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Lockout/Tagout MODULE 20.

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Presentation on theme: "Lockout/Tagout MODULE 20."— Presentation transcript:

1 Lockout/Tagout MODULE 20

2 (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 Subpart O

3 (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 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 1910.147(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 (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 (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 (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 (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 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 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 Energized Connected to an energy source OR
Containing residual or stored energy

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

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

19 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 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 1910.147(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 1910.147(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 1910.147(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 1910.147(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 1910.147(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 1910.147(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 1910.147(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 1910.147(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 1910.147(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 1910.147(c)(5) Protective materials and hardware
Lockout and tagout devices indicate identity of employee applying devices

32 1910.147(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 1910.147 (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 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 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 owner’s authorization, bypassed, ignored, defeated Must be legible / understandable to work Must withstand environmental conditions False sense of security Attach securely: avoid accidental removal

36 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 1910.147(c)(8) Energy Isolation
Only the authorized employees performing the servicing or maintenance may apply lockout/tagout

38 1910.147(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

40 Order of Operation for Application of Control
Preparation for shutdown Equipment shutdown – orderly Equipment isolation Lockout or tagout device application Stored energy relieved; continue while reaccumulating Verification of isolation Test and return to “off” position

41 Release from Lockout/Tagout

42 1910.147(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 1910.147(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

45 1910.147(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 1910.147(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 employer’s energy control program

47 1910.147(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 1910.147(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 1910.147(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 1910.147(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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