A floor opening cuts joists for a dumbwaiter shaft. What framing should carry the cut joist loads?
Correct Answer
A) Headers.
Floor openings require headers, trimmers, or an engineered detail to carry cut-joist loads.
Why This Is the Correct Answer
Floor openings require headers, trimmers, or an engineered detail to carry cut-joist loads.
Why the Other Options Are Wrong
Option B: Engineer signoff.
Engineer signoff. may relate to another site control, but it does not remove or guard the floor opening framing exposure being tested.
Option C: Fastener capacity.
Fastener capacity. may relate to another site control, but it does not remove or guard the floor opening framing exposure being tested.
Option D: Fireblocking.
Fireblocking. may relate to another site control, but it does not remove or guard the floor opening framing exposure being tested.
Memory Technique
Floor Opening Framing lock for Reviewing Shaft: openings is the harm, controlling is the guard.
Reference Hint
Study anchor (closed-book): memorize Floor opening framing from California Residential Code, California Code of Regulations Title 24. / Title 24 California Residential Code floor opening framing concepts; know the rule or calculation trigger without relying on exam-room lookup.
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