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CITYOFDEPARTMENTOFC0MMUNFrY—“Renton0SUBMITTALREQUIREMENTSSHORELINEEXEMPTIONPlanningDivision1055SouthGradyWay,Renton,WA98057Phone:425-430-7294Iwww.rentonwa.govPURPOSE:ShorelineExemptionpermitsensureproposedshorelinedevelopmentisconsistentwiththegoalsandpoliciesoftheCity,ShorelineMasterProgram,andStateShorelineManagementAct.WHENASHORELINEPERMITEXEMPTIONISREQUIRED:Ifyouaredoinganydevelopmentorconstructionactivitywithin200feetofadesignatedshoreline,yourprojectwillrequireeitheraShorelineSubstantialDevelopmentPermitoraShorelinePermitExemption.ThefollowingactivitiesareeligibletoreceiveaShorelinePermitExemption:•Anyprojectwithcertificationfromthegovernor’•Anyprojectwithacostorfairmarketvalue(whicheverishigher)oflessthan$6,416.002•Normalmaintenanceorrepairofexistingstructureordevelopments3•Emergencyconstructionnecessarytoprotectpropertyfromdamagebytheelements4•Normalagriculturalconstructionandpractices5•Constructionofasingle-familyresidenceorassociatedstructuresforusebytheownerorowner’sfamily6•Constructionofaprivatedockfornon-commercialusebythepropertyowner(s)7•ConstructionormodificationauthorizedbyCoastGuardordesignatedauthority8•Operation,maintenance,orconstructionrelatedtoirrigation9•Markingofpropertylinesorcornersonstate-ownedlands’°•Operationandmaintenanceofagriculturaldrainageanddikingfacilities”•Activitiesnecessaryforpreparationofpermitapplication12•Removalorcontrolofaquaticnoxiousweeds13•Watershedrestorationprojects’4•Projectsintendedtoimprovefishorwildlifehabitatorfishpassage’5•Hazardoussubstanceremediation16•Projectsonlandsnotsubjecttoshorelinejurisdictionpriortorestoration’7COMPLETEAPPLICATIONREQUIRED:Inordertoacceptyourapplication,eachofthenumbereditemsmustbesubmittedatthesametime.Ifyouhavereceivedapriorwrittenwaiverofasubmittalitem(s)duringapre-applicationmeeting,pleaseprovidethewaiverforminlieuofanysubmittalitemnotprovided.APPLICATIONSCREENING:ApplicantsarerequiredtobringinaCDorUSBportable(flash/hard)drive(orotherdeviceorpathwayasapprovedbyyourassignedprojectmanager)withonePDFfileofthe1H:\cED\Data\Forms-Tempiates\SeIf-HeIpHandouts\Planning\ShorelineExemptions.docRev:03/2018 applicationpackageforinformalreviewbystaff,priortoschedulinganintakemeeting.Pleaseallowapproximately45minutesforapplicationscreening.APPLICATIONSUBMITTALHOURS:ApplicationsshouldbesubmittedtoDevelopmentServicesstaffatthe6thfloorcounterofRentonCityHall,1055SouthGradyWay,between8:00a.m.and4:00p.m.MondaythroughFriday.Pleasecallyourassignedprojectmanagertoscheduleanappointmentorcall425-430-7294toreachthePlanningDivision.Duetothescreeningtimerequired,applicationsdeliveredbymessengercannotbeaccepted.ADDITIONALPERMITS:Additionalpermitsfromotheragenciesmayberequired.Itistheapplicant’sresponsibilitytoobtaintheseotherapprovals.Informationregardingtheseotherrequirementsmaybefoundathttp://apps.oria.wa.gov/opas/.AllPlansandAttachmentsaresubjecttoElectronicFileStandardsIAPPLICATIONMATERIALS:Item11.LandUsePermitMasterApplicationForm:Theapplicationmusthavenotarizedsignatures(pagesofALLcurrentpropertyownerslistedontheTitleReport.Ifthepropertyownerisa9-10)corporation,theauthorizedrepresentativemustattachproofofsigningauthorityonbehalfofthecorporation.ThelegaldescriptionofthepropertymustbeattachedtotheItem2applicationform.(pages11-40)2.WaiverForm:Ifyoureceivedawaiverformduringoraftera“pre-applicationmeeting.”Item33.ProjectNarrative:Pleaseprovideaclearandconcisedescriptionoftheproposedproject,(pagesincludingthefollowing:14-18)•Projectname,sizeandlocationofsite;•Briefdescriptionofproposedwork;•Basisfortheexemptionrequest(referenceexemptioncategoryfromfirstpage);•Anticipateddatesofwork;•Otherpermitsrequiredforproposedproject;•Currentandproposeduseofthesite;•Specialsitefeatures(i.e.wetlands,waterbodies,steepslopes);•Statementaddressingsoiltypeanddrainageconditions;••Totalestimatedconstructioncostandestimatedfairmarketvalueoftheproposedproject;•Estimatedquantitiesandtypeofmaterialsinvolvedifanyfillorexcavationisproposed;•Number,typeandsizeofanytreestoberemoved;•DistancefromclosestareaofworktotheOrdinaryHighWaterMarkoftheshoreline;•Natureoftheexistingshoreline(e.g.highbank,naturalize,riprap,bulkhead,etc.);2H:\cED\Oata\Forms-Templates\SeIf-HeIpHandouts\Planning\ShorelineExemptions.docRev:03/2018 and•Iftheproposedprojectexceedsaheightof35-feetabovetheaveragegradelevel,discusstheapproximatelocationofandnumberofresidentialunits,existingandpotential,thatwillhaveanobstructedview.Item44.NeighborhoodDetailMap:Pleaseprovideamapdrawnatascaleof1”=100’or1”=200’(page(orotherscaleapprovedbythePlanningDivision)tobeusedtoidentifythesitelocationon19)publicnoticesandtoreviewcompatibilitywithsurroundinglanduses.Themapshallidentifythesubjectsitewithamuchdarkerperimeterlinethansurroundingpropertiesandincludeatleasttwocrossstreetsinalldirectionsshowingthelocationofthesubjectsiterelativetopropertyboundariesofsurroundingparcels.Themapshallalsoshow:theproperty’slotlines,lotlinesofsurroundingproperties,boundariesoftheCityofRenton(ifapplicable),northarrow(orientedtothetopoftheplansheet),graphicscaleusedforthemap,andCityofRenton(notKingCounty)streetnamesforallstreetsshown.Pleaseensureallinformationfitsonasinglemapsheet.KrollMapCompany(206-448-6277)producesmapsthatmayservethispurposeoryoumayusetheKingCountyAssessor’smapsasabasefortheNeighborhoodDetailMap.Additionalinformation(i.e.currentcitystreetnames)willneedtobeaddedbytheapplicant.Item5(pages5.SitePlan:Pleaseprovideafully-dimensionedplansheetdrawnatascaleof1”=20’(or20-35otherscaleapprovedbythePlanningDivision).TheSitePlanshouldshowthefollowing:•Nameofproposedproject;•Date,scale,andnortharrow(orientedtothetopofthepaper/plansheet);•Drawingofthesubjectpropertywithallpropertylinesdimensionedandnamesofadjacentstreets;•Identifyalladjacentstreetsandalleys;•Locationanddimensionsofexistingandproposedstructures;•Parkingandoff-streetloadingspace;•Free-standingsignsandlightingfixtures;•Storageareasandjobshacks/salestrailers;and•Locationanddimensionsofnaturalfeaturessuchasstreams,requiredbufferareas1andwetlands.IndicateOrdinaryHighWaterMarkandshowdistanceinfeettoclosestareaofwork.Waived,seeItem2El6.WetlandAssessment:PleaseprovideamapandareportifANYwetlandsarelocatedonthesubjectpropertyorwithin100feetofthesubjectproperty.Thewetlandreport/delineationmustbepreparedbyaqualifiedprofessionalandincludetheinformationspecifiedinRMC4-8-120D.23.Inaddition,ifanyalterationtothewetlandorbufferisproposed,awetlandmitigationplanisalsorequired.SeeRMC4-8-120D.23forplancontentrequirements.3H:\CED\Data\Forms-Tempiates\SeTf-HeIpHandouts\Planning\ShoreflneExemptions,docRev:03/2018 Item67.StandardStreamorLakeStudy:Pleaseprovideareportcontainingtheinformation(pagesspecifiedinRMCSection4-8-120D.19.Inaddition,iftheprojectinvolvesanunclassified36-40)stream,asupplementalstreamorlakestudyisalsorequired.Ifanyalterationtoawater-bodyorbufferisproposedasupplementalstreamorlakestudyandmitigationplanarealsorequired.Waived,L18.FloodHazardData:Pleaseprovideascaledplanshowingthenature,location,dimensions,seeandelevationsoftheareainquestion;existingorproposedstructures,fill,storageofItem2materials,anddrainagefacilities.Alsoindicatethefollowing:•Elevationinrelationtomeansealevelofthelowestfloor(includingbasement)ofallstructures;•Elevationinrelationtomeansealeveltowhichanystructurehasbeenflood-proofed;•CertificationbyaregisteredProfessionalEngineerorArchitecttheflood-proofingmethodscriteriainRMC4-3-050G.4.chavebeenmet;and•Descriptionoftheextenttowhichawatercoursewillbealteredorrelocatedasaresultofproposeddevelopment.Waived,LI9.HabitatDataReport:IftheprojectsitecontainsorabutsacriticalhabitatperRMC4-3-seeO5OF.2pleaseprovideareportcontainingtheinformationspecifiedinRMC4-$-120D.8.Item2AllPlansandAttachmentsaresubjecttoElectronicFileStandardsIREVIEWPROCESS:Onceacompletelanduseapplicationpackagehasbeenacceptedforinitialreview,itwillberoutedtootherCitydepartmentsandotherjurisdictionsoragencieswhomayhaveaninterestinit.ThereviewerstypicallyhavetwoweekstoreturntheircommentstothePlanningDivision.Onceallcommentshavebeenaddressed,thePlanningDivisionwillissueanexemption,providedtheapplicationmeetsthecriteriaforexemption.IftheapplicationmustalsobereviewedundertheStateEnvironmentalPolicyAct(SEPA),thiswillextendthereviewtimenecessaryfortheprojectapproval.UponissuanceoftheEnvironmentalDetermination,thePlanningDivisionwilltakeoneofthefollowingactions:issueanexemption,requestadditionalinformation,orrequireafullShorelineSubstantialDevelopmentPermit.Pleaseseethehandoutentitled“SubmittalRequirements:EnvironmentalReview”foradditionalinformation.IftheCityapprovesanexemption,acopywillbesenttotheapplicant.Ifyoualsoneedabuildingpermit,pleaseturninacopyofyourexemptionwithyourothersubmittals.AbuildingpermitforotherCityapproval)maybeissuedimmediatelyuponissuanceoftheexemption,providedallotherrelevantrequirementshavebeenmetandtheprojectdoesnotalsorequireanytypeofArmyCorpsapproval.IfaprojectrequiresArmyCorpsapproval,theCitywillmailacopyoftheShorelineExemptiondecisiontotheStateDepartmentofEcology(DOE)andtheStateAttorneyGeneral’sOfficeforreview.TheDOEhastendaystoreviewtheexemptiondecision.AbuildingpermitforotherCityapproval)maybeissued4H:\cED\Data\Forms-Temp(ates\seIf-HeIpHandouts\Planning\ShorelineExemptions.docRev:03/2018 tendaysafterthedateofmailingtheexemptiondecisiontotheDepartmentofEcologyandAttorneyGeneral--providedtheStatedoesnotappealtheexemptiondecisionduringthetendayreviewperiodandprovidedallotherrelevantrequirementshavebeenmet.1Anyprojectwithacertificationfromthegovernor.AnyprojectwithacertificationfromthegovernorpursuanttoChapter80.50RCW;2Totalcostorfairmarketvalueofproject(whicheverishigher)islessthan$6,416.00.Anydevelopmentofwhichthetotalcostorfairmarketvalue,whicheverishigher,doesnotexceedfivethousanddollars,ifsuchdevelopmentdoesnotmateriallyinterferewiththenormalpublicuseofthewaterorshorelinesofthestate.Forpurposesofdeterminingwhetherornotapermitisrequired,thetotalcostorfairmarketvalueshallbebasedonthevalueofdevelopmentthatisoccurringonshorelinesofthestateasdefinedinRCW90.58.030(3)(e).Thetotalcostorfairmarketvalueofthedevelopmentshallincludethefairmarketvalueofanydonated,contributedorfoundlabor,equipmentormaterials;3Normalmaintenanceorrepairofexistingstructuresordevelopments.Normalmaintenanceorrepairofexistingstructuresordevelopments,includingdamagebyaccident,fireorelements.“Normalmaintenance”includesthoseusualactstopreventadecline,lapse,orcessationfromalawfullyestablishedcondition.“Normalrepair”meanstorestoreadevelopmenttoastatecomparabletoitsoriginalcondition,includingbutnotlimitedtoitssize,shape,configuration,locationandexternalappearance,withinareasonableperiodafterdecayorpartialdestruction,exceptwhererepaircausessubstantialadverseeffectstoshorelineresourceorenvironment.Replacementofastructureordevelopmentmaybeauthorizedasrepairwheresuchreplacementisthecommonmethodofrepairforthetypeofstructureordevelopmentandthereplacementstructureordevelopmentiscomparabletotheoriginalstructureordevelopmentincludingbutnotlimitedtoitssize,shape,configuration,locationandexternalappearanceandthereplacementdoesnotcausesubstantialadverseeffectstoshorelineresourcesorenvironment;‘Emergencyconstructionnecessarytoprotectpropertyfromdamagebytheelements.Emergencyconstructionnecessarytoprotectpropertyfromdamagebytheelements.An“emergency”isanunanticipatedandimminentthreattopublichealth,safety,ortheenvironmentwhichrequiresimmediateactionwithinatimetooshorttoallowfullcompliancewiththischapter.Emergencyconstructiondoesnotincludedevelopmentofnewpermanentprotectivestructureswherenonepreviouslyexisted.Wherenewprotectivestructuresaredeemedbytheadministratortobetheappropriatemeanstoaddresstheemergencysituation,uponabatementoftheemergencysituationthenewstructureshallberemovedoranypermitwhichwouldhavebeenrequired,absentanemergency,pursuanttoChapter90.58RCW,theseregulations,orthelocalmasterprogram,obtained.AllemergencyconstructionshallbeconsistentwiththepoliciesofChapter90.58RCWandthelocalmasterprogram.Asageneralmatter,floodingorotherseasonaleventsthatcanbeanticipatedandmayoccurbutthatarenotimminentarenotanemergency;Normalagriculturalconstructionandpractices.Constructionandpracticesnormalornecessaryforfarming,irrigation,andranchingactivities,includingagriculturalserviceroadsandutilitiesonshorelands,constructionofabarnorsimilaragriculturalstructure,andtheconstructionandmaintenanceofirrigationstructuresincludingbutnotlimitedtoheadgates,pumpingfacilities,andirrigationchannels:Provided,Thatafeedlotofanysize,allprocessing5H:\CED\Data\Forms-Templates\Se(f-HeIpHandouts\Planning\ShoreltheExemptions.dacRev:03/2018 plants,otheractivitiesofacommercialnature,alterationofthecontouroftheshorelandsbylevelingorfillingotherthanthatwhichresultsfromnormalcultivation,shallnotbeconsiderednormalornecessaryfarmingorranchingactivities.Afeedlotshallbeanenclosureorfacilityusedorcapableofbeingusedforfeedinglivestockhay,grain,silage,orotherlivestockfeed,butshallnotincludelandforgrowingcropsorvegetationforlivestockfeedingand/orgrazing,norshallitincludenormallivestockwinteringoperations;6Constructionofasingle-familyresidenceforusebyownerorowner’sfamily.Constructiononshorelandsbyanowner,lesseeorcontractpurchaserofasingle-familyresidencefortheirownuseorfortheuseoftheirfamily,whichresidencedoesnotexceedaheightofthirty-fivefeetaboveaveragegradelevelandwhichmeetsallrequirementsofthestateagencyorlocalgovernmenthavingjurisdictionthereof.“Single-familyresidence”meansadetacheddwellingdesignedforandoccupiedbyonefamilyincludingthosestructuresanddevelopmentswithinacontiguousownershipwhichareanormalappurtenance.An“appurtenance”isnecessarilyconnectedtotheuseandenjoymentofasingle-familyresidenceandislocatedlandwardoftheordinaryhighwatermarkandtheperimeterofawetland.Onastatewidebasis,normalappurtenancesincludeagarage;deck;driveway;utilities;fences;installationofaseptictankanddrainfieldandgradingwhichdoesnotexceedtwohundredfiftycubicyardsandwhichdoesnotinvolveplacementoffillinanywetlandorwaterwardoftheordinaryhighwatermark.Localcircumstancesmaydictateadditionalinterpretationsofnormalappurtenanceswhichshallbesetforthandregulatedwithintheapplicablemasterprogram.Constructionauthorizedunderthisexemptionshallbelocatedlandwardoftheordinaryhighwatermark;‘Constructionofaprivatedockfornon-commercialusebypropertyowner(s).Constructionofadock,includingacommunitydock,designedforpleasurecraftonly,fortheprivatenoncommercialuseoftheowners,lessee,orcontractpurchaserofasingle-familyandmultiple-familyresidences.Thisexceptionappliesifthefairmarketvalueofthedockdoesnotexceedtenthousanddollars($10,000);however,ifsubsequentconstructionhavingafairmarketvalueexceedingtwothousandfivehundreddollars($2,500)occurswithinfive(5)yearsofcompletionofthepriorconstruction,thesubsequentconstructionshallbeconsideredasubstantialdevelopmentpermit;andadockisalandingandmooragefacilityforwatercraftanddoesnotincluderecreationaldecks,storagefacilitiesorotherappurtenances;8ConstructionormodificationauthorizedbyCoastGuardordesignatedauthority.Constructionormodification,byorundertheauthorityoftheCoastGuardoradesignatedportmanagementauthority,ofnavigationalaidssuchaschannelmarkersandanchorbuoys;iiOperation,maintenance,orconstructionrelatedtoirrigation.Operation,maintenance,orconstructionofcanals,waterways,drains,reservoirs,orotherfacilitiesthatnowexistorarehereaftercreatedordevelopedasapartofanirrigationsystemfortheprimarypurposeofmakinguseofsystemwaters,includingreturnflowandartificiallystoredgroundwaterfromtheirrigationoflands;1Markingofpropertylinesorcornersonstate-ownedlands.Themarkingofpropertylinesorcornersonstate-ownedlands,whensuchmarkingdoesnotsignificantlyinterferewithnormalpublicuseofthesurfaceofthewater;6H:\CED\Data\Forms-Templates\SeIf-HeIpHandouts\Planning\ShorelineExemptions.docRev:03/2018 