HomeMy WebLinkAboutRVMP approval LUA16-000174CITYOFANDECONOMICDEVELOPMENT—ientoric,PLANNINGDIVISIONROUTINEVEGETATIONMANAGEMENTPERMITEVALUATIONFORM&DECISIONDATE:March22,2016PROJECTNUMBER:LUA6-000174,RVMPPROJECTNAME:SothTreeRemovalRoutineVegetationManagmentPermitPROJECTMANAGER:AngeleaWeihs,AssistantPlannerOWNER:SothEar17848111thAveSERenton,WA98055-6539APPLICANT:SailaEar17848111thAveSERenton,WA98055-6539LOCATION:17848111THAVESEDESCRIPTION:TheapplicantisrequestingapprovalofaRoutineVegetationManagementPermitinordertoremovetwo“landmark’(thirtycaliperinchesorgreater)BigleafMapletreesonthepropertylocatedat17848111thAveSE.ThelotiswithintheResidential-S(R-8)Zoneandis9,379squarefeet.Thereisanexistingsinglefamilyhomeonsite.Treenumber1,asidentifiedinthearboristreportpreparedbyarboristDanielMaple,islocatedonthenorthwestcornerofthelot.Thearboristnotesthatthetreeappearstobeingeneralgoodhealth;however,ivyhasspreadtoencompassapproximately50%ofthetree,andahollowwithmoderatedecayexistsatthepointwherethe3co-dominatetrunksattachtothemaintrunk.Inaddition,thedrivewaycoversapproximately40%oftherootsofthistree,andthetreeisdamagingthedriveway.Thistreehasamoderateriskrating.DanielMaplestatesthatremovingtheivyandinstallingacablesystemwillhelpstrengthentheunionasashorttermoption;however,asalongtermsolutionherecommendsremovingthetree.Treenumber2islocatedonthenortheastcornerofthelot.Thearboristindicatesthatthisahighrisktree,withdecayinthetrunkthatexceeds50%ofthetrunkarea.Partialcrownfailureanddeadwoodwasnoted,aswellasacavitywithfungalgrowthonthesouthsideoftherootcrown.Ivyhasspreadtoapproximately80%ofthetree.DanielMaplerecommendsremovalofbothtrees1and2inthenext3months,orbeforethenextsignificantstorm.Theapplicantisproposingtoretainfiveexistingtreesonsite,includingonePinetree,twoCherrytrees,andtwoPeartrees.PerRMC4-4-130C.9.d.i,thelotrequiresaminimumof4treestomeettreedensityrequirements.Page;of3
CityofRentonDeportmentofCommunity&EconomicDevelopmentRoutineVegetotionManagementPermitSothTreeRemovalRoutineVegetationManagmentPermitCUA16000174,RVMP,GENERALREVIEWCRITERIA4-4-130H5:1.Thelandclearingandtreeremovalwillnotcreateorcontributetolandslides,acceleratedsoilcreep,settlementandsubsidenceorhazardsassociatedwithstronggroundmotionandsoilliquefaction.Comments:ThesubjectsiteisnotlocatedwithinErosionHazardAreaorsensitive/protectedslopes.ItisnotanticipatedthattheremovalofthesubjectBigleafMapletreeswouldcontributetohazardsassociatedwithstronggroundmotionandsoilliquefaction.2.Thelandclearingandtreeremovalwillnotcreateorcontributetoflooding,erosion,orincreasedturbidity,siltationorotherformofpollutioninawatercourse.Comments:ThesubjectsiteisnotlocatedwithinanidentifiedFloodHazardAreaornearastreamorwetland.ItisnotanticipatedthattheremovalofthesubjectBigleafMapletreeswouldcontributetoflooding,erosion,orincreasedturbiditysiltation.3.LandclearingandtreeremovalwillbeconductedtomaintainorprovidevisualscreeningandbufferingbetweenlandusesofdifferingintensityandconsistentwithapplicablelandscapingandsetbackprovisionsoftheRentonMunicipalCode.Comments:Notapplicable.4.Landclearingandtreeremovalshallbeconductedinawaysoastoexposethesmallestpracticalareaofsoiltoerosionfortheleastpossibletime,consistentwithanapprovedbuild-outscheduleandincludinganynecessaryerosioncontrolmeasures.Comments:TheapplicantisproposingtoremovetwoBigleafMapletreesonthenortheastandnorthwestcornersoftheparcel.ThesubjectsiteisnotlocatedwithinErosionHazardAreaorsensitive/protectedslopes.ThesitecomplieswithtreedensityrequirementsperRMC4-4-130C.9.d.i,therefore,theapplicantisnotproposingtoreplacethesetreeswithanynewtrees;however,staffrecommendsasaconditionofapprovalthatthetheapplicanteitherretainthestumps,orimmediatelyreplantwithshrubsand/orgroundcover,whichwillensurethatthesmallestpracticalareaofsoilwillbeexposedtoerosionfortheleastpossibletime.5.LandclearingandtreeremovalshallbeconsistentwithsubsectionD3ofthisSection,RestrictionsforCriticalAreas—General,andRMC4-3-050—CriticalAreasRegulations.Comments:NoCriticalAreasarelocatedonthesite.TheproposedtreeremovalisconsistentwithRMC4-4-130D.3andRMC4-3-050.6.Retainedtreeswillnotcreateorcontributetohazardousconditionsastheresultofblowdown,insectorpestinfestation,disease,orotherproblemsthatmaybecreatedasaresultofselectivelyremovingtreesandothervegetationfromthelot.Page2of3
CityofRentonDeportmentofCommunity&EconomicDevelopmentRoutineVegetotionMonogementPermit50thTreeRemovalRoutineVeetationManagmentPermitLUA6-0DD174,RVMP,Comments:Bothtreesarerecommendedforremovalbyacertifiedarborist.DanielMaplecategorizestreenumber1asamoderaterisktree,andcategorizestreenumber2asahighrisktree.Bothtreesexhibitsignsofdecayandareencumberedbyinvasiveivy.Removingbothtreeswillfurtherpreventhazardousconditionsasaresultofblowdown,pestinfestation,anddisease.7.Landclearingandtreeremovalshallbeconductedtomaximizethepreservationofanytree(s)ingoodhealththatisanoutstandingspecimenbecauseofitssize,form,shape,age,color,rarity,orotherdistinctionasacommunitylandmark.Comments:Notapplicable.Seecommentsundercriterionnumber6.DECISION:TheSothTreeRemovalRoutineVegetationManagmentPermitRoutineVegetationManagementPermitisApprovedwithConditions*.*CONDITIONSOFAPPROVAL:Theapplicantshalleitherretainthestumps,orimmediatelyreplantwithshrubsand/orgroundcoverinordertoensurethatthesmallestpracticalareaofsoilisexposedtoerosionfortheleastpossibletime.Staffencouragestheapplicanttoplantareplacementtreewithinthefrontyard,inordertoincreaseconformitywithlandscapingregulations.SIGNATURE&DATEOFDECISION:1ItMarch22,2016JenniferHenning,PlanningDirectorDateAppealsofpermitissuancemustbefiledinwritingonorbefore5:00p.m.onApril05,2016,togetherwiththerequiredfeewith:HearingExaminer,CityofRenton,1055SouthGradyWay,Renton,WA98057.AppealstotheExamineraregovernedbyRMC4-8-110andmoreinformationregardingtheappealprocessmaybeobtainedfromtheRentonCityClerk’sOffice,425-430-6510.Reconsideration:Within14daysofthedecisiondate,anypartymayrequestthatthedecisionbereopenedbytheapprovalbody.Theapprovalbodymaymodifyhisdecisionifmaterialevidencenotreadilydiscoverablepriortotheoriginaldecisionisfoundorifhefindstherewasmisrepresentationoffact.Afterreviewofthereconsiderationrequest,iftheapprovalbodyfindssufficientevidencetoamendtheoriginaldecision,therewillbenofurtherextensionoftheappealperiod.Anypersonwishingtotakefurtheractionmustfileaformalappealwithinthe14-dayappealtimeframe.Expiration:TheRoutineVegetationManagementPermitshallbevalidforoneyearfromthedateofissuance.AnextensionmaybegrantedbythePlanningDivisionforaperiodofoneyearuponapplicationbythepropertyownerormanager.Applicationforsuchanextensionmustbemadeatleastthirty(30)daysinadvanceoftheexpirationoftheoriginalpermitandshallincludeastatementofjustificationfortheextension.Page3of3
