Application of 1926.800 to lone employees working underground in a tunnel or shaft connected to a tunnel.

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.

May 3, 2001

Mr. Craig Jorsch
Safety Coordinator
International Union Operating Engineers, Local 150
20959 West Lockport Road
Plainfield, IL 60544

Re: §1926.800(c) and 1926.800(f)(5); Employees working alone in a tunnel or a shaft connected to a tunnel

Dear Mr. Jorsch:

Construction standards for equipment such as Shuttle Buggy.

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.

May 23, 2001

Mr. Larry R. Jackson
Price, Potter, Jackson & Mellowitz, P. C.
Attorneys at Law
The Hammond Block Building
301 Massachusetts Avenue
Indianapolis, IN 46204

Re: §§1926.600, 1926.601, 1926.555; Roadtec Shuttle Buggy

Dear Mr. Jackson:

This is in response to your February 12, 2001, letter to the Occupational Safety and Health Administration (OSHA) in which you asked whether there are any OSHA construction standards that address equipment such as the Roadtec SB-2500 Shuttle Buggy (Shuttle Buggy).

Safety aspects of personnel and material hoists.

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.

February 17, 1978

Mr. D. D. Brennan
Vice President
Elgood Mayo Corporation
Post Office Box 1413
Lancaster, Pennsylvania 17604

Dear Mr. Brennan:

This is in response to your letter of February 8, 1978, requesting clarification of the applicable construction standards covering the safety aspects of personnel and material hoists.

Cut-and-cover operation regulations of Excavation, Trenching, and Shoring.

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 19, 1976

Methylacetylene-propadiene, stabilized, by definition, is not a liquefied petroleum gas, but is considered as a fuel gas

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.

April 16, 1976

Mr. Richard D. Green
Application & Development Manager
MAPP Products
P.O. Box 105
Springfield, New Jersey 07081

Dear Mr. Green:

This is in response to your letter of March 31, 1976, regarding a clarification of 29 CFR 1926.350 and 29 CFR 1926.800 as they apply to MAPP gas, trade name for methlacetylene-propadiene, stabilized (MPS).

The handling, Storing and Use of MAPP Gas in Underground Construction Work.

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.

April 15 1976

Typographical error in internet text of 1926.800(r)(13)(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.

November 29, 2002

Teyen Hu, P.E.
Office Engineer
U.S. Army Corps of Engineers
SPL-CO-SR

Dear Teyen Hu:

Applicablity of Subpart S to tunnels contructed by auger boring.

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, 2010

Letter #20061017-7300

Re: Applicability of Subpart S to tunnels constructed by auger boring.

This is in response to your letter dated October 17, 2006, to the Occupational Safety and Health Administration (OSHA).  You ask about the application of the underground construction standard, 29 CFR 1926.800, to an auger boring operation.  We apologize for the long delay in responding.

We have paraphrased your questions as follows:

Underground Construction -- Air Quality Record.

  • Publication Date:
  • Publication Type:
  • Fed Register #:
    63:33713-33714
  • Title:

DEPARTMENT OF LABOR

Occupational Safety and Health Administration

[Docket No. ICR-98-11]

Underground Construction--Air Quality Record

AGENCY: Occupational Safety and Health Administration, Labor.

ACTION: Notice of proposed information collection; opportunity for public comment.