A 4-inch diameter building drain has a total developed length of 80 feet and serves a total of 120 drainage fixture units (dfu). Using Table 906.1, what is the minimum required size for the vent stack?
A 4-inch diameter building drain has a total developed length of 80 feet and serves a total of 120 drainage fixture units (dfu). Using Table 906.1, what is the minimum required size for the vent stack?