What is the minimum dimension for manhole openings?

Study for the Wisconsin Plumbing Test. Utilize flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

What is the minimum dimension for manhole openings?

Explanation:
Access openings must be large enough to allow safe entry and for cleaning and inspection tools to pass through. The standard sets the smallest allowable opening at 23 inches, providing enough clearance for a worker to maneuver and for equipment to fit without getting stuck. Anything smaller would hinder access and risk safety or code compliance. Larger openings, like 25 inches, are allowed but are not the minimum requirement, so 23 inches is the correct minimum.

Access openings must be large enough to allow safe entry and for cleaning and inspection tools to pass through. The standard sets the smallest allowable opening at 23 inches, providing enough clearance for a worker to maneuver and for equipment to fit without getting stuck. Anything smaller would hinder access and risk safety or code compliance. Larger openings, like 25 inches, are allowed but are not the minimum requirement, so 23 inches is the correct minimum.

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