A floor opening cuts joists for a dumbwaiter shaft. What framing should carry the cut joist loads?
Correct Answer
A) Designed header-and-trimmer framing or an approved equivalent support detail.
The cut joists need a designed support path around the opening. Header-and-trimmer framing and its connections can provide it when properly sized; fireblocking serves a different purpose.
Why This Is the Correct Answer
The cut joists need a designed support path around the opening. Header-and-trimmer framing and its connections can provide it when properly sized; fireblocking serves a different purpose.
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