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OSHA Erection Requirements

OSHA Erection Requirements

OSHA Erection Requirements

(OP)
I am currently working on a project that is heading into the steel erection phase. The contractor called me up and asked me to write a letter saying that the concrete has attained at least 75% compressive strength so they can begin steel erection. This is a requirement of OSHA.

I have been doing this for a while and this question pops up from time to time. I refused to write the letter for the contractor stating the fact that nowhere in OSHA does it require that the letter needs to come from an engineer. This didn’t go over well with the contractor. Now I am finding out that the contractor questioning my experience/abilities with the type of project to my client.

Am I being to difficult with the contractor? Do others write these letters for the contractor when requested?

RE: OSHA Erection Requirements

I've never heard of that requirement (I'm in Canada, I believe you're US). Personally, if the contractor provided me with test reports showing the concrete had in fact reached 75% I would write the letter.

I would most definitely add a note to the letter stating that my opinion is based on the concrete test reports provided and it is the contractors responsibility to confirm the quality and strength of the concrete throughout the project. It does seem a bit much to put your neck on the line in this situation...but in the interest of keeping everyone happy and productive, I would write the letter with the above mentioned note (or similar CYA language)

RE: OSHA Erection Requirements

Hmmm...sounds like part of the job of one of the project's Independent Testing/Inspection Agencies. I assume that you were not retained to perform any of that work, so I say no. Why can't the testing agency write a letter to the contractor saying that the concrete is at least at 75% f'c?

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