Soth Tree Removal Site Plan
Big Leaf Maple
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li.t(oiisii1tiii&.\Y1)t)FiStSEXHIBIT2‘t’r’dPrLCiietVrii&1Ii±.i_IiiiiEt.C.LiltiiDATE)jHPreparedfor.SailaEar17848111’AVSF.RentoriWA.8O55AssignmentCientisconcernedaboutthehealthandsafetyot1Maplefrontleftofthehomeand1MaplebackleftoftheliorieAlevel2RskA’sessrneritwithdecaytestingisrequestedTmeFrameSYearsfroriabovedatePurpose1)Thisreportisintendedtoidentifytreesthatposeariskstotheaboveandneighboringhomes,aswcliastheownersandtheirguests2)providereasonablemitigationoptionstoreducerisktoacceptableleveh)TodocumenttreehazardsforobtainingAtreecuttingpermitifoneisrequiredadditionalISAriskassessmenttormsareavailableifneeded)lreesThereare2treec‘r,clc,ripdinthisepurt#1isontherhtsidect[rtrontyard,b7thedriveTree#2isnothek-ftsideDihi’bck,ard,behndtheshedSiteTypicalResidentialsite.Soilsinftn’rtarecompactedwithconcretedriseover40%ofth€roots.Noothernegativesiteconditionswerenoted.MethodologyToevaluatethetreestorristan]preparethisrepfirtit]rlwuc’my7H-yeausotespeuirnceinthefieldofarboricultureanciroyformatrduicationFollowingtheprotocolestablishedbytheInteruiatoraSocietyotArboriculturetISA)BestManagementPiaftlCCs(BMP)torRiclcAssessmentANSIA30i)pOrt9fliCsitew,assessedforanynotedconditionthatmayhavearieg,iti’.‘impactonthelocalforestin;ludingtunutIntedto1)historyoftreeIilute(windthrow)2)ChangeincVindPettertis3)sn’ileptb4)SoilHyduology5)gradecHanges6jfunkalfruitingheidi/ciEcapthogens.Ipertormedalevel1riskassessmentandasneededalevel2riskassessmentonthesubjecttree;arid’IThecrownofthetreeswereexaminedforcurrentvigorInspectingthecrocsnlfoiiage,burt-andbro’ches)forcolor,densitr,form,andannualshootgrowthlimbdiebackanddisease.Brancheswereinspectedforcracksandothedeftcts,aweliasneedstorre’r”ada’pruling2.‘Thecoleormaintemotthetreewasi’pcteclfrdecay,whichincludescailes,woundsfruitingbodie,oaeca5(ID)iifrsorr’’ushrnumsfseamsinsf:•-tsbleedingcallusdeselooment,broicenordeadtops,structuraldefertandunnaturalleun.rintura’detectsincludecrooks,icrkswithVshapedcrotches,multiplratt,rclcrents,rideceives-weep.[HEri)tcollarclOdr_rtswerein1pected1srthepresenceofdecaynsect,und/urImageaselii’‘1thryhivebc-ennjuioc’Untdriniritiorexlos±d01Otginalgr-udeasbeercliangeilAleeI2Bascisthetairt12rinri1s0s;nrerltthatisperformedbyarboristsinresponsetoaclientsrequestfortreeriskassessmentInspectiontoolsincluded,binoculars,tiypsoineter,rnagrtyingglassmailet&probewereusedLevel2advanced.WhereRoot/Trunkdecaywasnoted,anditwadeemedprudenttoriestigatEfurther,decaycirluingfortact,i,idtrunkdecayas,n.iudrrlDdnelç’Abcrirnsuitin,,garbcJhstscom‘2S-328-04457q7(,\PC).337DCeiParkNA.990u38
.(t)1NlIltiI1A\f1)ti’itf.ihE,l)dIIE)‘1r1e1ci.y,!,It-It,OI,tI£i.LIItOt,1tjr,IObservation:free#1BigleafMaple“4ce,rnacropbyllurn’DBH49Height62Spread40TreeappearstoheirgeneralgoodhealthandmoderatevigorThedrivewaycovers40%oftherootsandthetreeIsdamagingthedrivewayIvyhasspreadtoenccrrnpa,sappro.5Oiofthetree-Itotitjmiriatetrunks,rtb’offthegroundarU7ccUorniiratetrunksat9’WeenotedAullowexistsatthepoirt[reretie3tall’snttuc[tothemaintrunkdecayto,tir,snow,nroderatuc1eayattin,trurrl’uiinnthegrowthhabitssuggesttiretreenscutat6’inthepast,andthetreeweseetodayisstumpsprouts.Removingtheiv5andinstallingacab’esystemwillhelpstrengthenthunionandisasshorttermOptionRiskRatingTreeff2BigleafMaple‘/iicermucrophyllurn”DBH34.5”Height60Spread30’ivyhasspreadtoapprox.80’cfthetreePartialcrownfailureanddeadwoodwasnotedAcavitywithtungaigrowthwasnotedonthesouthsideoftherootCtr.iW’i‘ArnIreria’decaypathogenissuspt’ctedi.Decaytestingshowaverageouterwailthicknesstois55”therestofthetilink/rooturn’snisdecayed.1)TreeTrunkArea96021DecayArea4P03)CecaytxceerL50%TrunkAreau’ii--‘i-nlitTreeConditionSummaryTreeSpeciesScientificNameDBHHeightSpreadDecayRiskRecommendation1MapleIt_erroocrojrhyl/urn49’68’40’4tAttachmentRemove0-6monthsCablichortteriTiuption2Maple‘Aue”mocrophy/lurn345’bO’30’RoutCrownRemove03rrontts(ondusionTree#15ivycoveredco-dominatehatmoderatedecayatthetrunkunionandisdamagingthedrivewayihetreeappear’tohe’growingoutofanoldstumpstumpsprouttreesarenotoriousforta/lure)Removingtheivyandinstallingacablesystemwil1addupporttothetrunkattachments,however’thisisashorttermmitigationuptonanddoesrrtaddressthudarnagrbeingdor’c-tf)tfdrivewayDuetothedefectsnoted,theiongtermtheBrstManageirientPlanwouldbet,reenoirthetreeTree#2hasahistoryoffailLiiewithrio’knibsarrddesowit’IintirecrowiDtrayttr’’gshoesaiIvan’eitftc,ryintheu-itc--ii.texceeds50’—,-iftheIota1IrurikArea.Itisp’or.ahlethattreefailurewilioccurandimpactatargetintineweathereventscornrnrintaregicnninthetimeframestatedconsequenceswoiidbesetceRiskRatingIsHIGHRecommendations:Remove’trees#1,rid#2ntheppyt3monthsrbn’ithenextsignificantt’eathereventPreparedbyDanielMapleISACertifiedAiborittIreeRiskQuaIifieAssumptions&LimitingCc.nditionsdfiti.jesarrintionoftiestersasmade%rthisreportdaterefereicedinreoorti.a-chasoeent.rkertobtainnilinformationtromreliableselircesinatimelyfashionIherefuralldatetaLetnverifiedtothebestofin,ikiowiedge,thecertilkU/consultingarborstan‘-flieryuamaritrec-itje[-dclrep.rioforrieaucuracycf‘“tot’riturpivaidedbyartyoutsidesource,Anyand,nli‘normariotorurrUedinthisrapo4:o,ersorlyttr-treethatweree,dnifledar’drefitctstien’Clitionotthoseinnea1thE:“meofinspurironIhisrn,puctioniislimitedtoavftrialmetnrodofthetreesinque,tionexcludinganycoresampling,probingdis,e’cfinn,orexcavationThereisnoguaranteenorwarranty,expressedorirripinedthatanydeicienc’esorproblemsijftirementionedtreesrnianotariseina.thefuture4.Alldrawing’sketches,andpuntgraph’somitteditttireportareinter‘tedasvisualaid’onlyandirenttacttc)scaleThey‘h,iuldntiecotttrtieiaseng.rieerngtoarrhiteituriireportfsurveysuniPsn’rtedioUpi’cnfii’dlTtsecertified,irhornst/consultine,rrburistisnotrequitedtogiseanytestiniuorattendncur”foranyreasoIrorsiutringthisiepncturrie,su,,er1it’s’coitr’actjalsgrr--mc‘itammideC/nialteratior’srn.rrletoIhitr5ottorIistau’t’matic,nllyinva’ndatect’isrepii-t7.tlnitsreqa’-1byIiwntl-enwi-ee,pos,es,’ur-rft[ii5rr’roreoracopyitrhi’optIt‘HOC-‘notiir’jilrgbtQIpuhirratitrioruseforan1into-Ste1-y-3P/antth—ithenci,,PtIiiitothen’itea,cmat‘Utneitt-UtPtore’tl’le-s’ctwritteni’ni’sinnaU1iions-’rntoftIre’‘etlteI/rn’’litg.rrbnrlstTiIi’:repnrtandaiues,pnitirsxpceseci,011ttnittireup.n-o-.dtilecertinled/cunisuitingarbuI,t,ardtoearbnri0forsareoriocciingentru-onreportingary,p.ecifredvaluesstpuatenres,,ii’rtiCotcur’enteofasubsequen’c’e‘nortiporidingtobe‘aF’ortrDaniei/shcconsultlng,arboristscornT2-32/3-U’WiSA-/970AP0007LiterP9rlNAq000g
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