Learn how to size a home drainage system, as well as how to calculate drainage fixture units (DFUs) in a residential setting. This video uses the 2018 Uniform Plumbing Code.
0:00 Introduction
1:34 How to calculate drainage fixture units
3:03 How to calculate minimum trap and trap arm size
4:51 How to assign drainage fixture units to each pipe section
8:11 How to calculate pipe size for each section
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Williams is the Northwest’s largest plumbing and civil contractor. We offer a comprehensive line of quality plumbing, civil construction, HVAC, engineering, prefabrication, green energy, and service solutions to meet the needs of just about any building project.
Williams Plumbing & Heating
2131 Industrial Dr.
Bozeman, MT 59715
(406) 587-0969
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