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HomeMy WebLinkAboutAdministrative Variance Report.Decision_SCL Overhead Creston Talbot Fiber Project_15-000710DEPARTMENTOFCOMMUNITYANDECONOMICDEVELOPMENTb)ADMINISTRATIVEVARIANCEREPORT&DECISIONA.SUMMARYANDPURPOSEOFREQUESTREPORTDATE:November17,2015ProjectName:SeattleCityLight(SCL)OverheadCreston-TalbotFiberProjectVarianceProjectNumber:LUA15-000710,V-AProjectManager:KrisSorensen,AssociatePlannerOwner:SeattleCityLight(SCL),7005thAye,Suite3200,SeattleWA,98124-4023Applicant:DirkFrailey,HDR,1001SW5thAye,Suite1800,PortlandOR,97204Contact:MarissaGifford,HDR,500108thAveNE,Suite1200,BellevueWA,98004ProjectSummary:TheapplicantrequestsanAdministrativeVariancetocollocateanewoverheadfiberopticcablelinetoexistingoverheadelectricaltransmissionsupportstructures.ThetransmissionstructuresarewithinaSeattleCityLight(SCL)utilityeasementcorridor.ThevariancerequestistoallowthenewcommunicationslinetobeinstalledoverheadandnotbeinstalledundergroundasrequiredbyRMC4-6-090G.ThelineisproposedfromtheCrestonNelsonsubstationinSeattletotheTalbotHillsubstationinRenton.Thecablewouldextendapproximately2.5mileswithinRentonboundaries.TheeasementcorridorislocatedwithintheResidentialMulti-Family(RMF),Residential-8(R8),Residential-lO(R-10),CommercialArterial(CA),andCommercialOffice(CO)zonedesignations.Thenewcablewouldextendoverprivateandpublicproperties.Thenewlinewouldattachtotheexistingsteelpoleandsteellatticetransmissionlinesupportstructures.Nositeoraccessimprovementsareanticipatedandgrounddisturbancewouldbeminimal.Workareaswouldbeapproximately150radialfeetaroundeachpowerstructure.ConstructionisanticipatedtobegininNovember2015andbecompletedinDecember2015.ProjectLocation:ExistingutilitytransmissioncorridorbetweentheCrestonNelsonsubstationinSeattleandtheTalbotHillsubstationinRenton.EasementCorridorSF:2,640,000SFProposedNewBldg.Area(footprint):N/ASiteArea:2,640,000SFN/ATotalBuildingAreaGSF:Af__-.%lJe‘..c,.. , .ProjectLocationMapVarianceReport_15-000710 CityofRentonDepartmentofCommunity&EconomicDevelopmentAdministrativeVarianceReport&DecisionSCLOVERHEADCRESTON-TALBOTFIBERPROJECTVARIANCELUA15-000710,V-AReportof:Novemberl7,2015Page2of6LB.PROJECTDESCRIPTION/BACKGROUND:TheapplicantisproposingtocollocateanewfiberopticlineonexistingoverheadtransmissionstructureswithinaSCLutilityeasementratherthanunderground.TheSCLutilitycorridorislocatedwithinresidentialandcommercialzonedesignations.Theproposedall-dielectricself-supporting(ADSS)fiberopticlinewouldextendapproximately5milesintotal,betweentheCrestonNelsonsubstationinSeattletotheTalbotHillsubstationinRenton,withapproximately2.5mileswithinCityboundaries(Exhibit3).Thenewfiberopticcableisacommunicationslinethatprovidesinformationfromtheelectricalgrid,asecuritysystem,andapathwaytocontrolelectric‘traffic’flowbetweendifferentutilitiesthatusetheelectricinfrastructure.MajoroverheadcrossingsincludeBurlingtonNorthernrailroadarea,theInterstate405freeway,andstreetrights-of-way.Thenewlineisproposedatasimilarheightasotherexistingcablelinesontheoverheadstructuresatapproximately40feetandabove(Exhibit6).TheCity’sundergroundingregulations(RMC4-6-090G)requiretheinstallationofnewelectricalorcommunicationfacilitiestobeinstalledunderground.Therefore,theproposednewlineshouldbeundergrounded.TheportionoftheproposednewoverheadcablewouldbeginneartheintersectionofS130thand84thAveS(Exhibit4).ThecablewouldthentravelinasoutheasterndirectiontowardtheCityViewChurchparkinglot,northoftheintersectionofSWLangstonRdandHardieAveSW.ThecablewouldthencontinuesoutheastacrossSWSunsetBlvdandthroughtheRentonFredMeyerShoppingCenterparkinglot.ThecablewouldcontinuesoutheastacrossRainierAve5,SGradyWay,and1-405beforeturningdueeast.TheremaininglengthoflinewouldthentravelupthehillandterminateattheTalbotHillsubstation.Theproposeddesignwouldattachthecabletoexistingsteelpoleandlatticetransmissionlinestructures.Aconstructioncrewwouldaccesseachtransmissionstructuresitetoattachthecableandrequiredhardware.Theanticipatedworkareaaroundeachexistingsupportstructuresitewouldbeapproximately150radialfeetinworkareastheutilityhaspreviouslyused.Collocatingthenewcableoneachstructurerequiresspecialvehicles,equipment,andtrainedlinemen.Theproposedoverheadlinewouldcrossgeologicandothercriticalareas.WaterfeaturesundertheexistingutilitylinearethestreamclassificationsThunderHillsCreekTypeNp,RollingHillsPipedCreekTypeNp,andCulvertTypeNsalongRentonAve5,andtheFloodHazardAreaintheRentonVillageShoppingCenterarea.Geologicalfeaturesalongtheexistingutilitycorridorandunderestablishedsupporttowersaremoderateandhighlandslideareas,highandmoderatecoalmineareas,seismicarea,andsensitiveandprotectedslopes.L:EXHIBITS:Thefollowingexhibitswereenteredintotherecord:Exhibit1:StaffReport,datedNovember172015Exhibit2:LegalDescriptionofSCLEasementandAssociatedParcelsExhibit3:SitePlanExhibit4:RequestforVarianceExhibit5:ConstructionMitigationDescriptionExhibit6:PlanandProfileExhibit7:CriticalAreasMapsExhibit8:ZoningDesignationsMapVarianceReport_15-000710 CityofRentonDepartmentofCommunity&EconomicDevelopmentAdministrativeVarianceReport&DecisionSCLOVERHEADCRESTON-TALBOTFIBERPROJECTVARIANCELUA15-000710,V-AReportof:November17,2015Page3of6D.FINDINGSOFFACT(FOF):Havingreviewedthewrittenrecordinthematter,theCitynowmakesandentersthefollowing:1.Request:TheapplicanthasrequestedanadministrativevariancefromRMC4-6-090GtoinstallanewcommunicationutilitylineonexistingSCLoverheadutilitysupportstructuresforanapproximate2.5miledistancewithinCityofRentonboundariesinsteadofundergroundingtheline.2.AdministrativeVariance:Theapplicant’sadministrativevariancesubmittalmaterialscomplywiththerequirementsnecessarytoprocessavariancerequest.Theapplicant’sproposedplanandprofileareprovidedasExhibits3through6.3.ExistingLandUse:ThesubjectSCLutilityeasementcorridorisapproximately2.5mileswithinCityofRentonboundariesthatarelocatedonresidentialandnon-residentialpropertiesandpublicrights-of-way(Exhibit8).4.Zoning:Thesubject2.5milesofeasementiswithintheResidentialMulti-Family(RMF),Residential-8(R-8),Residential-lU(R-1O),CommercialArterial(CA),andCommercialOffice(CO)zonedesignations(Exhibit8).5.Topography:Theeasementcorridorvariesintopography,withrelativelyflatareasneartheRentonShoppingCenterandRainierAveScrossingtomoresteepslopedareaswherethelinecomesintoRentonfromunincorporatedKingCountyandwherethelinecrossestheInterstate405freewayandheadseasttoTalbotHill(Exhibit7).6.LotsandBuildingSize:TheproposedcablelineiswithinanSCLeasementcorridorapproximately2,640,000squarefeetinarea.Thenewlinewouldextendapproximately2.5mileswithinRentonandbecollocatedonexistingSCLtransmissionsupportstructures.E.CONSISTENCYWITHVARIANCECRITERIA:RentonMunicipalCodesection4-6-090G.2“UtilityLines—UndergroundInstallation—VarianceProcedures”liststhreecriteria(a,b,andc)thatthePlanningDirectorisaskedtoconsider,alongwithallotherrelevantinformation,inmakingadecisiononanAdministrativeVarianceapplication.Theseincludethefollowing:Undergroundrequirementsmaybewaivedbyavarianceonlyiftheutilityowner,user,oranyotheraffectedpartycandemonstrateanunduehardshipintheplacementoffacilitiesunderground.Thecriteriatodetermineifthereisanunduehardshipare:a.Thereisatechnologicaldifficultyassociatedwiththeparticularfacility,ortheparticularrealpropertyinvolved,or:Theapplicantcontendsthatpracticaldifficultiesexistinconsideringundergroundingtheproposednewutilityline.Theapplicantstatesthattoinstallthefiberopticlineundergroundwouldrequiredirectionalboringunderdeveloped/improvedpropertiesincludingparkinglots,streets,andhighways(Exhibit4).ThesestreetsandhighwaysincludeInterstate405,RainierAve5,andSWSunsetBlvd.Theapplicant’sproposeddesign(Exhibit6)istoinstallanattachmentpointontheexistingsupportstructuresandstringthecablethroughhangers.Theapplicantcontendsboring2.5milesundergroundofdevelopedpropertieswouldrequirespecializedmachinesandcouldcauseproblemsorconflictswithexistingundergroundknownandunknownutilities.VarianceReport_15-000710 CityofRentonDepartmentofCommunity&EconomicDevelopmentAdministrativeVarianceReport&DecisionSCLOVERHEADCRESTON-TALBOTFIBERPROJECTVARIANCELUA5-000710,V-AReportof:November17,2015Page4of6Staffhasreviewedtheapplicant’sresponsetoreviewcriteria“a”andconcursthatexplorationof,andboringofanewundergroundutilityrouteforasinglenewcablecouldcauseconflictswithexistingknownandunknownutilitieswithinthehighlydevelopedCityCenterarea.Additionally,thesinglelineifrequiredtobeundergrounded,wouldrequirecrossingmultiplecriticalareasincludingsteepslopesandastreamalongInterstate405(Exhibit7).b.ThecostofundergroundingsuchafacilitywhichisdeemedbytheAdministratortooutweighthegeneralwelfareconsiderationimplicitinundergroundinstallation,or:TheapplicantcontendsthattheexistinglevelofimprovementsanddevelopmentwithinRenton,wherethenewcablewouldbelocated,wouldaddsignificantcosttoundergroundingascomparedwithundergroundingwherethelandhasnotbeenimproved(Exhibit4).Thecosttoundergroundcomparedwithcollocationasproposedissignificantwhere“estimatesputitroughly8to11timesmore[cost]thantheconstructioncostforstringingitoverhead”(Exhibit4).Theapplicantstatesthatcostsrelatedtoundergroundingwouldincludecompletingasubsurfaceutilityexplorationtolocateexistingutilitiesandobstructionsalongtheroute,directionalboringoftheroute,installationoftheconduitandcable,repairsoftheborelocations,andcleanup.TheintentoftheproposalistohaveSCLdotheoverheadstringinginhousewhereundergroundingwouldrequirespecialconstructioncrewforasignificantcostincrease.Staffhasreviewedtheapplicant’sjustificationofreviewcriteria“b”andconcurswiththeiranalysis.Basedontheinformationsubmittedbytheapplicant,staffanticipatesthatanewungroundedsinglecablelinewouldmultiplycostsoftheprojectupwardsofeighttimesorgreaterthecostoftheproposedcollocationalternative.c.Thegrowthpatternoftheareahasnotbeensufficientlyestablishedtodeterminetheultimateservicerequirementsofmajorserviceroutes:TheapplicantcontendsthattheproposedcablelinewouldprovideavitaldatacommunicationlinkforSCL’scurrentandfutureneedsandfortheneedsofneighboringutilities(Exhibit4).Additionally,theapplicantstatesthattheproposal:.SupportssecurityandredundancytotheestablishedSCLtransmissionline,.Providesapathwaytoyieldusageforotherutilities,and.Providestechnologicalprogresswiththeuseoffiberopticstomaintaintheelectricalgrid.Staffhasreviewedtheapplicant’sjustificationoftoreviewcriteria“c”andalthoughtheapplicantdidnotdirectlyaddressthegrowthpatternofthearea,theapplicantdidprovideresponsethatthenewlinewouldsupporttheexistingSCLelectricgridsystemwiththetechnologicalupgrade.VarianceReport_f5-000710 