They could be expansion cracks. Otherwise concrete cracks that's just the nature of the beast
Ditto on the 1st response.
You should address this concern with the management staff as this post is absolutely not for asking the general public for engineering opinions on whether or not something is structurally sound or safe.
Three times out there now I need to pay attention and see. I can't see it being an issue. Could be like the ones in basements for expansion during hit and cold. On purpose ones
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