AL Concrete Pavement Practice Questions - Alabama Concrete Pavement Contractor Examination Exam

What is the purpose of a manhole invert channel in a sanitary sewer system?

To store grit until vacuum trucks arrive To guide flow smoothly through the manhole and reduce turbulence and solids deposition To provide a dry work platform above the flow line To replace the need for upstream cleanouts

Correct Answer:

To guide flow smoothly through the manhole and reduce turbulence and solids deposition

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