Mechanical equipment, such as an unguarded agitator, posing a hazard within a permit space must be locked out or tagged.

Archive Notice - OSHA Archive

NOTICE: This is an OSHA Archive Document, and may no longer represent OSHA Policy. It is presented here as historical content, for research and review purposes only.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

March 3, 1994

Mr. Clay Detlefsen, Assistant Director
Environmental & Workers Safety Issues
International Dairy Foods Association
888 Sixteenth Street, N.W.
Washington, D.C. 20006

Dear Mr. Detlefsen:

This is in further response to your October 6, 1993 letter, requesting an interpretation of the Control of Hazardous Energy (Lockout/Tagout) standard, 29 CFR 1910.147, with respect to permit space isolation required by 29 CFR 1910.146.

Use of LOTO device on equipment placed in "out of service" status not related to servicing or maintenance.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

October 11, 2006

Mr. Nick Demianovich
NATLSCO Risk and Safety
4 Corporate Drive, Suite 100
Lake Zurich, IL 60047

Control of Hazardous Energy (Lockout/Tagout) standard.

Archive Notice - OSHA Archive

NOTICE: This is an OSHA Archive Document, and may no longer represent OSHA Policy. It is presented here as historical content, for research and review purposes only.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

July 7, 1994

Mr. Joseph P. Zemen
Contractor Safety Engineer
Amoco Chemical Company
225 North Michigan Avenue
P.O. Box 7516
Chicago, IL 60680

Dear Mr. Zemen:

This is in response to your December 27, 1993 letter, requesting interpretation of the Control of Hazardous Energy (Lockout/Tagout) standard 29 CFR 1910.147. Please accept our apology for the delay in responding. Your questions and our replies follow:

Clarification of the Control of Hazardous Energy (Lockout/Tagout) Standard.

Archive Notice - OSHA Archive

NOTICE: This is an OSHA Archive Document, and may no longer represent OSHA Policy. It is presented here as historical content, for research and review purposes only.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

July 26, 1994

[Name Withheld]

Dear [Name Withheld]:

Authorized employees and periodic lockout/tagout inspections.

Archive Notice - OSHA Archive

NOTICE: This is an OSHA Archive Document, and may no longer represent OSHA Policy. It is presented here as historical content, for research and review purposes only.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

August 5, 1994

Mr. M. L. Hall
Safety/Emergency Response
Program Manager
IBM Mail Drop 3600
Somers, N.Y. 10589

Dear Mr. Hall:

This is in response to your telefaxed memorandum of July 6 to Mr. Ronald J. Davies of my staff requesting clarification of 29 CFR 1910.147 - Control of Hazardous Energy Standard. Specifically, you requested confirmation that the individual performing a periodic inspection required by 1910.147(c)(6) must be an authorized employee.

Evaluation of proposed modifications to the Bureau of Prisons' Lockout/Tagout (LOTO) procedures.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

 

Requirements relating to the operation of a two-spindle reaming/drilling/threading machine in a set-up mode.

Archive Notice - OSHA Archive

NOTICE: This is an OSHA Archive Document, and may no longer represent OSHA Policy. It is presented here as historical content, for research and review purposes only.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

October 1, 1991

Mr. Boris Parad
Boris Parad and Associates
Attorneys and Counselors at Law
4711 Golf Road, Suite 700
Skokie, Illinois 60076

Dear Mr. Parad:

Thank you for your letters of March 28 and May 31, inquiring about the safety, ergonomic features, standards, and requirements governing the operation of a two-spindle reaming/drilling/ threading machine in a set-up mode. Please accept our apology for the delay in response.

Application of the Lockout/Tagout standard to die-setting activities and other machine setup operations.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

 

 

Evaluation of the ElectroGuard disconnect system for use as an energy isolating device.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

 

Clarification about 29 CFR 1910.333 and 29 CFR 1910.147 as they relate to work inside an electrical panel and on related equipment.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

July 28, 2006

Mr. Rick Kante
Safety Director
Briggs & Stratton Corporation
P.O. Box 702
Milwaukee, WI 53201

Dear Mr. Kante: