Written notification of ASTM strength test for mortar in masonry piers/walls prior to steel erection.

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 21, 2003

Rashod R. Johnson
Director of Engineering
Mason Contractors Association of America
33 S. Roselle Road
Schaumburg, Illinois 60193

Re: Requirement in 29 CFR 1926.752 for steel erector to obtain written notification of strength test for mortar in masonry piers/walls prior to steel erection.

Dear Mr. Johnson:

Steel erection columns must be anchored by 4 rods and meet 300-lb strength criteria.

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 27, 2004

Mr. L. Carlos Garcia
Project Manager
Urban Associates LP
1400 Geronimo
San Antonio, TX 79925

Re: Under Part 1926 Subpart R, is it permissible to field-weld a column to a base plate that has four anchor rods welded to its bottom side and is already embedded in the footing?

Dear Mr. Garcia:

Notification requirements for concrete compressive strength and anchor bolt modifications.

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 23, 2005

Mr. Skinner
[By e-mail]

Re: Notification requirements for concrete compressive strength and anchor bolt modifications.

Dear Mr. Skinner,

This is in response to the e-mail correspondence you sent to this office on November 17, 2005. Your questions have been paraphrased as follows: