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Home My WebLink AboutPeriodicReview.4’tc,cacojdcrn4L%MtLO94-•sL%&.InconformancewithKCC21A.22.050andpursuanttothereviewprocessoutlinedinKCC21K’2.040-.090..ReviewTeam:FredWhite,-SDSU,DDES;KenGrUbbs,SDSU,DOES;ManuelaWinter,Zø4*wXa(SOSI,DDES;GordonThompsonSEPA,DDES;CraigHislop,Engineer,Ctht4bkODES;SueClarke,Engineer,WERD;DavidPierce,ReclamationEnghieerWSDNRBackground::BlackRiverQuarryisahardrockextractiveoperationlocatedonapproximately32acresat6900SouthBeacpnHillCoalMIneRoad:Theeightparcelswhichconstitutethepemfittedsitearezoned“FIndustrialand“0”Officewith“P”Propertyspecificdevelopmentstandardsand“SO”Specialdisthctoverlaydesignations.ThepreviouszoningforthissitewasMRAreviewofthehistoricfilerevealsthatthesitewasoperatedbyBladkRiverQuarry,Inc.,from1958untilMayof1988.ThefirstKingCountytemporarygradingpermittomine,permit#1112,wasappliedforbyBlackRiverQuarryonOctober8.1970andwasapprovedonFebruary19,1971.Theperrnitwasrenewedannuallyfromthatinitialapprovaltotransferofinterestin1988whenthesitewaseffectivelydividedintotwopartsandtransfefredtotwooperators,RentonConcreteRecyclingonthewesternhalfandStonewayontheeasternhalf.Becauseoftheseparateinterestsandownership,thenewownerswererequiredtoobtainsep4rategradingpermits(#3181-RentonConcreteRecyclersand#3180-Stoneway)andonceissued,theoldpermit,#1112wasclosed.RentonConcreteRecyclingwasannexedtotheCityofRenton,effectiveJanuary1,1997andfurtherrenewalandinspectionofthatsiteceasedwiththetransfertotheCity.TheStonewaysiteiscurrentlyoperatingunderpernilt#3180andisthesubjectofthisperiodicreview.ThesiteisoperatingundertheplanssubmittedforreiewbyStonewayonJanuar14,1991.TheseplansweretherevisionssubmittedasaresultdireviewcommentsbyourengineersandbyKCCDforadequacyoftheerosioncontrolplan.In.addition,theJanuary1991planreflectsthecommentsandreclamationrequirementsoftheWashingtonStateDepartmentofNaturalResources(WSDNR).Thesiteiscurrentlypermittedfor32acreswithIrnownreservesof1,800,000cubicyardsandannualproductionestimatedat50,000cubicyardsDuringthe1989-91review,thecurrentpennitwasreviewedforerosion-sedimentationcontrolanddrainagemeasures.TheissueofSEPAwaad4ressedbyutilizingtheDNSandsupportingchecklistfottheexistingpermit#1112.IhaveattachedtheONSandchecklistforyourreview.•.37)a)ftyIIQUARRY1?c%t4LW-e4L89G3130PERIODICREVIEW CurrentIssues:Trafficandroadimpacts:ThesitehasanextensivehistoryofdrainageproblemsrelativetothetrackingofmudontoMonsterRoadoutsideoftheentrance.Theprimaryfocusofthe89-91planreviewwastoaddressthismaterandasa.resultofthatplanreview,Stonewaywasrequiredtéinstallawheelwash,constructadditionalpondsandaddressthegeneralsitedrainageoverall.However,noformalreviewofthedrainageplanoccurred.Sinceimplementationofthenewrequirements,theincidenceofcomplainantsregardingthisissuehasdecreaseddramatically....Blasting:Asahardrockquarry,blastingoccursonaregularbasistoprovideproductforprocessing.ThepermitiscurrentlyconditionedtorequirecompliancewithKCCZ1A.22.070BwhichstatesthatblastingmustbeconductedinamannerthatisconsistentwiththeOfficeof•SurfaceMining’s(OSM)1987BlastingGuidanceManual.TheManualincludesperformance•standardsforairblastandgroundvibrationsandrecommendedmitigationSmeasures.Inaddition,inresponsetocomplaintsfromtheneighborstothenorth