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AboutPeriodicReviewReport•DepartmentofDé*lopmentandEnvironmentalServices900OakesdaleAvenueSouthwestKenton,WA980554212(206)296-6640PeriodicReviewReportandDecisionDateofTransmittal:July15,,Wfl&GeneralInformationFileNo.fName:L89G3180—BlackRiverQuarryPemdttee:StonewayRockandRecycling9125—10thAvenueSouthSeattle,WA98178Section13,Township23,Range4EastLocation:6900SouthBeaconHillcoalMineRoadZoning:Industrial‘T’;Office“0”CommunityPlaruHlghlineB.ProjectDescription:BlackRiverQuarryisahardrockextractiveoperationlocatedonapproximately32acresat6900SouthBeacon11111CoalMineRoad.Theeightparcels,whichconstitutetheshe,arezonedIndustrialandOfficewith‘T’propertyspecificdevelopmentstandardsand“SO”specialdistrictoverlaydesignations.Previousproductionrates,theremaininglifeoftheoperationwillbethreetofiveyears.C.History:Thesitehasbeeninoperationsince1949.FromthatdateuntilMayof1988,theoperatorwasBlackRiverQuarry,Inc.ThefirstKingCountygradingpermitpermitnumber1112,wasappliedforbyBlackRiverQuarryonOctober8,1970andwasapprovedonFthma’y19,1971.Theinspectionactivityhasbeenrenewedannuallyfromtheinitialapprovaluntilatransferofinterestoccurredin1988whenthesitePagel Iwaseffectivelydividedintotwopartswithtwodifferentoperators:RentonConcreteRecyclersoperatingthewesternhalfandStonewayRockandRecyclingoperatingtheeasternhalfBecauseofthedifferinginterestsandownership,thenewoperatorswererequiredtoobtainseparategradingpermits.Oncethenewpermitswereissued,theolderunderlyingpermit,#1112wasclosed.kentonConcreteRecycling’ssitewasannexedtotheCityofKentoneffectiveJanuary1,1997.PermittingandregulatoryauthorityfortheStonewayRockandRecyclingpemitremainswithKingCountyandisthesubjectofthisperiodicreview.ftScopeandStandardofReviewTheperiodicreviewprocessforthissiteisrequiredbyKCC21A.22.0SO,whichstates:Peflc%icReview.Unlessamorefrequentreviewisrequiredbythecoim(y,periodicreviewofexfractlveandprocessingoperationsskillbeprovidedasfollows:A.Allextracth’eoperationsshallbesubjecttoareviewofdevelopmentandoperatingsMzdwdcatfive-yearintervalsB.Theperiodicreviewshallbe:LConductedbythedirectororzoningadjustorpursrsw#tothereviewprocessoutlinedinKC.C214.42.O4O-.090.;and2.Usedtodeterminethat11wsiteisoperatingconsistentwiththemostcwrentskodardcandtoestablishotherconditionsasnecessarytomitigateidentifiableenvironmentalimpactsInaddition;,thissiteisalsosubjecttoKC.C.21k22M40asanonconffirminguse.Thissectionstates:Nonconformingex#activeoperations.Totheextentdeterminedfeasthlebythecounnonconformingatractiveoperationsshallbebroughtintoconformancewiththeoperatingstand&dsofKC.C.21A.22.070.Chapter21k22DevelopmentStandards-MineralExtractionisincludedwiththisreportasattachment2.TheapplicablestandardsusedinthereviewofthissiteincludetheprovisionsofChapters21k22and21A24ofthezoningcode;thegradingcode,KC.C.16.82(attachment3);Tide9andtheKingCountySurfaceWaterDesignManual;Tide12,specificallysections12.86throuèh12.100(attachment4);andChapter78.44oftheRCWrelativetoreclamationofswfacemines(attacbmnit5).Acompletediscussionoftheelementsreviewedforconfonnancewiththeapplicableregulationsisincludedinthefollowingsection.Page2 B.Discussion:Noiseismeasuredasasoundpressurelevelexerte4onthemicrophoneofasoundIevel.meter.Themagnitudeofaudiblesoundhasaverylargerangeofvaluesandisreportedhi4ecibels,abbreviate4asdB.Soundlevelsareadjustedinastandardprocessusingcircuitsinthesoundlevelmetertoreducetheinfluenceoflowfrequency,nimbleandhummingsoundlevelsrelativetohighfrequency,beepingandsquealingsoundlevelsinordertoaccountforthenotmalvariationinearsensitivitywhenlisteningatabouta50or60dBsoundlevel.TheseadjustedlevelsarereportedasA-weighteddecibels(dBA),whichistheacceptedweightingfornoiseResidentsan.on-siteworkersareprotectedfromexcessivenoiseduetoprojectactivitiesbylocal7state,andfederalregulationsandguidelines,KingCountystandardssubjectthisprojecttonoiselimitsasmeasuredatthepropertylinesofneighboringparcelsofland.Theallowednoiselevelvarieswiththelandzoningdesignationofthenoisesourcepropertyandthereceivingproperty.UñderLC.C.12i7M70,thenoisedistrictfOrthispermitisconsideredtobeindustrial.ForanIndustrialdistrictnoisesource,thedaytimenoiselimitis60dBAfornoisereceivedattheadjacentResidentialzonedproperties.K.Ct.12.88.030statesthat“themacimwnpermissiblesoundlewisestablishedbythischaptershallbenthjcedorinc-easedbythesianofthefollowing:ABetweenthehoursoftenp.m.wWxwnam.dw’lngweekthys,andbetweenthehoursoftenp.m.andnineam.onweekndtthelewisestablishedbySection12.8&020&ereducedby10&(A)wherethereceivingpropertylieswithinana-alorresidentialdisbiaofKingCoun4’Inadditiontopropertylinenoiselimitsimposedbycountyandstateregulations,anyincreasestoexistingambientnoiselevelsareexaminedinanassessmentofnoiseimpacts.BaseduponFederalEnvironmentalProtectionAgency(EPA)Region10guidelinestheimpactofanincreaseinaveragecommunitynoiselevelsmaybedescribedasfollows:EPAdcscñptiouforIncreasestoAvengeNoiseLevelsk!creas1çqtrlItoSdBSlight5to10dBSignificantlOtol5dBSeriousPage3 