Rhode Island Journeyman Plumber Practice Exam

What is the required underground depth for burying a water pipe?

1. 5 feet

2. 10 feet

3. 15 feet

4. 2 feet

The correct answer is: 10 feet

When determining the required underground depth for burying a water pipe, the correct answer is based on local codes and best practices for protecting the pipe from freezing, physical damage, and environmental factors. In many jurisdictions, including Rhode Island, the minimum depth for burying a water pipe is typically around 2 feet, which provides adequate protection against frost in most climates. Choosing a depth of 10 feet is excessive and not typically required for standard plumbing installations. Though local regulations may vary, it is important to refer to specific state plumbing codes that usually recommend a minimum depth of around 2 feet to ensure safety and functionality while also allowing for the natural terrain and soil condition considerations. In summary, the required depth ensures that the water pipe is sufficiently protected without unnecessary excavation. It is essential to adhere to local codes, which will dictate the safe and effective practices for plumbing installations.