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WebLinkAboutD_ERC_Report_190305_v2CITYOFDEPARTMENTOFCOMMUNITYANDECONOMICDEVELOPMENTENVIRONMENTALREVIEWCOMMITTEEREPORTERCMEETINGDATE:May2,2016ProjectName:SenzaLakeviewPreliminaryPlatProjectNumber:LUA16-000165,ECF,PP,SMProjectManager:ClarkH.Close,SeniorPlannerOwner:lCapLakeview,LLC,3535FactoriaBlvdSE,Suite500,Bellevue,WA98006Applicant/Contact:JamieSchroeder,PE,CPHConsultants,11431WillowsRdNE,Suite120,Redmond,WA98052ProjectLocation:3907ParkAveN,RentonWA98056ProjectSummary:TheapplicantisrequestingPreliminaryPlat,SEPAEnvironmentalReviewandaShorelineSubstantialDevelopmentPermitforapprovalofa17-lotsubdivision.The3.83acresiteislocatedat3907ParkAveNwithintheResidential-6zoningdistrict.Theparcelsareproposedtobedividedinto17residentiallots,awaterqualitytract,andanopenspacetract.Thevaulttract,locatedatthenorthwestcornerofthesitewoulddischargetotheCitystormwatersystemandeventuallyflowtoLakeWashingtonroughly1/8miledownstream.Theapplicantwoulddedicate27,507sfforpublicright-of-waytoservethenewlots.Theproposedlotswouldrangeinsizefrom7,000sfto9,531sfwithanaveragelotsizeof7,470sf.Theplatwouldresultinanetdensityof5.3du/ac.TheprojectsiteisfrontedbyN40thSttothenorth,ParkAveNtotheeast,andLakeWashingtonBlvdNtothewest.Accesstothesitewouldbegainedbyanewpublicroadway(RoadA)offofN40thSt.Therearemoderatelandslidehazardsandsteepslopesmappedinthearea.FrontageimprovementsalongLakeWashingtonBlvdNarewithin200ftofLakeWashingtonortheregulatedshoreline(LakeWashingtonReachD).Therearenoknownindicationsofunstablesoilsintheimmediatevicinityofthesite.Soilsconsistofmediumdensetodense,siltysandwithgravelconsistentwithVashontill.Thesiteslopesgenerallyeasttowestacrossthepropertyatslopesrangingfrom1-40%withatotalfallofapproximately70ft.Theexistinghomeshavebeenorareinvariousstagesofbeingdemolished.Theapplicanthasproposedtoretainfive(5)ofthe40significanttreesonsite.TheapplicanthassubmittedaTechnicalInformationReport,ArboristReport,TrafficAssessment,andaGeotechnicalEngineeringStudywiththeapplication.SiteArea:166,835SF(3.83acres)STAFFStaffRecommendsthattheEnvironmentalReviewCommitteeissueaRECOMMENDATION:DeterminationofNon-Significance-Mitigated(DNS-M).ERCREPORT16-000165RECEIVED11/16/2018aalexanderBUILDING DIVISIONPR16000315B18006356V2REVISION Received: 03/06/2019 / aalexanderBUILDING DIVISION CityofRentonDepartmentofCommunity&EconomicDevelopmentSENZALAKEWEWPRELIMINARYPLATReportofMay2,2016EnvironmentalReviewCommitteeReportLUA16-000165,ECF,PP,SMPage2of10ProjectLocationMap:PARTONE:PROJECTDESCRIPTIONIBACKGROUNDTheapplicantisrequestingPreliminaryPlatapprovalandEnvironmental(SEPA)Reviewforthesubdivisionoffourparcelstotaling3.83-acrelocatedat3907ParkAveN,withintheNWY4ofSection32,Township24North,Range5East,W.M.(Exhibit3).Thespecificparcelnumbersare334270-0415,-0420,-0425,and-0427.Theprojectsiteformerlyconsistedofthree(3)singlefamilydwellingswithavarietyoflandscaping.Thesiteisproposedtobesubdividedinto17singlefamilyresidentiallots,associatedroadandutilityimprovements,awaterqualitydrainagetract,andanopenspacetract(Exhibits2,6,7,&8).ThedrainagetractwouldconsistofawaterqualityStormfiltercartridgevaulttotreatrunoffinthenorthwestcornerofthesite.Thesubjectsiteisborderedbysingle-familyhomesaroundallsidesoftheproperty.LocatedtothenorthofthesiteisN40thSt,ParkAveNistotheeast,andLakeWashingtonBlvdNistothewest.Table1.SurroundingLandUseandZoningLocationComprehensiveLandUseZoningSiteResidentialMediumDensity(RMD)Residential-6DwellingUnitsPerNetAcre(R-6)NorthResidentialMediumDensity(RMD)Residential-6DwellingUnitsPerNetAcre(R-6)SouthResidentialMediumDensity(RMD)Residential-6DwellingUnitsPerNetAcre(R-6)EastResidentialMediumDensity(RMD)Residential-6DwellingUnitsPerNetAcre(R-6)WestResidentialMediumDensity(RMD)Residential-6DwellingUnitsPerNetAcre(R-6)The3.83-acreprojectsiteislocatedwithintheResidential-6(R-6)dwellingunitspernetacrezoningclassification.Thenetdensityoftheprojectis5.3dwellingunitspernetacre(17/3.2netacres=5.3du/acre)andthe17lotswouldrangeinsizefrom7,000squarefeetto9,531squarefeetwithanaveragelotsizeof7,470squarefeet(Exhibit2).TheproposedaccesstoeachlotwouldbefromeitherN40thSt,ParkAveN,RoadA,orRoadBwhichterminatesinahammerheadturnaround.ERCREPORT16-000165 CityofRentonDepartmentofCommunity&EconomicDevelopmentEnvironmentalReviewCommitteeReportSENZALAKEVIEWPRELIMINARYPLATLUA16-000165,ECF,PP,SMReportofMay2,2016Page3of10Thepropertiesmostrecentlyhadthree(3)singlefamilyhomes.Theexistinghomeshavebeenorareinvariousstagesofbeingdemolishedunderthree(3)separatedemolitionpermitsissuedFebruary2016.Accesstothesitewouldbeprovidedviaanewroad,nearthecenterofthesite,whichwouldextendfromN40thSttothesouthpropertyline(RoadA)andtheconstructionofasecondnewroad(RoadB)runningwestofRoadAandendinahammerheadturnaround.NearthesouthendofRoadA,theroaddeadendsneartherearyardof3901ParkAveN,approximately317southofN40thSt.Theapplicantisproposinga47-footwidemodifiedlimitedresidentialaccessroadforroadsAandB.TheendofRoadBincludesa20-footwidehammerheadturnaround.FromcenterlineofRoadAtothecenterlineofthehammerhead,RoadBmeasuresapproximately160inlength.ThedeadendstreetwouldbedesignedpursuanttoRMC4-6-06HDeadEndStreetsorgrantedaroadmodificationfromtheRentonMunicipalCodebytheRentonHearingExaminer.TheproposedsubdivisionwouldincludefrontageimprovementsonLakeWashingtonBlvdN,N40thSt,andParkAveNtowidenandaddconcreteverticalcurb,gutter,sidewalk,andplanterstrip.Aright-of-way(ROW)dedicationandhalf-streetfrontageimprovementsofLakeWashingtonBlvdN(aCollectorArterialRoad)andN40thSt(aCollectorArterialRoad).Theapplicantisproposing7feetofdedicationalongParkAveN.TheimprovementsandROWdedicationwouldaddupto27,507squarefeet.Theremaining3.2acreswouldbethedevelopedsitewhichwouldconsistofhomes,driveways,andlandscaping.ThedevelopedsitewouldprovideBasicWaterQualitytreatmentinadditiontoLevel1(i.e.basic)flowcontrolperthe2009KCSWDM’.WaterqualitystormvolumesareproposedtobetreatedwithaContechStormFiltervaultinthenorthwestcornerofthesite.Thepropertyincludes40significanttreescomprisedofamixtureofnativespeciesandplantedornamentalsspecies.Thesitegenerallyslopesfromeasttowestacrossthepropertywithatotalfallofapproximately70feet(Exhibit4).AccordingtotheGeotechnicalStudypreparedbyEarthSolutions,NW(Exhibit11),thenativesoilsencounteredatthetestpitlocationswereconsistentprimarilywiththemakeupofVashontillandpossessalowsusceptibilitytolandslideactivity.Thegeotechnicalstudyfoundthattheproposedresidentialdevelopmentisfeasiblefromageotechnicalstandpoint.PARTTWO:ENVIRONMENTALREVIEWIncompliancewithRCW43.21C.240,thefollowingenvironmental(SEPA)reviewaddressesonlythoseprojectimpactsthatarenotadequatelyaddressedunderexistingdevelopmentstandardsandenvironmentalregulations.A.EnvironmentalThresholdRecommendationBasedonanalysisofprobableimpactsfromtheproposal,staffrecommendsthattheResponsibleOfficiaIs:IssueaDNS-Mwitha14-dayAppealPeriod.B.MitigationMeasures1.ProjectconstructionshallberequiredtocomplywiththerecommendationsincludedintheGeotechnicalEngineeringReport,preparedbyEarthSolutionsNW,LLCdatedSeptember17,2015oranupdatedreportsubmittedatalaterdate.2.TheapplicantshallinstallafishexclusiondeviceattheoutfalltoLakeWashingtoninaccordancewithstandardssetforthintheWDFWdocumentFishProtectionScreenGuidelines‘2009KingCountySurfaceWaterDesignManualandthe2009CityofRentonAmendmentstotheKCSWDM,Chapter1and2.FRCRFPflRTic-nnnic CityofRentonDepartmentofCommunity&EconomicDevelopmentEnvironmentalReviewCommitteeReportSENZALAKEVIEWPRELIMINARYPLATLUA6-000165,ECF,PP.SMReportofMay2,2016Page4of10forWashingtonState(writtenbyBatesandNordlund,2001).AfinaldetailedfishexclusiondevicemustbesubmittedandapprovedbythePlanReviewProjectManagerpriorconstructionpermitissuance.3.IfanyNativeAmericangrave(s)orarchaeological/culturalresources(Indianartifacts)arefound,allconstructionactivityshallstopandtheowner/developershallimmediatelynotifytheCityofRentonplanningdepartment,concernedTribes’culturalcommittees,andtheWashingtonStateDepartmentofArcheologicalandHistoricPreservation.C.ExhibitsExhibit1ERCReportExhibit2SenzaLakeviewPreliminaryPlatPlanExhibit3NeighborhoodDetailMapExhibit4TopographyMapExhibit5PreliminaryLandscapingPlan(Sheets1-5)Exhibit6PreliminaryGradingPlanExhibit7PreliminaryUtilityPlanExhibit8PreliminaryDrainageControlPlanExhibit9PreliminaryRoadProfilesExhibit10PreliminaryRoadSectionsExhibit11GeotechnicalEngineeringStudypreparedbyEarthSolutionsNW,LLC(datedSeptember17,2015)Exhibit12PreliminaryTechnicalInformationReportpreparedbyCPHConsultants(datedFebruary25,2015)Exhibit13TripGenerationandTrafficAssessmentpreparedbyTransportationEngineeringNorthWest(TENW)(datedFebruary18,2016)Exhibit14ArboristReportpreparedbyAmericanForestManagement(AFM)(datedFebruary9,2016)Exhibit15CriticalAreasDeterminationReportpreparedbyWetlandResources,Inc.(datedApril5,2016)Exhibit16ResponsetoWDFWCommentspreparedbyWetlandResources,Inc.