Use of an electronic back-up mirror used with a with a reverse audible alarm.

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.

December 18, 1984

Honorable Hal Daub
U.S. House of Representatives
Washington, D.C. 20515

Dear Congressman Daub:

This is in response to your inquiry of November 21, concerning a product brought to your attention by your constituent, Mr. Lee Terry of Con-Serv, Inc., in Omaha, Nebraska.

Noise and potential hazard of backup alarms on equipment at construction sites.

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 29, 1991

The Honorable Tom Harkin
United States Senator
Post Office Box 74884
Cedar Rapids, Iowa 52407-4884

Dear Senator Harkin:

Thank you for your letter of September 24 on behalf of your constituent, Mr. Waldo Morris, concerning the added noise and potential hazard of backup alarms on equipment at construction sites.

Requirements for back-up alarms on construction vehicles.

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.

November 3, 1998

Ms. Sue Nunn
1005 Caribbean Avenue
Ft. Pierce, FL 34982

Re: §1926.52, 1926.601(b)(4), and 1926.602(a)(9)

Dear Ms. Nunn:

Alternatives to common back-up alarms on construction motor vehicles; use of other effective technology or observers/signal persons.

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.

September 27, 2004

[Name and address withheld]

Re: §§1926.601(b)(4) and 1926.602(a)(9)

Dear [Name withheld]:

Thank you for your letter of April 30, 2004, regarding noise emanating from excavating equipment and the Occupational Safety and Health Administration (OSHA) requirements for back-up alarms on construction equipment. We apologize for the delay in responding.

We have paraphrased your question as follows:

Whether "discriminating [back-up] alarms" may be used to meet the requirements of 29 CFR 1926.602(a)(9)(ii).

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.