300-03 Lockout/Tagout

A state where a machine, equipment, or system is completely inactive with its energy source isolated.

A device used to physically prevent the operation of an energy control device, usually a multi-lock hasp and padlock.

A tag attached to an energy control device indicating that it should not be operated. It contains information about the situation and responsible personnel.

A kit containing lockouts, tagouts, and other equipment for isolating energy sources during emergencies.

The process of using Lockout/Tagout devices to prevent accidental activation of equipment during emergencies.

The process of ensuring a machine, equipment, or system is in a Zero Mechanical State (ZMS) before applying Lockout/Tagout devices.

An unauthorized attempt to operate a device with a Lockout or Tagout device applied, potentially causing harm.

The responsibility of any person using Lockout/Tagout devices to ensure they are correctly applied and maintained.

A safety procedure applied to valves like natural gas to prevent accidental activation during emergencies. It involves physically securing the valve in the "off" position using a lock and tag device.

When a Lockout/Tagout device is in place, it should only be removed when instructed by the Incident Commander.

A Lockout/Tagout device must be affixed when a valve is closed to prevent flow in the valve.

In residential situations, an explanation should be provided to the building representative about the purpose of the Lockout/Tagout device, and they should contact an electrician before removing it and turning power on.

Lockout/Tagout devices should not be applied to sprinkler control valves, because they might need to be activated in emergencies.

When the power to an elevator is turned off, a Lockout/Tagout device should be affixed to the power control until the building representative or elevator company takes responsibility.

Fire Rescue personnel should remove their Lockout/Tagout device once notified by the elevator company.

Special Operations personnel should apply the proper Lockout/Tagout device to control valves.

i. Six (6) padlocks with two keys.

1. One key should be kept with the padlock
2. The other key on a master key ring ii. Six (6) "Do Not Operate" tags iii. Six (6) wire-wraps iv. Two (2) multi-lock hasps

a. Zero Mechanical State (ZMS) is when a machine, equipment, or system is inoperative and the energy source is isolated. b. Lockout/Tagout devices should be affixed in such a manner to clearly indicate the operation or movement of energy control devices from the "safe" or "off" position is prohibited.

a. A Lockout device is the multi-lock hasp and padlock of a Lockout/Tagout Device. b. The key should remain with the person who places the Lockout device. c. When a Lockout device cannot be applied, a Tagout device should be affixed to the energy control device. When available, physical security is recommended.

a. The Tagout device is the "Do Not Operate" tag of a Lockout Tagout device. b. The Tagout device should be affixed at the same location at which the Lockout device is affixed.

c. Where a Tagout device cannot be affixed directly to the energy control device, the Tagout device should be located as close as possible. Physical security is recommended. The position of the Tagout device should be immediately obvious to anyone attempting to operate the device.

i. Unit ID ii. Company Officer name iii. Station phone number iv. The Communication Center phone number

disconnected from the outlet and the breaker switch placed in the "off" position. A "Do Not Operate" Tagout device should be affixed to the electrical panel in an immediate obvious location, with completed information as to the suspected problem.

the "off" position. A Lockout/Tagout device should be applied to prevent the valve from accidentally being turned to the "on" position during emergency operations.

Incident Commander

the gas utilities company to apply their Lockout/Tagout device.

by the Incident Commander.

an electrician prior to removing the Tagout device and turning breakers to the "on" position.

i. For control valves, all valves that are turned to the "closed" position to prevent flow beyond that valve should have a Lockout/Tagout device. If a Lockout device cannot be affixed, a Tagout device should be affixed to the valve(s), and physical security should be used to prevent accidental opening of the valve(s).

ii. Upon the arrival of Special Operations, the proper control valve Lockout/Tagout device should be applied. iii. Lockout/Tagout devices should not be applied to sprinkler control valve(s). Sprinkler control valves may have an emergency activation or need to open.

the power control. The Lockout/Tagout device should remain in place until the building representative or elevator company assumes responsibility.

the Fire Rescue personnel should return to the scene and remove the Lockout/Tagout device.