,EmpireEstatesApartments,wehaveamendedtheconditionstorequireblastingnoticeandmonitoringofblastswithsubmittaloftheménitoringreportstoDDES.Buffers:ThepennitteeencroachedextensivelyintothebufferalongthecommonpropertylinewithEmpireEstates.Asaresultofthisintrusion,Stonewaywasrequiredtosubmitabuffetrestorationplanwhichwasreviewedandafterrevision,approve&Implementationoftheplanisnotyetcomplete...Noise:Thereisnoevidenceintherecordofcomplaintsregardingnoiseatthesite.Withtheexceptionofblasting.Thereisalsonorecordofanypfeviousnoisesurveybeingcom1eted,howeverStonewaydidrecentlyconductnoisesamplingatthesiteinanticipationofextendingtheirhoursofoperation.Thesurveyhasnotbeensubmitted.ItisourintentiontoconductsamplingatthepropertylinesandetermineWanaddifldnalsurveyshouldbecompletedbythe•permittee.Dust:Thereisnorecordofdustbeinganissueorconpernwiththisproject.Reclamation:ThesiteplanwasrevisedtoaddressWSDNRconcernsduringthe89-91review.Thislistisnotintendedtobecomprehensiveandduringtheperiodicreviewprocessotherissueswhichrequireteviewmayarise.FinalNote:Thepropertyowneralongthenorthpropertyline(EmpireEstates)hasbeeninactivecommunicationwiththedepartmentforthelastthreeyearsregardingtheirconcernswiththisoperation.Thefilecontainsextensivecorrespondencewhichyoumaywishtoreview. Attachments:1.LogNotes2.Currentpermitandconditions3.Operatingplan4.1977and1981environmentalchecklists5.1977DNS6.1997bufferrestorationplanNote:Theoriginalpermit,#1112,isavailableforviewingonmicrofilminourLandUse:ServicesDivisionrecordscenteronthefirstfloorofDDES.Thecurrentpermit,#3180isavailablefromtheSiteDeveLopmentServicesSection. •ATTACHMENT1**CONDITIONSOFPERMIT/APPROVAL**DATE:05/28/98PAGE:1ActivityNo:C9001007TYPE:G—RENEWLodation:6900SBEACONHIlL-COALMINERD.GRADING/MININGGENERALCON])’S0030-Ifworkistobesuspendedfor30ormoreconsecutivecalendardays,permitteeshallnotifytheGradingSectionpriortothecessationofworkindicatingtheirintentiontodosoandalsopriortorestartingoperations.0040-workshallbelimitedtositeclearing,grading,andinstallationoftemporaryandpermanenterosioncontrolfacilities.Permanentdrainagefacilities,roadconstruction,pavementinstallation,andrelatedworkshallbeperformedunderotherpermits.0050-Workshallbelimitedtothatshownontheapprovedplansdateds)AnUo.XL\to1gg10080-AllworkshallcomplywiththeprovisionsofKingCountyOrdinance3139,relatingtonoisecontrol.0091—Hoursofoperationshallbelimitedto7:00ann.to7:00p.m.MondaythroughSunday.0120-PenitteeshallabidebytheregulationsofthePugetSoundAirPollutionControlAgency(PSAPCA).0140—Youmustcall1—800—424-5555notlessthan48hoursbeforebeginningexcavationwhereanyundergroundutilitiesmaybelocated.Failuretodosocouldmeanbearingsubstantialrepaircosts(uptothreetimesthecostofrepairstotheservice).0170-ANationalPollutantDischargeEliminationSystem(NPDES)permitforsurfacewaterdischargeandjoraTemporaryWaterQualityModificationpermitmayberequiredforthisproject.ContacttheWashingtonStateDepartmentofEcologyat(206)649—7000forinformation.0500-Acopyoftheapprovedplans,conditions,andpermitmustbeonthejobsitewheneverconstructionisinprogress.1130—Allfillshallbeclean,earthenmaterialwhichhasnorockorsimilarirreduciblematerialwithamaximumdimensiongreaterthan18inches.1150-Thetopsandthetoesofcutandfillslopesshallbesetbackfrompropertyboundariesasfarasnecessaryforsafetyoftheadjacentpropertiesandtopreventdamageresultingfromwaterrunofforslopeerosion. **CONDITIONSOFPERMIT/APPROVAL**DATE:05/28/98PAGE:2ActivityNo:C9001007TYPE:C-RENEWLocation:6900SBEACONHILL-COALMINERD.1160-Thetopsandthetoesofcutandfillslopesshallbesetbackfromstructuresasfarasisnecessaryforadequacyoffoundationsupportandtopreventdamageasaresultofwaterrunofforslopeerosion.2010-Approvalofthiserosion/sedimentationcontrol(ESC)plandoesnotconstituteanapprovalofpermanentroadordrain—agedesign(e.g.sizeandlocationofroads,pipes,restrictors,channels,retentionfacilities,utilities,etc.).2050—TheESCfacilitiesshownonthisplanaretheminimumrequirementsforanticipatedsiteconditions.Duringtheconstructionperiod,theseESCfacilitiesshallbeupgraded(e.g.additionalsumps,relocationofditchesandsiltfences,etc.)asneededforunexpectedstormevents.2110—Stabilizedconstructionentrancesandwashpadsshallbeinstalledatthebeginningofconstructionandmaintainedforthedurationoftheproject.Additionalmeasuresmayberequiredtoensurethatallpavedareasarekeptcleanforthedurationoftheproject.(RCW46.61.655.)2160-Temporarysedimentcontrolfacilitiesshallbeconstructedinaccordancewiththedetailsshown.Temporarysedimentcontrolfacilitylocationsmaybemovedtosuitfieldconditionssubjecttoapprovaloftheengineerandapplicablegovernmentalagencies-2200-Theerosionandsedimentationcontrolsystemsdepictedonthisdrawingareintendedtobeminimumrequirementstomeetanticipatedsiteconditions.Asconstructionprogressesandunexpectedorseasonalconditionsdictate,thepermitteeshouldanticipatethatmoresiltationandsedimentationcontrolfacilitieswillbenecessarytoensurecompletesiltationcontrolontheproposedsite.Duringthecourseofconstruction,itshallbetheobligationandresponsibilityofthepenitteetoaddressanynewconditionsthatnaybecreatedbyhisactivitiesandtoprovideadditionalfacilitiesoverandaboveminimumrequirementsasnaybeneededtoprotectadjacentpropertiesandwaterqualityofthereceivingdrainagesystem’.4010-upontheexhaustionofmineralsormaterialsorthepermanentabandonmentofthequarryingorminingoperation,allbuildings,structures,apparatus,orappurtenancesaccessorytotheoperationwillberemovedorotherwisedismantledtothesatisfationofthedirector.4041-Alldisturbedareasshallbeplantedwithtrees,shrubs,legimes,orgrasses,andsaidflorashalbesoselectedtobeindigenoustothesurroundingarea.Thisconditionshallapplytothepitflooronly. CONDITIONSOFPERMIT/APPROVAL**DATE:05/28/98PAGE:3ActivityNo:C9001007TYPE:G—RENEWLocation:6900S.BEACONHILL-COALMINERD.4050-Excavationsshallbereclaimedinamannerwhichwillnotallowwatertocollectandpermitstagnantwatertoremain.Suitabledrainagesystemsapprovedbythedirectorshallbeconstructedorinstalledifnaturaldrainageisnotpossible.4110—Excavationsnotmadetoawater-producingdepthshallbegradedorbackfilledinamannertoencouragetheusespermittedwithintheunderlyingzoneclassification.Specifically:a)Gradingorbackfillingshallbemadewithnon—noxious,nonflammable,noncombustiblesolids;b)Thepeaksanddepressionsoftheareashallberáducedtoagentlyrollingtopographyinsubstantialconformitytothelandareaimmediatelysurroundingandwhichwillminimizeerosion-4120-Whereminingisbyopenpit,bench,orquarrymethods,reclamationshallbeperformedinthefollowingmanner:a)Slopesbetweensuccessivebenchesshallnot,inunconsolidatedmaterial,besteeperthan1and1/2foothorizontalto1footvertical