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Lockout/Tagout MODULE 20. 2©2006 TEEX 1910.147(a)(1) Scope Covers servicing and maintenance of machines and equipment in which Unexpected energization.

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Presentation on theme: "Lockout/Tagout MODULE 20. 2©2006 TEEX 1910.147(a)(1) Scope Covers servicing and maintenance of machines and equipment in which Unexpected energization."— Presentation transcript:

1 Lockout/Tagout MODULE 20

2 2©2006 TEEX (a)(1) Scope Covers servicing and maintenance of machines and equipment in which Unexpected energization or start up or Release of stored energy could cause Injury to employees Normal operation is covered in 1910 Subpart O

3 3©2006 TEEX (a)(1)(ii) Exemptions Construction, agriculture and maritime employment; Electrical Utilities; Electrical equipment (covered by Subpart S) Oil and gas well drilling and servicing So why comply?

4 4©2006 TEEX Control of Hazardous Energy Why use lockout/tagout? Protects maintenance personnel from power being reapplied by mistake Recommended by API RP 54 for electrical systems in drilling and servicing operations Recognized hazard

5 5©2006 TEEX (a)(2) Application Service and maintenance: Employee required to remove or bypass a guard or safety device Employee required to place part of body into area that would be a danger zone during machine operation cycle

6 6©2006 TEEX (a)(2) Application Exception: Minor adjustments and servicing activities during normal production if Routine Repetitive Integral to production Provided that alternative measures provide effective protection

7 7©2006 TEEX (a)(2) Application Does not apply to cord and plug connected equipment for which Exposure to hazard is controlled by unplugging and Plug under exclusive control of employee performing service or maintenance

8 8©2006 TEEX (a)(2) Application Does not apply to hot tap operations in transmission and distribution operations in pressurized pipelines provided that: Continuity of service is essential, Shutdown of system is impractical, and Documented procedures and special equipment provide proven effective protection for employees

9 9©2006 TEEX (a)(3) Purpose Establish a program and utilize procedures for affixing appropriate lockout devices or tagout devices to energy isolating devices Prevent unexpected energization, start up or release of stored energy in order to prevent injury to employees Training and procedural requirements for other sections LO/TO requirements

10 Definitions (b)

11 11©2006 TEEX Affected employee Job requires employee to operate or use a machine or equipment on which servicing or maintenance is being performed under lockout or tagout, or work in an area in which such servicing or maintenance is being performed

12 12©2006 TEEX Authorized employee Locks out or tags out machines or equipment in order to perform servicing or maintenance on that machine or equipment Affected employee whose duties include servicing or maintenance under this section

13 13©2006 TEEX Energized Connected to an energy source OR Containing residual or stored energy

14 14©2006 TEEX Energy isolating device A mechanical device that physically prevents the transmission or release or energy Circuit breakers included NOT push buttons NOT selector switches NOT control circuits

15 15©2006 TEEX Energy source Any source of: Electrical, Mechanical, Hydraulic, Pneumatic, Chemical, Thermal, or Other energy What kind of energy did the rock have?

16 16©2006 TEEX Lockout Placement of a lockout device on an energy isolating device, in accordance with an established procedure, ensuring that energy isolating device and equipment being controlled cannot be operated until lockout device is removed

17 17©2006 TEEX Lockout device Device that uses a positive means such as a lock, either key or combination type, to hold an energy isolating device in the safe position and prevent the energizing of a machine or equipment Blank flanges and bolted slip blinds included

18 18©2006 TEEX Servicing and/or maintenance Workplace activities such as: Constructing, Installing, Setting up, Adjusting, Inspecting, Modifying, and Maintaining and/or servicing machines or equipment

19 19©2006 TEEX Tagout Placement of tagout device on an energy isolating device, in accordance with an established procedure, to indicate that energy isolating device and equipment being controlled may not be operated until tagout device is removed

20 General Requirements (c)

21 21©2006 TEEX Energy control program Energy control procedures Employee training Periodic inspections Any employee who services/maintains any equipment where unexpected energizing or stored energy release could cause injury isolates and renders it inoperative first.

22 22©2006 TEEX (c)(ii) General Requirements If an energy isolating device is capable of being locked out, the employer's energy control program shall utilize lockout, unless the employer can demonstrate that the utilization of a tagout system will provide full employee protection

23 23©2006 TEEX (c)(iii) General Requirements Energy isolating devices designed to accept lockout devices whenever: Replacement or major repair, renovation or modification of equipment is performed or New machines or equipment are installed

24 24©2006 TEEX (c)(3) Full employee protection When tagout device used on energy isolation device capable of being locked out: Same location as potential lockout device Demonstrably equivalent program May require additional safety elements

25 25©2006 TEEX (c)(4) Energy control procedure Procedures shall be developed, documented and utilized for the control of potentially hazardous energy when employees are engaged in the activities covered by this section. Exception with all 8 elements listed in standard

26 26©2006 TEEX (c)(4) Energy control procedure Outline scope, purpose, authorization, rules, techniques for control of hazardous energy, including: Specific intended use of the procedure; Specific steps for shutting down, isolating, blocking and securing equipment Specific steps for placement, removal, transfer of lockout/tagout devices and responsibility for them Specific requirements for testing equipment to verify effectiveness of lockout devices, tagout devices, and other energy control measures

