SC Wood Frame Structures Practice Questions - South Carolina Wood Frame Structures Contractor Examination Exam

A plumber wants to cut a 4-inch hole through the OSB web of a prefabricated wood I-joist. What is the correct control?

Treat the I-joist like a 2×10 and apply the one-third-depth sawn-lumber hole rule Notch the flanges freely; only the web is structural Any hole is allowed in the middle third of an I-joist span Cut holes only where the I-joist manufacturer's hole chart or the registered design professional permits

Correct Answer:

Cut holes only where the I-joist manufacturer's hole chart or the registered design professional permits

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