11Operationandmaintenanceofagriculturaldrainageanddikingfacilities.Operationandmaintenanceofanysystemofdikes,ditches,drains,orotherfacilitiesexistingonJune4,1975,whichwerecreated,developedorutilizedprimarilyasapartofanagriculturaldrainageordikingsystem;12Siteactivitiesnecessaryforpreparationofapplicationfordevelopmentauthorization.Siteexplorationandinvestigationactivitiesthatareprerequisitetopreparationofanapplicationfordevelopmentauthorizationunderthischapter,if:(I)Theactivitydoesnotinterferewiththenormalpublicuseofthesurfacewaters;ii)Theactivitywillhavenosignificantadverseimpactontheenvironmentincludingbutnotlimitedtofish,wildlife,fishorwildlifehabitat,waterquality,andaestheticvalues;(iii)Theactivitydoesnotinvolvetheinstallationofanystructure,anduponcompletionoftheactivitythevegetationandlandconfigurationofthesitearerestoredtoconditionsexistingbeforetheactivity;(iv)Aprivateentityseekingdevelopmentauthorizationunderthissectionfirstpostsaperformancebondorprovidesotherevidenceoffinancialresponsibilitytothelocaljurisdictiontoensurethatthesiteisrestoredtopreexistingconditions;andTheactivityisnotsubjecttothepermitrequirementsofChapter90.58.550RCW;13RemovingorcontrollingaquaticnoxiousweedsTheprocessofremovingorcontrollingaquaticnoxiousweeds,asdefinedinChapter17.26.020RCW,throughtheuseofanherbicideorothertreatmentmethodsapplicabletoweedcontrolthatarerecommendedbyafinalenvironmentalimpactstatementpublishedbythedepartmentofagricultureorthedepartmentofecologyjointlywithotherstateagenciesunderChapter43.21CRCW;14WatershedrestorationprojectsWatershedrestorationprojectsasdefinedherein.Localgovernmentshallreviewtheprojectsforconsistencywiththeshorelinemasterprograminanexpeditiousmannerandshallissueitsdecisionalongwithanyconditionswithinforty-fivedaysofreceivingallmaterialsnecessarytoreviewtherequestforexemptionfromtheapplicant.Nofeemaybechargedforacceptingandprocessingrequestsforexemptionforwatershedrestorationprojectsasusedinthissection.(i)“Watershedrestorationproject”meansapublicorprivateprojectauthorizedbythesponsorofawatershedrestorationplanthatimplementstheplanorapartoftheplanandconsistsofoneormoreofthefollowingactivities:(A)Aprojectthatinvolveslessthantenmilesofstreamreach,inwhichlessthantwenty-fivecubicyardsofsand,gravel,orsoilisremoved,imported,disturbedordischarged,andinwhichnoexistingvegetationisremovedexceptasminimallynecessarytofacilitateadditionalplantings;(B)Aprojectfortherestorationofanerodedorunstablestreambankthatemploystheprinciplesofbioengineering,includinglimiteduseofrockasastabilizationonlyatthetoeofthebank,andwithprimaryemphasisonusingnativevegetationtocontroltheerosiveforcesofflowingwater;or7H:\cED\Dta\Forms-TempIates\SeIf-I-epHandouts\Planning\ShorelineExemptions.docRev:03/2018 (C)Aprojectprimarilydesignedtoimprovefishandwildlifehabitat,removeorreduceimpedimentstomigrationoffish,orenhancethefisheryresourceavailableforusebyallofthecitizensofthestate,providedthatanystructure,otherthanabridgeorculvertorinstreamhabitatenhancementstructureassociatedwiththeproject,islessthantwohundredsquarefeetinfloorareaandislocatedabovetheordinaryhighwatermarkofthestream.(ii)Watershedrestorationplan”meansaplan,developedorsponsoredbythedepartmentoffishandwildlife,thedepartmentofecology,thedepartmentofnaturalresources,thedepartmentoftransportation,afederallyrecognizedIndiantribeactingwithinandpursuanttoitsauthority,acity,acounty,oraconservationdistrictthatprovidesageneralprogramandimplementationmeasuresoractionsforthepreservation,restoration,re-creation,orenhancementofthenaturalresources,character,andecologyofastream,streamsegment,drainagearea,orwatershedforwhichagencyandpublicreviewhasbeenconductedpursuanttoRCWChapter43.21C,theStateEnvironmentalPolicyAct;15Projectsintendedtoimprovefishorwildlifehabitatorfishpassage.Apublicorprivateproject,theprimarypurposeofwhichistoimprovefishorwildlifehabitatorfishpassage,whenallofthefollowingapply:(i)Theprojecthasbeenapprovedinwritingbythedepartmentoffishandwildlifeasnecessaryfortheimprovementofthehabitatorpassageandappropriatelydesignedandsitedtoaccomplishtheintendedpurpose;(ii)TheprojecthasreceivedhydraulicprojectapprovalbythedepartmentoffishandwildlifepursuanttoRCWChapter75.20;and(iii)Thelocalgovernmenthasdeterminedthattheprojectisconsistentwiththelocalshorelinemasterprogram.Thelocalgovernmentshallmakesuchdeterminationinatimelymannerandprovideitbylettertotheprojectproponent.16HazardoussubstanceremediationpursuanttoWAC173-27-040.17Projectsonlandsnotsubjecttoshorelinejurisdictionpriortorestoration.SH:\CED\Data\Forms-Templates\SeIf-HeIpHandouts\Panning\ShoreIineExemptions.docRev:03/2018 PrintFormResetFormSaveFormDEPARTMENTOFCOMMUNITYANDECONOMICDEVELOPMENTPlanningDivision1055SouthGradyWay,6thFloorIRenton,WA98057I425-430-7200www.rentonwa.govLANDUSEPERMITMASTERAPPLICATIONKINGCOUNTYASSESSOR’SACCOUNTNUMBER(S):3344500775EXISTINGLANDUSE(S):RecreationPROPOSEDLANDUSE(S):RecreationEXISTINGCOMPREHENSIVEPLANMAPDESIGNATION:ResidentiallowdensityPROPOSEDCOMPREHENSIVEPLANV1APDESlGNATION(iflicabIe)NJAEXISTINGZONING:ResidentialPROPOSEDZONING(ifapplicable):N/ASITEAREA(insquarefeet):-8,172SQUAREFOOTAGEOFPRIVATEACCESSEASEMENTS:N/ASQUAREFOOTAGEOFPUBLICROADWAYSTOBEDEDICATED:N/APROPOSEDRESIDENTIALDENSITYINUNITSPERNETACRE(ifapplicable)N/APROJECTINFORMATIONPROJECTORDEVELOPMENTNAME:GeneCouIonMemorialBeachParkNorthWatPROJECT/ADDRESS(S)/LOCATIONANDZIPCODE:1201LakeWashingtonParkBlvdNRenton,WA98056PROPERTYOWNER(S)NAME:RentonParks,PlanningandNaturalResoADDRESS:1055SGradyWayCITY:STATE:ZIP:RentonWA98057PHONENUMBER:(425)430-6611EMAILADDRESS”:bsevesenrentonwagoVQIprefertoreceiveallcorrespondnceviaUSMail.APPLICANT(ifotherthanowner)NAME:JasonStutesCOMPANY(ifapplicable):GeoEngineersADDRESS:17425NEUnionHillRd#250CITY:STATE:ZIP:RedmondWA98052PHONENUMBER.(425)861-6004EMAILIneerS.comOIprefertoreceiveallcorrespondenceviaUSMail._______________________________________________________CONTACTPERSONNAME:SameasapplicantCOMPANY(ifapplicable):ADDRESS:CITY:STATE:ZIP:PHONENUMBEREMAILADDRESS*:UIprefertoreceiveallcorrespondenceviaUSMail._______________________________________________________*Bycompletingtheemailaddressfieldtheowner/applicant/contactpersonisoptihg.toreceiveall1formalnotificationsandprojectdocumentsindigitalformatviaemailunlessotherwiserequested.‘‘‘‘‘NUMBEROFPROPOSEDLOTS(ifapplicable)N/A,‘‘4...NUMBEROFNELIsJcUIrS(ifapplicable):N/A.,:.,.NUMBEROFEXISTINGDWELLIF’JGUNITS(ifapplicable):N/A.PROJECTVALUE,.‘$4—5million‘.,.. SITUATEINTHESWQUARTEROFSECTION5TOWNSHIP23N,RANGE5E,w.M.INTHECITYOFRENTON,KINGCOUNTY,WASHINGTONIAFFIDAVITOFOWNERSHIPII(PrintName/s)EIZ4,he$4’S€V1declareunderpenaltyofperjuryunderthelawsoftheStateofWashingtonthatIam(pleasecheckone)Ithecurrentownerofthepropertyinvolvedinthisapplicationortheauthorizedrepresentativetoactforacorporation(pleaseattachproofofauthorization)andthattheforegoingstatementsandanswershereincontainedandtheinformationherewithareinallrespectstrueandcorrecttothebestofmyknowledgeandbelief.II//Lot____________________________SignareofOwner/RepresentativeDateSTATEOFWASHINGTONSSCOUNTYOFKINGIcertifythatIknoworhavesatisfactoryevidencethat£13!di45f.si_signedthisinstrumentandacknowledgeittobehis/her/theirfreeandvoluntaryactfortheusesandpurposementionedintheinstrument.NotaryPublicinandforStateofWashingtonofra-.3yNotary(Print):PROJECTINFORMATION(CONTINUED)SQUAREFOOTAGEOFPROPOSEDRESIDENTIALBUILDINGS(ifapplicable):N/ASQUAREFOOTAGEOFEXISTINGRESIDENTIALBUILDINGSTOREMAIN(ifapplicable):N/ASQUAREFOOTAGEOFPROPOSEDNON-RESIDENTIALBUILDINGS(ifapplicable):N/ASQUAREFOOTAGEOFEXISTINGNON-RESIDENTIALBUILDINGSTOREMAIN(ifapplicable):8,118NETFLOORAREAONNON-RESIDENTIALBUILDINGS(ifapplicable):N/ANUMBEROFEMPLOYEESTOBEEMPLOYEDBYTHENEWPROJECT(ifappIicj:ISTHESITELOCATEDINANYTYPEOFENVIRONMENTALLYCRITICALAREA,PLEASEINCLUDESQUAREFOOTAGE(ifapplicable):QAQUIFERPROTECTIONAREAONEElAQUIFERPROTECTIONAREAiWOElFLOODHAZARDAREA____sq.ft.QGEOLOGICHAZARD____sq.ft.ElHABITATCONSERVATION____sq.ft.ElSHORELINESTREAMS&LAKES8,118sq.ft.ElWETLANDS____sq.ft.LEGALDESCRIPTIONOFPROPERTY(Attachlegaldescriptiononseparatesheetwiththefollowinginformationincluded)SignatureofOwner/RepresentativeDateMyappointmentexpires:(‘Ii‘iI7.