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Unexpectedly starting-up or releasing stored energy from building equipment and systems can cause serious personal injuries or fatalities. Hazardous energy, such as electricity, chemical, radiation, pneumatic, hydraulic, mechanical and gravitational energy sources, must be isolated and dissipated before servicing or maintaining equipment. Hazardous energy controls are generally known as Lockout/Tagout, or LOTO, and consist of locks and tags applied to energy-isolating device(s) on equipment that contains the hazardous energy source(s).

EH&S manages theÌýLOTO ProgramÌýfor campus and provides guidance through training, safe work practices and job hazard analyses. This program is applied prior to working on all types of equipment powered by one or more energy sources, whenever an equipment guard is removed, a safety interlock is bypassed, or whenever a person must place any part of their body into potentially-operating equipment.

If you conduct or may conduct lockout tagout procedures, you must take Comprehensive Lockout Tagout Training. This training is required every 2 years. Sign up for this training on the right side of this page. If there are no sessions available, please reach out to EHS.

Contact EH&S for LOTO guidance atÌýehs@colorado.eduÌý

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