Mistake & recovery · #120Routing duct through a structural bay without engineering approval for the opening
3rd YearInstallation
Any penetration through a structural member — beam web, joist chord, load-bearing wall — requires a stamped engineering detail. Submit an RFI before cutti…
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Do not
Do not hide, force, cover, or “make it work” if this affects safety, access, airflow, rated assemblies, supports, equipment, or inspection. Stop and verify the approved correction.