Theimpactofanaverageincreaseinnoiseappliestothetimeperiodwhichencompassesthetypicalnoiseenvironmentofthereceiver,e.g.forbusinessesorschools,an8-hourdaytimeaverage,andforresidences,a24-hourday-nightaverage.MeasuredorpredictednoiseincreasesaredeWnninedattheoccupieddwelling,school,orbusiness,notatthepropertyline.Noiseimpactisassessedbynumericallycomparingtheprojectnoiselevd.atanyreceiverlocationwithambientnoiselevels.Thelevelofdistantnoisefromexistingrecyclingoperations,on-goingconstructionandactivitiesatneighboringindustrialsites,highwaytrafficnoise,combinedwithlocalresidentialactivitiesnaturallyoccuning.wiid.noise,aircraftflights,alltakentogether,constitutethecurrentambientnoiseenvironment.Afintherdiscussionofthenoiseelementofperiodicreviewisindudedintheconclusionssectionofthisreport.fiounofOoeration‘: 1The‘BlackRiverQuarrypeimitisconditiónçdtoillowoperationsfrom7:00a.m.throuèh10:00p.nMondaythroughStday.‘Thiscondiflonwasestablishedwiththeissuanceofthe$lackRiverQualypermitin.1972;Normalandroutinemaintenanceactivitiesandequipmentwahn-UpinthemorningsarenotrestHàtedbythehoursofOperation.The&iginalSEPAchecklistwlwtitiedqñMarch.15,1977doesnotdiécussthis’issue.TheccmtroffingauthorityfOrcohdidoninghoursofoperationsforgradmpermitshasbeenarequirementthatthepe9nztteecomplywiththeapplicablenoisestandard.(seeittacbifl11,cqnditions0080;0091).InAngustOf1996,BlackRiverQuarörwascitedbythedepartmentforiviolStionofoperatinghours.Theoperator’sposifionwasthe“historicoperalioniQncliding24-hourperdayOperAtions)atthesubjectproperty,theBlackRiverQuany,pre-dateKingcountysuch,Stonewaycontdidsthatithasalegalri&httoconductoperationspriorto7:00a..ñi.notwithstandingpermitcondition#0091assetforthinGradingPermit#L9oGRO17.”SubEequeilttothecitationbyDDBSfortheallegedviolation,discussionswereheldbetw’theoperatorandDDES.Asaresultofthosediscussions,onAugust8,1996,Stoneway,throughtheirlegalcounsel,advisedthedepartmentthattheywoulçlvoluntarilyIuspendoperationsoutsideofthehoursnotedinthepennitconditions.,.Itshouldbenotedthattheresticdonsonoperatinghoursimposedthroughthepermitrelatetotheminingoperationssuchasthecccavation,processing—haulingofmaterialproducedonsite.ThehaulingofmaterialsfortherecyclingoperationarenotsubjecttothispermitandarenotregulatedbythehoursofopeitonunderthisUlasdnnBlackRiverQuarrycurrentlyusesdrillingandblastingtominematerialintherockquarry.BlastingoperationsgenerallyoccuraboutonceortwiceaweekduringthePage4 •monthsdfAprilthroughOctoberwhendemandfortheproductishighest.Blastingocçinssubjecttothestan&rdscontaine4.inKC.C.21kfl070.B;B.’.Blastingshallbeconthictet•1.Consistennv,ththemethodtspecifiedjntheOfficeofSurfaceMining,1927BlastingGa/danceMwwal;•2.Durindaylighthours;wLIAccordingtodtimexhethslethat;.a.featuresregukworprethctabkUmes,exceptmtheseofanemergency;and•.b.isprmd4edtoresidentswithinone-In(frn/kofthesite;Currently,.thepermitisconditioned’toincludeextensiveconditions(attachment1,conditions5050through5100)regardinggroundvibrations,grounddisplacementandfrequencycharactethlicsand,allowablesoundpressurelevels.Therehavebeencomplaintsoverthelastthreeyearslodgedbytheadjacentapartmentcomplexregardingtheblastingissue.Theconcernwaswithlackofpriornoticeaidononeoccasion7in1991,theapartmentmanagernotifiedthedepartmentthatflyrockfromablasthadshoweredthecomplexandparkinglot,hiadditionasaresultofdiscussionswiththe.quanyandwiththeneighboringEmpireEstatesApartments,additionalconditions(attachment1,conditions5102and5103)wereplacedonthepermitin1997whichrequireatwenty-fourhournoticetotheapArtmentspriortoblastingandwhichrequirethepérnütteetosubmitallseismographreportsrecordedduringblastingtothisdepartmentwithintendaysoftheblast.Blastingisrestrictedtodaytimehoursonly...&wOuai’tvMitigationofthgitivedustconsistsofmaintainingtheaggregateina.moistconditionwhileitisbeingconveyed;sorted,crushedorstockpiled.ThespecificregulationspertainingtofUgitivedustareconfainedinSectidns9.15and9.20ofPSAPCA’sRegulationIandrequiretheuseofbestavailablecontroltechnologytocontrolemissionswhichwouLdachievethegoalofnovisibledust.ThesiteisoperatingunderanapprovedPSAPCApermitwhichincludesafugitivedustcontrolplan.Currentlytheentranceroadtothesiteispavedtothescalehouseforthepurposeofreducingdustandtrackingfromtucksenteringandleavingthesite.Inaddition,awatertruckservicesthesiteasneededtokeephaulroutesandtraveledwayswetteddovbtTheconvcyorsalsohaveasysteminplacewithawatertankandspraybarstowetmaterialonthebeltsifnecessazy.Includedinthissystemarespraybarsforwettingmaterialsinthecrusherandscreeningplantsduringprocessing.Asitevisitduringpreparationofthisreportrevealednodustproblems.However,eventhoughitwasdiyandwindy,therebadbeensomerainovernightAreviewoftheavailableinformationinthefileindicatesthatuntilrecently,thedepartmenthadnotreceivedcomplaintsregardingdustasanissueatthissite.