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The Harvard University Control of Hazardous Energy Standard establishes the minimum requirements for the lockout and tagout of energy-isolating devices to prevent an unwanted release of hazardous energy during any servicing, maintenance, or modification activity. It shall be used to ensure that the affected equipment or system is isolated from all potential hazardous energy and is locked/tagged out before authorized employees perform any maintenance activities where the unexpected start-up or release of stored energy could cause a serious personal injury or a fatality.
The Occupational Safety and Health Administration (OSHA) requires employers to develop and implement a comprehensive standard outlining procedures for employees to lockout or tagout energy-isolating devices, and to release stored energy during routine and emergency maintenance activities. The procedures and standard below are based upon the OSHA General Industry Standard 29 CFR 1910.147 and the National Fire Protection Association (NFPA) standard 70E which requires the control of hazardous energy sources.
These procedures must be strictly followed when it is necessary to work on any equipment that may release any form of hazardous energy including, but not limited to, electrical, rotational, mechanical, chemical, hydraulic, or pneumatic energy, while the equipment is shut down.
The Department of Environmental Health and Safety (EH&S) is responsible for providing appropriate technical support to the Faculties and Departments covered by the Control of Hazardous Energy Standard. The following services are available from EH&S:
