NM CID GS-24 Practice Questions - New Mexico CID GS-24 Structural Steel Erection Examination Exam

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Before steel erection begins, the steel erector must have written notice that footing, pier, or wall concrete has reached which condition?

28-day design strength on laboratory-cured cylinders only Any strength the ironworkers judge by striking the concrete 75 percent of intended minimum compressive design strength, or enough strength to support the erection loads, based on field-cured ASTM tests 50 percent of design strength on the batch ticket

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75 percent of intended minimum compressive design strength, or enough strength to support the erection loads, based on field-cured ASTM tests

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