(datedApril15,2016)Exhibit17ConstructionMitigationDescriptionExhibit18AdvisoryNotestoApplicantD.EnvironmentalImpactsTheproposalwascirculatedandreviewedbyvariouscitydepartmentsanddivisionstodeterminewhethertheapplicanthasadequatelyidentifiedandaddressedenvironmentalimpactsanticipatedtooccurinconjunctionwiththeproposeddevelopment.Staffreviewershaveidentifiedthattheproposalislikelytohavethefollowingprobableimpacts:1.EarthImpacts:AGeotechnicalEngineeringStudypreparedbyEarthSolutionsNW,LLC(datedSeptember17,2015;Exhibit11)wassubmittedwiththeprojectapplication.Accordingtothesubmittedstudy,theexistingtopographicreliefacrossthesite,anticipatedgradecutsontheorderof10to15feetwouldbenecessarytoachievethevaultfoundationsubgradeelevation.Retainingwallsorrockerieswouldbeincorporatedintothefinaldesigntoaccommodategradetransitions,asFRRPPflRT1cnnnh,c CityofRentonDepartmentofCommunity&EconomicDevelopmentEnvironmentalReviewCommitteeReportSENZALAKEVIEWPRELIMINARYPLATLUA16-000165,ECF,PP,SMReportofMay2,2016Page5of10necessary.ThesitetopographyascendsrelativelygentlyfromLakeWashingtonBlvdNtotheeastwithanestimatedtotalelevationchangetobeontheorderof70feetacrossthesite.Thesteepestslopeidentifiedbytheapplicantwasapproximately40percent.Theapplicantindicatesthattheestimatedquantitiesforstructuralfillonsitewouldbeapproximately6,950cubicyardsofcutand10,600cubicyardsoffillwouldberequiredfortheconstructionofrequiredplatimprovementsandnewsinglefamilyresidences.Temporaryerosionandsedimentationcontrolmeasureswouldbeimplementedduringconstructionincluding,butnotlimitedto,BestManagementPractices(BMPs)suchassitepreparationandgradingduringthedriersummerandearlyfallmonths,installingsiltationcontrolfencingaroundtheworkareas,andestablishingaquarryspallconstructionentrancesinaccordancewithCityofRentonrequirements(Exhibit17).Atotalofnine(9)testpitstoapproximatedepthsofsixtotenfeetbelowexistingsitegradesfTP-ithroughTP-9)wereexcavatedacrosstheprojectsitewithaminitrackhoe.Topsoilwasencounteredwithintheupper4to13inchesofexistinggradesatthetestpit(TP)locationswithanestimatedaveragethicknessofnineinchesacrossthesite.ThefillencounteredinfouroftheTPhaddepthsontheorderoftwo(2)tosix(6)feetbelowtheexistinggroundsurface(bgs).Thefillwascharacterizedprimarilyasloosetomediumdense,siltysandinamoistcondition.Organicanddeleteriousmaterialwasgenerallyabsentwithintheobservedfilldeposits.Underlyingtopsoilandareasoffill,nativesoilsencounteredattheTPlocationsconsistedprimarilyofmediumtodense,siltysandwithgravel(USCS:SM).Densetoverydense,unweathereddepositswereencounteredbetweendepthsofaboutfivetoeightfeetbgsandnativesoilswerefoundinamoistconditiontothemaximumexplorationdepthof10feetbgs.Ingeneral,thestudyindicatesthesiteisunderlainprimarilybyaVashontill“cap,”withVashonrecessionaloutwashlikelyunderlyingthesiteatdepth.Duringthesubsurfaceexplorationtests,groundwaterseepagewasnotencountered.However,thestudyindicatesthatperchedgroundwaterseepagezonesshouldbeanticipatedwithinsiteexcavations,especiallywithindeeperexcavationsforutilitiesandthevault.PertheCityofRenton(COR)Maps,thesitecontainsmoderatelandslidehazardpotential.Accordingtothegeotechnicalengineer,thesitepossessesalowsusceptibilitytolandslideduetothemakeupofthenativesoilsbeingconsistentprimarilywithVashontill.Therelativedensityandconsistencyofthenativesitesoilsatdepth,theabsenceofexcessivesoildisturbancewithinnativedeposits,andtheabsenceofauniformlyestablishedgroundwatertableweretheprimarybasesfortheclassification.Thegeotechnicalreport,statesthattheconstructionwouldnotincreasethethreatofthegeologichazardtoadjacentpropertiesbeyondexistingconditions.Constructionoftheproposedresidentialdevelopmentisfeasiblefromageotechnicalstandpoint.Theproposedresidentialbuildingscanbesupportedonconventionalcontinuousandspreadfootingsbearingoncompetentnativesoils,recompactednativesoils,ornewstructuralfill.Thegeotechnicalengineeranticipatesremedialactivitieswhereexistingfillsand/orhighlyorganicdepositsareencounteredatfoundationsubgradeelevations.Inaddition,competent,densetoverydense,undisturbeddepositswouldbeencounteredwithinexcavationsatdepthforthevaultfoundationsubgradeelevation.Nativesoilsarenotanticipatedtoaccommodatelarge-scaleorfullinfiltrationfacilitydesign;however,nativesoilsareagoodcandidateforlimitedinfiltrationand/orbioretentionapplications.Theprimarygeotechnicalconsiderationssubmittedgeotechnicalreportincludefoundationsupport,slab-on-gradesubgradesupport,thesuitabilityofusingonsitesoilsasstructuralfill,andconstructionofthevault.StaffrecommendsasaSEPAmitigationmeasurethatprojectPRcRFPORTic-nnnhcc CityofRentonDepartmentofCommunity&EconomicDevelopmentEnvironmentalReviewCommitteeReportSENZALAKEVIEWPRELIMINARYPLATLUA6-000165,ECF,PP.SMReportofMay2,2016Page6of10constructionberequiredtocomplywiththerecommendationsfoundintheGeotechnicalEngineeringStudypreparedbyEarthSolutionsNW,LLC(datedSeptember17,2015).MitigationMeasures:ProjectconstructionshallberequiredtocomplywiththerecommendationsfoundintheGeotechnicalEngineeringStudypreparedbyEarthSolutionsNW,LLCdatedSeptember17,2015oranupdatedreportsubmittedatalaterdate.Nexus:StateEnvironmentalPolicyAct(SEPA)EnvironmentalReview;RMC4-4-060Grading,ExcavationandMiningRegulations2.Watera.Wetlands,Streams,LakesImpacts:Publiccommentwasreceivedbystaffthatindicatedthepresenceofawetlandonthesubjectpropertyorimmediatelyadjacenttothesite.ACriticalAreasDeterminationReportwaspreparedbyWetlandResources,Inc.(datedApril5,2016;Exhibit15)toperformawetlanddeterminationwithinandsurroundingthesite.Basedonafieldinvestigationandexistingavailableonlineresources,nowetlandsorstreamswereidentifiedbytheEcologisteitherwithintheboundaryoftheinvestigationareaorwithinthesurrounding200feet.OneobservedareaofconcernwaswithacombinationofreedcanarygrassandHimalayanblackberrywithsporadicwillow,butwasfoundtonotmeetthecriteriaforhydrophyticvegetationandthereforedidnotmeetthedefinitionofwetland.AccordingtotheCityofRentonCORMapstherearenoonsiteorimmediatelyoff-sitewetlands,streamsorbuffetsonthesubjectparcel.SoilpitsexcavatedwerefoundtobefreeofgroundwaterseepageandthenativesoilswereconsistentprimarilywithVashontill,whichischaracterizedtypicallyasacompactdiamictofsilt,sand,andsubroundedtowell-roundedgravel.Ironoxidestainingwasobservedwithintheupper,weathereddepositsatvaryingdepthsbetweentwotofourfeetbgs.Again,nogroundwaterseepagewasencounteredbythegeotechnicalengineerduringsubsurfaceexplorations.MitigationMeasures:Nofurthermitigationrequired.Nexus:Notapplicableb.StormWaterImpacts:TheapplicantsubmittedaPreliminaryTechnicalInformationReport(TIR),preparedbyCPHConsultants(datedFebruary25,2015;Exhibit12).AccordingtotheTIR,theprojectisrequiredtoprovideBasicWaterQualitytreatmentinadditiontoLevel1(i.e.,basic)flowcontrolpercurrentCityofRentonsurfacewaterstandards,includingrecentadoptionofthe2009KingCountySurfaceWaterDesignManualandtheCORAddendumtothatmanual(KCSWDM).WaterqualitystormvolumesareproposedtobetreatedwithaContechStormFiltervaultinthenorthwestcornerofthesite.Aseriesofonsitecatchbasininletsandundergroundpipeswouldcollectandconveysurfacewaterrunoffwesterlywithinproposedroadright-of-wayforthemajorityofthedevelopedsitetotheContechStormFilterforwaterqualitytreatment.ThesitequalifiesfortheDirectDischargeExemptionastheflowpathfromtheprojectsitedischargepointislessthanahalfmiletothe100yearfloodplainofLakeWashington.Allofthestormwaterrunofffromtheimprovedsitewillbecollected,controlled,andreleasedtotheexisting1$”concretepipelocatedattheintersectionofLakeWashingtonBlvdNandN40thSt.Theoutfallisanopen30-inch-diameterductileironpipethatwasconstructedwithriprapattheoutfalllocationtolimitbankerosionin2007aspartoftheBarbeeMillsubdivision.Basedonordinaryhighwatermark(OHWM)delineation,theinvertelevationofthepipeislowerthantheOHWMofLakeWashingtonandisarPDflPT1(Jl)fl1 