AL Sewer Projects Practice Questions - Alabama Sewer Projects Contractor Examination Exam

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On plan and profile drawings for a sewer project, the invert elevation of a pipe is best defined as which of the following?

The elevation of the top of the pipe crown The elevation of the inside bottom of the pipe The elevation of the finished pavement surface The elevation of the manhole rim only

Correct Answer:

The elevation of the inside bottom of the pipe

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