SC Concrete Practice Questions - South Carolina Concrete Contractor Examination Exam

Vertical slip forms must have jacks or other lifting devices equipped with:

Manual hand cranks in place of any holding device Mechanical dogs or other automatic holding devices that support the form if power or the lifting mechanism fails Friction clutches that freewheel when overloaded Timber wedges only, with no mechanical holding device

Correct Answer:

Mechanical dogs or other automatic holding devices that support the form if power or the lifting mechanism fails

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