CityofRentonDepartmentofCommunity&EconomicDevelopmentEnvironmentalReviewCommitteeReportSENZAMKEWEWPRELIMINARYPLATLUA6-000165,ECF,PP,SMReportofMay2,2016Page7of10currentlyfish-passable(Exhibit16).WAC222-66-260regulatesoutfallswhenscouringorbankerosionwouldnegativelyimpactfishhabitat.Therefore,theapplicationwouldberequiredtorelocatetheoutfallabovetheOHWMforLakeWashingtonoroutfittheoutfallwithadevicetoprevententryoffish.Theappropriateexclusiondevicecouldeitherbeascreenattheoutfall,atideflexduckbillvalve,oratidegate.StaffrecommendsasaSEPAmitigationmeasurethatprojectinstallafishexclusiondeviceattheoutfalltoLakeWashingtoninaccordancewithstandardssetforthintheWDFWdocumentFishProtectionScreenGuidelinesforWashingtonState(writtenbyBatesandNordlund,2001).AccordingtotheEcologist,theoutfallcurrentlymeetsthestandardssetforthinWAC222-60-260forbankerosion,sonoadditionalprotectionfrombankerosionisproposed.AccordingtotheTIR,itwasdeterminedthattheexistingstormwatersystemcansafelyandeffectivelyconveytheincreasedrunoffforthe100yearstormeventgeneratedbytheadditionalimperiousareasfromtheprojectsitewithoutovertopping.Asaresult,noflowcontrolfacilitieswereproposedforthisprojectandtherunoffwoulddischargedirectlytoLakeWashington.ThereareexistingstormwatermainslocatedinLakeWashingtonBlvdN,N40thStandParkAveN.EvaluationandinclusionofaBMP’swouldbeaccomplishedatfinalengineering.Thesubmittedgeotechnicalreportidentifiesthesoilsasfill(characterizedasloosetomediumdense),unweathereddeposits(densetoverydense),andnativesoils(mediumtodense)notsupportiveoflarge-scaleorfullinfiltrationfacilitydesign;however,nativesoilsareagoodcandidateforlimitedinfiltrationand/orbioretentionapplications(Exhibit11).MitigationMeasures:TheapplicantshallinstallafishexclusiondeviceattheoutfalltoLakeWashingtoninaccordancewithstandardssetforthintheWDFWdocumentFishProtectionScreenGuidelinesforWashingtonState(writtenbyBatesandNordlund,2001).AfinaldetailedfishexclusiondevicemustbesubmittedandapprovedbythePlanReviewProjectManagerpriorconstructionpermitissuance.Nexus:WAC222-66-260,FishProtectionScreenGuidelinesforWashingtonState,RMC4-3-090ShorelineMasterProgramRegulations,RMC4-3-050CriticalAreasRegulations.3.TreesandVegetationImpacts:Thepropertyiscoveredwithamixtureofdomesticlandscapingandornamentallandscapingsurroundingtheoldhomesites,abandonedpasture/lawnareasconsistingofreedcanarygrassandHimalayanblackberry,andsporadicpatchesofnativevegetationincludingwesternredcedarandwillows.Severallargertreesarelocatedaroundtheformerresidencesatthesouthernportionoftheprojectsite,includingColoradobluespruce,Ponderosapine,apple,Europeanwhitebirch,redwood,andmultipleredalders(Exhibit5).TheArboristReportidentified40significanttreesontheparcelsproposedtobedeveloped(Exhibit14).Five(5)ofthe40treeswereclassifiedaspoorordangerousandnine(9)treeswerelocatedwithintheproposedroadnetwork.Thenetnumberoftreesforthisdevelopmentwasdeterminedtobe26.Theaveragesizeofthetrunkatdiameteratbreastheight(DBH)forthe26viabletreesis15inches(15”)withthelargesttree,aredwoodat56”DBH,locatedsouthoftheproposedhammerheadroad.Theminimumtreeretentionrequirementisthirtypercent(30%)intheR-6zone.Afterstreetandcriticalareadeductions,theapplicantisproposingtoretainfive(5)ofthepotential26healthytreesor5oftherequired8trees.Treesrequiredtoberetained(i.e.,protectedtrees),wouldberequiredtoerectandmaintainasixfoot(6’)highchainlinktemporaryconstructionfencearoundthedriplineofanytree.FRCRFPflRTic-nnflicc CityofRentonDepartmentofCommunity&EconomicDevelopmentEnvironmentalReviewCommitteeReportSENZALAKEVIEWPRELIMINARYPLATLUA16-000165,ECF,PP.SMReportofMay2,2016Page8of10Theapplicantisproposingtoreplantthesubdivisionwith90newtreesincluding19autumnbrillianceserviceberry,27chanticleerfloweringpear,27chancellorlinden,1shorepine,and16excelsawesternredcedar.Theseproposedonsitereplacementtreesexceedtheminimumrequiredreplacementinches,12inches(12”)foreverytreethatwasunabletoberetained,or36inches(12”)forthisproject.WherethereisinsufficientROWspaceornopublicfrontage,streettreesarerequiredinthefrontyard(s).Afinaldetailedlandscapeplanmustbesubmittedandapprovedpriortoissuanceofthestreetandutilityconstructionpermits.TheapplicantisalsoproposingtoretaintheexistinglandscapingwithintheopenspacetractbehindorwestofLots4-6.Nonewlandscapingisproposedoverthestormtractortheopenspacetract.MitigationMeasures:Nofurthermitigationrequired.Nexus:Notapplicable4.HistoricandCulturalPreservationlmpacts:AvillageoftheDuwamishtribewasprobablylocatedinthevicinityofthesite,nearthePanAbodeproperty,whichisupstreamofthecurrentmouthofMayCreek.TheareanearthesubjectsiteiswithintheterritoryoftheDuwamish,aSalish-speakinggrouppredominantintheSeattlearea.TheDuwamishlivedincedarlonghousesinvillageslocatedonmostofthelargerbodiesofwaterinthecentraltosouthernportionoftheSeattlearea(ElliottBay,LakeWashington,LakeUnion,SalmonBay,andontheDuwamish,Green/White,andCedar/BlackRivers.HistoricallytheparcelsmayhavebeeninfluencedbyfluctuationsinlakelevelsovertimeduetoearthquakesandtheloweringofLakeWashingtonapproximatelynine(9)feetfollowingconstructionoftheHiramChittendenLocksandtheopeningoftheLakeWashingtonShipCanalin1916.DevelopmentwithinthevicinityofMayCreekandLakeWashingtonaremorelikelytobesiteswheresignificanthistoricand/orculturalresourceswouldbefound,andthesubjectdevelopmenthasindicatedthatsitegradingwouldbeconducted.Therefore,staffrecommendsamitigationmeasurethatrequirestheapplicantand/ordevelopertostopworkandimmediatelynotifytheCityofRentonplanningdepartment,concernedTribes’culturalcommittees,andtheWashingtonStateDepartmentofArcheologicalandHistoricPreservationifanyNativeAmericangrave(s)orarchaeological/culturalresources(Indianartifacts)arefound.MitigationMeasures:IfanyNativeAmericangrave(s)orarchaeological/culturalresources(Indianartifacts)arefound,allconstructionactivityshallstopandtheowner/developershallimmediatelynotifytheCityofRentonplanningdepartment,concernedTribes’culturalcommittees,andtheWashingtonStateDepartmentofArcheologicalandHistoricPreservation.Nexus:SEPAEnvironmentalRegulations5.TransportationImpacts:PrimaryaccesstothesitewouldbeprovidedviaanewproposedmodifiedlimitedresidentialaccessroadfromonN40thSt,asshowninthepreliminarysiteplan(Exhibit2).Thepreliminaryroadprofilesandroadsections(Exhibits9&10)proposeexistingandproposedgradingandroadimprovementswithinthefourroads(LakeWashingtonBlvdN,N40thSt,ParkAveN,andRoadsA&B).LakeWashingtonBlvdNisclassifiedasaCollectorArterialRoadandtheexistingROWwidthisapproximately60feet.TomeettheCity’scompletestreetstandards,RMC4-6-060hasaminimumROWwidthof83feetforCollectorArterialRoadwith0.5-footwidecurbs,8-footwidelandscapedIC,,rir1c CityofRentonDepartmentofCommunity&EconomicDevelopmentEnvironmentalReviewCommitteeReportSENZALAKEWEWPRELIMINARYPLATLUA6-000165,ECF,PP,SMReportofMay2,2016-Page9oflOplanters,and8-footwidesidewalks.Inordertobuildthisstreetadedicationof11.5feetofROWwouldberequired.Thetransportationsection’splanforthestreetincludesahalf-streetcrosssectionthatincludes36feetpavedwidth,0.5-footwidecurbs,8-footwideplanters,8-footwidesidewalks.Thiscanbeachievedinatotalrightofwaywidthof69feet.Inordertobuildthisstreetsection,approximately4.5feetofROWwouldberequiredtobededicatedtotheCityalongtheprojectsideofLakeWashingtonBlvdN.IfparkingisrequiredforthedevelopmentalongLakeWashingtonBlvdN,additionalROWdedicationwouldberequired.ApprovalofastreetmodificationrequestwouldberequiredtoreducethewidthoftheROWdedicationfrom11.5to4.5feet.Accesstotheexistingbikelane(s)alongLakeWashingtonBlvdNwouldberequiredtobemaintainedthroughoutconstruction.Ifnecessary,adetourrouteshallbeprovided.N40thSt,locatedalongthenorthpropertylines,isclassifiedasaCollectorArterialRoadwithapproximately60feetofROW.TomeettheCity’scompletestreetstandardsforcollectorarterialstreets,theminimumROWwidthwouldbe83feetrequiringROWdedicationofupto11.5feet.TheCityestablishedstreetsectionforN40thSt,whichshallbeinstalledbythedeveloperaspartoftheproposedshortplat,wouldinclude36feetpavedwidth,0.5-footwidecurbs,8-footwideplanters,8-footwidesidewalks.ThiswouldresultinatotalROWwidthof63feet.Tobuildthisstreetsection,1.5feetofadditionalROWdedicationwouldberequiredtobededicatedtotheCity.Inaddition,parkingwouldnotbeallowedwithinthedevelopment(RoadsA&B).On-streetparkingcouldbeprovidedalongthesouthsideofN40thSttoincludeone6footparkinglanewithnoadditionalROWdedicationabovethe1.5feet.ApprovalofastreetmodificationrequestwouldberequiredtoreducethewidthoftheROWdedicationfrom11.5to1.5feet.TheproposeddevelopmentalsofrontsParkAveNalongtheeastpropertylines.ParkAveNisclassifiedasaCollectorArterialRoadwithanexistingROWwidthofapproximately50feet.TomeettheCity’scompletestreetstandardsforcollectorarterialstreets,theminimumROWwidthwouldbe83feetrequiringROWdedicationofupto16.5feet.TheCityestablishedstreetsectionforParkAveN,whichwouldberequiredtobeinstalledbythedeveloperaspartoftheproposedshortplat,wouldincludeapavementwidthof36feet,8footplantingstrips,5footsidewalks,and0.5footcurb.ThiswouldresultinatotalROWwidthof63feet,requiting6.5feetofROWdedication.On-streetparkingcouldbeprovidedalongthedevelopmentsideofParkAveNtoincludeone6footparkinglanewithnoadditionalROWdedicationabovethe6.5feet.ApprovalofastreetmodificationrequestwouldberequiredtoreducethewidthoftheROWdedicationfrom16.5to6.5feet.Twolimitedaccessresidentialroads(RoadAandRoadB)with20feetofpavedroadwaywidthandahammerheadturnaroundattheendofRoadBhavebeenproposedastheprimaryaccessfortheinternallotsofthedevelopment.Theapplicantisproposingacross-sectionthatincludesaROWwidthof47feetwith20feetofpavement,8-footwidelandscapedplanters,5-footwidesidewalks,and0.5-footwidecurbs.Theapplicanthasindicatedthattheproposed17-lotsubdivisionwouldgenerate164netnewtripsperweekday,with11ofthosetripsgeneratedduringtheAMpeakhour(3in,8out)and17duringthePMpeakhour(10in,7out)(Exhibit13).AdequatesightdistancewouldbeprovidedattheintersectionoftheproposednewStreetorwhereRoadAintersectswithN40thSt.ItisnotanticipatedthattheproposedprojectwouldadverselyimpacttheCityofRenton’sstreetsystemsubjecttothepaymentofcode-requiredimpactfeesandtheconstructionofcode-requiredfrontageimprovements(Exhibit18).Thefee,asdeterminedbytheRentonMunicipalCodeatthetimeofbuildingpermitissuanceshallbepayabletotheCity.CnrDnr1,,-r1cflr,iicc