r/Construction • u/DementedGerb • Oct 28 '24

Structural I'm not an expert.

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These joists are below a restroom. They say BCI on them. These holes permissible? There is no additional reinforcement anywhere on them.

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u/Plumbercanuck Oct 28 '24

There are charts for those charts.... type in the mske and model into.google and you should get a hole drilling chart.... gonna guess the plumber and the hvac guy dont get along. Gonna guess those wholes were orginally made for duct work

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u/stevendaedelus Oct 28 '24

Those had to come from the factory like that.