CityofRentonDepartmentofCommunity&EconomicDevelopmentSCLOVERHEADCRESTON-TALBOTFIBERPROJECTVARIANCEReportof:November17,2015AdministrativeVarianceReport&DecisionLUA15-000710,V-APage5of6F.CONCLUSIONS:j1.ThesubjectsiteisaSeattleCityLightutilityeasementcorridorthatextendsfromunincorporatedKingCountynear84thAveSandNW3rdst,inasoutherlydirectiontowardsSGradyWay,andinaneasterlydirectiontowardstheTalbotHillSCLsubstation.ThesubjectutilityeasementcorridorislocatedwithintheResidentialMulti-Family(RMF),Residential-8(R-8),Residential-lO(R-1O),CommercialArterial(CA),andCommercialOffice(CO)zonedesignations.2.TheutilitylinesandundergroundinstallationregulationsofRMC4-6-090requiresthatallnewelectricalorcommunicationfacilitiestobeinstalledunderground.Theapplicantisrequestingapprovaltocollocateanewfiberopticcommunicationcablelinewithinanexistingutilitycorridor.3.TherequestedvariancemeetsthethreecriteriatobeconsideredinmakingadecisiononavariancerequestforundergroundinstallationasspecifiedinRMC4-6-090G.TheanalysisoftheproposalaccordingtovariancecriteriaisfoundinthebodyoftheStaffReport.G.DECISION:TheAdministrativeVariancefortheSCLOverheadCreston-TalbotFiberProject,FileNo.LUA15-000710,isapproved:DATEOFDECISIONONLANDUSEACTION:SIGNATURE:)L(H‘JenniferHenning,PlanningDirectorDepartmentofCommunity&EconomicDevelopmentTRANSMITTEDthis17thdayofNovembet,2015totheOwner/Applicant/Contact:DateOwner:SeattleCityLight7005thAye,Suite3200Seattle,WA98124-4023Applicant:DirkFrailey,HDR1001SW5thAye,Suite1800Portland,OR97204Contact:MarissaGifford,HDR500108thAveNE,Suite1200Bellevue,WA98004TRANSMITTEDthis17thdayofNovember,2015tothePartiesofRecord:K.Gilbert16035.EagleRidgeDtSuite#2Renton,WA98055TRANSMITTEDthis17thdayofNovembet,2015tothefollowing:ChipVincent,AdministratorBrianneBannworth,DevelopmentEngineeringManagerJonConklin,DevelopmentServicesVonessoDolbee,CurrentPlanningManagerFireMarshalVarianceReport_15-000710 CityofRentonDepartmentofCommunity&EconomicDevelopmentAdministrativeVarianceReport&DecisionSCLOVERHEADCRESTON-TALBOTFIBERPROJECTVARIANCELUA15-000710,V-AReportof:November17,2015Page6of6LANDUSEACTIONAPPEALS,REQUESTFORRECONSIDERATION,&EXPIRATIONTheadministrativelandusedecisionwillbecomefinalifthedecisionisnotappealedwithin14daysoftheeffectivedateofdecision.APPEAL:ThisadministrativelandusedecisionwillbecomefinalifnotappealedinwritingtotheHearingExamineronorbefore5:00PMonDecember1,2015.Anappealofthedecisionmustbefiledwithinthe14-dayappealperiod(RCW43.21.C.075(3);WAC197-11-680).AppealstotheExamineraregovernedbyCityofRentonMunicipalCodeSection4-8-110.AdditionalinformationregardingtheappealprocessmaybeobtainedfromtheRentonCityClerk’soffice,RentonCityHall—7thFloor,(425)430-6510.Appealsmustbefiledinwriting,togetherwiththerequiredfeetotheHearingExaminer,CityofRenton,1055SouthGradyWay,Renton,WA98057.RECONSIDERATION:Within14daysoftheeffectivedateofdecision,anypartymayrequestthatthedecisionbereopenedbytheapprovalbody.Theapprovalbodymaymodifyhisdecisionifmaterialevidencenotreadilydiscoverablepriortotheoriginaldecisionisfoundorifhefindstherewasmisrepresentationoffact.Afterreviewofthereconsiderationrequest,iftheapprovalbodyfindssufficientevidencetoamendtheoriginaldecision,therewillbenofurtherextensionoftheappealperiod.Anypersonwishingtotakefurtheractionmustfileaformalappealwithinthe14-dayappealtimeframe.EXPIRATION:Thevariance(s)approvalwillexpiretwo(2)yearsfromthedateofdecision.Avarianceone(1)yearextensionmayberequestedpursuanttoRMC4-9-250B.17.THEAPPEARANCEOFFAIRNESSDOCTRINE:providesthatnoexparte(privateone-on-one)communicationsmayoccurconcerningthelandusedecision.TheDoctrineappliesnotonlytotheinitialdecision,buttoAppealstotheHearingExamineraswell.Allcommunicationsafterthedecision/approvaldatemustbemadeinwritingthroughtheHearingExaminer.Allcommunicationsarepublicrecordandthispermitsallinterestedpartiestoknowthecontentsofthecommunicationandwouldallowthemtoopenlyrebuttheevidenceinwriting.AnyviolationofthisdoctrinecouldresultintheinvalidationoftheappealbytheCourt.VarianceReport15-000710 