CityofRentonDepartment01Community&EconomicDevelopmentEnvironmentalReviewCommitteeReportSENZALAKEVIEWPRELIMINARYPLATLUA16-000165,ECF,PP,SMReportofMay2,2016Page10of10AconcurrencyrecommendationwillbeprovidedinthestaffreporttoHearingExaminerbaseduponthetestofthecitywideTransportationPlan,considerationofgrowthlevelsincludedintheLOS-testedTransportationPlan,paymentofaTransportationMitigationFee,andanapplicationofsitespecificmitigation.ThedevelopmentwillhavetomeettheCityofRentonconcurrencyrequirements.MitigationMeasures:Nofurthermitigationrequired.Nexus:Notapplicable6.Fire&PoliceImpacts:PoliceandFirePreventionstaffindicatedthatsufficientresourcesexisttofurnishservicestotheproposeddevelopmentsubjecttotheconstructionofcode-requiredimprovementsandthepaymentofcode-requiredimpactfees(Exhibit18).MitigationMeasures:Nofurthermitigationrequired.Nexus:NotapplicableE.CommentsofReviewingDepartmentsTheproposalhasbeencirculatedtoCityDepartmentandDivisionReviewers.Whereapplicable,theircommentshavebeenincorporatedintothetextofthisreportand/orlistedunderExhibit18“AdvisoryNotestoApplicant.”v”CopiesofallReviewCommentsarecontainedintheOfficialFileandmaybeattachedtothisreport.TheEnvironmentalDeterminationdecisionwillbecomefinalifthedecisionisnotappealedwithinthe14-dayappealperiod(RCW43.21.C.075(3);WAC197-11-680).EnvironmentalDeterminationAppealProcess:Appealsoftheenvironmentaldeterminationmustbefiledinwritingtogetherwiththerequiredfeeto:HearingExaminer,CityofRenton,1055SouthGradyWay,Renton,WA98057,onorbefore5:00p.m.onMay20,2016.RMC4-8-110governsappealstotheHearingExaminerandadditionalinformationregardingtheappealprocessmaybeobtainedfromtheCityClerk’sOffice,RentonCityHall7thFloor,(425)430-6510. CITYOFRENTONDEPARTMENTOFCOMMUNITYANDECONOMICDEVELOPMENTREPORTTOTHEENVIRONMENTALREVIEWCOMMITTEEEXHIBITSProjectName:ProjectNumber:SenzaLakeviewPreliminaryPlatLUA16-000165,ECF,PP,SMDateofMeetingStaffContactProjectContact/ApplicantProjectLocationMay2,2016ClarkH.CloseJamieSchroeder,PE,3907ParkAveN,SeniorPlannerCPHConsultants,11431RentonWA98056WillowsRdNE,Suite120,Redmond,_WA_98052Exhibits:Exhibit1ERCReportExhibit2SenzaLakeviewPreliminaryPlatPlanExhibit3NeighborhoodDetailMapExhibit4TopographyMapExhibitSPreliminaryLandscapingPlan(Sheets1-5)Exhibit6PreliminaryGradingPlanExhibit7PreliminaryUtilityPlanExhibit$PreliminaryDrainageControlPlanExhibit9PreliminaryRoadProfilesExhibit10PreliminaryRoadSectionsExhibit11GeotechnicalEngineeringStudypreparedbyEarthSolutionsNW,LLC(datedSeptember17,2015)Exhibit12PreliminaryTechnicalInformationReportpreparedbyCPHConsultants(datedFebruary25,2015)Exhibit13TripGenerationandTrafficAssessmentpreparedbyTransportationEngineeringNorthWest(TENW)(datedFebruary18,2016)Exhibit14ArboristReportpreparedbyAmericanForestManagement(AFM)(datedFebruary9,2016)Exhibit15CriticalAreasDeterminationReportpreparedbyWetlandResources,Inc.(datedApril5,2016)Exhibit16ResponsetoWDFWCommentspreparedbyWetlandResources,Inc.(datedApril15,2016)Exhibit17ConstructionMitigationDescriptionExhibit18AdvisoryNotestoApplicant SURVEY DATA OAThP4/BASIS OF BBS RINGS HALL *02404,3 40 NCN45 1’4855 LAST 9(01400 OIlY 00 1001544 NOlf000tAl.Cr440101 POINT 0060005 022.74,047DM,1147 5781’PER CITY TI 100740 CITY Of 0(0100;U041410l4T 140.8(6,45 P00420W 1141311 OF 0001011 504101 (051640 007414100 0124140200 04.02 REFERENCES CC HILLUAN’2 01,0 405157,C7-SN 500000 3T C-DOT..600/ION To SEATTLE 81 2,10(202100 to ICE ALA?0100(01 02 IL N 40004301 1 014 PEAlS,6106 0*,“4 KISS 000071.WSSH100ttN. Si’010002,514401 04.11 LUA-’4C-’1t1 1(0541000 110431(0 9’11l11501 CITY OF 000’12,LOT LINE 1000071107 Lo1”;10’153L08 1100(405005 1544010 250010402954012 SURVEYORS NARRATIVE 101 87 10240Cr,0500(00 3J42123415 ‘4040 3,542720422,0441’4 65500 0111140 IO2’1114117 Off 0105 CCoIITY 46020530050004 14425!050,56 105 902 55401 400040007(1 6 010 tEAl?TESCCIPOOIO PER PROJECT DATA GENERAL 6104(401 00. 4200155 SITE DEVELOPMENT P4040200 I Of 5005. PEOIPTTff STE 2001’!?’ 425464000 101 IMPEl 10115 3004. 400 0075120 M4X.LET 0420 ROW 000104100 040658u1( SETBACKS 10501 5401 (47 STREET). 8505160 001041. UAX.8HItOfIO 02,00642 641 (REfINE 0010,1’ SER VICE PROVIDERS 441,00 AOL’53117500 50404 P0174/ELECTRIC TEEEPT42E 04*40,40 760001 551000 0408300 DRA WING INDEX SHEET DWG.DESCRIPTION I00 412540121 2 PlO?1400501400204 107101 MM’ .3 P200 P000140001 0021002 PEER 4 .350 10011440301 04100400 00016,8,P130 5 POLK 401540016001,0,114049 I P8,CIIP4010I0400 4031 50(0101 7 PiCA)1000*0401823088001165 EXHIBIT 2 PTN.OF SW i1’4 OF NW i,’4 OFSEC.32,ThVP 24 N.R5E W.M, SENZA LAKEVIEW CITY OF RENTON KING COUNTY,WASHINGTON 202055 0.50180001,50’/S A 0.05...155 504130 AND 0C’405001 POOLS 50150015414 .4715 020202!’585000,15!.01145 001 ‘.2.005001 00051 00 (PH 1100551 0T5T 1,1 lLLt00002 SUC40Y LEGAL DESCRIPTION 02 2.IS OCR 41140 0,500502 :0 1400470 II 001 00475 0,000 0,1,6005005 CC 1005 (00*704001150, 44500 03402012407’0(510040 45 FCEEOMO. 80000445 *17000101040,5 CEASL’Of 5104,74415.01002ND (4570401 4,402 14(80070 LINE Cf SAL TRACT 2*:’fY00 10%0540?, 1 0 18 40514.440 4400 40 0017000 40140141 CR700 503,01 “14 .1.12 Ff115 70 TOE 5055414’540000 Of 5381 70127, 107050 004000011,.SIS OIL 1457 ,‘SE 7,5 ‘00 0507 Of 00005042. 0505017 850 406/1051107 FOR 0240 6.41452 2!,,071 10471005 0104 20 FOOl 17018 Of .160 AS 005,CATED ‘0 (45054041 0000450!INTER 00004500 00 0403405. 5056400 0 SC 0071 000005271,CCONTY SF 8455 51400 Sf WASTAIGSIO, 0.40000 3542705427 10405,5 47 AOl 84,CD ‘15144455 TOE 84S0557S0 2.70500 20 0005 870.054 ro 504T71C,00 2. ICCC’001l0514 101 It,?!THE’ACOF 400500(2 4;4*1085 740400475 414206 If 40 6000 006140 40505015 *7 741 015054I’51 Cr10000 01 5441 TISCI 04,4,050140 1,0017 (1517017 .4.1,50 140,43854 0141 Cf S4,S 70211 :47 1(117 12 3 02100 05E7;5000Tl,SS’100070514’AODP%04511 TOTPEEASTO8IC!ps4,DT840TIS7000rTOIPIONIOO 151511 10171301 001 044 503510 1051 332’o05 70 101 5505,805!CS0000 Of 5400 76411. 7000000 0061710257ff,’11500 roE 000104057 101 00 5400 56401 74 710 fOIST 40 84000*01, 5170470,5 01(000007100610,SrI If Of WA50517271 70(11151 289000507 7840787 CD.45108465 0460 645%LE050 044200 10’11044 2006005 10 5030111’02 5 85 4106 41.4140400010 84 410581.01.6’P1405 94-0 04.01(70(5 0’0402 11*44040 07047005 5110 CITY Cf ff0130 080151740!’6100,STA(C OP 8150011740 NE 1057 SlIP 00 LOT 47 LI 63341305 1410 *454.55 740 540020 01 (DEll 42015100 03 2,AS PER ‘LIT YEC204CS 1 111560 57 Cl 40415,7100 64,10(5805 00 01,0 (1545172501700: S17117F IN 011 CI!!’17 065145,(0451166 8110,514 10 OF W4S1l47lS12l4. I —10 ,,,, ,,,yPROJECT SITE .. 50 03901514040 44 N361407001) VICINIWMAP I SCHEDULE B SPECIAL EXCEPTIONS 15CA0”E17047051 4044553500 IN OlE ROE 8040415 55(0 4500(000 10050 11005 ElI #040 001 0,55.0 01,161 00010 !00001’51,2’;17,2035C470075 502*8 1006 1071 504171505781 410 0)50003;1,700 0-400451 5021452 044751 01110 0(A0o001 25,2210,45 8.30 4,44 2 7105417080675 515141170 1l,f0457 75 574465 0(005700 140570117,7,0 12506 455 MA7’CST1190A4TIET 500 C4506051 129 85-Cf 4015 CR45712 0416 A0i41201 1027081001 3 1105 002”ERTY 50154057 IC 62,E,;4!;l 12 5.0400 5 100 COST IF !,00iAtt106,U1!011,04;5, 04 031400 06 0f’04Ei50 01110131 02508101704 6055 WIll 54114101 5,54 20041540? 41.400071 0!‘05701*057 6(000101)010214 001105150 XE 0503401 (4014700) 4,0541.0055840 155’;TOO 045001315 57-1114 008 1172 7’0450,04C07 My RAINiER 5400 ,050041110 C’40P401 44 545 P638087’5064005 50 E4SCMEOI 400 OlE 06475 406 040117005 140(00200(1*42/42 W4!08 CR0 708 005701800T ,0;S0%1450 CORNIP 0120001555547600 1033627 (1107115) ‘5 1145 600940617 2151411 102400*1185400 700 709145402 C00010405 70(804’0111400050 1008155 (39(15 .150 0510705 PER 10570051(711 284566 04745 002511 000002105 00478(6 5453407 11205 SISCOII’720 155 0*51444075 5113,10 148 4071 1217u111101 8!670 507,151;0144 C”,’OPOOt 002(0 50.0416.70120 01104 FE610IRE 25 ILlS,47 0:30 4.47. 3 01,3 !O,30CRY!,s,53507 11 55151141 IC 1500041007 714 170115 20!105011005 7400000 (04 I5SSOSU005 40066 4102 C00011 0(000050 1109404 1412’lSLK’II .0511 SF004101o7;10,1 0524155 511’AN 1(4 4114 10*80751014!