• ••PageS •—:L*pdtsefattenis•HHS4eVicinityThesttecompnseseightparcelsituatedinatriangularshapewiththehypotenôsemnmngalongthesouthwestonortheastpropertylineThesquthemfoijrparcelsareonedIndustrialandthenorthernIburparcelsarezonedOfficeThreeparcelsborderthenorthernpropertylint,all!tonedR-24Currentlythev,ester1ycyoofçheseparcelsremainundevelopd,SvhiletheeasterlyparcelisthesiteoftheEmpireflatesApartmentcomplexThatcomplexcontains240hvhigun4tsandwascopstructedin197QThesepropertiesareadjacenttoslidaccessedfromMadmLdtherKmgYrWay1IThewesternboundaryofthesitebordersKentonConcreteRecyclersandisalsotheRentonCitylimit:Thecitylimitsborlerthepropertyasnoted,onthe*èst,ndalongthecommonçfrop’ertylinSrunnihgsouthwesttonortheast.adjaccnttothe•railroadrightofway.TheprkpertyacrossthelrqckstothesoutheastisundevelopedwithheexceptionofthecoütrolfacilityintheBlackRiver.DirectlysouthwestoftheentrancetothequayacrossMonsterRoadisanoperatingtransferstation.AcrossMofisterroadtotheEouthastisanofficecomplex.•.IUndertheoperating,planssubmittedin1989forreviewofthepermitduringtheseparationofthetwgoperations,a50-footbufferwasestablished.Thebufferprovidedscreeningand.noiseattenuationbetweentheoperationsofthequarryandtheapartmentcomplexalongtheeasterlyportionofthesite’snorthpropertyline.In19%theoperator,whileälearingthecastroportionoftheproperty,intrudedintoandremovedthetreesandvegetationfrOriapproximatelyfivehundredfeetofthebuffer.BlackRiverQuanywasrequiredtosubmitabufferrestorationplanforreviewbyDDES.Thedepartment,inMayof1997,approvedafinalreplanfingandrestorationplanandthereplantinghasoccurred.Thereplantingiscurrentlybeingmonitoredforanadequatesurvivalratethroughtheroutineinspectionofthequarry.An.inspectiontakenduringpreparationofthereportrevealedtheunderstozyrecoveringandanapproximate20percentmortalityofthereplantedtrees.AnadditionalinspectionduringJanüaiyofthisyearrevealedseveralofthesmallerfirsplantedasapartoftheapprovedrevegetationplanhadbeencutdownandremovedinDecemberbypartyorpartiesunknown.ReclamationWashington’sSurfaceMiningAct(Chapter78.44RCW),whichisadministeredbytheDepartmentofNaturalResources,definesreclamationa“thereasonableprotectionofallsurfaceresourcessubjecttodisruptionfromsurfaceminingandrehabilitationofthesurfaceresourcesaffectedbysurfaceminingincludingtheareaunderstockpiledmaterials.AlthoughboththeneedforandthepractIcabilityofreclamationwillcontrolthetypeanddegreeofreclamationinanyspecificinstance,thebasicobjectivewillbetoreestablishonacontinuingbasisthevegetativecover,Page6 soilstability,waterconditions,andsafetyconditionsappropriatetotheintendedsubsequentuseofthearea.”RCW78.44.alsostatesthat“theslopesofquarrywallsinrockorotherconsolidatedmaterialsshallhavenoprescribedangleofslope,butwhereahazardousconditionisàreàtedthatisnotindigenoustotheimmediatearea,thequarryshallbeeithergradedorbadthlledtoaslopeofonefoot.horizontaltoonethotverticalorotherprecautionsmustbetakentoprovideadequatesafety”.ThegoalofRCW78.44isthatreclamationcreatesstable,usablelandataminedsite.KingCountyDOESandWADNRhaveinplaceaninter-agencyagreement(attachment6)thatdefinesthjurisdicton1rolesofeachagency.Generally,KingCountyDDESisresponsibleforthepermittingandinspectionforcompliancewiththedaytodayoperationalissuesassociatedwithminesinunincorporatedKingCounty.WADNRhastheresponsibilityforreview,approvalandenforcementrelativetothefinalreclamationofminesintheunincorporatedareasofthecounty.Theprocessforpentittingofnewoperationsinvolvessubstantialcoordinationbetweenthetwoagenciesliitheapprovalofthefinaloperatingplan.Obviously,thecountymustbecareftilnottoapproveaplanthatwouldrenderthestateapprovedreclamationplanunachievable.Forinstancç,twooftheissuesreviewedduringsheinspectionsbyODESstaffinvolvemaldngsurethatsetbacksfrompropertylinesarebeingproperlyobservedandthatslopesasapprovedbyWADNRarenotbeingoverexcavated.Bothareintegraltobeingabletoachievethefinalreclamationasapproved.KingCountyDUESandWADNRworkedtogetherduringtherepermittingofthesitein1989and1990toestablishacoordinatedoperatingplanmeetingtherequirementsofbothstateandcountyregulations.Coordinationbetweentheagenciesisalsocrucialinachievingthesegmentalrethmationcommoninminingoperations.Segmentalreclamationinvolvesthereclamationofthe“Workedourportionsoftheminewbileminingcontinuesinotherareasofthesite.KingCountyautenUyhasafeestructurethatencouragessegmentalreclamation.Thefeesarebased,inpart,uponareaopenandunreclaimed,whichprovidesanincentivetotheoperatortoachievereclamationinatimelymanner.Miotherareaofcooidinafionbetweentheagenciesisbonding.gingCountyDOESisresponsibleforobtainingoperatingbondsforthedaytodayoperationsofthesite.Thopurposeofthepperatgbondistoassureasourceofflm4ing.fOrrepairofoffsitefadlideidamagedbymineoperdontBlackRiverQuarrycunendyhasoperatingbombinplaceinlbamountof$5,000.00and515,04)0.ReclatadonbondsaresetandadministeredbyWADNRThecriteriaforthosebondsarcbasedupOntheestinatedcosttostabilizethesite,eliminatehazards,andreplantáhouldtheOperatorBilltomeettheobligatiOnestablishedthroughtheapprovedreclamationplan.Thecurrentreclamationbondbeingheldbythestateforthissiteis$34,500.00.TheWADNRhasrecentlyreviewedthebondingstatusofthesiteandhasrequestedanincreaseintheredimationbondamountto$166,000.00.ThenewbondhasbeenreceivedbyWADNKPage7 Dnma2eandWaterOnailtyIngenetal,thebedràckfônnationsonthepropertyarerclativel9resistantto’erosion.Thesoils.coveringthebedrockhavebeenidentifiedasBeausitewhichaccordingtoSOS,.11-55.Sócon4Edidon.June1986,hasamoderatelylowmn-offotentia1.Evenwiththelownin-offpotentWofthesoil.