Rhode Island Journeyman Plumber Practice Exam 2025 - Free Journeyman Plumber Practice Questions and Study Guide

Question: 1 / 400

What is the minimum depth for water services to be installed below grade?

2 feet

4 feet

The minimum depth for water services to be installed below grade is indeed 4 feet. This requirement is put in place to protect the water supply lines from freezing temperatures, which can be a significant concern in many climates. When water service lines are buried at this depth, they are less likely to be exposed to surface fluctuations in temperature that could lead to freezing. Additionally, this depth provides adequate protection against potential physical damage from frost or surface activities, such as vehicles or heavy landscaping.

Understanding the importance of this regulation is crucial for ensuring a safe and reliable water supply. Different municipalities might have varying codes, but the 4-foot requirement serves as a common standard in many areas, underscoring the importance of adhering to plumbing codes for the protection of both the infrastructure and the public health.

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6 feet

8 feet

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