(11 415 54110141 0410’2400401 CR000 00.00047402 04500 4045 8.2057.47 8 35 4.41. LINE PEA 615 i654#5F 00006 1102 1001411 01(3601145 50680%533,1327 (40410(0,1 4 105 P6L9081151J0,j51 70 £45080117 400 711C 11005 100 0400070805 1516000 540*1250 084244.4701 41117415708 ,55iWoM1s1 os50loso 1,501471 0(1385015 504440’I 5363495 5 005 P41000077 S2P,TCO 70 410240401 11110 4014010141 THE 104115 4112 110557,055 7006002 PER WSINOI1001 55009 1:00 C04OITF 0(2000,00 (10040(4 109011514718 100005 1000 sr,oCluotS 00 00 801(36(0 — 3332204410.3342060420 3J42700425,33401010415 540(41110016(5207010 CIt 00409005 3.03 41 (702.833 00) 55* 40000 00 3100 00 089*00 5’tO’POTAC) 25’ CITY Of’010710 POSEr 504114 05(761 P06(15004)00(640 1092450 00010610406 0390457 03112410646 1100000 p403 WAS IC 14041244(00 PROJECT TEAM APPLICANT ICAPLAMENIEW toe COIITACT:N*1940A4801E05 SURVEY OR A0I550R806&MAP084 CONTACT,OTIPHEN H P*WPSIR 75147 XC 9116 571001 4065154’,WA 04752 572!.C (425)322’57057 fAX (421)823’6’O5 CIVIL ENGINEER CPNCON560TANTO 2817101;I0MIESCHMO€DER.PE TRAFFIC ENGINEER TRANSPO80&9010IIINEERS041TIIWEST 20811401;83052HR9MU,P6 (4,0)35 474 1717117,51’l00 0155 (I;CC,20.44 05004 4044 *40.(425)251’SSPT GEOTECHNICAL ENG(NEER WC850UO1005,B.C CONTACT;406600.806611404,ER 1855 (35414 Fl.01,50,00 tO 011111,050.Al 55325 CPH0l CONSULTANTS N :8’;,1’ PRELIMiNARY PLAT I 01 I (50(40 ‘4/00’11001404 8000043.(17 10002(0 5,0 1*8184,1 3035 11(4404 10471 51 01010 517 8(1406610,WA 90*46 410540 14231 278.6034 1804018404.1154 165 514410141 UA11 I 57088(0 44 P%lCt%’5 30.615 I 71241 #0 6304 51000100011402,WA 98502 L_..‘101(4411:(425)823’14260 C4o (42:.)043’6250 II 001441 IOIOOIIIII.ITSstl.00 30000(0 039.15501 ..)... EXHIBIT 3 PTN.OF SWI,’4 Of NWI/4 OFSEC.32.P4’P24 N,R5E WM. SENZA LAKEVIEW CITY OF RENTON KING COUNTY,WASHINGTON ri-fl-Ti-i H J -.•-1 1 •-t-•--. ri Trfl N6 TH STREET rø’F %9s3.a;;j:,i I //.‘ i:-q /71L 8,/..I •,1 - 7/ fl_v ;ouA /1,/ /I ,./ 5.15525 S‘‘:1.5’ /4-ç0/ I I I//J /0oc0 / /I /// — a IS u/i SW 1/4,NW 1/4,SEC.32,TWP.24N.,aGE.SE.,W.M. Gin’OF KENTON,KING COUNTY,WASHINGTON ________________ TPN 3342700415,3342700420,‘r _____ EXHIBIT 4 BOUNDARY I TOPOGRAPHIC SURVEY ___1 I’=30’ // 4. 4 4. F 87 I 2 - /- /I / nez 0 c—o a 0 It 0 S I I ___ Thfl ___ In - +4 tUtI—2.IHtmxI-IwI-I-ILiiS.pp9SENZALAKEVIEWSUBDIVISIONTREEREPLACEMENTPLAN,10PLANTINGAREASTREETFRONTAGEANDROWPLANTINGPLAN1129N40thStRENTON,WA C00HmCoHO3z-uHz0CoH-u-DzH®®®cIt®G®a)®®®®®flIVii)®OcOCo-DrzHCI)0ImCCrmElHISENZALAKEVIEWSUBDIVISIONTREEREPLACEMENTPLAN,10PLANTINGAREASTREETFRONTAGEANDROWPLANTINGPLANll29N4OthStRENTON,WA!rIIIIII Ej[JVMNO1N3S0VN6115,NV1dDNIINV1dMOGNV3DVINOèIdU31SjIVeiVDNIINV1U01‘NV1d1NJ33V1d3è]]i!s°NOISIAIGSflSM31A3>iVlVZN3S00I.0wI—uj<ujz-JulwzwoU-JDDU0U)Fza-III SENZALAKEVIEWSUBDIVISIONTYPICALLOTPLANTINGPLANo01129N40thStRENTON,WA CONSTRUCTION NOTES: CONTRACTOR SI-IALLCOUPLETELY WiTH THE PROJECT AS wELIAS ALL UNDERGROUND UTILITiES PRIOR TO CONSTRUCTION AL,BEDS TO BE WEED AND DEBRIS FREE PRIOR TO SOIL PREPARATION.ALL SABLIM BEDSTOBE I BELOW FINISHED GRADE TO ALLOW FORIOPSOIL AND MULCH NOTEY OWNER F EXISTING SOIL CONDITIONS WILL PROVE DETEAJENTRLTO PLAINT HEALTH. EACN AFTER SOB,PREP,SECT AS EXCESSIVECLAY SOIL RAROPAII SOIL.POOR DRAINAGE.OP ADD AS OF SOI5O CEDAR GROVE COMPOST SAND MIX TO PLANTING BEDS ANGTTLL MOOr OR EXISTING GOt,ADD E5 MORE INCHES SF COMPORT SAND MIX DSDTLL INTO WOE SOIL COMPACT TO BOS TO PHERENTSE1TUNG, AT INDIVIDUALLY PLANTED TREES OUTSIDE OF CONTIGUOUS PLANTING AREAS,STARE FLANGING LOCATION FOR APPROTAL PRIOR TO CONSTRUCTION,CLEAR MID PREPARE RN AHEA7W IN DIAMETER PER SOILNOXES ABODE. PLANT TREES PER DETAIL Ml THIS SHEET PLANT SHREDS PER DETAIL #2.MLILCR PLANTING ODDS AND IN 7W DIAMETER AREA AROUND EACH INDIVIDUAL TBEE,KEEPING BELCH W FROM TRUNK GE TREE. MULCH TO BE FREE OF GARBAGE AND WEEDS AND RAY NOT CONTAIN EXCESSIVE RESIN, TANNIN,ON STHER MATERIAL DETRIMENTAL TO PLANT GROWTH GENTLY LOOSEN ROOTS OF CONTAINER STOCK THAT IS ROOTBOAND PRIOR TO PLANTING FERTILIZE WITH RESTPAKS FERTILIZER,AVAIL HORIZON 426.B2B.4554 ONE PACKET PERT SALLON,2 PER 2 GAL A PERT o.tAPER TREE EVENLY SPACE PACKS AAIOR4D ROOOJAIL RB”FROM SOIL SURFACE ALL PLANTS SHALL CONFORM TO AMERICAN STANDARD FOR NURSERY STOCK,ANLA PROVIDE ONE HEAR WARRANTY STARTING FROM DATE OR FINALACCEFTANCE COORDINATE ALL WORK WITH GENERAL CONIRVCTDR PLANT OROUNDCOUERS A MINIMUM EF FROM CONCRETE OR ASPHALTSURFACES OR PLASTIC ROOT BARRIER OETWEEN TREE AND PIPE OR PAVED SURFACE CENTER B’SECTION ON TREE TRDNK,SETTOP DV BARR URUT TOP OF SOIL SURFACE.BELOW MUtER LEVEL SET SHEETING OR SIUENR PROOIJCT,AUVILANLE FRARKJ MARTIN COMPANY 206523-AMMO PLANTINGS WILL REOUIRE SUPPLEMENTAL WATER THROUGH AT LEAGTTHEIR FIRST GRDWVMG SEASON 1”RACE SOFT RUBBER CHAIN LOCRTREETIE WRAP AROESID EACH StAKE ANDTHEE —PROVIDE t CLEARANCE BETWEEN CHAIN LOCETREETIE AND THEE TRIUNE P DEL WOOD STAKES,STAKE NEXT TO ROOTBALL o _‘‘LAYER OR MULCH PER SPECIFIDATIONS 12 FORM X WATERING RING AROUND TREE,POUTSIDE QFTREE STAKED EXISTING SOW.iT SLOPE AT SIDES OR PLANT PIT BACOFAL PER PLANT NOTES‘-‘---.SOIL BENEUTHTREE TO BE EXISTING SOIL OR COMPACT SO4LTO H—THEE FETO RE THREE TIMES THE DIAMETER OF ROOTBALL SET STAKES PARALLELTO AOJACERMT STREET 1W GREATERTRAN ROOtBALL SET THEE i ABOVE GRADE AN GROWN IN NURSERY FIRM BACKFiLL IN PLACE AND WATER IN WELL TREE PLANTING DETAIL N.T.S. SECTION FOWl W WATER BASIN ORPLANT I -EXISTING SOIL DEEPLY SCARIFY AT SIDES OF BACKFI WITH AMENDED NATIVE Doll. I AND FERTILIZER PER SPECIFICATIONS I DEE AT lIP HIGHER THAN GROWN RI NURSERYIPLANTINGHOLE A’FiRM BACKELL IN PLACE AND WATER IN WELL TOBU 12WIDER THAN ROOTBALL FOR SHRUBS AND W WIDER THAN ROOTBALL FOR GROIJN000VERS DEPTH TORE SAME AS ROOTSALL OR 12 WElCH EVER IS GREATER SHRUB and GROUNDCOVDER PLANTING DETML z 0 U) > 0 toll) w o—z>< W U) Ml; r-—zo W Cio 1OC L1.05 4 -PREliMINARY GRADING PLAN (981W 82508-A RORCERS SCAR LAKEWW LLC )RrUORIt 3535 FACTORA 9110.90 StOIC 500 910LE5691 WA 98006 P14198-(425)279-9030 ______________________________________ )9600r85995906 ASS SJRIEY 0 MAPPING 15241 4919019 SlICEr RU094&40,WA 98002 744198-(425)823.5700 PAl (425)823-6700 709(9 49001150 S#CETP3.OO AS NOTES 13945001 37 PIN.OF SWI,’4 Of NWI/4 OF SEC.32,TWP24 N R5E WM. SENZA LAKEVIEW CITh’OF RENTON KING COUNTY,WASHINGTON LEGEND l9070E SEVAIISA 2508-0(1 00 8270.194911 LEEEJ A98HALT •C19SCREIE SIDEWALK 79070501 C194TSJR .APPROX.EARTHWORK QUANTITIES £301940011 OUANflIES MERE ESSUAIED USING A 8-S SCEIWARE ThE F0.LOWAIG VALUES ARE APPROXR4AIE £314 EUO.UOVAC ESROAIES 0.8-V VAULT P19395A500, 050 PASSJ0.41 908-IIRE19 OW 6.930 Cl CDI)70,600 CV 001)0650 Cl (FIlL) 1)90 VALUES ARE 4401 FOR CUNSIRUCflCDI 90 CPH E I 70)I 80 I L1 I EXHIBIT 6 T.AN RALAL PREHE HEOLCAIS VALPE Wa HE HEOIRRED DOROSTREAM HE EACH WATER AND METER SNAIL HE (((STATLER FOR EACH 5 THE E05090 Rf WATER METERS (3 TOTAL) STALL HE COT AND CAPPED AT THE MAW OTt S TWWR/BARBARA 600625 AIM LILERD6 EEC9RR3535FACTORTAHERD.HE TORTE 500 NDIERL WA 98006 THRTRE (425)276-9030 TR9W9T9TW96 AND TOWHEE &MAmAS STETHWTA H PT6LOPS St flS T524T HE BOTH STREET 626000,WA 96002 THTTRT&(425)623-5700 FART (425)823-6700 SWWUP5.66 AN NOTED 139-10-001 5s7 EXHIBIT 7 LEGEND S 95 PTN.OF SW1/4 OFNkVI/4 OF SEC.32.PliP24 N,R5E WM. SENZA LAKEVIEW CITY OF RENTON KING COUNTY,WASHINGTON -H 4,CbS EETT N 40TH STREET r 2’ET HTTEH T -:2SF T2’0 --// //_4 —!r /E /----Jr 0 LL-o.. --//1!//‘- --I’//57 (J//AL T I -—--,o-n I////P ‘/ —i I -I ‘ F I/tv4/-//7 Jr I - T IT t//’/K’-7 7O 19496 9 T’ /F”lTI j’-ti 33 /.H4li$/fr ///1___ef__/,p I 36 I\‘/7 //1 6/.I ‘/f -I 1/V ‘/3 /1 A --,-‘R I -/ Ø\,’Ri ZE0TR096 IT —II /////// I —_oW.1J I I7/i ;/Th ITO I////‘t j T -I,.--aw , r)))i/ ---I /-‘K T fl/I T TT -k TL//I 4 -----T E0W TO COST - IT-/TERt- N-j33427004(0 33427004(2 33427004(4 3342 7004(8 -T4,o;Q/Qc T/* CPH NO IRS CONSULTANTS STANDARD PRECAST 00662 MARTTTOE STE RETIED 56262 W/GEAAOJT WATER 9519(2 (PTPE) PAP H62ANT (PR) 4 PREUM(NARY UTILITY PLAN SE A;(To LEGEND (3)IWO 2 57069 ORAINATO CAIISI 8456 •STA479AJ98 P0001ST 701169 MAM05E SOC TOilER 7090170 W/OIAOERJT -VA707098070 (PRO) •600 97503041(61) ROOC DRAWl PIPE 00570 PRELIMINARY DRAINAGE CONTROL 40160001 3535 FACTO6IA DOW).OC 5471 500 8WE8JE,WA 90006 P90500 (425)278-9030 ASS 35104EV k MAPPING 75247 009019 SIOROTREDM000),WA 98052 P01000 (425)823-5700 1470 (425)023-6798 10657P4OO AS NOTED 139-1N-OO1 4 7 N /PTN.OF SW 1/4 OF NW 1/4 OF SEC.32,nI/P 24 N,R5E WM. /N SENZALAKEVIEW CITY OF RENTON KING COUNTY,WASHINGTON N CPH :: CONSULTANTS _________ L9800’7401( I I 7 I I I I I EXHIBIT 8 I I I I I I PTN.OF SW 1/4 OF NW 1/4 OF SEC.32.PA/P 24 N,R5E W.M. SENZA LAKEVIEW CITY OF RENTON KING COUNTY,WASHINGTON PRELIMINARY ROAD PROFILES EXHIBIT 9 P80659.58 - AD:6.25 5000 70 70 ROAD A 5 70 65 ROAD B 90 tOW 71 510:.50+21.78 90 78 STk 20+8203 l00X ROAD C CPL1I CONSULTANTS 905 0510 90165046 CI:3535 FOC52WA 9082 70,50070 570 £0 1+514 4652687096500061016 70 +15 165460 (425)278-9030 57079631 46 PI4UJPS 68,705 5241 NC 9019 5190630690604670 64 99052 700560 (425)823-57000450 (425)823-6760 790680165.9682077.00 AS NOtED 139-15-001 ....L.