%andmaterialbeingmined;theactivides.commcnlyocamingonshedoproducefinesedimentsandaswillbenoted.laterluthissection,thosesedimentsarenotallbeingcapturedonsite.Theentiresite,withtheexceptionofthebuffer(seeLand.UsePattcrnspage0)hasbeencleared.Thewbddngthee,ofthequarryisinthehighestreliefonthesitein.thenoftbwestedyportionoftbepropctty‘atde’ation250.Frorn.thatpointthesheslopegtotheeastalongthenorthpropertylinetpsrielevationof90andtothesoutheastcornerofthepropertytoanelevtion.of301,Ontheriortheasterncdneroftheiteisaswaleandconveyancesystem.Thisswaiecollectsdrainagefromtheapartmentcomplexarea,carriesitthroughthesite,dischargesthewaterdowntheslopeinarock-linedditchanddischargestothesouthofftheproperty.andintotherailroadright-ofway.Aninterceptorswalebeginsimmediately.tothewestofthisdischargepointandcontinuesalongthesoutheastedgeoftheoperationparallelingthepropertyline.Theditchultimatelydischargesintothepondlocatedeastofandadjacenttotheentrancetothesitehithesouthwestcorner.Thisditchcapturessiteramofffromafillslopeandfromtheclearedarea.Thesoutheastareaalongthelengthoftheditchhasbeenfilledovertheyearsandtheditchislocatedonthefillformuchofitslengthbeforeenteringthepond.Thepondhasthreecellsbeingseparatedbytwqrockdividerstoaidinprecipitationofanysuspendedsolids.Volumeofthepondsiscalculatedatapproximately60,000cubic.feetwhich,accordingtothenomographusedforcapacitycalculationatthetimeofconstruction,providesadequatestoragefortheshe.Aninspectionduringpreparationofthisreportnotedthepondwasrecentlycleanedtorestorethecapacity.Itshouldbenotedthatthepondswerenotsizedtoincludetheareaclearedin1996.Theapprovedplansdosetforththerequirementforanadditionalpondontheeasterlyportionoftheandonce,thatareahasbeencleared,theadditionalpondwillbeconstructed.Allsitedrainagefromtheoperationsareaisdirectedtothepond.Thisincludesthesurfacedrainagefromtheentranceroadaswellasfromthesplashfromthewheelwashfacilitieslocatedonbothendsofthethickscale.Thewateriscapturedbydropinletsandpipedandbyanasphaltinterceptoracrosstheroaddirectingtheflowstotheponds.WaterusedforthedaytodayoperationsofthesiteiseitherprovidedbytheCityofRentonwatersupplyoristruckedfromStoneway’splantsiteontheeasternsideofRentonontheMapleValleyHighway.Page8 BlackRfreQuarryiscurrentlyoperatingunderanerosioncontrolanddrainageplanreviewedandapprovedJanuary10,1991.AnNPDESpermitwasissuedonJuly6,1994bythestateDepartmentofEcology,Thçcurrentpermitconditionsandapprovedsiteplanallowsnodischargefromthesite.OnMarch13,1998,theDOEcitedthequarryfordischargingfromthesiteintotheBurlingtonNorthernROWwherethewaterwoulddischargethrougha24”pipethroughtherailroadbedandthenintotheBlackRiver.Inaddition,theoperatorwascitedfordischargeofturbidwaterinexceedanceoftheallowedstandardandforfailingtonotifyDOEoftheviolation(seeattachment7).TheoperatorandDOEhavebeenworkingtogethertoresolvetheseissuesandhaveagreedtoblockthedischarge.TheoperatorhasprovidedthedepartmentwithcorrespondencemunorializingtheagreementbetweenthemandtherailroadregardingtheirjointculvØrtinstallationwhichallowsthestonñwatergenerallyflowingfromnorthtosouthacrosstheqàarryproperty.PriortotheculvertinstallationthestormwaterpondedagainstthenorthsideofthetrackInspectionsofthesitehaverevealednoissueswithwoundwattThepitfloorandfacearerelativelythyandexcavationhasbeencOmpktedtothefloorelevationofabout60intheworkarea.Therearenorçcordsofàtiyactivewellsintheareaandneighboringpropertiesaresenicdbyincipalwatersupplies.sensitiveAreasThesitecontainsnosensitiveareasasdefinedbyKC.C.2EA.TheBlackRiver,aclass2Sstream,doeslieontheothersideoftherailroadROW.TheriverhasbeenidentifiedasanimportantfisheriesresourceandincludestheBlackRiverRipariánForestsurroundingthereservoircreatedbythecontrolstructureintheriverCliff-likesteepOpelaràbei%createdonthenortháidêofthesitethroughhistoricndcurrentminingofthàproperty.KCC.2lkD.5allowsminingunderanapprovedplanasanallowedalterationofsteepslopesAtthispointintheminingofthepropertyitisdifilculttoascertainifsteepslopesexistedpriortothemining,lioweversteepslopeswithbenchesasapprovedtindertheWADNRmhtingpextititAnllresultasminingcontbuies.