Unit 9 loto pwr_pt

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  • 1. Safety and ESDSafety and ESD GuidelinesGuidelines Cray Research, Inc.Cray Research, Inc. October 11, 2013October 11, 2013
  • 2. Safety GuidelinesSafety Guidelines  Alert maintenance and service personnelAlert maintenance and service personnel to workplace hazardsto workplace hazards  Help reduce accidents and injuries in theHelp reduce accidents and injuries in the workplaceworkplace  Help prevent damage to CRI computerHelp prevent damage to CRI computer system equipmentsystem equipment  Mandated by OSHA CFR 1910.147Mandated by OSHA CFR 1910.147
  • 3. OSHA Injury StatisticsOSHA Injury Statistics  According to U.S. Department of Labor,According to U.S. Department of Labor, control of hazardous energy is the 5control of hazardous energy is the 5thth mostmost frequently cited OSHA violationfrequently cited OSHA violation  Fines cost companies hundreds ofFines cost companies hundreds of thousands of dollars each yearthousands of dollars each year  Electrocution resulted in 9% of all workplaceElectrocution resulted in 9% of all workplace fatalities for 2011fatalities for 2011
  • 4. Lockout/Tagout SafetyLockout/Tagout Safety  All CRI employees required to followAll CRI employees required to follow lockout/tagout procedures when servicinglockout/tagout procedures when servicing equipmentequipment  Helps ensure that all potentially hazardousHelps ensure that all potentially hazardous energy is locked out and isolatedenergy is locked out and isolated  Energy-isolating devices available throughEnergy-isolating devices available through Logistics Department:Logistics Department: • Lockout/tagout cards − part # 01670500Lockout/tagout cards − part # 01670500 • Small padlocks − part # 01673600Small padlocks − part # 01673600 • Large padlocks − part # 01673601Large padlocks − part # 01673601
  • 5. Lock and Tag CriteriaLock and Tag Criteria Locks shall:Locks shall:  Be provided by Cray ResearchBe provided by Cray Research  Be able to withstand exposure to wet andBe able to withstand exposure to wet and damp conditionsdamp conditions  Be standardized within the work groupBe standardized within the work group  Be substantial enough to prevent accidentalBe substantial enough to prevent accidental removalremoval
  • 6. Lock and Tag Criteria (cont.)Lock and Tag Criteria (cont.) Tags shall:Tags shall:  Be provided by Cray ResearchBe provided by Cray Research  Be able to withstand exposure to wet andBe able to withstand exposure to wet and damp conditionsdamp conditions  Be standardized in print and formatBe standardized in print and format  Identify the individual by nameIdentify the individual by name
  • 7. Lockout/Tagout CardLockout/Tagout Card
  • 8. Definitions and TermsDefinitions and Terms  Authorized EmployeeAuthorized Employee ─ Employees─ Employees authorized to implement lockout/tagoutauthorized to implement lockout/tagout proceduresprocedures  Affected Employee ─ Employees whoAffected Employee ─ Employees who operate equipment affected by lockout/tagoutoperate equipment affected by lockout/tagout proceduresprocedures  Other Employee ─ Employees who work inOther Employee ─ Employees who work in the area where lockout/tagout occursthe area where lockout/tagout occurs
  • 9. Definitions and Terms (cont.)Definitions and Terms (cont.)  Energized EquipmentEnergized Equipment ─ Equipment that is─ Equipment that is connected to an energy source or equipmentconnected to an energy source or equipment that contains residual or stored energythat contains residual or stored energy  Energy-isolation Device ─ A mechanicalEnergy-isolation Device ─ A mechanical device that physically prevents thedevice that physically prevents the transmission or release of energytransmission or release of energy  Lockout ─ Placement of a lockout device onLockout ─ Placement of a lockout device on an energy-isolation devicean energy-isolation device  Lockout Device ─ Holds energy device in aLockout Device ─ Holds energy device in a safe positionsafe position
