AZ ROC A General Engineering (Commercial) Practice Questions - Arizona ROC A General Engineering (Commercial) Examination Exam

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A sanitary sewer manhole has an incoming sewer lateral whose invert elevation is 30 inches above the manhole main invert channel. According to standard Arizona municipal specifications and MAG details, what structure must be installed?

A standard bench fill without modification A 90-degree long-radius elbow inside the cone An outside drop pipe connection assembly An inline backwater check valve

Correct Answer:

An outside drop pipe connection assembly

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