NM Plumbing Inspector Practice Questions - New Mexico CID Plumbing Inspector Examination Exam

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A water-service pipe and a building sewer are laid in the same trench. Which installation should the inspector accept under typical UPC 2021 Section 609.2 underground-separation rules?

Water and sewer in the same plane, 6 inches apart Water at least 12 inches horizontally from the sewer, or crossing above the sewer with at least 12 inches vertical clearance Water under the sewer with no clearance No separation is required if both pipes are plastic

Correct Answer:

Water at least 12 inches horizontally from the sewer, or crossing above the sewer with at least 12 inches vertical clearance

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