WebThe drainage fixture unit (DFU) load for each 3.5 (or higher) GPF water closet shall be as indicated in Table 11.4.1. 11.5.7 Drainage From Showers Drain pipe sizing for showers shall be based on Table 11.5.7. NOTES FOR TABLE 11.5.7 1. The drainage is based on 2.5 gpm shower heads. 11.6 Effect of Offsets in Sanitary Drain Stacks WebSTART OF 2-INCH MINIMUM (3 DFU)~ "'-TUB/SHOWER WET VENT WET VENT DRAIN (2 DFU) 2-INCH MINIMUM WET VENT A BATHROOM GROUP LOCATED ON THE SAME FLOOR LEVEL MAY BE VENTED BY A HORIZONTAL WET VENT - THE LENGTH OF THE TRAP ARM MUST NOT EXCEED THE LIMITS OF TABLE 1002.2.
Drain Fixture Units: DFUs - InspectAPedia
WebOther examples of air admittance valves (AAV s) or inline vents include models produced Keeney Mfg. Vanity Installation Kit, and the Oatey 20 DFU Sure-Vent (Oatey 39016 or 39017 and other models). Most of the AAV manufacturers offer a range of AAV models. The Oatey SUre-Vent 39016 includes ANSI ASSE certifications stamped right on the valve top. WebShower compartments having not less than 25 inches (635 mm) in minimum dimension measured from the finished interior dimension of the compartment provided that the shower compartment has a cross-sectional area of not less than 1,300 square inches (0.838 m 2 ). P2708.1.1Access. hayward process server
Chapter 7: Sanitary Drainage, 2024 FBC - UpCodes
WebWhen it comes to plumbing, the fixture unit (FU) or drain fixture unit (DFU) is basically a unit of measure. This unit of measure is based on the rate of discharge, the frequency of use … WebThe diameter of individual vents, branch vents, circuit vents and relief vents shall be not less than one-half the required diameter of the drain served. The required size of the drain shall be determined in accordance with Table 710.1 (2). Vent pipes shall be not less than 1 1 / 4 inches (32 mm) in diameter. WebOct 5, 2024 · This was based on the lowering of the showerhead flow rate to 2.5 gal. per min. As the plumbing engineers pointed out, a 1 1/2 in. shower drain pitched 1/4 in. per ft., flowing half full, will accommodate 4.9 gpm with the roughest piping material, which happens to be cast iron. hayward product registration