__ _ _ _*:IAreviéwoftbefilendre’rdf&theBikRiverQuarr3revealsthatthissitehashadanextensivehistoryofproblemswithtiaddngofmudanddinontothepublicright-of-way.Duringtheseparationofthesheduring1989-1991andthesubsequentissuanceoftheseparatepermittoBlackRiverQuarry,additionalconditionswereimplementedthatrequiredtheoperationtoinstallandmaintai1iapressurizedwheelwashforthedilationoftheoperation(seeattachment1,condition2110).Theoperationinstalledtwowheeltvashsystems,oneoneitherendofthetruckscale,Thereportedincidentsoftrackinfontothepublicroadhavedecreaseddramatically,Page9 Theadjacentright-of-wayofMonsterRoadbeginAwhere68’AvenueSoutheastandBeacon-CoalMineRoadSouthmeetipproximately1500feetupthehilltowardMartinLutherKingJr.Way.MonsterRoadthenmeetsOakesdaleAvenueSouthwestapproximately1500feettothesoutheastoftheentranceroad.CurrentlyMonsterRoadisund*goinggonstmcfidnwithabridgereplacementbytheCityofRentonimmediatelyacrosstherailroadtracksfromthemineentrance.TheimmediateareaalongthefrontagetotheentrancereceivesheavytruckusagewiththeentrancetoRentoñConcreteRecyclersadjacenttotheBlackRiverQuarryentrance,adrivewayintoaprivateshopfacilityimmediatelyacrossMonsterroadfromtheminétheenflnce.totheftánsferstationis.directlytothewest,andinadditiori,68’AvenueSoutheastisuedbytnscksandautomobilesasashortcutfromMartinLutherKingJr.WayacrosstheBlackRivertoGradyWay,AccordingtotheoperatoroftheBlackRiverQuatry,tucktripsgeneratedbytheoperationvax’withasfewas55tmcbperdayduringthe?ff-50ntoasmanyas320ucksperdayduringthesummerconstructiànseasonwhendemandistheheaviest.SEPASEPAstandsfortheStateEnvironmentalPolicyAct,Chapter43.21CRCW.SEPAislegislationwlilchrequfresevaluationofenvironmentalimpactsassociatedwithaprojectoranagencyactionpriortoapproval.TheSEPARules,Chapter191-11WAC,aretheimplementingregulationsthatidentif’standardprocedurestobeusedinevaluatingaproject’senvironmentalimpact.AthresholddetemdnationisrequiredforanyactionthatisnotcategoricallyexemptundertheSEPArules,BlackRiverQuarryfirstsubmittedanenvironmentalchecklisttoKingCountyonMarch15,1977.Subsequenttothereviewofthatchecklist,aDeclarationofNonsigrilficancewasissuedfortheproject(seeattachment8).ThesupportingenvironmentalchecklistandONSidentifiedtheoperationofarockquarryonthirtyacres.Operationsatthattimeincludedthedrillingandblastingofrockforprocessingatthesite,andhandlingàfrecycledmaterials.Inthetimesincethedeclarationwasissued,thescopeofworkoccurringatthequanysitehasremainedthesame.Theoperationdrillsblastsandprocessesaggregateandrecycledconcreteandasphaltforcommercialsale.F.ConclusionsThisperiodicreviewisofanexistingquanyingandrecyclingfacilityonapproximately32acresinunincorporatedKingCounty.Thesitewasinitiallypermittedin1971andhasbeeninoperationproducingaggregatefixcommercialsaleatthislocationsinceatleast1949.Page10 ThedecisiononthisperiodicreviewismadeinthecontextoftheKingCountyComprehenshrePlanadoptedin1994tosatisfytherequirementsofthestatewideGrowthManagementAct,RCWChapter36.7OA.Amongotherthings,theGMArequiredKingCountytodesignate:Mineralresourcelandsthatarenotalreadycharacterizedbyurbangrowthandthathavelongtermsignificancefortheextractionofnthwals,RCW36.70&170(c):KingCountydesignatedthispropertyasamineralresourceland.TheOMAftEthcrdirectscountiesnotonlytoinventoryanddesignatemineralresourcelandsbutalsotoconservethem,RCW36.70k180.KingCountyhasrespondedtothedirectionsoftheOMAthroughtheadoptionoftheKingCountyComprehensivePlan.Thisplanstates:Thiargemeasure,KingCounty’squalityoflifeisdependentuponthethoughtffilplaiwingandsoundmanagementoftheseNaturalResourceLandsto.ensuretheirlong-termconservationandproductiveuse... . .NaturalResourcetanØsandtheindustriestheysupportareconservedbyencouragiqgdevelopmenttoácàur,asenvis5onedbytheWashingtonStateGrowthMàiagementAct...”.jgCountyComprehensivePlan5:ThecomprehensiveplanrecognizesthefUndamentallinpoftanceofbasicindusb’isàichasthisquarryandpovidesthatthecountyseektoretain,sudhindustries.ComprehenivePlan.PolicyEd—202,p.80:The,comprehensiveplanthengoesontoestablishaftamework:ofspeciflc’policicswhosepurposeistoiuideboththedevelopmántandtheapplicationoflanduseregulationsastheyapplytothistypeofoperation.Thesepolicies;andthezgulatioOsthathavebeenadoptedtoimplementthesepolicies,aretheguidelinesthatKingCountymustapplytotits4easioninthispenodicreviewThecomprehensiveplanrecognizesthatnaturalresourceusessuchastheBlackRivetQuarrycreateunavoidableadverseimpactsonthesurroundingarea’Theconiprehensiveplandealswiththisinevitablecoi,flictbetweendifferentusesbymakingnaturalresourceusesapreferreduse,ComprehensivePlan.Policy—fl102.p5.,byrequiringnoticeQfthe’existenceofdesignatedresourceproductionareasbeprovidedtoownersofnearbypropertiesatthetimethatdevelopmentapprovalsonthosepropertiesisgrantedliiorderto:preventorminimizeconflicts,ComprehensiveP1a4Policy—aloS.p.2%andbyiovidingforthoroughenvironmentalreviewandtheuseofdevdopmóntal’condiUonstoreduce,totheextentpractical,theimpactsassociatedwithsuchnaturalresourceuses,SmprehensivePlan,PoJcy—EL411.p.111.Theplannotesthat:“Conflictwithsurroundinglandusesandenvironmentalproblemscanariseevenwiththebestofprecautions,Resource-basedindustriesneedreasohablecertaintythatoperationscancontimeifactivitiesareperformedinanenvironmentallysoundmanner.”ComprehensivePl?n,p.96.Inthiscontextandthecontextofapplicablecodesassetforthinsection0ofthisreport,andafteracompletereviewofthefilesandassociateddocuments,KlnCountyDUEShasdeterminedthefollowing:Page11 