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

Low-pressure air testing of a new gravity sewer is primarily used to verify which of the following?

That the pipe has the correct color coding That joints and pipe wall are sufficiently watertight against infiltration and exfiltration That the trench was excavated to rock That the force main pumps are correctly sized

Correct Answer:

That joints and pipe wall are sufficiently watertight against infiltration and exfiltration

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