Toolbox Talk: Lockout/Tagout

Why it matters

Machines that start up or release stored energy during service kill and maim workers. Lockout/tagout prevents that.

Talking points

• Know the energy: electrical, hydraulic, pneumatic, mechanical, thermal and gravity can all hurt you.
• Shut down and isolate: turn off the machine, then open the disconnect, close valves and block moving parts.
• Lock and tag: put your own lock and tag on every energy-isolating device. Your lock, your key.
• Release stored energy: bleed pressure, discharge capacitors, block raised parts and release springs.
• Verify: try to start the machine, and test with a meter where needed, to prove the energy is off. Then return controls to off.
• Removal: only the person who put on a lock may remove it. Never bypass or cut off someone else's lock.

Ask the crew

1. What energy sources does this machine have?
2. Where are the isolation points, and who has the locks?
3. What do we do if a lock owner isn't here at the end of the shift?

Before we start work today: Confirm everyone who will touch the machine has their own lock and tag and knows the procedure.

Who attended

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Source: OSHA 1910.147: Control of hazardous energy. General safety information only, not legal advice; follow your employer’s program, the manufacturer’s instructions and current regulations. Keep signed sheets with your safety records. FirstDayTraining.com · Todd Allyn Media Inc.