIFICANCE-MITIGATED(DNS-M)POSTEDTONOTIFYINTERESTEDPERSONSOFANENVIRONMENTALACTIONPROJECTNAME:LAKETOSOUNDREGIONALTRAIL—SEGEMENTAPROJECTNUMBER:LUA15-000257,ECF,SSDP,S-CUP,S-VLOCATION:BLACKRIVERRIPARIANFORESTINCITYOFRENTONANDFORTDENTPARKINCITYOFTUKWILADESCRIPTION:THEAPPLICANTREQUESTSSEPAREVIEW,SHORELINECONDITIONALUSEPERMIT,ASHORELINEVARIANCE,ANDSHORELINESUBSTANTIALDEVELOPMENTPERMITTOIMPROVEANEXISTINGINFORMAL1.2-MILETRAILINTOANONMOTORIZEDMULTI-PURPOSEROUTEANDINCLUDESANEW114FTPEDESTRIANBRIDGEOVERTHEBLACKRIVER.THEPROJECTISSEGMENTAOFTHETHELAKETOSOUNDTRAIL,ACONTINUOUS16-MILE-LONGREGIONALCORRIDORLINKINGLAKEWASHINGTONTOPUGETSOUND.SEGMENTATRAVELSTHROUGHTHEBLACKRIVERRIPARIANFORESTFROMNACHESAVESWINCITYOFRENTON,CROSSINGMONSTERRDSW,TOARRIVEATFORTDENTPARKINCITYOFTUKWILA.THECITYOFRENTONENVIRONMENTALREVIEWCOMMITTEE(ERC)HASDETERMINEDTHATTHEPROPOSEDACTIONHASPROBABLESIGNIFICANTIMPACTSTHATCANBEMITIGATEDTHROUGHMITIGATIONMEASURES.Appealsoftheenvironmentaldeterminationmustbefiledinwritingonorbefore5:00p.m.onJanuary29,2016,togetherwiththerequitedfeewith:HeatingExaminer,CityofRenton,1055SouthGradyWay,Renton,WA98057.AppealstotheExamineraregovernedbyCityofRMC4-8-110andinformationregardingtheappealprocessmaybeobtainedfromtheRentonCityClerk’sOffice,(425)430-6510.APUBLICHEARINGWILLBEHELDBYTHERENTONHEARINGEXAMINERATHISREGULARMEETINGINTHECOUNCILCHAMBERSONTHE7THFLOOROFCITYHALL,1055SOUTHGRADYWAY,RENTON,WASHINGTON,ONFEBRUARY16,2016AT11:00AMTOCONSIDERTHEShorelineSubstantialDevelopmentPermit,ShorelineConditionalUsePermit.IFTHEENVIRONMENTALDETERMINATIONISAPPEALED,THEAPPEALWILLBEHEARDASPARTOFTHISPUBLICHEARING.FORFURTI.\IIUIN,._.. .LIIIut-I’L.-...,...ATMENTOFCOMMUNITY&ECONOMICDEVELOPMENTAT(425)430-7200.DONOTREMOVETHISNOTICEWITHOUTPROPERAUTHORIZATIONPLEASEINCLUDETHEPROJECTNUMBERWHENCALLINGFORPROPERFILEIDENTIFICATION.I