27 27©2006 TEEX (c)(5) Protective materials and hardware Locks, tags, chains, wedges, key blocks, adapter pins, self-locking fasteners, or other hardware shall be provided by the employer for isolating, securing or blocking of equipment from energy sources

28 28©2006 TEEX (c)(5) Protective materials and hardware Lockout and tagout devices must be: Singularly identified The only device(s) used for controlling energy Not used for other purposes And shall meet the following requirements:

29 29©2006 TEEX (c)(5) Protective materials and hardware Capable of withstanding environment for maximum time period Moisture or corrosives must not make tag deteriorate Standardized: Color Shape Size Print/Format

30 30©2006 TEEX (c)(5) Protective materials and hardware Lockout devices: Substantial enough to prevent removal without excessive force or unusual techniques such as bolt cutters Tagout devices: Substantial enough to prevent inadvertent or accidental removal Non-reusable attachment means Attachable by hand, self-lockable At least equivalent to nylon cable tie

31 31©2006 TEEX (c)(5) Protective materials and hardware Lockout and tagout devices indicate identity of employee applying devices

32 32©2006 TEEX (c)(6) Periodic Inspection Energy control procedure inspected at least annually: By authorized employee not using the procedure being inspected Correct any deviations Review employee responsibilities with: each authorized employee – lockout each affected or authorized employee – tagout

33 33©2006 TEEX (c)(7) Training and communication Ensure employees understand purpose and function of energy control program Ensure employees acquire skills required for safe application, usage, removal of energy controls

34 34©2006 TEEX Employee Training Requirements Authorized employee: Recognition of hazardous energy sources Type and amount of energy in workplace Methods and means for energy isolation Affected employee: Purpose and use of procedure Other employees in area: Procedure and prohibition on restarting

35 35©2006 TEEX Employee Training Requirements for Tagout Train on limitations of tags: Warning devices do not provide physical restraint that a lock would Tag not to be removed without owners authorization, bypassed, ignored, defeated Must be legible / understandable to work Must withstand environmental conditions False sense of security Attach securely: avoid accidental removal

36 36©2006 TEEX Employee Retraining For all authorized or affected employees when: Job assignment changes Equipment or processes present new hazard Energy control procedure changes Knowledge / use of program is inadequate Certify employee training up to date

37 37©2006 TEEX (c)(8) Energy Isolation Only the authorized employees performing the servicing or maintenance may apply lockout/tagout

38 38©2006 TEEX (c)(9) Notification of Employees Affected employees must be notified By employer or authorized employee Of application and removal of lockout and tagout devices Before controls are applied After controls are removed

39 Application of Control (d)

40 40©2006 TEEX Order of Operation for Application of Control 1.Preparation for shutdown 2.Equipment shutdown – orderly 3.Equipment isolation 4.Lockout or tagout device application 5.Stored energy relieved; continue while reaccumulating 6.Verification of isolation Test and return to off position

41 Release from Lockout/Tagout (e)

42 42©2006 TEEX (e) Release from Lockout Before lockout or tagout devices removed and energy restored, ensure: Machine or equipment: Inspect area; remove nonessential items Ensure equipment components intact Employees: Ensure all employees safe or removed Before restart, notify affected employees of removal

43 43©2006 TEEX (e) Release from Lockout Each lockout/tagout device removed by employee who applied the device If not available, removed under employer direction Specific procedures and training from energy control program must be in use! Verify that applying employee is not at facility Make all reasonable efforts to contact/notify Ensure authorized employee knows of removal before resuming work at facility

44 Additional Requirements (f)

45 45©2006 TEEX (f)(1) Testing or Positioning Temporary removal of lockout/tagout devices for testing/positioning: Clear tools and materials Remove employees from equipment area Remove lockout/tagout devices (as in (e)) Energize and test or position Deenergize systems and reapply energy control measures to continue servicing

46 46©2006 TEEX (f)(2) Outside Personnel Contractors and other outside personnel: On-site employer and outside employer inform each other of lockout/tagout procedures On-site employer complies with outside employers energy control program

47 47©2006 TEEX (f)(3) Group Lockout or Tagout Procedure must provide protection equivalent to personal lockout/tagout device Primary responsibility is vested in an authorized employee for a set number of employees working under the protection of a group lockout or tagout device (such as an operations lock);

48 48©2006 TEEX (f)(3) Group Lockout or Tagout When more than one crew, craft, department, etc. is involved: Designated authorized employee takes lockout/tagout control responsibility Coordinates affected work forces Ensures continuity of protection

49 49©2006 TEEX (f)(3) Group Lockout or Tagout Each authorized employee affixes personal lockout/tagout device to group lockout device when beginning work Each removes personal device when stopping work on this equipment

50 50©2006 TEEX (f)(4) Shift or Personnel Changes Specific procedures in energy control plan Ensure continuity of lockout/tagout protection Orderly transfer of lockout/tagout device protection between shifts Minimize exposure to hazards from unexpected energization or release


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