A.Introduction

1.Title:TransmissionMaintenance

2.Number:FAC-501-WECC-2

3.Purpose:ToensuretheTransmissionOwnerofa transmissionpathidentifiedin thetabletitled “MajorWECC TransferPaths inthe BulkElectricSystem”(Table) includingassociatedfacilitieshas aTransmissionMaintenanceandInspectionPlan(TMIP);and performs and documentsmaintenance andinspectionactivitiesinaccordancewiththe TMIP.

4.Applicability

4.1 TransmissionOwnersthatmaintainthetransmissionpathsin themostcurrentTable providedby the Western Electricity Coordinating Council.

5.EffectiveDate: The first day of the first quarter following applicable regulatory approval.

B.Requirements

R.1.Each Transmission Owner shall have a TMIP detailing its inspection and maintenance requirements that apply to all transmission facilities comprising each transmission path identified in the Table. [Violation Risk Factor: Medium][TimeHorizon:Long-term Planning]

R1.1.Each TransmissionOwnershallannuallyreviewits TMIPand updateasrequired.[ViolationRiskFactor:Medium][TimeHorizon:Long-term Planning]

R.2.Each TransmissionOwnershallincludethe maintenancecategoriesin Attachment1 of FAC-501-WECC-2 whendevelopingits TMIP.[ViolationRiskFactor:Medium][TimeHorizon:Operations Assessment]

R.3.Each TransmissionOwnersshallimplement and followits TMIP.[ViolationRiskFactor:Medium][TimeHorizon:OperationsAssessment]

C.Measures

M1. Each TransmissionOwnerwill haveevidence that it annually reviewed and updated its TMIP as required in Requirement R1.

M2. Each TransmissionOwnerwill have evidence thatits TMIP addressestherequiredmaintenancedetails as required in Requirement R2.

M3. Each TransmissionOwnerwill have evidence thatit implemented andfollowedits TMIP asrequired in Requirement R3. Evidence may include, but is not limited to:

1.Thedate(s)the workorinspectionwasperformed,

2.Thetransmissionfacilityonwhichthe workwasperformed, and

3.A description oftheinspectionormaintenanceperformed.

D.Compliance

1.ComplianceMonitoringProcess

1.1ComplianceMonitoringResponsibility

Compliance Enforcement Authority

1.2ComplianceMonitoringPeriod

TheCompliance Enforcement Authoritymayuse one ormoreofthefollowingmethods toassesscompliance:

-Self-certificationconductedannually

-Spotcheckauditsconductedanytime with 30daysnoticegiven to prepare

-Periodicauditas scheduled bytheCompliance Enforcement Authority

-Investigations

-Othermethods asprovidedforintheComplianceMonitoringEnforcementProgram

TheResetTimeFrameshallbe oneyear.

1.3DataRetention

TheTransmissionOwnerwill keepevidenceforMeasures M1and M2forthreeyearsplusthecurrentyear,orsincethelastaudit,whicheverislonger.

For Measure M3, in cases where the interval of the maintenance activity is longer than the audit cycle, the Transmission Owner will keep documentation dating back to the last audit, or dating back to the most recent maintenance activity, whichever is longer.

1.4AdditionalComplianceInformation

Noadditionalcomplianceinformation.

2.Violation SeverityLevels

2.1.Lower:There shallbea LowerLevelofnon-complianceifanyofthefollowingconditionsexist:

2.1.1TheTMIP does notincludeassociatedFacilitiesforone ofthe PathsidentifiedinAttachment1 FAC-501-WECC-1 as required byR.1butTransmissionOwnersare performingmaintenance andinspectionforthemissingFacilities.

2.1.2TransmissionOwnersdidnotreview theirTMIP annuallyas required byR.1.1.

2.1.3TheTMIPdoesnotincludeonemaintenancecategoryidentifiedinAttachment1FAC-501-WECC-1asrequiredbyR.2butTransmissionOwnersareperformingmaintenanceandinspectionforthe missingmaintenancecategories.

2.1.4TransmissionOwnersdonothavemaintenanceandinspectionrecordsasrequiredbyR.3 buthaveevidencethattheyareimplementingandfollowingtheirTMIP.