EXHIBIT2SCLOverheadCreston-TalbotFiberProjectRequestforVariancefromUndergroundingUtilityLineLegalDescriptionSCL’seasementforthisprojectareaisgenerallydescribedas:Approximately300footwidetransmissioneasementwithinCityofRenton,beginningintheNWquarterofSection18,Township23N,Range05E;andendingatTalbotSubstationintheNWquarterofSection20,Township23N,Range05E(address2400PugetDriveSE,Renton,WA98055).Pleaseseetheattachedfiguresforadepictionoftheeasement.ListofParcelsAlistofparcelsisprovidedbelowfromKingCounty(2014)forSCL’seasementwithintheCityofRenton..0007200126•1823059166•1823059266•0007200149•1823059168•1823059267•0007200151•1823059169•1847200005•0007200190•1823059170•1847200010•0007200209•1823059176•1847200045•1223049016•1823059177•1847200055•1823059006•1823059179•1847200070•1823059018•1823059180•1847200090•1823059021•1823059182•1847200095•1823059022•1823059183•1847200105•1823059023•1823059185•1923059031•1823059033•1823059186•1923059032•1823059034•1823059188•1923059043•1823059050•1823059189•1923059054•1823059052•1823059191•1923059063•1823059054•1823059192•1923059068•1823059055•1823059193•1923059074•1823059069•1823059194•1923059090•1823059072•1823059195•1923059101•1823059079•1823059196•1923059102•1823059089•1823059199•1923059103•1823059093•1823059200•1923059105•1823059094•1823059203•2023059010•1823059100•1823059205•2023059012•1823059106•1823059208•2023059023a1823059107•1823059212•2023059029•1823059110•1823059215•2023059031•1823059123•1823059218•2023059032•1823059128•1823059219•2023059033•1823059133•1823059224•2023059035•1823059134•1823059226•2023059055•1823059135•1823059228•2023059080•1823059138•1823059230•2023059084•1823059148•1823059233•2023059086•1823059149•1823059238•2023059088•1823059151•1823059243•2023059089•1823059152•1823059258•2023059090•1823059156•1823059260•2023059097•1823059157•1823059261•2023059111hdrhic.com500108thAveNE,Suite1200,Beflevue,WA98004-5549(425)4506200 .2023059112.2023059113.2023059162.2142000000.2144800266.2144800270.2144800276.2144800280.2144800282.2144800486.2144800765.2144800778.2144800825.2144800845.2144800850.2144800852.2144800887.2144800890.2144800891.2144800894.2144800895.2144800900.2144800903hdrhiccom.2144800905.2144800906.2144800910.2144800911.2144800915.2146500030.2146500250.2146500260.2146500270.214650TRC1.7231600135.7231600140.7231600170.7231600195.7231600200.7231600285.7231600295.7231600315.7231600345.7231600355.7231600390.7231600430.7231600445.7231600460.7231600470.7231600504.7231600505.7231600506.7231600507.7231600515.7231600542.7231600595.7232000010.7232000020.8663500005.8663500015.8663500020.8663500025.8663500135.9133600005.9133600010.9133600015.9133600090.9228900065500108thAveNE.Suite1200,BeHevue,WA98OO45549(425)4506200 A ..r ., Legend .Existing 230kV SCL transmission structure —Proposed Overhead ADSS fiber augment Contact: Dirk Frailey HDR Engineering,Inc. 1001 SW5thAve.,Suite 1800 Portland,OR 97204 (503)-423-3887 + mx I-I I-I-I w b Z . SCL Creston-Talbot Fiber Project within Renton City Limits r--’I!‘• Js ,4 ?,% ,-__I S FY ;:;;j ‘:L.%: SCL Creston-Talbot Fiber Project Extents Project N Dirk Frailey HDR Engineering,Inc. 1001 SW5thAve.,Suite 1800 Portland,OR 97204 (503)-423-3887 Seattle City Light FY Legend 4 Existing 230kV SCL transmission structure —Proposed Overhead ADSS fiber augment Jurisdiction Unincorporated King County V Seattle Contact: EXHIBIT4September24,2015ChipVincentDepartmentofCommunity&EconomicDevelopmentAdministratorCityofRenton1055SouthGradyWayRenton,WA98057SCLOverheadCreston-TalbotFiberProjectWrittenRequestforVariancefromUndergroundingUtilityLineDearMr.Vincent,SeattleCityLight(SCL)isproposingtoinstalla5-mileinstallationofnewoverheadall-dielectricself-supporting(ADSS)fiberopticcablebetweenCrestonNelsonandTalbotHillsubstationsnearRenton,Washington.Approximately2.5milesofthenewlinearewithintheCityofRenton.TheproposedADSScablewouldbeinstalledonexistingtransmissionpowerlinestructureswithintheexistingtransmissioncorridorbetweenthetwosubstations.ThisnewADSScablewouldprovideavitaldatacommunicationlinkforSCL’scurrentandfutureneeds,alongwiththeneedsofneighboringutilities.HDREngineering,Inc.