%%2’ CITYOFANDECONOMICDEVELOPMENTWAIVEROFSUBMITTALREQUIREMENTSFORLANDUSEAPPLICATIONSPlanningDivision1055SouthGradyWay-Renton,WA98057Phone:425-430-7200Iwww.rentonwa.govLANDUSEPERMITSUBMIHALREQUIREMENTS:WAIVEDMODIFIEDCOMMENTS:-BY:BY:ArboristReport4BiologicalAssessmentCalculations1ColoredRenderingsConstructionMitigationDescription2AND4DeedofRight-of-WayDedication1DensityWorksheet______DrainageControlPlan2DrainageReport2_____—_____________________________Elevations,Architectural3AND4EnvironmentalChecklist4 —___________________________________________ExistingCovenants(RecordedCopy)1AND4ExistingEasements(RecordedCopy)1AND4——_________________________________FloodHazardData4iDFloorPlans3AND4-________________________________GeotechnicalReport2AND39radingElevations&Plan,Conceptual_2________________________GradingElevations&Plan,Detailed2HabitatDataReport4JD____________HazardousMaterialsManagementStatementlmprovementDeferral2____IrrigationPlan4PROJECTNAME:CoulonNorthWaterwalkProject_____—DATE4/17/20--1https://projects,geoengineers.com/sites/0o693o8600/FinaI/ShorelineExemption/Item2_WaiverForm.docxRev:08/2015 LANDUSEPERMITSUBMITTALREQUlREMENTS:WAiVEDMOEFIEDCOMMENTS:--BY:BY:KingCountyAssessor’sMapIndicatingSite4-———-1—--—--——-----------LandscapePlan,Conceptual4LandscapePlan,Detailed4--LegalDescription4LetterofUnderstandingofGeologicalRisk4EMapofExistingSiteConditions4MasterApplicationForm4MonumentCards(onepermonument)1ighborhood_DetaHMa1—OverallPlatPlan4Parking,LotCoverage&LandscapingAnalysis4PostOfficeApproval2PlatNameReservation4PlatPlan4PreapplicationMeetingSummary4PublicWorksApprovalLetter2RehabilitationPlan4ScreeningDetail4ShorelineTrackingWorksheet4______SitePlan2AND4StreamorLakeStudy,Standard4StreamorLakeStudy,Supplemental4StreamorLakeMitigationPlan4StreetProfiles2TitleReportorPlatCertificate1AND4TopographyMap3TrafficStudy2TreeCutting/LandClearingPlan4UrbanDesignRegulationsAnalysis4_____________UtilitiesPlan,Generalized2WetlandsMitigationPlan,Final4WetlandsMitigationPlan,Preliminary42https://projects.geoengineers.com/sites/0069308600/FinaI/ShorelineExemption/Item2_WaiverForm.docxRev:09/2019 LANDUSEPERMITSUBMITTALREQUIREMENTS:WAIVEDMODIFIEDCOMMENTS:BY:BY:WetlandsReport/Delineation4JD-Wireless:ApplicantAgreementStatement2AN03InventoryofExistingSites2AND3LeaseAgreement,Draft2AND3MapofExistingSiteConditions2AND3MapofViewArea2AND3_____________________________________Photosimulations2AND3ThisRequirementmaybewaivedby:1.PropertyServices2DevelopmentEngineeringPlanReview3Building4Planning3https://projects.geoengineers.com/sites/0069308600/Final/ShorelineExemption/ltem2WaiverForm.docxRev:09/2019 ProjectNarrativeProjectName:GeneCoulonMemorialBeachParkNorthWaterWalkImprovementsGeneraldescriptionofproposedprojectthatincludestheproposeduseandtheactivitiesnecessarytoaccomplishtheproject.ProjectPurposeThepurposeoftheprojectistoincreaselightpenetrationandreplacetreatedtimbercomponentsattheGeneCoulonMemorialBeachParkNorthWaterWalk(WaterWalk)alongwithothermaintenanceactivities.Thiswillbeaccomplishedbyremovingtheexistingconcretedeckandreplacingwithlight-penetratinggrateddeckingsupportedonnewsteelgirders.Inaddition,theexistingpicnicfloatswillbereplacedwithnewaluminumframing,recycledplastictimber(RPL),andlightpenetratingdecking.Thegratedgangwaysandtimbersteprunswillalsobereplacedwithlightpenetrationdecking.Alltreatedtimbercomponents,includingsteprisers,fasciaboardsandbull-railswillbereplacedwithRPL.Intotal,approximately8,172squarefeetfiberglasslightpenetratinggratingwithsupportingsteelbeamswillbeinstalled.PilewrappingtopreventpilecorrosionisalsoproposedalongwithminorrepairstoexistingpilecapsandpaintingofthePilotHouse.ProjectOverviewTheprojectconsistsofmultipleimprovementstotheWaterWalk.ImprovementstotheWaterWalkincludethereplacementoftheexistingconcretedeckwithnewgalvanizedsteelframing,60percentlightpenetratingfiberglassgrateddecking,andconcretepanelstomatchthenewdeckaroundtheadjacentlvar’sRestaurant.Thenewconcretepanelswillbeprecastandthinnerthanthepreviousconcretedecking.Thinnerdeckingandconcretewillresultinthebottomelevationofthegratingwillbeabout19inchesaboveordinaryhighwater,13incheshigherthanthebottomoftheexistingconcretedeck.Theshadingcausedbytheexistingstructurewillbesubstantiallyreducedandmorediffusecomparedtopre-projectconditions.Inaddition,theexistingtimberpicnicfloatswillbereplacedwithnewaluminumframing,RPLandgrateddecking.Thesteprunsandthegangwayswillalsobereplacedwiththe60percentlightpenetratingfiberglassgrateddecking.Theexistingaluminumgratedgangwaysareonlyapproximately20percentlightpenetrating.Alltreatedtimbercomponents,includingfasciaboards,steprisers,walersandbull-rails,willbereplacedwithRPL.Intotal,approximately8,172SFofconcretepanels,timberpicnicfloatsandgangwayswillbereplacedwithfiberglasslightpenetratinggrating.TheWaterWalkdeckingwillbesupportedbysteelbeams.RemovingpressuretreatedtimbercomponentsandincreasinglightpenetrationtothelakewillprovideanetenhancementtoshorelinehabitatandenvironmentalconditionswithinLakeWashington.ThedimensionsoftheWaterWalkandpicnicfloatswillnotchange;however,thenewgrateddeckingwillnowbeapproximately60percentlightpenetrating.Currentconcretedeckingissolidandpreventsanylighttransmission.Theprojectwillresultinanetfunctionaldecreaseofover-waterstructureshadingandisthereforeconsideredtobeself-mitigating. Inadditiontotheabove,pilewrappingtopreventpilecorrosionisalsoproposedandistheonlyprojectcomponentthatisconsideredin-waterwork.Thispilewrappingsystemwillincludeaninnermoisturebarrieraswellasanouterjacketthatwillcoverthepilingfromjustbelowthemudlinetoabovethehigh-waterline.Theonlyfillassociatedwiththisproposedprojectistheinstallationofpilewrapsarounddegradedpiles.Thefillincludesthethicknessofthesleeveandthematerialusedtofilltheinterstitialspacebetweenthepileandtheinnersurfaceofthesleeve(approximately3.3CY).Minorrepairstoexistingpilecapsandpaintingofthepilothousewilloccurabovetheordinaryhighwatermark(OHWM).Thetotalestimatedprojectcostis$5to$6milliondollars.Nouplanddisturbanceisincludedaspartofthisproject,includingnotreeremoval.ThesiteiswithintheShorelineManagementActjurisdictionwiththelocalshorelineenvironmentdesignationofhighintensity.ThesiteiszonedasR-1Residential.ProposedConstructionSequencingAmajorityofprojectactivitieswilloccuroverLakeWashingtonwithfloatreplacementandpilewrappingoccurringwithinthewatersofLakeWashington.TheWaterWalkwillremainopenduringpilewrapping,butpriortoanydeckingremovalandinstallationwork,theCityofRentonwillclosetheentirestructureandfenceofftheWaterWalkonbothends.ThecontractorshallprepareaSpillPrevention,ControlandCountermeasures(SPCC)Planpriortobeginningconstruction,whichwillidentifytheappropriatespillcontainmentmaterials,whichwillbeavailableattheprojectsiteatalltimes.ThiswillcoverallconstructionactivitiesincludingthoseoccurringabovetheOHWMbutmaypotentiallyspillmaterialintothewater.GeneralTemporaryErosionandSedimentControl(TESC)BestManagementPracticesfBMP5)willbeimplementedpriortobeginningconstructionactivities.Theexistingconcretedecking,treatedtimber,andgangwayswillberemovedviabarge.TheconcretedeckingwillbecutpreciselyawayfromtheWaterWalk,butsomechippingandhammeringmayberequiredtofullyremovetheconcrete.Alloperationswillincludeacatchmenttoensurethatnodemolitionmaterials(e.g.concreterubbleordust)enterthewater.Alldemolitionandwastematerialswillberemovedfromtheaquaticenvironmentandtransportedawayfromthesiteforuplanddisposalinanapprovedfacility.ThenewgrateddeckingandRPLwillbemanufacturedoff-siteandbargedintoLakeWashingtonforinstallation.Thefollowingconstructionsequenceisanassumedsequenceofeventsfortheproject.Thecontractorwilldeterminethefinalsequenceofprojectactions.•Mobilizetothesite•Fenceoffentrancestothewalkway•Implementimpactminimizationmeasuresasdiscussedabove(i.e.SPCC,TESCandgeneralBMP5)•Installpilewrapsystem•Removelights,railings,benchesandpicnictables•Removeexistingconcretedeckingandgangways•Removepressuretreatedtimbercomponents•Installnewgrateddecking,stepruns,andgangways•Minorrepairstopilecapsusinggroutortwostageepoxy(aboveOHWM)•Repaintthepilothouse(aboveOHWM) mReinstallthelights,railings,benchesandpicnictablessDemobilizeProjectSpecificInformationforAlterationstoLakes,StreamsandBuffersThefollowingisasummaryofprojectdetailsthatinformstheRentonMunicipalCode(RMC)Chapter4.3.050(CriticalAreas).AdditionalinformationisprovidedintheBiologicalEvaluation(GeoEngineers2020).