  • 10. Isolating Electrical SourcesIsolating Electrical Sources  Isolate and lock both electrical andIsolate and lock both electrical and mechanical energy sourcesmechanical energy sources  Energy sources include:Energy sources include:  HydraulicsHydraulics  PneumaticsPneumatics  Pressurized waterPressurized water  SteamSteam  RefrigerantsRefrigerants
  • 11. Isolating Electrical andIsolating Electrical and Mechanical SourcesMechanical Sources  Lock and tag all equipment thatLock and tag all equipment that uses/produces electrical sourcesuses/produces electrical sources  Isolate and lock all equipment that storesIsolate and lock all equipment that stores mechanical energymechanical energy  Isolate hydraulic linesIsolate hydraulic lines  Isolate pneumatic linesIsolate pneumatic lines
  • 12. Isolating Electrical andIsolating Electrical and Mechanical Sources (cont.)Mechanical Sources (cont.)  Isolate refrigeration linesIsolate refrigeration lines  Isolate valves on equipment with pressurizedIsolate valves on equipment with pressurized water or steamwater or steam
  • 13. Lockout/Tagout ProcedureLockout/Tagout Procedure Refer to handout:Refer to handout: 1.1. Survey area to locate all energy sourcesSurvey area to locate all energy sources 2.2. Notify all affected employees thatNotify all affected employees that lockout/tagout is requiredlockout/tagout is required 3.3. Verify correct operation of voltage testerVerify correct operation of voltage tester 4.4. Shut off equipment to be serviced byShut off equipment to be serviced by normal meansnormal means
  • 14. Lockout/Tagout ProcedureLockout/Tagout Procedure (cont.)(cont.) 5.5. Operate all switches, valves, or levers toOperate all switches, valves, or levers to ensure stored energy is disconnectedensure stored energy is disconnected 6.6. Lock and tag the energy-isolation deviceLock and tag the energy-isolation device with assigned lock and tagwith assigned lock and tag 7.7. Use a voltage tester to verify no voltage isUse a voltage tester to verify no voltage is present on equipment’s electrical circuitpresent on equipment’s electrical circuit 8.8. Activate equipment controls to ensureActivate equipment controls to ensure equipment will not operateequipment will not operate
  • 15. Group Lockout/TagoutGroup Lockout/Tagout ProcedureProcedure If more than one person is required to lock andIf more than one person is required to lock and tag a piece of equipment:tag a piece of equipment:  Each person must place lock and tag onEach person must place lock and tag on energy-isolation deviceenergy-isolation device  If device cannot accept multiple locks, useIf device cannot accept multiple locks, use a multiple lockout haspa multiple lockout hasp
  • 16. Restoring Equipment to ServiceRestoring Equipment to Service To restore electrical equipment to service:To restore electrical equipment to service: 1.1. Remove all tools from work areaRemove all tools from work area 2.2. If applicable, restore any previouslyIf applicable, restore any previously removed machine guardsremoved machine guards 3.3. Check the area to ensure no personnel areCheck the area to ensure no personnel are near equipmentnear equipment 4.4. Remove all locks and tags from the energy-Remove all locks and tags from the energy- isolation device(s)isolation device(s) 5.5. Test-run the equipment and inspect forTest-run the equipment and inspect for normal operationnormal operation
  • 17. Removing locks and tagsRemoving locks and tags installed by other employeesinstalled by other employees Remove a lock and tag installed by anotherRemove a lock and tag installed by another employee only if:employee only if:  The employee who installed the lock and tagThe employee who installed the lock and tag has left the facilityhas left the facility  Reasonable efforts have been made toReasonable efforts have been made to contact the employee to remove the lock andcontact the employee to remove the lock and tagtag  Supervisor of absent employee must removeSupervisor of absent employee must remove lock and taglock and tag
  • 18. ReferencesReferences  Cray Research, Inc. (1994). SafetyCray Research, Inc. (1994). Safety and ESD guidelines. Publicationand ESD guidelines. Publication number HG-016-Anumber HG-016-A