For post-tensioned concrete slabs in California, the CBC requires that stressing operations must be performed by workers holding what qualification?
Correct Answer
C) Certification from the Post-Tensioning Institute (PTI)
CBC Section 1908.8.1 requires that post-tensioning operations be performed by personnel certified by the Post-Tensioning Institute (PTI) or equivalent approved certification. This ensures proper installation of post-tensioned systems, which are critical for structural integrity in California construction.
Why This Is the Correct Answer
CBC Section 1908.8.1 requires that post-tensioning stressing operations be performed by personnel certified by the Post-Tensioning Institute (PTI) or an equivalent approved certification. PTI certification ensures workers understand the unique hazards and technical requirements of post-tensioned systems.
Why the Other Options Are Wrong
Option A: A California concrete contractor's license
A California concrete contractor's license covers the right to perform concrete work but does not specifically qualify workers to perform post-tensioning stressing operations. The PTI certification is a separate, specialized credential required by the CBC.
Option B: OSHA 30-hour construction safety certification
OSHA 30-hour certification is a safety training credential, not a qualification for post-tensioning stressing operations. Safety training and technical certification are separate requirements.
Option D: A valid California driver's license
A valid California driver's license is irrelevant to construction qualifications. This option is a distractor testing whether candidates know the correct technical certification requirement.
Memory Technique
PTI = Post-Tensioning Institute. Match the acronym to the operation: Post-Tensioning → PTI certification. The institute that defines the standards also certifies the workers.
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