+16..L_ 0>-LU000p0>z0I0z=LUz0zçK0‘-IIII-I=xLUI=I0zU>0Uc)z0Uz FullDocumentPREPAREDFORICAPEQUITY,LLCSeptember17,2015KevenD.Hoffmann,E.IJ.ProjectEngineerPrincipalAvailableuponRequestGEOTECHNICALENGINEERINGSTUDYPROPOSEDRESIDENTIALDEVELOPMENT3908&3916LAKEWASHINGTONBOULEVARDNORTH&3907PARKAVENUENORTHRENTON,WASHINGTONES-4088EarthSolutionsNW,LLC1805—136thPlaceNortheast,Suite201Bellevue,Washington98005Phone:425-449-4704Fax:425-449-4711TollFree:866-336-8710RaymondA.Coglas,PE.EXHIBIT11 FullDocumentCPHCONSULTANTS11431WciowsROADNE,SuITE120REDMOND,WA98052Pf425)285-2390Irt(425)285-2389www.cr3hcon5ultants.comAvailableuponRequestSENZALAKEVIEWRENTON,WASHINGTONPRELIMINARYTECHNICALINFORMATIONREPORTFebruary25,2016PreparedFortiCapLakeview,LLC3535FactoriaBlvdSE,Suite500Bellevue,WA98006PreparedBy:CPHConsultantsJomieB.Schroeder,PEBryceBessetie,EITCPHProjectNo.0139-15-001EXHIBIT12CivilEngineeringProjectManagementSitePlanningLandDevelopmentConsulting TENWTransportationEngineeringNorthWestMEMORANDUMFullDocumentAvailableuponRequestDATE:February18,2016TO:ClarkCloseCityofRentonFROM:JeffSchrammTENWSUBJECT:TripGenerationandTrafficAssessmentfortheproposedKennydaleResidentialTENWProject#5119Thismemorandumdocumentsthetrafficassessmentconductedfortheproposed17-unitKennydaleResidentialprojectincludingaprojectdescription,tripgenerationestimate,projecttripdistribution,andimpactfeecalculation.ProjectDescriptionTheproposedKennydaleresidentialprojectsiteislocatedeastoftakeWashingtonBoulevardN,westofParkAvenueN,andsouthofNE40thStreetinRentonasshownintheAttachmentAsitevicinity.Theprojectproposes17single-familydetacheddwellingunitsonasitethatiscurrentlyoccupiedbythreesingle-familyhomes,allofwhichwouldberemoved.VehicularaccesstothesitewouldbeprovidedviaanewproposedresidentialtoadonNE4QthStreet.Fullprojectbuildoutisexpectedin2017.ApreliminarysiteplanisprovidedinAttachmentB.TripGenerationThetripgenerationestimatefortheproposedKennydaleResidentialprojectwasbasedontripratesandequationspublishedintheInstituteofTransportationEngineers(ITE)TrioGeneiafionManual,9theditionforLandUseCode(LUC)210(Single-FamilyDetachedHousing).Theweekdaydaily,AMandPMpeakhourtripgenerationestimatesassociatedwiththeproposedprojectaresummarizedinTable1.Table1TripGenerationSummaryKennydaleResidentialNetNewTripsGeneratedTimePeriodInOutTotcWeekdayDaily8282164WeekdayAMPeakHour3811WeekdayPMPeakHour10717lions889-6747ircrnsporl11400SE8IhSEXHIBIT13 FullDocumentAvailableuponRequest11415NE128StSuite110KirklandWA98034•(425)8203420•FAX(425)8203437www.arnerica;rforetrnanagernent.cornAFMAmericanforestManagementAREORISTREPORTITREEPLANFORKENNYDALEPROJECTPARCELS3342700415,--420,--425,--427RENTON,WAFebruary9,2016w1EXHIBIT14 FullDocumentVfrg’t/aMdoNre/#cIfDelineation/Mitigation/RestorationIHabitatCreation/PermitAssistanceApril5,2016CITYOFRENTONRECER/EDAPR152016AvailableuponRequest950519thAvenueSE.Suite106Everett,Washington98208(425)337-3174Fax(425)337-3045iCapEquity,LLCAtm:BarbaraRodgers10900NE8thSt,#1000Bellevue,WA98004DEVELOPMENTSERVICESRE:CriticalAreasDeterminationReportforKingCountyparcels3342700415,420,425,427INTRODUCTIONiCapEquity,LLCcontractedWetlandResources,Inc.(WRI)toperformawetlanddeterminationwithinandsurroundingtheaforementioned3.83-acreparcels,locatedintheCityofRenton,WA.Thepurposeofthevisitwastoevaluateandlocatejurisdictionalwetlandsandstreamsonandinthevicinityoftheproperty,todocumentthefindingsinabriefletter,andtoaddressoff-sitewetlandconcernsbroughtupduringtheSEPAEnvironmentalReviewpubliccommentperiod.ThesitevisitoccurredonApril,12016.AccessisfromanexistingdrivewayextendingsouthfromN40thSt.ThePublicLandSurveySystem(PLSS)locatorforthesubjectpropertyisSection32,Township24N,Range05E,W.M.Figure1:AerialOverviewoftheSubjectPropertyWetlandResources,Inc.1iCapSenzaApril7,2016WRJ#16072EXHIBIT15 FullDocumentAvailableuponRequestVandRçsoYrce.f/NcDelineation/Mitigation!Restoration/HabitatCreation!PermitAssistance950519thAvenueSE.Suite106Everett,Washington9820$(425)337-3174CtP(OFRENTONFax(425)337-3045RECEI\JEDApril15,2016APR15zo11CAPEquityLLCDEVELOPMENTAttn:BarbaraRodgersSERVICES10900NE8t11Street,#1000Bellevue,WA98004RE:“OnHold”NoticeforSenzaLakeviewPreliminaryPlat,LUA16-000165,ECF,PP,SMIntroductionWetlandResources,Inc.washiredtorespondtoarecentreviewcommentletter(OnHoldNotice,datedApril5th,2016)sentbyCityofRentonPlanningStaff(ClarkClose)toJamieSchroeder(CPHConsultants).The“onhold”letteraskstheapplicanttorespondtoWashingtonDepartmentofFishandWikilifecommentsmadeaspartoftheirreviewoftheSEPAchecklistpreparedforthisproject.WDfWmadetwosubstantivecomments,whichareparaphrasedasfollows:•ConfirmthattheoutfallmeetsWAC222-660-260rulesfortheprotectionoffishlife.•LocatetheoutfallabovetheordinaryhighwatermarkforLakeWashingtonoroutfitwithadevicetoprevententryoffish.BackgroundInformationThestormwaterplanfortheSenzaplattiesinwiththeexistingstormsystemupstreamoftheconfluencewithLakeWashington.FlowsfromtheSenzapropertywillenteranopenchannelontheeastsideofLakeWashingtonBlvdNandtravelnortheasttotheintersectionofN40t1streetandLakeWashingtonBlvdN.ThechannelentersacatchbasinandflowssubsurfacetotheconfluencewithLakeWashington,locatedinthevicinityofTract05185OTR-A.Theoutfallisan30-inch-diameterductileironpipethatwasconstructedin2007aspartoftheBarbeeMillsubdivision,andappearstobepartofthemunicipalstormsystem.FieldInvestigationOnApril12,2016,WetlandResources,Inc.visitedthelocationwheretheexistingoutfallmeetsLakeWashington.Thepurposeofthesitevisitwastodeterminetheordinaryhighwatermark(OHWM)ofLakeWashingtonrelativetotheoutfallpipethatwillconveyflowsfromtheprojectsite.IftheinvertelevationofthepipeislowerthantheelevationoftheOHWM,thenafishexclusiondevicewouldbenecessary.EXHIBIT16 SenzaLakeviewConstructionMitigationDescriptionProposedConstructionDatesGradingandroadconstructionwillstartuponapprovalofconstructionplansfallof2016.HoursofOperationforSingleFamilyConstructionSitePerCityofRenton:Monday—Friday:7am—8pmSaturday:9am—8pmSunday:NoneProposedHauling/TransportationRoutesAllequipmentmaterialsandlaborerswillenterthesiteoffN40thStreet.Adetailedhaulroutewillbeprovidedbythecontractorselectedtoconstructtheimprovements.Itisanticipatedthatthehaulroutewouldbevia1-405toExit7(NE44thStreet)westfromtheofframp.HeadingsouthwestonNE44thStreettheroadwayturnsintoLakeWashingtonBlvd,andthenN40thStreetifafewhundredfeetdowntheroadontheeastsideofLakeWashingtonBlvd.Measurestobeimplementedtominimizedust,trafficandtransportationimpacts,mud,noise,andothernoxiouscharacteristicsDust:Bestmanagementpracticeswi!Ibeusedtominimizedustontheconstructionsite.Watertrucksormeteredfirehoseswillbeusedasneededtowetdowntheareasusedbyconstructionequipment.DisturbedslopeswillbehydroseededpertheErosion/SedimentationControlPlantocontroldust.Traffic:Duringroadandbuildingconstruction,thetrafficenteringandleavingthesitewillconsistofsubcontractorsanddeliveries.Whenarrivingforwork,thesubcontractorswillbetravellingoppositethemajorityoftrafficleavingtheSenzaLakeviewNeighborhood,andmaterialsareprimarilydeliveredatoffpeakhoursduringtheday.Noneoftheseoperationsareanticipatedtohaveasignificantimpactonthepeakornon-peakhourtrafficinthearea.AnyspecialhoursproposedforconstructionorhaulingTherearenospecialhoursproposedforconstructionorhaulingwithoutpriorapprovalfromtheCityofRenton.PreliminaryTrafficControlPlanGeneralaccesstothepropertywillbefromN40thStreet.ItisanticipatedthattheexistingroadwaywillremainopenduringconstructionandaccesstothepropertiesalongN40thStreetwillbemaintained.TrafficControlisanticipatedtoconsistofoccasionalsinglelaneclosuresalongLakeWashingtonBlvd,N40thStreet,andParkAvenueN.Astandardone-lane,two-waytrafficcontrolwithflaggersmaybeusedsimilartoWSDOTPlanTC1.PreliminaryPlotApplicationPage1of1CPHProjectNo.0139-15-007EXHIBIT17 ADVISORYNOTESTOAPPLICANTLUAI6-000165ApplicationDate:Match04,2016Name:SenzaLakeview—Renton0SiteAddress:3916LakeWashingtonBlvdNRenton,WA98056-1581CommunityServicesReviewCommentsContact:LeslieBetlachI425430-6619ILBetlachrentonwa.govRecommendations:1.ParksImpactfeepetOrdinance5670applies.2.AccesstotheexistingBikeLane(s)alongLakeWashingtonBlvd.shallbemaintainedduringconstruction.Ifnecessary,coordinateandsignadetourroute.Restoretooriginal/befterconditionuponcompletion.3.Streettrees:Spacetrees50feetoncenter.Eachstreetshouldcontainadifferenttreespeciesusingtreesthatattainalargematureheight.Spacetreesnocloserthan40feetfromintersectionsandstopsignsand30feetfromstreetlights.FireReview-BuildingCommentsContact:CoreyThomasI425-430-7024Icthomasrentonwa.govRecommendations:EnvironmentalImpactComments:1.Thefireimpactfeesareapplicableattherateof$495.10persinglefamilyunit.Thisfeeispaidattimeofbuildingpermitissuance.Creditwillbegrantedfortheexistinghomestoberetained.CodeRelatedComments:1.Thefireflowrequirementforasinglefamilyhomeis1,000gpmminimumfordwellingsupto3,600squarefeet(includinggarageandbasements).Ifthedwellingexceeds3,600squarefeet,aminimumof1,500gpmfireflowwouldberequired.Aminimumofonefirehydrantisrequiredwithin300feetoftheproposedbuildingsandtwohydrantsifthefireflowgoesupto1,500gpm.Itappearsthereisadequatefireflowinthisarea.ThereisnoexistingwatermaininLakeWashingtonBoulevardNorth.2.Firedepartmentapparatusaccessroadwaysarerequiredtobeaminimumof20feetwidefullypaved,with25feetinsideand45feetoutsideturningradius.Fireaccessroadwaysshallbeconstructedtosupporta30tonvehiclewith322psipointloading.Accessisrequiredwithin150feetofallpointsonthebuildings.Approvedapparatustumaroundsarerequiredfordeadendroadsexceeding150feet.Hammerheadtumaroundsareallowedfordeadendstreetsuoto300feetlong.PlanningReviewCommentsContact:ClarkClose1425-430-7289Iccloserentonwa.govRecommendations:1.RMCsection44030.C.2limitshaulhoursbetween8:30amto3:30pm,MondaythroughFridayunlessotherwiseapprovedbytheDevelopmentServicesDivision.2.