How to Size a Home Drainage System

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
13:07 Please subscribe to see more tutorials!

▸ Subscribe:    / williamsplumbingheating  
▸ Facebook:   / williamscompanies  
▸ Instagram:   / willplumb  
▸ LinkedIn:   / 18171335  

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
http://www.willplumb.com/