Which CBC section specifically addresses seismic design requirements for wood-frame construction?
Correct Answer
A) Section 2308
CBC Section 2308 specifically covers conventional wood frame construction requirements including seismic provisions for wood-framed buildings.
Why This Is the Correct Answer
CBC Section 2308 covers conventional light-frame wood construction, including prescriptive seismic provisions such as braced wall line requirements, shear wall configurations, and diaphragm rules specifically applicable to wood-framed buildings. It is the go-to section for standard residential wood construction seismic compliance.
Why the Other Options Are Wrong
Option B: Section 1613
CBC Section 1613 contains the general seismic load provisions (earthquake loads) applicable to all structures — it references ASCE 7 and establishes site class and spectral acceleration requirements. It is not specific to wood-frame construction; it applies across all building types.
Option C: Section 2315
CBC Section 2315 covers diaphragms and shear walls in wood construction but is a subsection within the broader wood chapter. It addresses the design of specific components rather than the overall seismic framework for conventional wood-frame buildings.
Option D: Section 2305
CBC Section 2305 covers general design requirements for wood shear walls and diaphragms using engineered methods. It precedes and complements Section 2308 but does not specifically address conventional (prescriptive) wood-frame seismic requirements as a whole.
Memory Technique
Remember '2308 = wood frame seismic.' The 23xx series is the wood chapter in CBC. Within it, 2308 is conventional construction. Think: '2308 builds a wood house the California way — seismic included.'
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