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.6.Theapplicantshallerectandmaintainsixfoot(6’)highchainlinktemporaryconstructionfencingaroundthedriplinesofallretainedtrees,oralongtheperimeterofastandofretainedtrees.Placardsshallbeplacedonfencingeveryfiftyfeet(50’)indicatingthewords,“NOTRESPASSING—ProtectedTrees”oroneachsideofthefencingiflessthanfiftyfeet(50’).Siteaccesstoindividuallyprotectedtreesorgroupsoftreesshallbefencedandsigned.Individualtreesshallbefencedonfour(4)sides.Inaddition,theapplicantshallprovidesupervisionwheneverequipmentortrucksaremovingneartrees.7.ThispermitisshallcomplywiththeBaldandGoldenEagleProtectionAct.ThepermittedisresponsibleforadheringtotheU.S.FishandWildlifeServiceNationalBaldEagleManagementGuidelines(2007)andbryourU.S.FishandWildlifeServicepermit.EngineeringReviewCommentsContact:AnnFowlerI425-430-7382Iafowlerrentonwa.govRecommendations:IhavereviewedtheapplicationfortheSenzaLakeviewSubdivisionat3908&3916LakeWashingtonBoulevardNorthand3907ParkAvenueNorth(APN’s3342700415,0425,0420,and0427(vacantland))andhavethefollowingcomments:EXHIBIT18PLAN-PlanningReview-LandUsePolicePlanReviewCommentsContact:CyndieParksI425-430-7521Icparks@rentonwa.govRecommendations:Minimalimpactonpoliceservices.Version1IApril28,2016Ran:April28,2016Pagelof5 ADVISORYNOTESTOAPPLICANT—RentonPLAN-PlanningReview-LandUseVersion1IApril28,2016EngineeringReviewCommentsContact:AnnFowlerI425-430-7382Iafowler@rentonwa.govEXISTINGCONDITIONSWaterWaterserviceisprovidedbytheCityofRenton.SewerWastewaterserviceisprovidedbytheCityofRenton.StormTheexistingpropertiesdonotcontainstormwaterfacilities.TherearestormwatermainslocatedinLakeWashingtonBIvd,N40thStreetandParkAvenueN.CODEREQUIREMENTSWATER1TheproposedwatermainimprovementsasshownonthecompositeutilitiescivilplansubmittedwiththeLandUseApplicationwithinthesiteprovidestherequired8inchwatermainextensionintothedevelopment,connectingtheexisting12inchwatermainlocatedinN40thStreetandtheexisting8inchwatermainlocatedinaneasementalongthesouthpropertyline.StaffComments:i.Theproposalshowswaterservicelinesconnectingtolots3and4asbeingcurvedandinstalledfromthe8inchmainlocatedinRoadB.Waterservicelinesshallnotbeinstalledcurved.ii.Extendthe8inchwatermaintothenorthendofthehammerheadonRoadBandaddan8inchendcapand2inchblowoff.iii.Thewatermainextensionfromthe8inchwatermainfromthesouthpropertylineshallnotbeinstalledalongthecommonlotline.A5footoffsetfromthepropertylineisrequired.2.Installationoffirehydrantswithin300feetofeachlotisrequiredbyRentonFirePreventionDepartment.Thenumberandlocationofnewhydrantswillbedependentuponthefinishedsquarefootageofthehomes.3.Eachlotshallhaveaseparatemeter.Theprojectproposesone1inchwaterservicelineandmetertoeachlot,foratotaloffourteen(14)newdomesticwaterservicelinesandmeters(creditwillbegivenforthe(3)waterservicelinesandmetersservingtheexistingproperties).4.Thedevelopmentissubjecttoapplicablewatersystemdevelopmentchargesandmeterinstallationfeesbasedonthesizeofthewatermeters.a.Watersystemdevelopmentchargesforeachproposed1inchdomesticwaterserviceis$3,245.00permeteror$55,165.00for(17)1inchmeters.b.Aredevelopmentcreditofthewatersystemdevelopmentchargesintheamountof$3,245.00willbeappliedtoeachofthe(3)existing4inchmetersto3908and3916LakeWashingtonBlvdand3907ParkAveNiftheyareabandonedandcappedatthemainline.c.ThetotalwaterSDCfeeis$45,430.00.Thisispayableatconstructionpermitissuance.5.Waterserviceinstallationchargesforeachproposed1inchwaterserviceis$2,850.00permeter.Thetotalwaterserviceinstallationfeeis$48,450.00.Thisispayableatconstructionpermitissuance.6.Dropinmeterfeeis$460.00permeter.Thetotalwaterdropinmeterfeeis$7,820.00.Thisispayableatissuanceofthebuildingpermit.7.Additionalwatersystemdevelopmentchargesandwatermeterchargeswillapplyifalandscapeirrigationmeterisrequiredandisbasedonthesizeofthemeter.SEWER1.Thereisan8inchsanitarysewermaininParkAveN,an8inchmaininN40thStreetanda10inchmaininLakeWashingtonBlvd.Theapplicanthasproposedan8inchextensionfromthesanitarysewermaininN40thStreettoprovidesanitarysewerservicetoeachoftheinternallots.Theprojectproposestoconnectlots3through6totheexisting10inchmaininLakeWashingtonBlvd,lots14through16totheexisting8inchmaininParkAveNandlots17and18totheexisting8inchmaininN40thStreet.StaffComments:i.Eachlotshallbeservedbyanindividualsidesewer,dualsidesewersarenotallowed.ii.Thesidesewerstoservelots5and6,whichareshowntobeinstalledthroughtheOpenSpaceTract,shallbeinadedicated15footsewereasement.2.Allexistingsidesewerswillberequiredtobecutandcappedduringdemolitionoftheproperties.Newsidesewersshallbeinstalledtoserveeachindividualproperty.StaffComments:i.ThereareexistingconcretesidesewersnotservinganyhomeswhichwereinstalledonN40thStreetandLakeWashingtonBlvdaspartoftheCity’sLIDproject(seeAsbuilt#S0142)andshallbecutandcappedatthemainaspartoftheprojectdevelopment.3.Thedevelopmentisproposingconnectionof14newsinglefamilyresidences(17newsinglefamilyhomes,3existinghomestoberemoved).Creditwillbeprovidedforthe3existinghomesconnectedtotheCitysewerservice.4.Thedevelopmentissubjecttoapplicablewastewatersystemdevelopmentchargesbasedonthesizeofthenewdomesticwatertoservetheproject.a.SDCfeefora1inchmeteris$2,242.00permeter.Thetotalfeeis$38,114.00for(17)1inchmeters.b.Aredevelopmentcreditofthewastewatersystemdevelopmentchargesintheamountof$2,242.00willbeappliedtoeachofthe(3)Ran:April28,2016Page2of5 ADVISORYNOTESTOAPPLICANTLUAI6-000165—“RentonPLAN-PlanningReview-LandUseVersion1IApril28,2016EngineeringReviewCommentsContact:AnnFowlerI425-430-7382Iafowlerrentonwa.govexistingmetersto3908and3916LakeWashingtonBlvdand3907ParkAveNiftheyareabandonedandcappedatthemainline.C.ThetotalwaterSDCfeeis$31388.00.Thisispayableatconstructionpermitissuance.SURFACEWATER1.Asurfacewaterdevelopmentfeeof$1,485.00pernewsinglefamilyresidencewillapply.Theprojectproposestheadditionof14newresidences(17newsinglefamilyhomes,3existinghomestoberemoved).Theestimatedtotalfeeis$20,790.00.Thisissubjecttofinaldesignandpayablepriortoissuanceoftheutilityconstructionpermit.2.Adrainagereport,datedFebruary25,2016,wassubmittedbyCPHConsultantswiththesiteplanapplication.BasedontheCityofRenton’sflowcontrolmap,thissitefallswithinthePeakRateFlowControlDurationStandardforExistingConditions.ThedevelopmentissubjecttoFullDrainageReviewinaccordancewiththe2009KingCountySurfaceWaterDesignManual(KCSWDM)andtheCityofRentonAmendmentstotheKCSWDM.Allcorerequirementsandfiveofthesixspecialrequirementshavebeendiscussedintheprovideddrainagereport.StaffComments:i.Applicantshallincludediscussionofcorerequirement#6inthefinaldrainagereport.CR#6relatestotheaquiferprotectionarea,whichisnotapplicabletothissite,butitshouldbenotedassuchinthereport.3.Runofffromtheexistingsiteincludesthreesinglefamilyresidenceswherenostormwaterinfrastructurecurrentlyexistsonsite.RunofffromthesitesheetflowsnorthandwestintoaditchandcatchbasinattheintersectionofLakeWashingtonBlvdNandN40thStatthenorthwestcornerofthesite.Itthenflowsapproximately540feetthroughaseriesofconcretepipesuntilitdischargesintoLakeWashington.4.Ageotechnicalreport,datedSeptember17,2015,completedbyEarthSolutionsNW,LLCforthesitehasbeenprovided.Thereportdiscussesthesoilandgroundwatercharacteristicsofthesiteandprovidesrecommendationsforprojectdesignandconstruction.Geotechnicalrecommendationspresentedinthisreportdiscounttheuseoffullinfiltrationduetotheunderlyingdenseglacialtillsoil.5.TheprojectsiteislocatedwithintheEastLakeWashingtondrainagebasinandtheflowpathfromtheprojectsitedischargepointislessthanahalfmiletothe100yearfloodplainofLakeWashingtonandqualifiesforthedirectdischargeexemptioninaccordancewithSection1.2.3.1oftheCityAmendmentstotheKCSWDMandmustadheretoallrequirementsthereof.StaffComments:i.TheconveyancesystemanalysisprovidedinthepreliminaryTechnicalInformationReport(TIR)doesnotprovideacompleteanalysisofthesystemtotheoutfallinLakeWashingtoninaccordancewiththerequirementsforthedirectdischargeexemptionasoutlinedinSection1.2.3ofthe2009KCSWDM.Applicantshallprovideacompleteconveyancesystemanalysis,includingnewconveyancepipeswithintheproposeddevelopmentandexistingconveyancepipesfromthedevelopmentboundarytotheoutfallinLakeWashington.Applicantshalldemonstratetheoutfallisadequatelysizedtosupporttheaddedrunofffromthedevelopment.6.Thedevelopmentisrequiredtoprovidebasicwaterqualitytreatmentpriortodischarge.ProjectwaterqualitytreatmentwillconsistofconveyancetoaContechStormFiltersystempriortoconnectiontotheexisting18inchconcretestormwatermainlocatedattheintersectionofLakeWashingtonBlvdandN40thSt.StaffComments:I.PreseillingshallbeprovidedperSection6.5.1ofthe2009KCSWDM.ii.TheconveyanceandwaterqualitysystemsshallbedesignedinaccordancewiththeKCSWDMandtheCityofRentonAmendmentstothemanualthatiscurrentatthetimeofutilityconstructionpermitapplication.iii.AmaintenanceaccessroadisrequiredtothestormwaterfacilitiesintheproposedstormtractandshallbeinaccordancewiththedesignrequirementsoutlinedintheKCSWDM.7.Nodownstreamfloodingorerosionissueswereidentifiedinthedrainagereport.AdditionalStaffComments:i.Stormdrainagepipesshallnotbelocatedbeneaththelandscapestriporsidewalk.Relocatethelinesintothepavedroadwayandprovidesolidroundlockinglidswhererequired.ii.Roofdrainsrequireaminimum10footeasement.Applicantshallprovidedetailsonhowtheroofdrainswillbeconnectedintothepublicstormdrainsystem.SuchconnectionsshallbeinaccordancewithCityofRentonstandardsandthe2009KCSWDM.iii.ThedevelopmentshallnotcreateprotectedslopesasdefinedbyRMC43050.iv.GradingshallbeinaccordancewithRMC44060.TRANSPORTATION1.TheproposeddevelopmentfrontsLakeWashingtonBoulevardNorthalongthewestpropertylines.LakeWashingtonBoulevardisclassifiedasaCollectorArterialRoad.Existingtightofway(ROW)widthisapproximately60feet.TomeettheCity’scompletestreetstandardsforcollectorarterialstreets,minimumrightofwaywidthis83feet.Dedicationof11.5feetofrightofwaywouldberequired.However,theCity’stransportationgrouphasdeterminedandwillsupportalesserstandardtomatchtheestablishedstandardstreetsectionforLakeWashingtonBlvdN.TheCityestablishedstandardstreetsectionforLakeWashingtonBlvdN,whichshallbeinstalledbythedeveloperaspartoftheproposedshortplat,willallowapavementwidthof36feet,8footplantingstrips,8footsidewalks,and0.5footRan:April28,2016Page3of5 ADVISORYNOTESTOAPPLICANTCITYOFLUAI6-000165—“RentonPLAN-PlanningReview-LandUseVersion1IApril28,2016EngineeringReviewCommentsContact:AnnFowlerI425-430-7382IafowIerrentonwa.govcurb.Thisrecommendationresultsinatotalrightofwaywidthof69feet,requiring4.5feetofROWdedication.ApplicantwillneedtosubmitanapplicationtotheCityrequestingamodificationofthestreetfrontageimprovementsasoutlineinCitycode4925OC5d.StaffComments:I.ApplicantwillneedtosubmitanapplicationtotheCityrequestingamodificationofthestreetfrontageimprovementsasoutlinedinCitycode4925OC5d.ii.Theplatshows2feetofdedicationalongLakeWashingtonBlvdN.anda5footsidewalk.Theplanswillneedtobeupdatedtoprovidetherequired4.5feetofdedicationand8footsidewalkforsubmittaloftheconstructionpermitapplication.iii.Theestablishedstreetsectiondoesnotincludeaparkinglane.IfparkingisrequiredforthedevelopmentalongLakeWashingtonBlvdN,additionalROWdedicationwillberequired.2.TheproposeddevelopmentfrontsNorth40thStreetalongthenorthpropertylines.North40thStreetisclassifiedasaCollectorArterialRoad.Existingrightofway(ROW)widthisapproximately60feet.TomeettheCity’scompletestreetstandardsforcollectorartenalstreets,minimumrightofwaywidthis83feet.Dedicationof11.5feetofrightofwaywouldberequired.However,theCity’stransportationgrouphasdeterminedandwillsupportalesserstandardtomatchtheestablishedstreetsectionforNorth40thStreet.TheCityestablishedstreetsectionforNorth40thStreet,whichshallbeinstalledbythedeveloperaspartoftheproposedshortplat,willallowapavementwidthof36feet,8footplantingstrips,5footsidewalks,and0.5footcurb.Thisrecommendationresultsinatotalrightofwaywidthof63feet,requiring1.5feetofROWdedication.ApplicantwillneedtosubmitanapplicationtotheCityrequestingamodificationofthestreetfrontageimprovementsasoutlineinCitycode49250C5d.StaffComments:i.ApplicantwillneedtosubmitanapplicationtotheCityrequestingamodificationofthestreetfrontageimprovementsasoutlinedinCitycode49250C5d.ii.Theproposedstreetsectiondoesnotincludeaparkinglane.Sinceparkingisnotallowedwithinthedevelopment,parkingforthedevelopmentcanbelocatedalongNorth40thStreet.Thedesignedstreetsectionwillneedtoberevisedtoincludeone.6footparkinglaneonthedevelopmentsideofthestreet.ROWwidth,asdedicated,willprovidesufficientpavementwidthforone6footparkinglaneonthesouthsideoftheroadway.3.TheproposeddevelopmentfrontsParkAvenueNorthalongtheeastpropertylines.ParkAvenueNorthisclassifiedasaCollectorArterialRoad.Existingrightofway(ROW)widthisapproximately50feet.TomeettheCity’scompletestreetstandardsforcollectorarterialstreets,minimumrightofwaywidthis83feet.Dedicationof16.5feetofrightofwaywouldberequired.However,theCity’stransportationgrouphasdeterminedandwillsupportalesserstandardtomatchtheestablishedstreetsectionforParkAveN.TheCityestablishedstreetsectionforParkAveN,whichshallbeinstalledbythedeveloperaspartoftheproposedshortplat,willallowapavementwidthof36feet,8footplantingstrips,5footsidewalks,and0.5footcurb.Thisrecommendationresultsinatotalrightofwaywidthof63feet,requiring6.5feetofROWdedication.StaffComments:i.ApplicantwillneedtosubmitanapplicationtotheCityrequestingamodificationofthestreetfrontageimprovementsasoutlinedinCitycode49250C5d.ii.Theproposedstreetsectiondoesnotincludeaparkinglane.Sinceparkingisnotallowedwithinthedevelopment,parkingforthedevelopmentcanbelocatedalongParkAvenueNorth.Thedesignedstreetsectionwillneedtoberevisedtoincludeone6footparkinglaneonthedevelopmentsideofthestreet.ROWwidth,asdedicated,willprovidesufficientpavementwidthforone6footparkinglaneonthewestsideoftheroadway.4.Twolimitedresidentialaccessroads(RoadAandRoadB)with20feetofpavedroadwaywidthandahammerheadturnaroundattheendofRoadBhavebeenproposedastheprimaryaccessfortheinternallotsofthedevelopment.StaffComments:i.ThehammerheadturnaroundshallbedesignedinaccordancewithCityofRentonFireDepartmentstandards.ii.Emergencyservicesaccesswithin150feetofallhomesviaa20footpavedroadwayisrequired.Assuch,parkingisnotallowedalongtheinternalaccessroadproposedfortheproject.5.ADAaccessrampsshallbeinstalledatallstreetcrossings.RampsarenotshownattheintersectionofRoadBandRoadC.AcompanionrampisrequiredalongtheeastsideofRoadAfortheramplocatedatthesouthwestcorneroftheintersectionofRoadAandRoadB.Rampsshallbeorientedtoprovidedirectpedestriancrossings.Additionalrampsarerequiredatallcornerintersections(tworampspercurbreturn).Drivewaylocationsmayneedtobeadjustedtoaccommodatetherequiredaccessramps.6.Streetlightingandstreettreesarerequiredtomeetcurrentcitystandards.Lightingplanswerenotsubmittedwiththelanduseapplicationandwillbereviewedduringtheconstructionutilitypermitreview.7.AtrafficanalysisdatedFebruary18,2016,wasprovidedbyTransportationEngineeringNorthwest(TENW).ThesitegeneratedtrafficvolumeswerecalculatedusingdatafromtheInstituteofTransportationEngineers(lIE)TripGenerationManual,9thEdition,(2009).Basedonthecalculationsprovided,theproposeddevelopmentwouldaverage164newdailyvehicletrips.WeekdaypeakhourAMtripswouldgenerate11newvehicletrips,with8vehiclesleavingand3vehiclesenteringthesite.WeekdaypeakhourPMtripswouldgenerateRan:April28,2016Page4of5 ADVISORYNOTESTOAPPLICANTCITYOF—“Rentonc•PLAN-PlanningReview-LandUseVersion1IApril28,2016EngineeringReviewCommentsContact:AnnFowlerI425-430-7382Iafowler@rentonwa.gov17newvehicletrips,with10vehiclesenteringand7vehiclesexistingthesite.Asdetailedinthereporttheproposedprojectisnotexpectedtolowerthelevelsofserviceofthesurroundingintersectionsincludedinthetrafficstudy.Increasedtrafficcreatedbythedevelopmentwillbemitigatedbypaymentoftransportationimpactfees.8.RefertoCitycode44080regardingdrivewayregulations.DrivewaysshallbedesignedinaccordancewithCitystandardplans104.1and104.2.9.Paymentofthetransportationimpactfeeisapplicableontheconstructionofthedevelopmentatthetimeofapplicationforthebuildingpermit.Thecurrentrateoftransportationimpactfeeis$2,951.17perdwellingunitforsinglefamilyhomes.Theprojectproposestheadditionof14newresidences(17newsinglefamilyhomes,3existinghomestoberemoved).Theestimatedtotalfeeis$41,316.38.Trafficimpactfeeswillbeowedatthetimeofbuildingpermitissuance.Feesaresubjecttochange.Thetransportationimpactfeethatiscurrentatthetimeofbuildingpermitapplicationwillbelevied.10.PavingandtrenchrestorationshallcomplywiththeCity’sTrenchRestorationandOverlayRequirements.GENERALCOMMENTS1.Adequateseparationbetweenutilitiesshallbeprovidedinaccordancewithcoderequirements.a.7ftminimumhorizontaland1ftverticalseparationbetweenstormandotherutilitiesisrequiredwiththeexceptionofwaterlineswhichrequire10fthorizontaland1.5ftvertical.2.Allconstructionutilitypermitsfordrainageandstreetimprovementswillrequireseparateplansubmittals.AllutilityplansshallconfirmtotheRentonDraftingStandards.AlicensedCivilEngineershallpreparethecivilplans.3.Alandscapingplanshallbeincludedwiththecivilplansubmittal.Eachplanshallbeonseparatesheets.4.Allelectrical,phone,andcableservicesandlinesservingtheproposeddevelopmentmustbeunderground.TheconstructionofthesefranchiseutilitiesmustbeinspectedandapprovedbyaCityofRentoninspector.Ran:April28,2016Page5of5