Why are steel deck side-lap attachments required?
Correct Answer
B) They connect adjacent deck sheets so the deck acts as detailed
Side-lap attachments connect adjacent sheets and support deck performance as detailed. They do not replace unrelated systems.
Why This Is the Correct Answer
Side-lap attachments connect adjacent sheets and support deck performance as detailed. They do not replace unrelated systems.
Why the Other Options Are Wrong
Option A: Accept the deck based on appearance and confirm side-lap attachment later
Choice A gives They replace concrete reinforcement. Its specific error: the option tries to substitute, waive, or delete the Steel deck sidelap purpose control; the item instead requires They connect adjacent deck sheets so the deck acts as detailed.
Option C: Treat side-lap attachment as a later repair item
In metals work, They waterproof the roof by themselves is the wrong selection for Steel deck sidelap purpose: it solves the wrong trade problem; the field result tied to Steel deck sidelap purpose is They connect adjacent deck sheets so the deck acts as detailed.
Option D: Accept visual appearance as the only field record for sidelap attachment
The trap in D is They set door-frame clearances. That selection is wrong because the option shifts to a different trade task; the tested Steel deck sidelap purpose function or field correction is They connect adjacent deck sheets so the deck acts as detailed; Steel deck s.
Memory Technique
Treat steel deck sidelap purpose like a labeled shelf; only the matching condition belongs with They connect adjacent deck sheets so the deck acts as detailed.
Reference Hint
Open Steel Construction Manual, 15th Ed.; Steel Deck Institute and Steel Joist Institute standard practice; use the index entry or section for "SDI side-lap attachment" to confirm that Side-lap attachments connect adjacent sheets and support deck performance as detailed.
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