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Class B TradeFraming & Structuralmedium20% of exam part

Roof diaphragm sheathing is fastened with the wrong nail size compared with the structural schedule. What is the issue?

Correct Answer

C) The specified fastening and associated diaphragm performance are not established.

The installed nail size does not establish the scheduled diaphragm performance. Restore the specified installation or obtain a justified approved revision; arbitrary substitution is not a capacity check. Source: https://www2.strongtie.com/webapps/sitebuiltshearwalldesigner/

Answer Options
A
Any larger nail automatically produces a compliant diaphragm.
B
Nail size affects appearance only.
C
The specified fastening and associated diaphragm performance are not established.
D
The roof finish alone compensates for every incorrect fastener.

Why This Is the Correct Answer

The installed nail size does not establish the scheduled diaphragm performance. Restore the specified installation or obtain a justified approved revision; arbitrary substitution is not a capacity check. Source: https://www2.strongtie.com/webapps/sitebuiltshearwalldesigner/

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