•ThestreamorlakeclassificationasrecordedintheCityofRenton’sCORMaps,theCity’sonlineinteractivemappingapplicationavailablethroughtheCity’swebsite,fortheCityofRentonWaterClassorRMC4-3-090:oThesiteisadjacenttoLakeWashingtonwhichisclassifiedbyCityofRenton’sCORMapsas“ClassF”.•Thevegetativecoverofthesite,includingthestreamorlake,banks,riparianarea,wetlandareas,andfloodhazardareasextendingonehundredfeet(100’)upstreamanddownstreamfromthepropertyline,includingtheimpactsoftheproposalontheidentifiedvegetation:oTheprojectproposesimprovementstotheexistingWaterWalkandthereforewillhavenoimpacttovegetation.Thisprojectwillhavenoimpactstouplandareas.AllworkislimitedtotheexistingWaterWalkstructureandthereforehasnoimpacttovegetativecoveratthepark.•Theecologicalfunctionscurrentlyprovidedbythestream/lakeandexistingriparianareaandtheimpactsoftheproposalontheidentifiedecologicalfunctions:oLakeWashingtonprovidesmigrationandrearinghabitatforESA-listedspecies,whichincludebulltrout,PugetSoundChinookandPugetSoundSteelhead.Potentialimpactsfromthisprojectarelimitedtohabitatalterationandwaterquality.•HabitatAlteration:Majorhabitatalterationassociatedwiththeprojectconsistsolelyofhabitatimprovements.Replacingconcretedeckingwithgratedmaterialswilldirectlyresultinsignificantlylessshadingoflimneticandlittoralenvironments.TheremovalandreplacementofpressuretreatedtimbercomponentsontheWaterWalkwilldecreasepotentialleachingofcontaminantsandprovideindirectbenefitstoESA-listedspeciesthroughimprovementsinfoodquality/quantity.•WaterQuality:ThisprojectmayhaveshorttermtemporaryimpactstoESA-listedfishspeciesfromwaterqualityimpactsduringconstructionrelatedtotheinstallationofthepilewrapsystem.Theremaybeatemporaryincreaseinturbidityastheoutersleeveispushedbelowthemudlineoftheexistingpilebase.However,thelevelofdisturbancewillbelimitedtoasinglepileatatimeandthevolumesofsedimentbeingdisturbedareminimal.Anyminorelevationstoturbiditywillbetemporary,limitedinareaaffected,anddissipateshortlyafterdisturbance. Observedorreportedfishandwildlifethatmakeuseoftheareaincluding,butnotlimitedto,salmonids,mammals,andbirdnesting,breeding,andfeeding/foragingareas,includingtheimpactsoftheproposalontheidentifiedfishandwildlife:oSockeyesalmon,cohosalmon,Chinooksalmon,coastalcutthroattroutandsteelheadregularlyutilizeLakeWashington.Bothadultandjuvenileindividualsofeachofthesespecieshavebeenobservedwithinthelake.TheLakeWashingtonshorelineintheprojectareadoesnotcontainappropriatehabitatforbulltroutspawningorrearing.However,bulltroutlikelymigratethroughLakeWashingtontoandfromtheCedarRiverandadultbulltroutmigrateintoLakeWashingtontoforageduringthewinterandearlyspring.aMeasurestoprotecttrees,asdefinedinRMC4-11-200,andvegetation:oNomeasurestoprotecttreesandvegetationarenecessaryasallworkwillbeperformedviabargeorfromtheexistingWaterWalk.aForshorelinesregulatedunderRMC4-3-090,ShorelineMasterProgramRegulations,thestudyshalldemonstrateiftheproposalmeetsthecriteriaofnonetlossofecologicalfunctionsasdescribedinRMC4-3-090D2:oTheprojectwillresultindecreaseofoverwatershadingbyutilizinggrateddeckingtoreplaceexistingconcretepanelsaswellaspotentialimprovementtowaterqualitythroughremovaloftimberdockcomponents,andreplacementwithcompositedeckingmaterial.Althoughthetotalsizeofthereplacementdocksandpicnicfloatsisthesameastheexistingdocks,theamountofoverwatershadingwillbereducedbyutilizinggrateddecking.oConservationmeasuresandBMPswillbeutilizedduringprojectconstructiontoavoidimpactstofishandaquatichabitat.Conservationmeasureswillfocusonminimizingerosionandsedimentationandthepossibilityofspills.Specialmeasureswillbetakentoensurethatallwastematerialswillbedisposedofoff-siteandinaccordancewithapplicableregulations,adequatematerialsandprocedureswillbereadilyavailableonthesitetorespondtounanticipatedweatherconditionsoraccidentalreleasesofmaterials,andaprotocolforcontactingWashingtonDepartmentofFishandWildlife(WDFW)willbereadilyavailableintheeventthatactivitiesareobservedtoresultinfishkills,fishindistressorotherwaterqualityproblems.Generaldescriptionofthepropertyasitnowexistsincludingitsphysicalcharacteristics,improvementsandstructures.GeneCoulonMemorialBeachParkconsistsof51.3acresoflandandwateratthesoutheastcornerofLakeWashington.Theparkoffersmanyrecreationalfacilitiesandamenitiesincluding:aSwimmingbeachaMultiplerestroomsaChildren’splayareaaEight-laneboatlaunchaTworestaurants aGrouppicnicshelters•SmallboatharborwithdaymoorageaA900-footpier/NorthWaterWalkwithpicnicfloatsaA—650-footpier/SouthWaterWalkwithviewpointaAcanoelaunchaTwomilesoftrails•AfishingpieraTenniscourtsTheprojectwillbeconfinedtotheexistingWaterWalkandpicnicfloatslocatedwithinthePark.Generaldescriptionofthevicinityoftheproposedprojectincludingidentificationoftheadjacentuses,structuresandimprovements,intensityofdevelopmentandphysicalcharacteristics.TheprojectislocatedadjacenttotheBNSFRailwayCompany(BNSF)railroad,SouthportDevelopment,theHyattRegencyhotel,condos,andrestaurants.TheprojectislocatedwithinLakeWashingtonwhichisapproximately21,600acresandisidentifiedasaShorelineoftheState.TheproposedprojectislocatedinWRIA8-Cedar-Sammamish. 344500775W•E3344500390Notes:1.Thelocationsofallfeaturesshownareapproximate.2.Thisdrawingisforinformationpurposes.Itisintendedtoassistinshowingfeaturesdiscussedinanattacheddocument.GeoEngineers,Inc.cannotguaranteetheaccuracyandcontentofelectronicfiles.ThemasterfileisstoredbyGeoEngineers,Inc.andwillserveastheofficialrecordofthiscommunication.DataSource:MapboxOpenStreetMap,2016NeighborhoodMapGeneCoulonMemorialBeachParkNorthWaterwalkImprovementsRenton,WashingtonGEOENGINEERsFigure1Projection:NAD1983UTMZoneiON ILAKEWATERIINFORMATIONINAVD88IOHW+21.8I+18.58IIUSACELAKEDATUMIOLW+20.01+16.78SITECOORDINATES:LAT:47.50708NLONG:—122.20365WPURPOSE:GENECOULONPARKPROPOSED:PARKMAINTENANCEMAINTENANCEMAINTENANCEON3PARKSTRUCTURES.DATUM:USACELAKEDATUMIN:LAKEWASHINGTON.UNLESSOTHERWISENOTEDAT:RENTON,WA.,KINGCO.‘3ADJACENTPROPERTYOWNERS:VICINITYMAPANDSEC.5,TWP.23N,RG.SE—BNSFSITELOCATIONAPPLICATIONBY:—SECODEVELOPMENT,INC.—HEILYJOHNPATRICK&CITYOFRENTONCITYOFRENTONSUNDAYG.1201LAKEWASHINGTONBLVD.N.—BUILDINGCATSOUTHPORTLLRENION,WA98056SHEET1of16DATE:OCT.2021PROJECTSITE 0100200400500FT.PURPOSE:GENECOULONPARKPROPOSED:PARKMAINTENANCEMAINTENANCEMAINTENANCEON3PARKSTRUCTURES.DATUM:USACELAKEDATUMIN:LAKEWASHINGTONUNLESSOTHERWISENOTEDADJACENTPROPERTYOWNERS:EXISTINGAT:RENTON,WA.,KINGCO.SEC.5,TWP.23N,RG.5E—BNSFSITEPLANAPPLICATIONBY:—SECODEVELOPMENT,INC.—HEILYJOHNPATRICK&CITYOFRENTONCITYOFRENTONSUNDAYG.1201LAKEWASHINGTONBLVD.N.—BUILDINGCATSOUTHPORTLLRENTON,WA98056SHEET2of16DATE:OCT.2021PLAN ‘S—.—-—.....—.—---.——..-——EXIS11NGCONCRETE_-.———----.--CNICFLOATW11H-BEREPLACED,WTh--—--ADDED60%LIGHT—_.“PENETRATINGGRATINGEXISliNGHANDRAILEXISTiNG12THICKCONCRETEDECKTOBEPARTIALLY-REPLACEDWITH60%UGHTPENETRATINGGRA11NGEXISTINGCONCRETEPILECAPEXISTINGSTEELPILE.ALL95TOREMAINEXISTINGCONCRETEWESTPICNICFLOATWITHRUDERDECKTOBE/‘ThEPLACED,WIll-iADDED/60%LIGHTPENETRATINGGRATINGEXISTINGTIMBERSTEPTOBEREMOVEDANDREPLACEDWITH60%UGHTPENETRATINGGRATINGTYPICALELEVATION332PURPOSE:GENECOULONPARKPROPOSED:PARKMAINTENANCEMAINTENANCEMAINTENANCEON3PARKSTRUCTURES.DATUM:USACELAKEDATUMIN:LAKEWASHINGTONUNLESSOTHERWISENOTEDADJACENTPROPERTYOWNERS:EXISTINGCONDITIONSAT:RENTON,WA.,KINGCO.SEC.5,TWP.23N,RG.SE—BNSFSITEPLANANDELEVATIONAPPLICATIONBY:—SECODEVELOPMENT,INC.—HEILYJOHNPATRICK&CITYOFRENTONCITYOFRENTONSUNDAYG.1201LAKEWASHINGTONBLVD.N.—BUILDINGCATSOUTHPORILLRENION,WA98056SHEET3of16DATE:OCT.2021IVAR’SDECK.PREViOUSLYREPLACEDEXISTINGDAYMOORAGEFLOATS,fPRE’AOUSLY/REPLACEDz/——VNOTE-CONTOURELEVATIONSINNAVO8S.EXISTINGTIMBERSTEPTO/BEREMOVEDANDREPLACEDWITh60%LIGHTPENETRATINGGRATINGSITEPLANEXISTINGCONCRETEDECKTO——OEPARTIALLYREPLACEDWITH6D%UGHTPENETRATINGGRATINGDECKELEV. PRESURETREATED11MOERWALER,lIP.PRESURETREATEDliMBERWALER,TYP._\.\OHWcVEXIS11NGHANDRAILTOSEREINSTALLEDREPLACECONCRETEDECKY.Th60%UGHTPENETRA11NGGRA11NGEzTYPICALSECTIONATMID-SPANPURPOSE:GENECOULONPARKPROPOSED:PARKMAINTENANCEMAINTENANCEMAINTENANCEON3PARKSTRUCTURES.DATUM:USACELAKEDATUMIN:LAKEWASHINGTONUNLESSOTHERWISENOTEDADJACENTPROPERTYOWNERS:EXISTINGCONDITIONSAT:RENTON,WA.,KINGCO.SEC.5,TWP.23N,RG.SE—BNSFSECTIONSAPPLICATIONBY:—SECODEVELOPMENT,INC.