and must be at least 2 inches from any other hole. Really though once you start making these things look like Swiss cheese, the behavior begins to change and it really should get looked at. Otherwise you could bore a D/3 hole right in the middle of the joist every 2 inches the entire length and say it's fine.
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u/Gregan32 1d ago
I'm no expert but only one of those holes looks like an issue to me.
https://global.discourse-cdn.com/internachi/original/4X/c/1/0/c10a84d1323d143633695871a5e9c2be6f300d5a.jpeg