Noiseantbunp.QueradonWhiletherehavebethisolatedcomplaintsregardingnoiseemanatingfromthisoperationduringthelastseveralyeám,onsitespotchecksbydepartmentstaffhavenotrevealedanyinstanceswherethçapplicablenoisestandardshavebeetiexceeded.Howevez,thefiledoesnOtcómainanyspecificinformationregardingthisissuesuchasahoisesurveyandsitespecificaásssment,whichprovideáinfoñnationrelativetothisoperationandtheadjacentproperties.WhilethecurrentpermitconditionsallowOperationsfromthehoursOf7:00am.to7:00p,mMondaythroughSunday,withoutspecificinformationsupportingcontinuationofthesehoursandthe.operator’sassertionofanonconforming“grandththeredright”totwenty-fourhouradayoperationsnotwithstandingoperationsoutsideofthehourSprescribedinKtC1Z87.070cannotbesupported.Thereforegradingpermitcondition#0091ShaUberevisedtostate•.Theoperatiànmustconformtothenoiseordinance.Ifitisdemonstratedthatanextensionofoperatinghoursdoesconformtotheappliàablestandards,thehoursofoperationmayberevised.Untilthisisdemonstratedthehoursofoperationarelimitedtothehoursof7:00am.to7:00paMondaythroughFridayand9:00a.m..to10:00p.m.saturdayandSunday.Normalmaintenanceactivitiesmayoccuroutsideofthesehours.Equipmentwarm-upisalloweduptoone-halfhourpriortothe7:00am.start.BbslineAsnotedinSectionEofthisreport,thepermitconditionáregardingblastingwererevisedinlate1997toincludecondition#5102whichrequirestheoperatortoprovidetwenty-fourhournoticetoEmpireEstatespriortoanyblasting.Areviewofthefileandblastingnoticessenttotheapartmentcomplexandcopiedtothedepartmentevidencesacompliancewiththiscondition.Atthesametimethenoticeconditionwasaddedtothepemilt,condition5103establishedaseismographicmonitoringandreportingrequirement.TheapartmentcomplexhasrequestedDDESrequire.thepennftteetoprovidethesereportstothem.Whilethiswouldnotbeanappropriatepermitcondition,theoperatorcouldvoluntarilyprovidetherequestedrpoftstotheneighboringpropertyowner,Inanyevent,thelogsandreportsshallbemaintainedwiththefileatthedepartmentandareavailableforpublicviewing.AirQualityCondition#7020cuireffilyrequiresthatduringhaulingoperations,thepermitteeshallprovideeffectivedustcontrolmeasuresconsistingofwater,asphalttreatedbase,chemicaldustpalliatives,orequivalentmeasurestocontroldustfromtheoperatioaPage12 Inaddition,condition#0120téquiretheperfriitteetoabidebytheregulationsofthePugetSoundAirPollutionContiolAgency(PSAPCA).Whilethereviewofthepetmkandasitejnspection,duringpreparatidn.ófthisreportregardingthisissuedidñótrevealamAjorproblemconceminàdust,.fleadjacentapartmentcomplexhasstatedtheirconcern.IhasbeatdeterminedthatBlathRiverQuartydoesnotkeepthewatertmdkavailableatalltimes,Thewatertankandspraybársysteniinplaceföidustsuppressionontheconveyors,cmáher,án4screeningdeckswillcontinuetobdmAintainedandusedasnecessary.Therelbreanadditionalconditionshouldbeattachedtothepermitwhichstates:Pennifleeshalldevelopindimiilemnt.amitigationpithaddressingfUgitivedustsuppression.Theplanshallbesubbittedforreviewandapprovalwithinninety(90)daysofthefinalapjrovalofthisdecisionandwillbe.reviewedbyDOESthereafterduringsubsequentrenewalsfortheefficacyoftheplantodeternineifaddifionalconditionsand/ormitigationmayberequired.(thedepartmenthabeenprodedwiththePSAPCAifigitivedustcontrolplanforthisoperationandiscurrentlyreviewingit)Inaddition,permitteeshallprovideawaterthickonsiteatalltimesduringoperatinghours..LandUsePatternsAsnotedearlierinthisreport,thequarryhasbeeninoperationsinceapproximately1949,pre-dasinganyKingCounty’szoning.Areviewoflogandfilenotesfromthefirstfewyearsoftheoriginalpermitstresstheremotnatureofthesite.Consideringthegrowththathasoccurredsincethe1971issuanbeofthepermit,theareasurroundingthesitehas-remainedielativelyunchanged.ThesiteoperatedunderanMRzoneuntiladoptionofthenewzoning,Iand0,intheearly1990*5.Allnewdevelopmentinthisareahasbeenofacommercialorindustrialnature.TheparceldirectlyadjacenttoandnorthofthepitremainsundevelopedandEmpireEstatesApartments,builtin1970,alongtheeastendofthenorthpropertyline,providesthegreatestpotentialforlanduseconflictforthisoperation.Thefileconfirmsthatthedepartmenthasdoneanadequatejobofinspectionandenforcementofthepermitandpermitconditions.Inaddition,inresponsetoconcernsexpressedbyneighboringpropertyowners,thepermitconditionshavebeenrevisedtoaddressissuesastheyarise.However,filedocumentationoftheseactionshasbeeninadequate.Duringthenextyearthedepartmentwillbedevelopingnewproceduresandguidelinesfortheinspectionandenforcementofpermits,approvedplansandconditionsforminingsites.Theseprocedureswillincludefrequencyofinspections,responseprocedurestocomplaintsandproperfiledocumentation.Intheinterim,IamdirectingSheDevelopmentstafftocontinueinspectingandmonitoringthisoperationwithunannounced,spotinspectionsatleasttwicepamonth.Staffshallcontinuetomonitorforconformancetothcnoiseordinanceasneeded.SpecialPage13 