Building Drains and Sewers

Number of Drainage Fixture Units connected to a building sewer

building drains sewers slope capacity fixture units

Note! - general charts based on clean pipes. Friction coefficient may vary with pipe material.

The Drainage Fixture Unit Values (DFU) are defined by the Uniform Plumbing Code (UPC), and can be used to determine the required drainage capacity from the fixtures and their service systems.

Related Topics

  • Water Systems - Hot and cold water systems - design properties, capacities, sizing and more

Related Documents

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