—HEILYJOHNPATRICK&CITYOFRENTONCITYOFRENTONSUNDAYG.1201LAKEWASHINGTONBLVD.N.BUILDINGCATSOUTHPORTLLRENTON,WA98056SHEET4of16DATE:OCT.2021BENTSTYPICALSECTIONATBENT t2.)W4M.’.i’E-McS’.g-i‘t4,cri-is.i4c7’-C.O.t.teV(%’tr.EXISUNGPRESSURETREATEDliMBERTOSEREMOVEDTWAVEBREAKALREADYREMOVEDPURPOSE:GENECOULONPARKPROPOSED:PARKMAINTENANCEMAINTENANCEON3PARKMAINTENANCEZSTRUCTURES.DATUM:USACELAKEDATUMIN:LAKEWASHINGTONUNLESSOTHERWISENOTEDADJACENTPROPERTYOWNERS:EXISTINGCONDITIONSAT:RENTON,WA.,KINGCO.SEC.5,TWP.23N,RG.5E—BNSFSECTIONSAPPLICATIONBY:—SECODEVELOPMENT,INC.—HEILYJOHNPATRICK&CITYOFRENTONCITYOFRENTONSUNDAYG.1201LAKEWASHINGTONBLVD.N.BUILDINGCATSOUTHPORTLLRENTON,WA98056SHEET5of16DATE:OCT.2021M.?1-‘444MLTYPICALSECTIONATTIMBERSTEPS 746SF(PROPOSED)8,172SF-.;-.OHWNEXISTiNGCONCRETE‘—PILECAP,MINORREPAIRSOFSPALLSTOBEPERFORMEDU•\\EXISTiNGSTEELPILE\.ALL99TOBEWRAPPEDTOCOUNTERADDI11ONALCORROSIONIVAR’SDECKREPLACEDEXED1NGDAY/MOORAGEFLOATS,7PRE1OUSLY/REPLACEDPURPOSE:GENECOULONPARKPROPOSED:PARKMAINTENANCEMAINTENANCEMAINTENANCEON3PARKSTRUCTURES.DATUM:USACELAKEDATUMIN:LAKEWASHINGTONUNLESSOTHERWISENOTEDADJACENTPROPERTYOWNERS:PROPOSEDCONDITIONSAT:RENTON,WA.,KINGCO.SEC.5,TWP.23N,RG.5E-BNSFSITEPLANANDELEVATIONAPPLICATIONBY:—SECODEVELOPMENT,INC.—HEILYJOHNPATRICK&CITYOFRENTONCITYOFRENTONSUNDAYG.1201LAKEWASHINGTONBLVD.N.—BUILDINGCATSOUTHPORTLLRENTON,WA98056SHEET6of16DATE:OCT.20214,OHW-REPLACEDNORTH/PICNICFLOATNOTE60%OFALLDECKINGAREAWITHINDNRLEASEAREAWILLBELIGHT—PENETRA11NGGRATiNG,INCLUDINGPRE1OUSLY—REPLACEDDECKINGONVAR’SDECKAND—DAYMOORAGEFLOATS.SEETABLEBELOWLGRATINGAREASUMMARYGANGWAYGRATiNGTOBEREPLACEDWITH60%UGHTPENETRATiNGGRA11NG,TYP.AREACURRENTPROPOSALAREAFOPUGHTPENETRA11NGDEOCNORTHWATERWALK7,426SF(PROPOSED)PICNICFLOATSANDGANGWAYTOTALAREATOBEREPLACEDWITHLIGHTPENE1RA11NGDECKEXIS11NGCONCRETEDECK,TOREMAININTHISAREACONTOURELEVATiONSINNAVD88.SITEPLAN010204080120Ft.EXIS11NGHANDRAIL,REMOVEDANDRE—INSTALLEDNEW3’WIDE:zzz______—CONCRETEPANEL__-____-__NEW60%LIGHTPENETRATiNGGRATiNGNEWSTEELGIRDERTYPICALPILEANDCAPELEVATION uHw/__OHW/NEARSHORE3O’-.OHWOFFSET—-——zr-12-LSITEPLANEzPURPOSE:GENECOULONPARKPROPOSED:PARKMAINTENANCEMAINTENANCEMAINTENANCEON3PARKSTRUCTURES.DATUM:USACELAKEDATUMIN:LAKEWASHINGTONUNLESSOTHERWISENOTEDADJACENTPROPERTYOWNERS:PROPOSEDCONDITIONSAT:RENTON,WA.,KINGCO.SEC.5,TWP.23N,RC.SE—BNSFPILEPLANAPPLICATIONBY:—SECODEVELOPMENT,INC.—HEILYJOHNPATRICK&CITYOFRENTONCITYOFRENTONSUNDAYC.1201LAKEWASHINGTONBLVD.N.—BUILDINGCATSOUTHPORTLLRENTON,WA98056SHEET7of16DATE:OCT.2021NOW:CONTOUREJIVA11ONSINNAVO88.IVER11CALPILE,TYP.BATTERPILE,TYP.1.ALL99PILESTOBEWRAPPED.010204080120fl.2.ALLPILESARE12.750NOMINAL. NEWRPLWALER,TiP.EXIS11NGHANDRAIL,—TOBEREFURBISHEDANDREINSTALLEDNEW60%UGHT—‘PENERA11NGGRATiNGNEWSTEELRDER,rip.ES11NGCONCRETEPILECAP,TOREMAINEXISTiNGSTEELPILETOBEWRAPPEDEXISTiNGSTEELBATTERPILE‘ALTERNA11NGBENTSTOBEWRAPPEDEz60NOTE:ALLRPL(RECYCLEDPLASTiCTiMBER)REPLACESEXISTiNGPRESSURE—TREATEDTiMBERIN—KIND.NEWSTEELPOSTBLOCK\\TYPICALSECTIONATBENTNEWRPLWALER,TiP.OHWJEXISTiNGHANDRAIL,—TOBEREFURBISHED/ANDREINSTALLED/NEW60%LIGHT,—PENETRA11NG‘,/GRATiNGNEWSTEELGIRDER,TiP.J_ITYPICALSECTIONATMID-SPANPURPOSE:GENECOULONPARKPROPOSED:PARKMAINTENANCEMAINTENANCEMAINTENANCEON3PARKSTRUCTURES.DATUM:USACELAKEDATUMIN;LAKEWASHINGTONUNLESSOTHERWISENOTEDADJACENTPROPERTYOWNERS:PROPOSEDCONDITIONSAT;RENION,WA.,KINGCO.SEC.5,TWP.23N,RG.SE-BNSFSECTIONSAPPLICATIONBY:—SECODEVELOPMENT,INC.—HEILYJOHNPATRICK&CITYOFRENTONCITYOFRENIONSUNDAY0.1201LAKEWASHINGTONBLVD.N.—BUILDINGCATSOUTHPORTLLRENION,WA98056SHEET8of16DATE;OCT.2021 NEW60%UGHIRPL3E3PURPOSE:GENECOULONPARKPROPOSED:PARKMAINTENANCEMAINTENANCEMAINTENANCEON3PARKSTRUCTURES.DATUM:USACELAKEDATUMIN:LAKEWASHINGTONUNLESSOTHERWISENOTEDADJACENTPROPERTYOWNERS:PROPOSEDCONDITIONSAT:RENTON,WA.,KINGCO.SEC.5,TWP.23N,RG.5E—BNSFSECTIONSAPPLICATIONBY:—SECODEVELOPMENT,INC.—HEILYJOHNPATRICK&CITYOFRENTONCITYOFRENTONSUNDAYG.1201LAKEWASHINGTONBLVD.N.—BUILDINGCATSOUTHPORTLLRENTON,WA98056SHEET9of16DATE:OCT.2021TYPICALSECTIONATSTEP TYPICALSECTIONBENCHESANDTABLESTOBEREFURBISHEDANDREINSTALLED,SHOVRDASHEDPOLYTUBFLOATAT1ON(5ozOFFLOATAREA)NEWALUMINUMFRAME-FLOAT60%LIGHTPENETRA11NGGRA11NGzPURPOSE:GENECOULONPARKPROPOSED:PARKMAINTENANCEMAINTENANCEMAINTENANCEON3PARKSIRUCIURES.DATUM:USACELAKEDATUMIN:LAKEWASHINGTONUNLESSOTHERWISENOTEDADJACENTPROPERTYOWNERS:NEWPICNICAT:RENTON,WA.,KINGCO.SEC.5,TWP.23N,RG.5E-BNSFFLOATDETAILSAPPLICATIONBY:—SECODEVELOPMENT,INC.—HEILYJOHNPATRICK&CITYOFRENTONCITYOFRENTONSUNDAYG.1201LAKEWASHINGTONBLVD.N.—BUILDINGCATSOUTHPORTLLRENTON,WA98056SHEET10of16DATE:OCT.2021TYPICALPLANNOTE•ALLRPL(RECYCLEDPLAS11CRPLTOPEMBER)REPLACESEXIS11NGPRESSURE—TREATEDliMBERIN—KIND.BENCHTOBEREMOVED,STEELREFURBISHED,WOODREPLACEDTHENREINSTALLEDRPLFlip.NEWRPLBLOCKING EXISTINGGANGWAYSTRUCTURE10REMAINREMOVEEXISTiNGGRATINGANDREPLACEWITh60%LIGHTGRATING]LSECTIONEPURPOSE:GENECOULONPARKPROPOSED:PARKMAINTENANCEMAINTENANCEMAINTENANCEON3PARKSTRUCTURES.DATUM:USACELAKEDATUMIN:LAKEWASHINGTONUNLESSOTHERWISENOTEDADJACENTPROPERTYOWNERS:GANGWAYSECTIONAT:RENTON,WA.,KINGCO.SEC.5,TWP.23N,RG.SE—BNSF—SECODEVELOPMENT,INC.APPLICATIONBY:—HEILYJOHNPATRICK&CITYOFRENTONCITYOFRENTONSUNDAYG.1201LAKEWASHINGTONBLVD.N.—BUILDINGCATSOUTHPORTLLRENTON,WA98056SHEET11of16DATE:OCT.2021C CCEXISTINGDRIVEWAYANDPARKINGTOREMAIN—EXISTiNGASPHALTPATHTOREMAINEXIS11NGTREETOREMAIN,TYPICALORDINARYHIGHWATER—/EXIS1JNG]JMBERLANDSCAPEBARRIERTOREMAIN,TYPICALEXISJ1NGNA]JVEVEGETA11ONTOREMAIN,TYPICALEXIS]1NGVIEWINGDECKTOREMAINEXISTINGNORTHWATERWALK\\PURPOSE:PARKMAINTENANCEGENECOULONPARK0NORTHSCALE\MAINTENANCEDATUM:0.0’M.L.L.W.ADJACENTPROPERTYOWNERS:—BNSF—SECODEVELOPMENT,INC.—HEILYJOHNPATRICK&SUNDAYG.—BUILDINGCATSOUTHPORTLLEXISTINGCONDITIONSPLANTINGCITYOFRENTON1201LAKEWASHINGTONBLVD.N.RENTON,WA98056PROPOSED:MAINTENANCEON3PARKSTRUCTURES.IN:LAKEWASHINGTONAT:RENTON,WA.,KINGCO.SEC.5,TWP.23N,RG.5EAPPLICATIONBY:CITYOFRENTONSHEET12of16DATE:OCT.2021 \0,.1,DATUM:0.0’M.L.L.W.ADJACENTPROPERTYOWNERS:—BNSF—SECODEVELOPMENT,INC.—HEILYJOHNPATRICK&SUNDAYC.—BUILDINGCATSOUTHPORTLLGENECOULONPARKMAINTENANCEEXISTINGCONDITIONSIRRIGATIONCITYOFRENTON1201LAKEWASHINCTONBLVD.N.RENTON,WA98056PROPOSED:MAINTENANCEON3PARKSTRUCTURES.IN:LAKEWASHINGTONAT:RENTON,WA.,KINGCO.SEC.5,TWP.23N,RG.5EAPPLICATIONBY:CITYOFRENTONSHEET13of16DATE:OCT.2021ORDINARYHIGHWATER—EXISTINGTREETOREMAIN,TYPICALEXISTINGTIMBER—.LANDSCAPEBARRIERTOREMAIN,TYPICALEXIS11NGVIEWINGDECK10REMAINEXISTINGNORTHWATERWALKEXIS11NGIRRIGA11ONMAINLINE,TYPICAL.—EXIS11NGIRRIGA11ONLATERALLINE,TYPICAL—EXIS11NGIRRIGA]10NSPRAYHEAD,TYPICALEXIS11NGSLEEVE,TYPICAL—EXISTiNGIRRIGATiONWATERMETERNORTHASSEMBLYPURPOSE:PARKMAINTENANCESCALE\ \THEPURPOSEOFTHEMI11GATIONPLANTINGISTOIMPROVETHEQUALITYANDQUAN11TYOFSHORELINERIPARIANCONDI11ONS.2.NOIN—WATERWORKISPARTOFTHISMI1JGA11ONPLANTING.NOHEAVYEQUIPMENTWiLLBEOPERATEDBELOWOHW.SOMEHANDHELD,MECHANICALEQUIPMENTMAYBEUSEDDURINGPLANTINSTALLA11ON.INSTALL‘HABITATAREA’SIGNPROPOSEDCONDITIONPLANTINGCITYOFRENTON1201LAKEWASHINGTONBLVD.N.RENTON,WA980560NORTHPROPOSED:MAINTENANCEON3PARKSTRUCTURES.IN:LAKEWASHINGTONAT:RENTON,WA.,KINGCO.SEC.5,TWP.23N,RG.5EAPPLICATIONBY:CITYOFRENTONSHEET14of16DATE:OCT.2021—EXISTINGDRIVEWAYANDPARKINGTOREMAINEXISTINGASPHALTPATHTOREMAINEXISTINGTREETOREMAIN,TYPICALMITIGATIONPLANTINGAPPROACHCORDINARYHIGHWATER—i’10’OFFSETFROMORDINARYHIGHWATER25’OFFSETFROM—ORDINARYHIGHWATEREXISTINGTIMBER—.LANDSCAPEBARRIERTOREMAIN,TYPICALEXISTINGNATIVEVEGETATIONTOREMAIN,TYPICALREMOVALOFEXISTINGNATIVE—....VEGETATIONISPROHIBITED2GALLONREDTMG—DOGWOOD,TYPICAL6’MINIMUMHEIGHTWESTERN—REDCEDAR,TYPICALEXISTINGVIEWING—....DECKTOREMAINEXISTINGNORTH—WATERWALK•TEMPORARYPLANTPROTECTIONFENCINGSCALE\.PURPOSE:GENECOULONPARKPARKMAINTENANCEMAINTENANCEz0DATUM:0.0’M.L.L.W.ADJACENTPROPERTYOWNERS:—BNSF—SECODEVELOPMENT,INC.—HEILYJOHNPATRICK&SUNDAYG.—BUILDINGCATSOUTHPORTLL NOTES:EXCAVATEPLANTiNGPITTOA2—0”DEPTH&6’—O”RADIUSAROUNDEACHPLANTANDLEGALLYDISPOSEOFEXCAVATEDMATERIALOFF—SITE.2.ALLSOIL,ANDJAPANESEKNOTWEEOCORMS,ROOTS,STEMS,SEEDS,ANDFOUAGESHALLBECOMPLETELYREMOVEDFROMEXCAVATEDAREAANDDISPOSEDOFOFF—SITE.3.ANYEXISTINGDOGWOODSHRUBROOTSIMPACTEDBYPLANTiNGSHALLBERE—CUTWThACLEANANDSHARPPRUNINGBLADEPRIORTOCOVERING.TREETRUNKPLANTiNGHOLERADIUS2”X4”GALVANIZEDFENCING,MIN3’—ONTW/MIN6”EMBEDMENTSTEELLANDSCAPESTAKEWItHSTAKE-SAFECAPcTYPICALTREEINSTALLATIONNOTTOSCALENOTES:EXCAVATEPLANTINGPITTOA2—0”DEPTH&6’—O”RADIUSAROUNDEACHPLANTANDLEGALLYDISPOSEOFEXCAVATEDMATERIALOFF—SITE.2.ALLSOIL,ANDJAPANESEKNOTWEEDCORMS,ROOTS,STEMS,SEEDS,ANDFOUACESHALLBECOMPLETELYREMOVEDFROMEXCAVATEDAREAANDDISPOSEDOFOFF—SITE.3.ANYEXISTiNGDOGWOODSHRUBROOTSIMPACTEDBYPLANTINGSHALLBERE—CUTWITHACLEANANDSHARPPRUNINGBLADEPRIORTOCOVERING.