The OSHA lockout/tagout update

The proposed revision could create challenges for machine builders and manufacturers who want to use advanced control systems for operations and safety.

Proposed OSHA revision could create challenges for machine builders and manufacturers who want to use advanced control systems for operations and safety.
Proposed OSHA revision could create challenges for machine builders and manufacturers who want to use advanced control systems for operations and safety.

In October, the Occupational Safety and Health Administration (OSHA) proposed a change to its Control of Hazardous Energy (lockout/tagout) Standard (29 C.F.R. part 1910.147). The standard, created in 1989, addresses the practices and procedures necessary to disable machinery or equipment in order to prevent the release of hazardous energy while employees perform servicing and maintenance. To that end, it outlines measures for controlling the unexpected startup or release of energy from electrical, mechanical, hydraulic, pneumatic, chemical, thermal or other energy sources in machines, which could seriously injure workers.

The change that OSHA is now considering is the removal of the word “unexpected” from the lockout/tagout description. The suggested change is just one of 18 revisions related to existing standards in the areas of recordkeeping, general industry, maritime and construction—all of which are under review as part of OSHA’s Standards Improvement Projects (SIPs).

The revision to lockout/tagout is meant to clear up any confusion of the meaning of the word “unexpected.” Specifically, OSHA believes the term has been misinterpreted to exclude startup operations or where employees are subject to injury due to the release of stored energy.

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