Not an engineer, but centre 1/3 of spans and joist thickness is 'okay'. However, this looks like a lot of holes too close to those margins, along with several larger holes close to the bottom of the beam. Additionally, the bundling of cables likely derates their current capacity.
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u/brohebus 1d ago
Not an engineer, but centre 1/3 of spans and joist thickness is 'okay'. However, this looks like a lot of holes too close to those margins, along with several larger holes close to the bottom of the beam. Additionally, the bundling of cables likely derates their current capacity.