2.2.Moderate:Thereshallbe aModerateLevelofnon-complianceifanyofthefollowingconditionsexist:

2.2.1TheTMIP does notincludeassociatedFacilitiesfortwo ofthePathsidentifiedinthe mostcurrentTabletitled“MajorWECCTransferPathsinthe BulkElectricSystem” as required byR.1 andTransmissionOwnersare notperformingmaintenanceandinspectionforthe missingFacilities.

2.2.2TheTMIP does notincludetwo maintenancecategoriesidentifiedin Attachment1 FAC-501-WECC-1 as required byR.2 butTransmissionOwnersareperformingmaintenanceandinspectionforthe missingmaintenancecategories.

2.2.3TransmissionOwnersarenotperformingmaintenanceand inspectionforonemaintenancecategoryidentifiedin Attachment 1 FAC-501-WECC-1 as requiredin R3.

2.3.High:Thereshallbe a High Levelofnon-complianceif anyofthefollowingconditionexists:

2.3.1TheTMIP doesnotincludeassociated Facilitiesforthree ofthePathsidentified inthe mostcurrentTabletitled“MajorWECCTransferPathsinthe BulkElectricSystem” as required byR.1 andTransmissionOwnersare notperformingmaintenanceandinspectionforthe missingFacilities.

2.3.2TheTMIP does notincludethreemaintenancecategoriesidentifiedin Attachment1FAC-501-WECC-1 as requiredbyR.2 butTransmissionOwnersareperformingmaintenanceandinspectionforthe missingmaintenancecategories.

2.3.3TransmissionOwnersarenotperformingmaintenanceand inspectionfortwomaintenancecategoriesidentified inAttachment1 FAC-501-WECC-1 as required inR3.

2.4.Severe:Thereshallbe a SevereLevelofnon-complianceif anyofthefollowingconditionexists:

2.4.1TheTMIP does notincludeassociatedFacilitiesformorethanthreeofthePathsidentified inthemostcurrentTabletitled“MajorWECC TransferPathsintheBulkElectricSystem” asrequired byR.1 andTransmissionOwnersarenotperformingmaintenanceandinspectionforthe missingFacilities.

2.4.2TheTMIP does notexistordoes notinclude morethanthreemaintenancecategoriesidentifiedin Attachment1 FAC-501-WECC-1 as required byR.2butTransmissionOwnersareperformingmaintenanceandinspectionforthemissingmaintenancecategories.

2.4.3TransmissionOwnersarenotperformingmaintenanceand inspectionfor morethantwomaintenancecategoriesidentifiedinAttachment1FAC-501-WECC-1 asrequired in R3.

VersionHistory–ShowsApprovalHistoryand SummaryofChanges intheActionField

Version / Date / Action / ChangeTracking
1 / April16, 2008 / PermanentReplacementStandardfor
PRC-STD-005-1
1 / October29, 2008 / NERC BOTconditionalapproval
1 / April21, 2011 / FERC Approved in Order751
2 / TBD / TBD / TBD

Attachment1FAC-501-WECC-2Transmission Lineand StationMaintenanceDetails

ThemaintenancepracticesintheTMIPmaybeperformance-based,time-based,conditionalbased,ora combinationofallthree.The TMIPshallinclude:

1.AlistofFacilities andassociatedElementsnecessaryto maintaintheSOL forthetransferpathsidentified inthemostcurrentTabletitled“MajorWECC TransferPathsintheBulkElectricSystem;”

2.Thescheduledintervalforanytime-basedmaintenanceactivitiesand/ora descriptionsupportingcondition orperformance-basedmaintenanceactivitiesincludinga descriptionoftheconditionbasedtrigger;

3.TransmissionLineMaintenanceDetails:

a.Patrol/Inspection

b.Towerandwoodpolestructuremanagement

4.StationMaintenanceDetails:

a.Inspections

b.EquipmentMaintenanceforthefollowing:

  • CircuitBreakers
  • PowerTransformers(includingphase-shiftingtransformers)
  • Regulators
  • ReactiveDevices(including, butnotlimitedto, ShuntCapacitors,SeriesCapacitors,SynchronousCondensers,ShuntReactors,andTertiaryReactors)