Video summary

Lockout Tagout Training Video [Employee OSHA Training on LOTO]

Main summary

Key takeaways

Educational

Main Ideas, Concepts, and Lessons

  • Why Lockout/Tagout (LOTO) is needed

    • Powered equipment uses multiple forms of energy (electrical, hydraulic, pneumatic, etc.).
    • Serious injuries can happen if someone inadvertently re-energizes equipment while another employee is servicing it.
    • OSHA requires Lockout Tagout to prevent equipment from operating during maintenance/repair.

  • Core concept of LOTO

    • LOTO’s goal is to disable a machine during servicing by isolating it from its energy sources so it cannot injure workers.
    • This is achieved using locks, tags, and other mechanisms placed on energy isolation devices (e.g., electrical switch boxes, valves).

  • Lock vs. Tag purpose

    • Locking: shuts off/isolate the energy source.
    • Tagging: warns others what work is occurring and why the equipment is out of service.
    • Important limitation: tags do not physically secure energy isolation by themselves; they should be used with locks whenever possible.

  • OSHA requirement: Energy Control Program

    • Facilities must have a written energy control program with:
      • LOTO procedures for all powered equipment/machinery in the facility
      • A training plan for employees

  • LOTO devices and rules for their use

    • Common devices include padlocks, chains, and valve clamps.
    • More specialized devices (e.g., wedges/pins) are used for certain hydraulic/pneumatic setups.
    • LOTO devices must:
      • Be identified as LOTO-only
      • Be durable and easy to identify
      • Be difficult to remove so removal can’t happen accidentally
    • Requirements/limitations:
      • Only authorized employees may install LOTO devices.
      • Affected employees must be informed and understand the purpose of LOTO, but they are not allowed to restart/re-energize equipment.
      • Workers must not use non-designated devices (e.g., taking a lock from a toolbox/locker).

  • Key energy types and residual energy

    • Energy sources mentioned: electrical, hydraulic, pneumatic
    • Each can be in:
      • Active state (in use, e.g., electricity running a motor)
      • Stored state (remaining energy that could release later, e.g., capacitor charge, compressed/potential energy)
    • After initial lockout, workers may need to dissipate/neutralize stored or residual energy before work begins.

Detailed LOTO Workflow / Methodology (Step-by-Step)

A) When equipment must be locked out (general steps)

  1. Notify the necessary people
  2. Lock and tag the machine’s energy sources
    • Use the correct LOTO mechanisms for the isolation devices involved (e.g., circuit breakers/panels, valves).
  3. Follow the facility’s written LOTO program
    • Follow company standard operating procedures and consult the energy control program as needed.
  4. Account for stored energy
    • Identify active and stored energy.
    • Dissipate stored energy using appropriate methods (see sections below).
  5. Block/secure machine parts if needed
    • After residual energy is removed, block off parts that could move.
    • Install additional LOTO mechanisms if required.
  6. Test to verify the lockout worked
    • Electrical example provided:
      • Use a voltmeter
      • Then try activating controls (start buttons/switches/levers)
      • Confirm it remains de-energized
      • Return switches/controls to off after testing.
  7. Begin work only after successful testing

B) Dissipating residual energy (techniques described)

  • Hydraulic/pneumatic systems
    • Adjust valves or install blinds to stop fluid movement
  • Electrical systems
    • Use grounding to drain stored electricity
  • Other hazards
    • Release spring tension
    • Dissipate extreme hot/cold temperatures where applicable

After dissipation, workers may still need to block moving parts and add additional LOTO devices to complete isolation.

C) Special situations that require additional procedures

  • Personnel change during servicing
    • Incoming shift installs their LOTO devices
    • Departing worker’s locks/tags are removed afterward
  • Multiple equipment pieces sharing the same energy source
    • Supervisors must be contacted before LOTO begins
  • Equipment connected to other equipment
    • Contact supervisors before starting LOTO
  • When the system must stay on
    • Consult supervisor (i.e., functioning is essential to facility operation)
  • High-voltage and arc flash risk (special electrical hazard)
    • Arc flash causes include:
      • Contact with live parts/wires
      • Conductive objects (e.g., metal tools) near high-amp sources
      • Sparks when opening breakers/replacing fuses
      • Deteriorating insulation/corrosion on electrical terminals
      • Fumes/chemical vapors facilitating conduction
    • Use warning labels as guidance.
    • If arc flash warning exists, consult supervisor for correct procedures.
  • Buddy system usage
    • Used especially when power source is not visible from operating portions
    • One person locks out; buddy observes and tests.
  • Group lockout
    • Use group LOTO device allowing multiple workers to lock the same energy source.
    • Each authorized employee places their own lock and tag on the group device.
    • If multiple groups work on same machine, one employee can represent each group.
  • Contractors
    • Facility representatives must inform contractors about relevant LOTO activities affecting them.
    • Contractors performing LOTO must inform facility representatives of their LOTO actions.

Energy-Specific LOTO Differences (As Explained)

Electrical equipment / systems

  • Lock out electrical sources such as fuse boxes/main panels/switches/circuit breakers as appropriate.
  • If standard devices can’t be used on a fuse box, consult supervisor.
  • If multiple power sources exist, it may be necessary to lock out a main panel.
  • Verification steps:
    • Try to start/operate equipment after lockout—no movement should occur if done correctly.
    • Test circuitry with a voltmeter/similar device.
    • Capacitors may store charge:
      • Ground capacitors before starting work.

Hydraulic / pneumatic equipment

  • LOTO typically involves pipes and valves.
  • Primary hazard described: high pressure release of steam/gas/hydraulic fluid/liquids.
  • Typical locking method:
    • Use padlock + chain or a valve clamp so valves cannot be turned.
  • Additional precaution:
    • Existing pressure can be hazardous—bleed pressurized lines before work.
  • Complex hydraulic systems:
    • Use blinds to segment the system and bleed one section at a time.
  • Effectiveness testing:
    • Check downstream valves you can crack to see if pressure still exists.
  • Prevent mechanical hazards:
    • Heavy moving parts may slip due to vibration.
    • Use wedges/blocks/pins to secure moving parts.
    • Physically isolate machinery if needed to prevent jostling free.
    • Use barricades to limit traffic; may require stopping nearby machinery.

LOTO Release / Restart Process (Step-by-Step)

A) After the work is completed

  1. Remove non-essential tools/materials from around the machine.
  2. Clear affected employees from the immediate area.
  3. Check machine readiness
    • Includes verifying no load on electrical circuits (as applicable).
  4. Remove locks/tags
    • Each employee who installed a lock must personally remove their own device.
    • Emergency exception described:
      • Management may remove a device only if the original employee is unavailable and cannot be easily recalled.
      • The employee whose lock was removed must be told why before resuming work.
  5. Test-run
    • If the equipment can’t be started/verified from the location where locks are installed, use the buddy system for testing.
  6. After completion
    • Return locks/tags to their “home” (storage location).
    • Sign out in the LOTO log if a log is used.

B) Temporary restart during prolonged shutdown/maintenance

  • Temporary restart must follow the same release/restart principles:
    • Remove LOTO devices
    • Follow release procedure
    • Restart the machine
    • Then re-secure LOTO devices and isolate energy sources again using normal procedures.

Speakers / Sources Featured

  • OSHA (Occupational Safety and Health Administration) — cited as the source of Lockout/Tagout regulations and terminology (e.g., energy control program requirements).
  • No specific individual speakers are identified in the provided subtitles.

Original video