Clarification on rigging for hoisting multiple bundles of construction materials

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 6, 2019
Michael Mason, Senior SHE Manager
Balfour Beatty Construction
387 South 33rd St.
Philadelphia, PA 19104

Dear Mr. Mason:

Thank you for your letter to the Occupational Safety and Health Administration (OSHA), in which you asked questions about hoisting materials.

More specifically, you provided two rigging scenarios for hoisting different materials and asked if such lifts are permissible under 29 CFR 1926.753(e) or 29 CFR 1926.251. The scenarios you provided are as follows:

Whether a tower crane boom or counterweight may be used over public streets or occupied buildings

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.

Mark S. Alexander Sr.
A-Z Support Company, LLC
7 East Vine Street
Stowe, PA 19464

Dear Mr. Alexander,

Thank you for your October 1, 2012 letter to the Occupational Safety and Health Administration (OSHA) Directorate of Construction. You asked whether a tower crane boom or counterweight may be used over public streets or occupied buildings under the Cranes and Derricks in Construction standard.