NM CID GF-5 Practice Questions - New Mexico CID GF-5 Recreation Areas Contractor Examination Exam

A 4-inch-thick park sidewalk should have contraction (control) joints at about what spacing?

Every 50 to 60 feet regardless of thickness About 24 to 36 times the slab thickness, so roughly 8 to 12 feet Only at the ends of the walk Never, if fiber reinforcement is used

Correct Answer:

About 24 to 36 times the slab thickness, so roughly 8 to 12 feet

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