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NM CID GS-4 Practice Questions - New Mexico CID GS-4 Concrete, Cement, Walkways And Driveways Examination Exam

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Per ACI 318 Table 20.5.1.3.1 and IRC R403.1.3.5.3, the minimum concrete cover for reinforcement in concrete cast against and permanently exposed to earth is:
Correct Answer:
3 inches

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