SC Water And Sewer Plants Practice Questions - South Carolina Water And Sewer Plants Contractor Examination Exam

Under OSHA 29 CFR 1926 Subpart AA, which three conditions must all be present for a space to be a confined space?

It is below grade, contains a liquid, and requires a permit It is large enough to enter and work, has limited or restricted entry or exit, and is not designed for continuous occupancy It has a hazardous atmosphere, an engulfment hazard, and inward-sloping walls It is a tank or wet well, is deeper than 4 feet, and requires forced-air ventilation

Correct Answer:

It is large enough to enter and work, has limited or restricted entry or exit, and is not designed for continuous occupancy

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