Which codes provide fixture unit values and pipe sizing guidelines used to determine pipe size?

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Multiple Choice

Which codes provide fixture unit values and pipe sizing guidelines used to determine pipe size?

Explanation:
Sizing pipe properly comes from plumbing codes that assign fixture unit values to different fixtures and provide corresponding sizing tables. The International Plumbing Code and the Uniform Plumbing Code are the main sources that publish these fixture unit values and the associated pipe sizing guidelines. Many jurisdictions adopt one of these codes or use local codes that reference them, so the practical source of sizing data is often IPC, UPC, or the jurisdiction’s local code. National Plumbing Code is regional and not universally applied, and the International Building Code focuses on overall construction rules rather than detailed plumbing fixture units and piping sizes. That’s why the best fit for determining pipe size is IPC/UPC or local codes.

Sizing pipe properly comes from plumbing codes that assign fixture unit values to different fixtures and provide corresponding sizing tables. The International Plumbing Code and the Uniform Plumbing Code are the main sources that publish these fixture unit values and the associated pipe sizing guidelines. Many jurisdictions adopt one of these codes or use local codes that reference them, so the practical source of sizing data is often IPC, UPC, or the jurisdiction’s local code.

National Plumbing Code is regional and not universally applied, and the International Building Code focuses on overall construction rules rather than detailed plumbing fixture units and piping sizes. That’s why the best fit for determining pipe size is IPC/UPC or local codes.

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