AL Water Projects Practice Questions - Alabama Water Projects Contractor Examination Exam

Immediately before applying shotcrete to a tank wall or repair area, the receiving surface should be:

Covered with a film of form oil so the shotcrete does not bond Clean, sound, and properly prepared, with loose material, laitance, and rebound removed Left dusty so the first layer can key into the powder Frozen so the shotcrete sets faster

Correct Answer:

Clean, sound, and properly prepared, with loose material, laitance, and rebound removed

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