(HDR)isprovidingengineeringandpermittingservicestoSCLforthisproject.HDRstaffattendedaPre-ApplicationMeeting(PRE15-000517)withtheCityofRentononJuly23,2015.Atthismeeting,weweredirectedtoprepareawrittenrequesttotheAdministratorforavariancefromundergroundingtheproposedutilityline.Theletterservesasourwrittenrequest,andprovidesjustificationandresponsetoapplicablereviewcriteriafoundinRentonMunicipalCode(RMC)4-6-090G.2.DetailedProjectDescription:TheportionoftheproposedoverheadADSSalignmentthatwouldrunthroughtheCityofRentonwouldbeginneartheintersectionofS130thStreetand84thAvenueS.TheADSScablewouldthentravelinasoutheasterndirectiontowardtheCityViewChurchparkinglotnorthoftheintersectionofSWLangstonRoadandHardieAvenueSW.TheADSScablewouldthencontinuesoutheastacrossSWSunsetBoulevardandthroughtheRentonShoppingCenterparkinglot(addressof365RentonCenterWaySW).ThecablewouldcontinuesoutheastacrossRainierAvenue5,SGradyWay,and1-405(neartheChrysler,Hyundai,andMazdadealerships,andRoxyCinema)beforeturningdueeast.TheremainingstretchoffiberwouldthentravelupthehillandendatTalbotSubstation.ThetotallengthofoverheadfiberwithinRentonCitylimitswouldbeapproximately2.5miles.SeetheattachedmapfortheproposedalignmentoftheoverheadADSSfiberopticcable.Aesthetically,thenewcablewillbegenerallyinlinewithSCL’sexistingtransmissionlines(seeattachedPlanandProfileformoreinformation).SiteImprovements:TheprojectisbeingdesignedtoattachthenewADSScableonlytoexistingsteelpoleandsteellatticetransmissionlinestructureswithinSCL’seasement.Therefore,itisanticipatedthatnositeoraccessimprovementswouldbenecessaryandgrounddisturbancewouldbeminimal.ConstructionMethodology:AconstructioncrewwillneedaccesstoeachtransmissionstructuresiteinordertoattachtheADSScableandrequiredhardware.Retrofittingthecabletoeachstructureincludestheuseofspecialvehicles,equipment,andtrainedlinemen.Theanticipatedworkareaateachstructure1 sitewouldbeapproximately150radialfeet.ConstructioncrewswouldneedaccesstostructuresitesafterthenewADSScableisinstalledtofinalizeinstallationofhardwareandremovestringingequipment.WorkassociatedwiththisprojectwilloccurwithinSCL’seasementtotheextentpossible,butportionsoftheprojectwillrequireworkwithinCityrights-of-way.ProjectSchedule:ProjectconstructionisanticipatedtobegininNovember2015andwouldbecompletedinDecember2015(approximately29days).RMC4-6-090UtilityLines—UndergroundInstallationRMC4-6-090requiresallnewelectricalorcommunicationfacilitiestobeinstalledundergroundunlessexemptoraproposalreceivesavariancefromtherequirement.VarianceproceduresarelistedinsubsectionRMC4-6-090wheretheAdministratorofCommunityandEconomicDevelopmenthasthediscretiontograntvariances.Therearethreereviewcriteriawhereundergroundrequirementsmaybewaivedbyavarianceonlyiftheutilityowner,user,oranyotheraffectedpartycandemonstrateanunduehardshipintheplacementoffacilitiesunderground.ResponsestotheapplicablereviewcriteriafoundinRMC4-6-090G.2areprovidedbelow.2.ReviewCriteria:Undergroundrequirementsmaybewaivedbyavarianceonlyiftheutilityowneruseroranyotheraffectedpartycandemonstrateanunduehardshipintheplacementoffacilitiesunderground.Thecriteriatodetermineifthereisanunduehardshipare:a.Thereisatechnologicaldifficultyassociatedwiththeparticularfacility,ortheparticularrealpropertyinvolved;orApplicant’sResponse:ThenewADSSfiberopticcableisproposedtobeco-locatedonSCL’sexistingtransmissionlineeasementandinfrastructure.Toinstallthefiberopticlineundergrounditwouldrequiredirectionalboringundertheexistingparkinglots,streetsandhighwaysinthatarea.Thecurrentdesigncallsforinstallinganattachmentpointtothecurrentstructuresandstringingthefiberthroughthehangers.Thismethodisstandardandrelativelyquickandinexpensive.Toborewouldrequirespecializedmachinesandcouldcausepotentialproblemswithexistingundergroundknown(andunknown)utilities.b.ThecostofundergroundingsuchafacilitywhichisdeemedbytheAdministratortooutweighthegeneralwelfareconsiderationimplicitinundergroundinstallation;orApplicant’sResponse:TheprojectareawithintheCityofRentonishighlydeveloped,andcontainsresidential,commercial,lightindustrial,andtransportationuses.UndergroundingofthenewADSSfiberopticcablewouldbeprohibitivelycostlyduetothishighlevelofdevelopment.ThecosttoundergroundtheADSSvsstringingitoverheadissignificantlylarger.Estimatesputitroughly8to11timesmorethantheconstructioncostforstringingitoverhead.Theprocesstoundergrounditwouldentailcompletingasubsurfaceutilityexplorationtolocateexistingutilitiesandobstructionsalongtheroute,directionalboringoftheroute,installationoftheconduitandfiber,2 repairsoftheborelocationsandcleanup.ItistheintentthatSCLwoulddotheoverheadstringinginhouse,whereastheundergroundoptionwouldrequireaspecialconstructioncrewforasignificantcostincrease.C.Thegrowthpatternoftheareahasnotbeensufficientlyestablishedtodeterminetheultimateservicerequirementsormajorserviceroutes.Applicant’sResponse:ThisnewADSScablewouldprovideavitaldatacommunicationlinkforSCL’scurrentandfutureneeds,alongwiththeneedsofneighboringutilities.Theprojectareathatwillbeservedbythisnewcableisalreadyhighlydevelopedwithvariousresidential,commercial,lightindustrial,andtransportationuses.ThenewfiberwilladdsecurityandredundancytotheSCLtransmissionlineandprovideapathwaytoyieldtrafficforotherutilitiesthatcouldusethefiberfortheirsystem.Theadditionoffiberopticsforutilitieshasbecomemoreimportantastechnologyprogressesandispertinentformaintainingthegrid.Basedonthisinformation,SCLisrequestingavariancefromtheAdministratorfromundergroundingtheproposedutilityline,andpermissiontoco-locatethenewADSSfibercableontoSCL’sexistingutilitylineinfrastructure.lfyouneedadditionalinformationorhaveanyquestionsonthisrequest,pleasecontactDirkFrailey,HDR(dirk.frailey@hdrinc.com,503.423.3887)orMarissaGifford,HDR(marissa.gifford@hdrinc.com,425.450.7112).Sincerely,DirkFraileyHDRProjectManager3 EXHIBIT5SCLOverheadCreston-TalbotFiberProjectRequestforVariancefromUndergroundingUtilityLineConstructionMitiQationDescription1.ProposedConstructionDates:November2nd,2015throughDecember14th,20152.HoursandDaysofoperation:workcrewswillworkonweekdaysonly,duringnormaldayworkinghours.Exceptionstothiswillbeduringconstructionofspansovermajortransportationcrossings(Interstate[I-]405)thatmayrequireworkduringlateorearlyhoursand/oronweekendstolimitimpacttotrafficasmuchaspractical.SeattleCityLight(SCL)willnotifypropertyownersadjacenttotheSCLright-of-way(ROW)2weekspriortothecommencementofconstructionwork.3.ProposedHauling/transportationroutes:RouteswillbelimitedtoroadwaysadjacenttotheSCLprojectROW,andonroadstoandfromSCLdesignatedstagingsites.4.Measurestobeimplementedtominimizedust,traffic,andtransportationimpacts:Nodustmitigationmeasureshavebeenconsidered,asgrounddisturbancewillbeminimalforthisproject.Mostconstructionworkoccursatexistingstructurelocations,andmoststructuresarelocatedawayfrommajorroadways,soconstructionworkcanprogresswithoutmajorimpacttotraffic.Mostmajorequipmentsetupswilloccurinparkinglots,openfield(withinSCLROW),andonsmallnon-arterialstreets.Iftrafficcontrolisnecessaryattheselocations,thenpropersignage,flaggingpersonnelandconeswillbeinplacetoclearlyroutetrafficaroundequipment.MajoroverheadcrossingsforthisprojectincludetheBurlingtonNorthernSantaFe(BNSF)railroadcrossingandthe-405crossing,andtherequisitepermitshavebeensubmittedtotheseagencies(includingtrafficcontrolplansandsafetymeasures).5.Specialhours:workoutsideofnormalweekdayhours(e.g.weekend(s)and/orearlyorlatehoursinmorningorevening)maybenecessarytonegotiatethe1-405crossing.Thisistoensureassmallanimpacttotrafficasispractical.ThetrafficcontrolplansubmittedtoWSDOTconsistsofaproposedcoordinatedrollingslowdownwithlocallawenforcementtoallowabriefdurationoftimesufficienttotransportapullinglinefromonesideoftheinterstatetotheotheronloot.Otherthanthiscrossing,workduringspecialhoursisnotanticipated.6.Preliminarytrafficcontrolplan:OnstreetswithinRentonthatmayrequiretrafficcontrol,onesideoftheroadwouldbeclosedoff(throughusageofconesandsignage)andflaggerswouldbeplacedtodirecttrafficthroughtheremainingportionofopenroadway.Asnotedabove,SCLwillnotifypropertyownersalongROWinadvanceofconstructionasaproactivemeasuretohelplessenimpactstolocalRentontraffic.hdrhic.com500108thAveNE,Suite1200,Beflevue,WA98OO43549t425)4505200I L RENTON,WA CRESTON -TALBOT FIBER ADDITION 230 Ky TRANSMISSION LINE mx I-I I-I -I :___::j___ _________PROPOSED ADSS EIDER OPTIC CABLE ________.) -,I H ZJ:z %:\ ,fv7j ‘: PROPOSED ADSS FIBER OPTIC CABLE ‘ Seattle City Light %%%%%% PRELIMINARY I NOT FOR CONSTRUCTION PLAN &PROFILE I’ll’I 10F3IIPR)TN)M z0HzUUz000)-J<<UHFz.,00HcLUU0z0Ha>-DUU<HzwUU0-0F0z0€)U-U-JU-0U0zU-I ILw._I>IL0Q_oózDiQz00HC)w0z0HU>D<HzU)U)U)H0z EXHIBIT7CriticalAreas1,24706231,247FeetVVGS_1984_Web_Mercator_Auxiliary_SphereNotesNone0LegendCityandCountyBoundaryt,Other*CityofRentonWeliheadProtectionAreaZonesElZone1.Zone1ModifiedSZone2FloodwaytSpecialFloodHazardAreas(100yearflood)—Ii>90%(Protected)Streams(Classified)—Types.TypeF___TypeNpTypeNsWetlandsFinance&ITDivisionInformationTechnology-GISRentonMapSupportRentonwa.govI1/17/2015ThismapisausergeneratedstaticoutputfromanInternetmappings[teandIsforreferenceonlyDatalayersthatappearonthismapmayormaynotbeaccurate,current,orotherwisereliableTHISMAPISNOTTOBEUSEDFORNAVIGATION CityofRentonCriticalAreasLegendCityandCountyBoundaryOther:CityofRentonL3UErosionLandshdeSVERYHIGHHIGHMODERATEUNCLASSIFEDFiiItRNotesNone0—I24706231247FeetWGS_1984_Web_Mercator_AuxiliarySphere.I..InformationTechnology-GISThismapaausergeneratedstaticoutputfromanInternetmappingsiteandCityof2NisforreferenceonlyDatalayersthatappearonthismapmayormaynotbe‘?RentonMapSupportRentonwa.govaccurate,current,orothervasereIableFinance&ITDivisionI1/17/2015THISMAPISNOTTOBEUSEDFORNAVIGATION 0- _ _ . -—1,24706231,247FeetWGS_1984WebMercator_AuxiIiarySpheceCityofRentonCriticalAreasCityandCountyBoundary[-iOtherc!CityofRentonCoalmineRHIGHF•-iMODERATEUNCLASSIFIEDNotesNoneLegendFinance&ITDivisionInformationTechnology-GISRentonMapSupportRentonwa.govI1/17/2015ThismapisausergeneratedstaticoutputfromanInternetmappingsiteandisforreferenceonlyDatalayersthatappearonthismapmayormaynotbeaccurate,current,orotherwisereliableTHISMAPISNOTTOBEUSEDFORNAVIGATION EXHIBIT8NotesLegendNoneCityandCountyBoundaryCN-CommercialNeighborhoodOtherICV-CenterVillagerCityofRentonBCA-CommercialArterial‘$OZoning.UC-UrbanCenterRC-ResourceConservationCD-CenterDowntownRi-Residentialidu/acCOR-CommercialOffice/ResidentialR4-Residential4du/ac•CO-CommercialOffice—II24706231247FeetR6-Residential-6DU/ACIL-Industrial-LightR8-Residential8du/ac•IM-lndustdal-MediumWGS_1984Web_MercatorAuxiliary_SphereRiO-ResidentialiOdu/acH-Industrial-HeavyCityofInformationTechnology-GISThismapisausergeneratedstaticoutputfromanInternetmappingsiteandisforreferenceonlyDatalayersthatappearontrsemapmayormaynotbeRentonMapSupportRentonwa.govaccurate,current,orotherwisereliableFinance&ITDivision11/10/2015THISMAPISNOTTOBEUSEDFORNAVIGATION