®TYPICALSHRUBINSTALLATIONNOTTOSCALE)“—1”WIDEWEBBEDFABRICTAPE(ARBoRTIEORAPPROVEDEQUAL).SECURETOTREESTAKEWITH#2PENNYCOMMONNAJL(ONEPERSTAKE),ALLOWFORENOUGHSLACKINARBORTIETOACCOMMODATE12”LATERALTRUNKMOVEMENTATHEIGI-ITOFATTACHMENT•TREESTAKE•ROOTOALLLOOPDIASHALLBE6”—8’GREATERTHANTREETRUNKDIASECURELOOPWiThOVERHANDSUPKNDT.PULLEDAGAINStASECONDOVERHANDKNOT,TIEDPLANONTHEWEBBEDFABRICTAPE(2)2DIAWOODDOWELEDTREESTAKESWItHCHAMFEREDTOP&6CONICALPOINTBOTtOM,KEEPCLROFROOTBALL4DIA.SPLITCORRUGATEDDRAINPIPE,ZIPTiEDCLOSED;INSTALLFROMFiNISHGRADETO6BELOWBOTTOMBRANCHWEBBEDFABRICTAPETOPOFROOTCROWNTOBE1”HIGHERTHANFiNISHGRADE4”HOGFUELMULCHDEPTH,TAPERDEPTHATTRUNKTOAVOIDCONTACT,INSTALLMULCHTOLIMITSEXCAVATION,SEEPLANTINGNOTE11DEPTHFiNECOMPOSTTOLIMITSOFPLANTINGHOLEINSTALL4NTX4WIDTHWATERRINGATO}JTSIDEEDGEOFPLANTINGHOLEFiNISHGRADEPRIORTOPLACINGMULCHWITHPLANTINGSOILANDAMENDMENTS,WHENHOLEISHALFFiLLEDTHOROUGHLYWATERSEttLE,THENADDREMAININGSOILANDWATERSETTLEASECONDTIME1:1SLOPEONSIDESOFPLANTINGHOLE,SCARIFYSIDESOFPLANTINGHOLE-TOPOFROOTCROWNTOBEFLUSHWITHFiNISHGRADEl”DEPTHFiNECOMPOSTTOLIMITSOFPLANTINGHOLE-FINISHGRADEPRIORTOPLACINGMULCHliGHTLYSCARIFYROOTBALLTOLOOSENROOTSPRIORTOPLANTING-BACKFILLWITHPLANTINGSOIL.THOROUGHLYWATERSETTLE-MOUND&COMPACTDCSOILUNDERROOTBALLTO85%MINDRYDENSITYTOPREVENTSETTLING1:1SLOPEONSIDESOFPLANTINGHOLEFENCINGSHALLBEMIN12”FROMEDGEOFTREEFOLIAGEBEAVERPROTECTION-FENCING,FASTENTOSTEELLANDSCAPESTAKESWIGALVANIZEDWIREMINEVERY6”,STARTINGATBOTTOMIHCOMPACTEDTO85%MAXDRYTHANDIAOFREMOVESTRINGS,TWINE,AND/DRWIREBASKETSFROMROOTBALL;UNDISTURBEDDCSOILORSOIL__-,12GREATERL\\AFTERPLACINGWEEINPLANTINGPIT,curANDCOMPLETELYDENSITY.VERIFYPOSITIVEDRAINAGEROOTUALLCOMPLETELYREMOVEFABRICCROWBAGS;CUTBURLAPFROMTOPPRIORTOCONSTRUCTION1/3OFROOTBALLANDREMOVECUTBURLAPFROMPLANTINGPITSECTIONMOUND&COMPACTEXSOILUNDERROOTBALLTO85GMINDRYDENSITYTOPREVENTSEttLING4”HOGFUELMULCHDEPTH,KEEPMULCHLAYERAWAYFROMFOLIAGE,INSTALLMULCHTOLIMITSOFEXCAVATION,SEEPLANTINGNOTE1INSTALL4”NTX4”WIDTH•WATERRINGATOUTSIDEEDGEOFPLANTINGHOLEUNDISTURBEDEXSOILORDCSOILCOMPACTEDTO85%MAXDRYDENSITY;VERIFYPOSITIVEDRAINAGEPRIORTOCONSTRUCTIONSECTIONPURPOSE:GENECOULONPARKPROPOSED:PARKMAINTENANCEMAINTENANCEON3MAINTENANCEPARKSTRUCTURES.DATUM:0.0’M.L.L.W.IN:LAKEWASHINGTONADJACENTPROPERTYOWNERS:PROPOSEDCONDITIONAT:RENTON,WA.,KINGCO.—BNSFPLANTINGSECTIONSSEC.5,TWP.23N,RG.5E—SECODEVELOPMENT,INC.APPLICATIONBY:—HEILYJOHNPATRICK&CITYOFRENTONCITYOFRENTONSUNDAYC.1201LAKEWASHINGTONBLVD.N.—BUILDINGCATSOUTHPORTLLRENTON,WA98056SHEET15of16DATE:OCT.2021 PURPOSE:PARKMAINTENANCEDATUM:0.0’M.L.L.W.ADJACENTPROPERTYOWNERS:—BNSF—SECODEVELOPMENT,INC.—HEILYJOHNPATRICK&SUNDAYG.—BUILDINGCATSOUTHPORTLLPROPOSEDCONDITIONIRRIGATIONCITYOFRENTONLAKEWASHINGTONBLVD.N.RENTON,WA98056TYPICALPROPOSED:MAINTENANCEON3PARKSTRUCTURES.IN:LAKEWASHINGTONAT:RENTON,WA.,KINGCO.SEC.5,TWP.23N,RG.5EAPPLICATIONBY:CITYOFRENTON0NORTHSHEET16of16DATE:OCT.2021ORDINARYHIGHWATEREXIS11NGIRRIGATIONMAINLINE,TYPICALEXIS11NGTREETOREMAIN,TYPICALEXISJJNGIRRIGA]10NLATERALLINE,TYPICALEXIS11NGIRRICA11ONSPRAYHEAD,TYPICALEXISTINGTIMBERLANDSCAPEBARRIERTOREMAIN,TYPICALEXISTINGSLEEVE,TIE—INTOEXISTINGIRRIGATIONSYSTEMFORMITIGATIONAREAIRRIGATIONDURINGPLANTESTABLISHMENTAPPROXIMATELIMITSOFMITIGATIONAREAIRRIGATIONEXISTINGVIEWINGDECKTOREMAINEXISTINGNORTHWATERWALKEXISTINGIRRIGATIONWATERMETERGENECOULONPARKMAINTENANCESCALE1201 GEOENGINEERMemorandum21014thAvenue,Suite950,Seattle,WashingtonSuite950,Telephone:206.728.2674,Fax:206.728.2732www.geoengineers.comTo:BetsySevertsen,ParksPlanningandNaturalResources,CityofRentoncc:CohnKuester,PE,P1NIDEngineersFrom:(VmilyR.Hum,JasonP.StutesPhD,andJoseph0.Callaghan,GeoEngineers,Inc.Date:October26,2021V5’File:0693-086-00Subject:GeneCoulonMemorialBeachParkNorthWaterWalkImprovements-LakeStudyINTRODUCTIONANDPROJECTPURPOSETheGeneCoulonMemorialBeachParkNorthWaterWalkImprovementsProjectislocatedwithinthesoutheasternshorelineofLakeWashingtonalongLakeWashingtonBoulevardinRenton,Washington.LakeWashingtonisconsideredashorelineofstatewidesignificanceperRentonMunicipalCode(RMC)4-3-090.ThepurposeoftheprojectistoincreaselightpenetrationandreplacetreatedtimbercomponentsattheGeneCoulonMemorialBeachParkNorthWaterWalk(WaterWalk)alongwithothermaintenanceactivities.Thiswillbeaccomplishedbyremovingtheexistingconcretedeckandreplacingwithlight-penetratinggrateddeckingsupportedonnewsteelgirders.Inaddition,theexistingpicnicfloatswillbereplacedwithnewaluminumframing,plastictimberandlightpenetratingdecking.Thegratedgangwaysandtimbersteprunswillalsobereplacedwithlightpenetrationdecking.Alltreatedtimbercomponents,includingsteprisers,fasciaboardsandbull-railswillbereplacedwithrecycledplasticlumber(RPL).Intotal,approximately8,172squarefeetoffiberglasslightpenetratinggratingwithsupportingsteelbeamswillbeinstalled.PilewrappingtopreventpilecorrosionisalsoproposedalongwithminorrepairstoexistingpilecapsandpaintingofthePilotHouse.PROJECTOVERVIEWTheprojectconsistsofmultipleimprovementstotheWaterWalk.ImprovementstotheWaterWalkincludethereplacementoftheexistingconcretedeckwithnewgalvanizedsteelframing,60percentlightpenetratingfiberglassgrateddeckingandconcretepanelstomatchthenewdeckaroundtheadjacentIvar’sRestaurant.Thenewconcretepanelswillbeprecastandthinnerthanthepreviousconcretedecking.Thinnerdeckingandconcretewillresultinthebottomelevationofthegratingtobeabout19inchesaboveordinaryhighwater(OHW),13incheshigherthanthebottomoftheexistingconcretedeck.Theshadingcausedbytheexistingstructurewillbesubstantiallyreducedandmorediffusecomparedtopre-projectconditions.Inaddition,theexistingtimberpicnicfloatswillbereplacedwithnewgalvanizedsteelframing,RPLandgrateddecking.Thesteprunsandthegangwayswillalsobereplacedwiththe60percentlightpenetratingfiberglassgrateddecking.Theexistingaluminumgratedgangwaysareonlyapproximately20percentlightpenetrating.Alltreatedtimbercomponents,includingfasciaboards,steprisers,walersandbull-rails,willbereplacedwithplastictimber.Intotal,approximately8,172squarefeetofconcretepanels,timberpicnicfloatsandgangwayswillbereplacedwithfiberglasslightpenetratinggrating.TheWaterWalkdeckingwillbesupportedbysteelbeams.RemovingpressuretreatedtimbercomponentsandincreasinglightpenetrationtothelakewillprovideanetenhancementtoshorelinehabitatandenvironmentalconditionswithinLakeWashington. MemorandumtoCityofRentonOctober26,2021Page2ThedimensionsoftheWaterWalkandpicnicfloatswillnotchange;however,thenewgrateddeckingwillnowbeapproximately60percentlightpenetrating.Currentconcretedeckingissolidandpreventsanylighttransmission.Theprojectwillresultinanetfunctionaldecreaseofover-waterstructureshadingandisthereforeconsideredtobeself-mitigating.Inadditiontotheabove,pilewrappingtopreventpilecorrosionisalsoproposedandistheonlyprojectcomponentthatisconsideredin-waterwork.Thispilewrappingsystemwillincludeaninnermoisturebarrieraswellasanouterjacketthatwillcoverthepilingfromjustbelowthemudlinetoabovethehigh-waterline.Theonlyfillassociatedwiththisproposedprojectistheinstallationofpilewrapsarounddegradedpiles.Thefillincludesthethicknessofthesleeveandthematerialusedtofilltheinterstitialspacebetweenthepileandtheinnersurfaceofthesleeve(approximately3.3cubicyardstotal).Minorrepairstoexistingpilecapsandpaintingofthepilothousewilloccurabovetheordinaryhighwatermark(OHWM).Thetotalestimatedprojectcostis$5to$6milliondollars.Nouplanddisturbanceisincludedaspartofthisproject,includingnotreeremovalorgradingproposed.ThesiteiswithintheShorelineManagementActjurisdictionwiththelocalshorelineenvironmentdesignationofhighintensity.ThesiteiszonedasR-1Residential.IMPACTASSESSMENTThepurposeofthissectionistoprovideanoverviewoftheprojectdetailsaddressingtheCriticalAreascode(RMC4.3.050)andsubmittalrequirementsforlakestudyassessmentnarrativeperdefinitioninRMC4-8-120(D)(19).Thisprojectqualifiestobeprocessedthroughthe“RestorationandPermitting(RAP)”programforexpeditedEndangeredSpeciesAct(ESA)Section7compliance.Asasupplementtothismemo,theRAPformandassociateddocumentsandaBiologicalAssessment(GeoEngineers2020)weredevelopedforthisprojectandprovidethoroughanalysisoftheprojectactivitiesandpotentialimpactstolistedspeciesandhabitat.ThesiteisadjacenttoLakeWashington,whichisinventoriedasaTypeSwaterbodyor“ShorelineoftheState”.TheCityofRenton’sCORMapsthesiteaswithinshorelinejurisdictionandthereforeCityofRenton’sShorelineMasterProgramRegulationsalsoapplytodevelopmentatthissite.Allexistingdrainagepatternsatthesitewillbeunchangedasnouplandworkisproposed.DrainagewithintheuplandportionoftheparkisdirectedtothelakeincludingthroughthegrateddeckingassociatedwiththeWaterWalk.VegetationTheadjacentterrestrialportionsofGeneCoulonMemorialBeachParkarecharacterizedbygrassymowedlawns,pavedparkinglots,andsmallisolatedareasofshrubsandmaturetrees.Anapproximately3-to5-foot-widestripofriparianvegetationalongshorelineischaracterizedbyredosferdogwood(Cornussericea),reedcanarygrass(Phalarisarundinacea)andyellowflagiris(Irispseudacorus).Portionsoftheshorelinearearmoredwithriprapanda2.5-foot-tallwoodenretainingwall.AllprojectactivitieswilloccurwithintheexistingWaterWalkandthereforewillhavenoimpacttouplandareasorvegetation.AllworkislimitedtotheexistingWaterWalkstructureandthereforehasnoimpacttovegetativecoveratthepark.NomeasurestoprotecttreesandvegetationarenecessaryasallworkwillbeperformedviabargeorfromtheexistingWaterWalk. MemorandumtoCityofRentonOctober26,2021Page3EcologicalFunctionsLakeWashingtoncontainsESA-listedpopulationsofChinookSalmon(Oncorhynchustshawytscha),Steelhead(Oncorhynchusmykiss)andBullTrout(Salvelinusconfluentus),aswellasnon-ESA-listedpopulationsofCohoSalmon(Oncorhynchuskisutch),SockeyeSalmon(Oncorhynchusnerka),Kokanee(Oncorhynchusnerka),RainbowTrout(Oncorhynchusmykiss),andCoastalCutthroatTrout(Oncorhynchusclarkil),aswellasothernon-salmonidnativeandintroducedfishspecies.Bothadultandjuvenileindividualsofeachofthesespecieshavebeenobservedwithinthelake.TheLakeWashingtonshorelineintheprojectareadoesnotcontainappropriatehabitatforBullTrout(alsoESA-listed)spawningorrearing.However,BullTroutlikelymigratethroughLakeWashingtontoandfromtheCedarRivetandadultBullTroutmigrateintoLakeWashingtontoforageduringthewinterandearlyspring.TheLakeWashingtonshorelinealsoprovideshabitatforbirdnesting,breedingandfeeding/foragingareas.PotentialimpactstoecologicalfunctionswithinLakeWashingtonfromthisprojectarelimitedtohabitatalterationandwaterquality.Theseimpactsaredescribedbelow:•HabitatAlteration:Majorhabitatalterationassociatedwiththeprojectconsistsolelyofhabitatimprovements.Replacingconcretedeckingwithgratedmaterialswilldirectlyresultinsignificantlylessshadingoflimneticandlittoralenvironments.Theremovalandreplacementofpressure-treatedtimbercomponentsontheWaterWalkwilldecreasepotentialleachingofcontaminantsandprovideindirectbenefitstoESA-listedspeciesthroughimprovementsinfoodquality/quantity.•WaterQuality:Thisprojectmayhaveshort-termtemporaryimpactstoESA-listedfishspeciesfromwaterqualityimpactsduringconstructionrelatedtotheinstallationofthepilewrapsystem.Theremaybeatemporaryincreaseinturbidityastheoutersleeveispushedbelowthemudlineoftheexistingpilebase.However,thelevelofdisturbancewillbelimitedtoasinglepileatatimeandthevolumesofsedimentbeingdisturbedareminimal.Anyminorelevationstoturbiditywillbetemporary,limitedinareaaffectedanddissipateshortlyafterdisturbance.NONETLOSSPerRMC4-3-090,ShorelineMasterProgramRegulations,thisprojectmustmeetthecriteriaofnonetlossofecologicalfunctionsasdescribedinRMC4-3-090D2.Throughcarefulprojectdesign,theprojectminimized,tothegreatestextentpracticable,directimpactstoaquaticareas(belowOHWM)andprovidesnonetlossoflakefunctionbecauseofdeckreplacementmaterialsrevisions,implementingminimizationmeasuresinadditiontofuturerestorationintheLakeWashingtonwatershedthatwillbesupportedthroughthemitigationfee.Theprojectwillresultindecreaseofoverwatershadingbyutilizinggrateddeckingtoreplaceexistingconcretepanelsaswellaspotentialimprovementtowaterqualitythroughremovaloftimberdockcomponents,andreplacementwithcompositedeckingmaterial.Althoughthetotalsizeofthereplacementdocksandpicnicfloatsisthesameastheexistingdocks,theamountofoverwatershadingwillbereducedbyutilizinggrateddecking.EndangeredSpeciesMitigationAlthoughthisprojectisself-mitigatingaccordingtoCityofRentoncode(RMC4-3-090),thisprojectisbeingmadetomitigateforextensionoflifecomponentsforthestructureundertheESA.Therefore,sincethisproject MemorandumtoCityofRentonOctober26,2021Page4islocatedonLakeWashingtonitqualifiestobereviewedandpermittedthroughtheRAPprogramforexpeditedESASection7compliance.TosatisfytheRAPrequirements,theminimumnumberofplantingsarebeinginstalledwhichincludethreeredosierdogwoodsandtwoWesternredcedars(Thujaplicata).Theseplantingswillbemonitoredannuallyfor5yearstoensuretheirsurvival.SeeGeoEngineers2021formoredetailsonplanting,monitoringandreportingschedule.Inadditiontotheplantings,theCityofRentonwillbepayingaconservationfeetooffsetthedebitsgeneratedaspartoftheendangeredspeciesconsultation.TheconservationfeewillgotowardsKingCounty’sIn-LieuFee(ILF)MitigationProgramwhichisinturnusedtorestore,establish,enhanceand/orpreservewetland,river,streamandbufferwithintheLakeWashingtonwatershed(KingCounty2021).MeasurestoProtectSpeciesandHabitatConservationmeasuresandBestManagementPractices(BMPs)willbeutilizedduringprojectconstructiontoavoidtemporaryimpactstofishandaquatichabitat.Conservationmeasureswillfocusonminimizingerosionandsedimentationandthepossibilityofspills.Specialmeasureswillbetakentoensurethatallwastematerialswillbedisposedofoff-siteandinaccordancewithapplicableregulations,adequatematerialsandprocedureswillbereadilyavailableonthesitetorespondtounanticipatedweatherconditionsoraccidentalreleasesofmaterials,andaprotocolforcontactingWashingtonDepartmentofFishandWildlife(WDF\N)willbereadilyavailableintheeventthatactivitiesareobservedtoresultinfishkills,fishindistressorotherwaterqualityproblems.Inaddition,in-waterworkwillberestrictedtotheconstructionwindowforin-waterworkinLakeWashingtonwithin1-mileoftheCedarRiverwhichisJuly16toJuly31andNovember16toDecember31(KingCounty2019)toprotectfish.SUMMARYTheCityofRentonParksPlanning&NaturalResourcesDepartmentproposesimprovementsatCoulonParkWaterWalktoincreaselightpenetrationandreplacetreatedtimbercomponentsalongwithothermaintenanceactivities.Theproposedprojecthasnoimpactstoexistingvegetationandthemajorityofimprovementsaretotheoverwaterstructurewithin-waterworklimitedtothepilewraps.AspartoftheRAPpermittingprocess,theCityofRentonwillbeinstallingtwotreesandthreeshrubsalongtheshoreline.Inaddition,theCityofRentonwillbepayingaconservationfeethatwillfundrestorationprojectswithintheLakeWashingtonwatershedthroughKingCounty’sILFMitigationProgram.Thisprojectwillresultinoverallimprovementtonearshoreresourcesandoverallecologyoftheshorelineinadditiontoimprovingpublicaccessandenjoymentoftheshoreline.REFERENCESGeoEngineers,Inc.fGeoEngineers).2021.CoulonBeachParkNorthWaterWalkImprovementProject—RestorationandPlantingMemo.PreparedforPNDEngineers,InconbehalfofCityofRenton.DRAFT,deliverabledatetobedetermined.GElFileNo.0693-086-00.GeoEngineers,Inc.(GeoEngineers).2020.BiologicalEvaluationandEssentialFishHabitatEvaluation.GeneCoulonMemorialBeachParkNorthWaterWalkImprovementsProject,Renton,Washington.PreparedforPNDEngineers,InconbehalfofCityofRenton.December15,2020.GElFileNo.0693-086-00. MemorandumtoCityofRentonOctober26,2021Page5KingCounty.2019.ImplementationGuideforRestorationandPermitting(RAP)ForLakeWashingtonandLakeSammamishInstructionsforApplicants.July25,2019.KingCounty.2021.MitigationReservesProgram—Introduction.Availableat:httos://kincounty.gov/services/environment/water-and-land/wetlands/mitiation-creditprogram.aspx(accessed10/13/21)DisclaimerAnyelectronicform,facsimileorhardcopyoftheoriginaldocument(email,text,table,and/orfigure),itprovided,andanyattachmentsareonlyacopyoftheoriginaldocument.TheoriginaldocumentisstoredbyGeoEngineers,Inc.andwillserveastheofficialdocumentofrecord.