,andshallbetopsoiledandrevegetated;b)Slopesbetweensuccessivebenchesinconsolidatedmaterialshallhavenoprescribedangleofslope,andnoattemptneedbemadetoresurfaceorplant;c)AllslopesinconsolidatedmaterialshallbescaledoflooserockpertherequirementsofMSHA;d)BenchwidthandspacingshallbeasshownonthereclamationplanasmaybeamendedbyKingCountyandtheWashingtonStateDepartmentofNaturalResources.5010-Roadaccesstositesdevelopedforminingorquarryingofmineralsormaterialsshallbecontrolledbymeansofagate.Asignwarningofhazardousconditions,ifsuchexist,shallbeaffixedtothegateorplacedinaconspià—uousmannernearthegate.IfthepropertyhasanexteriorboundarylinewhichisacommonpropertylinewithdevelopedRor$classifiedproperty,thenasolidwallorfencenotlessthan5feetinheightshallbeinstalledandmaintained.(KCC21.42.030A.)5021-Miningandquarryingshallbepermittedtowithin15feetofanypropertylineotherthanQ-Mzonedpropertyprovidedthatsuchminingorquarryingdoesnotimpairlateralsupportorcauseearthmovementstoextendbeyondthepropertyline.5042—NoblastingshallbeallowedunlessotherwiseapprovedbytheKCH4O.Ifblastingisallpwedpursuanttothiscondition,itshallcontorttoconditions5050,5060,5070,and5080. **CONDITIONSOFPERMIT/APPROVAL**DATE:05/28/98PAGE:4ActivityNo:C9001007TYPE:C—RENEWLocation:6900SBEACONHILL-COALMINERD5050-Blastingandallotheractivitiesshallbesoconductedthatgroundvibrationsmeasurednexttostructuresorbuildingssituatedonadjacent“R”or“S”propertydonotexceedthemaximumamplitudeofgroundvibrationsasrelatedtofrequenciesofvibrationssetforthinthefollowingtable:•(KCC21.47.100[A).)•TableofFrequency—.AmplitudeRelationsFrequencyofGroundMotionMaximumAmplitudeofGroundinCyclesperSecondMotion,inInchesupto10.--•.•a,notmorethan0.030520aaaaaaaa•.Saa.aS.Iaaaa0.015330aa.a.e.a.aaaap...a..aa0.010240...0.007650...-0.0061600.00515060-Wheregroundfrequencyanddisplacementcharacteristicsinrelationtoknownquantitiesofdetonatedexplosiveshavebeendeterminedbyinstrumentation,usingeitheranaccelo-.graphoraseismograph,theallowablequantityofexplosivesusedinrelationtodistancemaybeestablishedbytheformula:22(50/0)CK1whoreD=Distancefromtheblastinfeet.CQuantityofexplosivedetonatedinstantaneouslyinpoundsK=GroundtransmissionconstantTheenergyratiothusdeterminedshallnotexceed1,andallmeasurementsshallbetakenatthemostcriticallocation.(KCC21.42.1005.)5070-Whengroundcharactcristicsforanyspecificblastinglocationhavebeendeterminedbyinstrumentation,specialexplosivesquantitylimitsforthatlocationmaybeapproved•bytheKingcountyengineer,ifsaidlimitsarecomputedandcertifiedbyaqualifiedvibrationmeasurementspecialist.(KCC21.42.100C.)5080-Intheabsenceofapprovedmethodsofinstrumentationtorestrictvibrationtothelevelsspecifiedintheforegoingtable,thequantityofexplosivesusedinblastingshallnotexceedthefollowing:Quantity-DistanceTableDistancefromtheblastareatothenearestMaximumquantityofexplosivesbuilding,neithermineorpershotforinstaneousfiring.quarry—owned,normineororperdelayfordelayfiring,quarry-leasedinfeetinpoundsNormalAbnormaloverburdenoverburden(1)100SeeIn(2)340SeóFn(3)70(SeeFri(4)200••420seeIn(5)78(seeIn(6)300525100400635125 **CONDITIONSOFPERMIT/APPROVAL**DATE:05/28/93PAGE:5ActivityNo:C9001007TYPE:G—RENEWLocation:6900SBEACONHILL—COALMINERD.50080016060095020070011752458001500300900183036010002250430120035006101400820160012501800190020003000Footnote(1)Abnonaloverburdenisthatwhichisunusuallydeep(morethan50feettobedrock),hasawatertablenearthesurface,orisspcomposedastobespongy,flexible,orreverberant.Footnote(2)100feetshallbetheminimumallowabledistancewhenappravedmissileprotectionmethodsateused.Footnote(3)Nomorethan10poundsofexplosivematerialshallbeplacedinanysinglecharge.Footnote(4)Nomorethan5poundsofexplosivematerialshallbeplacedinanysinglecharge.Footnote(5)Nomorethan20poundsofexplosivematerialshallbeplacedinanysinglecharge.Footnote(6)Nomorethan8poundsofexplosivematerialshallbeplacedinanysinglecharge.(KCC21.42.100D..)5100—MaximumallowabledaytimesoundpressurelevelsasmeasurednexttooccupiedbuildingsorstructuressituatedonadjacentRorSpropertyshallnotexceedthefollowingstandardsatleast90%ofthetimebetweenthehoursof5:00a.m.and10:00p.m.SoundPressureLevelsSoundpressurelevelinFrequencybandindecibelsre0.0002cycles/secondmicrobar25—300SO300—2400..........70Above2400................60Maximumallowablenighttimesoundpressurelevelsasmeasurednexttooccupiedbuildingsorstructuressituatedonadjacent“R”orUS”propertyshallnotexceedthefollowmgstandardsatleast90%ofthetimebetweenthehoursof10:00p.m.and5:00a.m.SoundPressureLevelsSoundpressurelevelinFrequencybandindecibelsre0.0002cycles/secondmicrobar25—300’............70300—2400...........63Above2400.........•...55SoundpressurelevelsshallbemeasuredbyasoundlevelmeterandassociatedoctavebandfiltermanufacturedaccordingtostandardsprescribedbytheAmericanStandards **CONDITIONSOFPERMIT/APPROVAL**DATE:05/28/98PAGE:6ActivityNo:C9001007TYPE:G—RENEWLocation:6900SBEACONHIlL—COALMINERD.Association.(KCC21.42.050.)5102—PermitteeshallnotifyEmpireEstatesApartmentstwenty-four(24)hourspriortoanyblasting.5103-PenitteeshallsubmittoKingCo.D.D.E.S.SiteDev.Servicesforreviewallseismographreportsrecordedduringblastingoperations.Reportsmustbesubmittedwithinten(10)workingdaysafterblasting.5110—odorsfromgasesorotherodorousmattershallnotbeemittedinquantitiesastobeunreasonablyoffensivebeyondtheexteriorpropertylines.(KCC21.42.060.)5120—Toxicgasesandmatterèhallnotbeemittedinquantitiesdamagingtohealth,toanimals,vegetationorpropertybeyondtheexteriorpropertylines.(KCC21.42.070.)5130-Dust,dirt,andflyashorairbornesolidsfromanysourceshallnotbeemittedinquantitiesastoadverselyaffectadjacentproperty.(KCC21.42.080.)5160-Fencing,whererequiredbythedirector0toprotectlife,limb,andpropertyshallbeinstalledwithlockablegateswhichzustbeclosedandlockedwhennotworkingthesite.Thefencemustbenolessthan5feetinheight,andthefencematerialshallhavenohorizontalopeninglargerthan2inches.7020-Duringhaulingoperations,penitteeshallprovideeffective.dustcontrolmeasuresconsistingofwater,asphalttreatedbase,chemicaldustpalliatives,orequivalentmeasurestocontroldustfromthisoperation.7030-TopreventtrackingofmudandrocksontoKingCountytoadsandtocomplywithRCW46.61.665(4),permitteeshalluseatechniqueapprovedbyKingCountywhichiscapableofcleaningwheels,tires,andvehicleundercarriages.7040-permitteeshallberesponsibleforimplementingallappropriatemeasuresneeded(i.e.paving,sweepers,and/orothertechniques)tokeepstreetsandroadsusedashaulroutesforexportorimportofmaterialcleanandfreefromdebris,mud,etc.7060—Aflush.truckand/orstreetsweepershallbeoncallduringbattlingoperationstomaintaintheroadwaycleanofmudanddebris.