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Equipment Installation

Equipment Installation

Equipment Installation

(OP)
I am working at a facility where they are installing two post automotive hoists (as in a garage).  The concrete floor isn't level, and they are trying to level the base plates of the two posts for each hoist.  They are cutting 1" thick steel "shim plates", and using those to try and level the posts.  I believe this is a bad idea. My concern is that the plates will shift or move, and might put shear forces on the anchor bolts.

I would rather they use a jack bolts to level and then grout around the base.

Any opinions?

RE: Equipment Installation

Once you establish the shim thickness attach the shim to the base plate either by a pin or welding the shim to the base  plate if you are worried about movement.

Or if this is a two bolt anchor make it a 4 bolt with the shim if possible.

If this is a the type hoist I think it is you will have small shear at the anchors if the hoist is operated near it's capacity. No problem.  

I think the shim are the better way.

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