Water fixture unit chart, 0 FU) due to frequent flushing

Water fixture unit chart, Drainage Fixture Units Chart Chapter 6 water supply and distribution. Sum the FUs and size your main soil stack and water supply lines accordingly using the NPCP pipe sizing charts. We’ll use a 3-story office building for our example. Jan 24, 2026 · Learn how to calculate fixture units for plumbing system design. Here we show that each floor has four water closets, three urinals, and three lavatories. The WSFU (Water Supply Fixture Units) is defined by the Uniform Plumbing Code (UPC) and can be used to determine water supply to fixtures and their service systems. We would like to show you a description here but the site won’t allow us. See the charts for private and public buildings, and the pressure range and maximum allowable length for each pipe size. , 4. 140 (11/16/2009); Resolution 2009-13 (12/14/2009); Resolution 2010-15 (12/13/2010); Ordinance No.


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