attentionshallbegiventothatareaofthesitealongthenorthpropertylinetoensurethatnofortherencroachmentsintothebufferoccur.liiaddition,thefollowingconditionshallbeplacedonthepermit:InconformancewithKC.C.16.82.100.I&3,perntitteeshallmaintainafencealongthenorthpropertyline,Thefenceshallbenolessthanfivefeetinheightandthefencematerialshallhavenohorizontalopeninglargerthantwo•inches.Signsshallbeplaceduponthefenceatfiftyfootintervalsproviding,•atanilnimum,thefollowinginfonnation:Nameofoperation,awarningthatexplosivesareusedonthesite,thegradingpermitnumber,andthepitoperator’stelephonenumber.Therequirementsimposedthroughthisconditionshallbecompletedwithinninety(90)daysoffinalapprovalofthisdecisionorallotherworkshallceaseuntiltheseçequiremeñtsaremet,RedamadenKingCountyDDESwillcontinuetocoordinateoperationsatthissitewiththeWADNRminingpermittoensurethatredamationasapprovedbythestatewilloccurredasrequired.DrainaaeandWaterQuality-AreviewofthshebyDDESandKingCountyDNRstaffhasrevealedareasofconcern,specificallydischargefromthesiteinviolationoftheapprovedgradingplanandtheWADOENPDESpermit‘Asnotedearlierinthereport,theseissuesarebeingaddressedbytheoperatorincooperationwithDOE,Thedepartmentwill,expanditseflbftstocoordinateregulationofthesitewithKCDNRstaffresponsibleforwaterqualitymonitoringofindustrialsites.Inaddition,overallerosion-sedimentationanddrainagecontrolneedsimprovement.ThedeparunentwillcontinuetoworkwithKCDNKstaffinconjunctionwithDDESdrainagereviewenineerstoeff&allchangeswhichwillberequiredtobringthesiteintocompleteâonfonnancewithapplicabledrainageandwaterqualitystandards:Theoperatorhasbeennotifiedofthedefidenciesandhasstartedtotakeremedialstepstocorrectthejroblems.•‘Staffhasnotifiedtheopetatorthatacomprçheasivedrainageanalysismayrequiredtocompletecorrectiveactionsfortheproject.Inanyevent,thissitewillberequiredtocomplywiththeconditionsestablibedbytheWADOBpermitandshallbebroughtintocànformante,totheeictentpracticable,withtheKingCounty.SurfaceWaterDesignManual.Thedepartmentnormallyreviewsextrathveoperatioâasdoseddepréssionathatallownodrainagetoescapetheoperationsarea.Thissitedoesnotmeetthestandardforacloseddepressionandalleffortshouldbemadetocontaindrainageonlite.PageI4 Maxiiidutrialtva&edischargèpennitfiasbeenappliedforand4ppróvedforthebatch.plantonsite,thefruckwashareahiustbetiedintothesanitaiy.sewersystem.AnywaterfroththecrushingoperationthathasapHthatexceedstheNPDESpermitconditionsthiAstbedirectedtotheonsitesapitwysewersystem.SensitiveAnn.:.;:.Therearenosensitiveareasorassociatedsensitiveareabuffersorlháproperty.However,aspreviouslynoted,thesiteisincloseproximitytotheBlackRiverandtheii,adanforestarfl.Thefileindicatesthatatonetime,agreementwasreachedbetweentheoperatorandthedepartrnent,Ioestablishandmaintainabufferonthepermittedstèalongtherailoádright-of-way,Currently,nobufferexists,anditappeafsthatthefillon.thósiteextndsrecrthepropertylineinmanyareas.AssetforthinSectionE.aDeclarationofNon-SignificancewasissuedforBlackRiverQuanyonMarch15,1977(seeattachment8).Throughtheperiodicreviewprocessthedepartmenthas.copletedanextensivereviewoffidssiteforindicationsthatthescopeofwàrkincludedinthenotedNShaschangedorevolvedovertheintaveningperiod.IthasbeendeterminedthAttherehasbeennochangeinthescopeofworkoriginallyrevieweaLTheunderlyingpermitfortheprojectwasissuedin1971.Theinspectionrenewallicensehassincebeenrenewedannually.Itmustbeunderstoodthatthepermitforaminingoperationdoesnotexpire.Theannualinspectionactivitydoesandinitiatestheprocessprovidingforreviewandappropriatecondffioningoftheunderlyingpermitonanannualbasis.Withoutoutavalidinspectionactivity,orlicense,asitecannotopethe.WAC197-11-760license.‘license”meanswyformofwrittenpermissiongiventoanyperson,orgwzkation,oragencytoengageinwryactivity,asrequiredbylaworagencynile.AlicenseIndludesallorpartofanagencypenni4certificate,cçprovairegistration,ckwteiorplatapprovalsorrezonestofacilitateapwtcuiwproposaLThetermdxxnotincludealicenserequiredsoles5’forrevenuepwposes..WAC191-11-800Categoricalexemptions.TheproposedactionscontainedinPartNinewecaregorice4vexemptfromthrathoWdeterminationwdEtSrequirementssubjecttotheruleswit!limitationsoncategoricalexenlonicontainedinWAC•197-11-305.Further,WAC197-1l-800(14)Q)exempts”Therenewalorre&uwweofalicenseregulatlnjwrypresentactivityorstructuresolongasnomaterialchangesareinvolved”Theintentoftheperiodicreviewproccssistoprovideoppormnitytoconditionthegradingpermittoaddressissuesorproblemsrevealedduringthereview.ThisPagelS process,inconjunctionwiththereviewthatoccursduringtheannualrenewaloftheinspectionactivity,willallowforcontinuedoperationofthesitewithappropriatemitigatingpermitconditions.0.CommentsThedepartmentprovidedpartiesofinterestwithcopiesofthedraftdecisionattheendofMay.Asaresult,commentswerereceivedfromthreóoftheinterestedparties.CityofTukwila—Thecity’scommentwasprovidedverballytothedepartment.Theyindicatedthatafterreviewingthedocument,’theyhadnoconcernsorissueswithcontinuedoperationofthesite.BrianB.Lawler,AttorneythrEmpireEstatesApartments-Mr.LawlerprovidedwrittencommentinaletterdatedJune9,1998(seeattachment9).Helistedsevenissuesofcontinuingconcern:SEPA,StricterEnforcement,Noise,Blasting,Drainage/WaterQuality,DebrisPlies,andFences.SEPA-ThedepartmentpositionremainsnoadditionalSEPAreviewisrequiredfortheproject.SeeSEPAdiscussionunderconclusionssectionof•thisreport.•• .‘SthcterEnforcement-In’responsetoanothrletterfromMr.LawlerdatedJune26,1998,thedirectoragreedtoassignadditionalstafftomonitorcomplaintsregardingthesite.•Noise-Thepermifteewillbeconductingadditionalnoisemonitoringandsamplingoftheoperation.Priortotheassessmentbeingdone,thedepartmentshallcontactEmpireEstatesandidéntit’additionallocationswheremonitoringmaybeappropriate,.‘I•Blasting-.TheconditionsardinplacetoeffectbetterresultsregardingthisissutThroughadditionalinspectionandclosermonitoringbydepartment•.‘sjaftfrconformancetotheexistingconditions—notificatiOnrequirements.Blastingtestsareincorpotatedinto,thepermitfileandareavailabletointerestedpartiesasapartofthepublicrecord.DtáinagefWaterQuality-TleoperaioriswoiidngwithWADOBandhasachievedsubstantial,ifnotcompletecomplianceatthistime;’.DebrisPiles-ThedepartmentwilldiscusstheissueofthewoodydebriswiththeoperatorHowever,thepilesarcnotinviolationofthepermit,approvedplansorapplicablecodes.‘Page16 FencesThedepartment’sauthorityandlimitsontheauthoritytorequirethefencingalongthenorthpropertylineisspecificallysetforthinKCC16.82.100I&J.Thefenceandsignageisbeingrequiredasamatterofpublicsafetyandnotforvisualscreening;Therefore,justificationforafenceinexcessofthefivefootrequiredbycodecannotbesupported.DavidHalinen,AttorneyforStonewayRock&Recycling-Mr.HalinenprovidedcommentsonJuneit,1998.Theoperator’sconcernsweregenerallyregardingthehoursofoperation,WADOBissue,dustsuppressionandPSAPCAconcerns.H.DecisionKingCountyDDEShasestablishedgeneralconditionsofapprovalthatapplytothegradingandclearingpermitsitissues.Inaddition,thedepartmenthasreviewedandapprovedseveralproposeduarayoperationsinthelastfewyears.Sincemanyoftheimpactsofsuchoperationsaretypical,DDEShasdevelopedconditionsthatprovideanappropriatelevelofmitigationadthatarepracticaltoimplementandenforce,Theperiodicreviewprocessandsupportingfiledocumentation,includingareviewofthedetailedcommentsoftheadjacentapartmentcomplex,provideasufficientlevelofinformationfromwhichtoestablishconditions/mitigationstoensurethatthecontinuedoperationofBlackRiverQuarrywillbecompatiblewiththesurroundingen*onment.APPROVEDsubjecttoadditionalconditionscontainedinSectionF.TransmittedtothefollowingPartiesandPersonsofInterest:StonewayRockandRecyclingDavidHalinenEmpireEstatesApartments,AtfrKarenSkoldBrianLawlerHarryEllisDavidPierce,WADNRMarkCarey,ManagerLUSD,DDESCt%igHislop,LUSt),DUESLarryWest,LUSD,DUESManuelaWinter,LUSD,DDESRandySandin,SDSS,LUSD,ODESSueClarlçKCDNRGordonThomson,LUSt),DUESDirectorPage17 Attachments;Attachment1-PermitConditionsforBlackRiverQuarryAttachAient2-KCC21k22Mtachment3-KCC16.82Attachment4-KCC12.86Attachment5-Chapter18.44oftheRCWAttachment6-Inter-agencyAgreementAttachment7-WADOENoticeofViolationAttachment8-March151977DeclarationofNon-SignificanceandChecklistAttachment9-June9,1998CommentletterfromBñanLawlerThecompletefileandalldocumentsusedinthereviewandpreparationofthisreportareavailableforpublicviewing.YoumayanangetoreviewtherecordbycontactingtheLandUseDivisionRecordsSectionat(206)296-6640.Pleasereferencethepermitnameandnumberwhenmakingyourrequest;PaEe[18 RIGHTTOAPPEALThisactionmaybeappealedinwritingtotheKingCountyZoningandSubdivisionExaminer,withafeeof$125(CheckpayabletotheKingCountyOfficeofFinance).AsrequiredbyKCC20.244090andKCC20.24.090,appealsmustbefiledwithinfourteen(14)calendardaysfromthedateoftransmittal(issuanocofadecision).FilingrequiresactualdeliverytotheKingCountyLandUseServicesDivisionpriortothecloseofbusiness(4:30p.m.)onthedatedue,andacopymustbeprovidedtotheOfficeoftheHearingExaminer.PriormailingisnotsumcientifactualreceiptbytheDivisiondoesnotoccurwithintheapplicabletimeperiod.TheExaminerdoesnothaveauthoritytoextendthetimeperiodunlesstheDivisionisnotopenonthespecifiedclosingdate,inwhicheventdeliverypriortothecloseofbusinessonthenextbusinessdayissufficienttomeetthefilingrequirementOnceaNoticeofAppealhasbeenfiled,theappellantshallfileastatementofappealwithin15calendardaysfromthedateofissuanceofthedecision.Thestatementofappealshallidentifythedecisionbeingappealed(includingfilenumber)andtheallegederrorsinthatdecision.Thestatementofappealshallstate:1)specificreasonswhythedecisionshouldbereversedormodified;and2)thehaitisufferedoranticipatedbytheappellant,andthereliefsought.Thescopeofanappealshallbebasedprincipallyonmattersorissuesraisedinthestatementofappeal.Failuretotimelyfileanoticeofappeal,appealfee,orstatementofappealdeprivestheExaminerofjurisdicdontoconsidertheappeal.AppealsmustbesubmittedtotheDepartmentofDevelopmentandEnvironmentalServices,addressedasfollows:LANDUSEAPPEALLandUseServicesDivisionDepartmentofDevelopmentandEnvironmentalServices900OakesdaleAvenueSouthwestRenton,WA98055-1212Mypartymaymakearequestforapre-hearingconference.Formoreinformationregardingappealproceedingsandpre-hearingconferences,pleasecontacttheOfficeoftheHearingExaminerforaCitizens’GuidetotheExaminerHearingsand/orreadKCCOrdinance11502andKCC20.24.Page19