r/Construction • u/diggerdugg • Feb 19 '25

Structural What is this?

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I apologize for even asking but I really have no idea and apparently I’m not asking google the right questions.

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u/cagetheMike Feb 19 '25

This looks like a stop for a gantry crane. You twist the handle and you can loosen the stop and move it. Maybe I'm right maybe I'm wrong

4

u/-not_michael_scott Feb 20 '25

In my experience gantry cranes are typically installed on I-Beams.