• Codes
  • Features
    UpCodes Web UpCodes AI
  • Pricing
  • Sign Up
  • Log in
Log in
Sign Up
  • Code Library
  • Features
  • Pricing
  • About
  • Contact
  • Terms
  • Privacy
// CODE SNIPPET

709.1 Values for Fixtures

Plumbing Code 2015 of Utah > 7 Sanitary Drainage > 709 Fixture Units > 709.1 Values for Fixtures
JUMP TO FULL CODE CHAPTER
Drainage fixture unit values as given in Table 709.1 designate the relative load weight of different kinds of fixtures that shall be employed in estimating the total load carried by a soil or waste pipe, and shall be used in connection with Tables 710.1(1) and 710.1(2) of sizes for soil, waste and vent pipes for which the permissible load is given in terms of fixture units.

TABLE 709.1 DRAINAGE FIXTURE UNITS FOR FIXTURES AND GROUPS

FIXTURE TYPE DRAINAGE FIXTURE UNIT
VALUE AS LOAD FACTORS
MINIMUM SIZE OF TRAP
(inches)
Automatic clothes washers, commerciala,g 3 2
Automatic clothes washers, residentialg 2 2
Bathroom group as defined in Section 202
(1.6 gpf water closet)f
5 ‒
Bathroom group as defined in Section 202
(water closet flushing greater than 1.6 gpf)f
6 ‒
Bathtubb (with or without overhead shower or whirpool attachments) 2 11/2
Bidet 1 11/4
Combination sink and tray 2 11/2
Dental lavatory 1 11/4
Dental unit or cuspidor 1 11/4
Dishwashing machinec, domestic 2 11/2
Drinking fountain 1/2 11/4
Emergency floor drain 0 2
Floor drainsh 2h 2
Floor sinks Note h 2
Kitchen sink, domestic 2 11/2
Kitchen sink, domestic with food waste disposer and/or dishwasher 2 11/2
Laundry tray (1 or 2 compartments) 2 11/2
Lavatory 1 11/4
Shower (based on the total flow rate through showerheads and body sprays)
Flow rate:
5.7 gpm or less 2 11/2
Greater than 5.7 gpm to 12.3 gpm 3 2
Greater than 12.3 gpm to 25.8 gpm 5 3
Greater than 25.8 gpm to 55.6 gpm 6 4
Service sink 2 11/2
Sink 2 11/2
Urinal 4 Note d
Urinal, 1 gallon per flush or less 2e Note d
Urinal, nonwater supplied 1/2 Note d
Wash sink (circular or multiple) each set of faucets 2 11/2
Water closet, flushometer tank, public or private 4e Note d
Water closet, private (1.6 gpf) 3e Note d
Water closet, private (flushing greater than 1.6 gpf) 4e Note d
Water closet, public (1.6 gpf) 4e Note d
Water closet, public (flushing greater than 1.6 gpf) 6e Note d

For SI: 1 inch = 25.4 mm, 1 gallon = 3.785 L, gpf = gallon per flushing cycle, gpm = gallon per minute.
a. For traps larger than 3 inches, use Table 709.2.
b. A showerhead over a bathtub or whirlpool bathtub attachment does not increase the drainage fixture unit value.
c. See Sections 709.2 through 709.4.1 for methods of computing unit value of fixtures not listed in this table or for rating of devices with intermittent flows.
d. Trap size shall be consistent with the fixture outlet size.
e. For the purpose of computing loads on building drains and sewers, water closets and urinals shall not be rated at a lower drainage fixture unit unless the lower values are confirmed by testing.
f. For fixtures added to a bathroom group, add the dfu value of those additional fixtures to the bathroom group fixture count.
g. See Section 406.2 for sizing requirements for fixture drain, branch drain and drainage stack for an automatic clothes washer standpipe.
h. See Sections 709.4 and 709.4.1.
Share URL

Copy and paste the link below into emails, chats or browsers.

Copy

You can also copy or bookmark the link from your browser's address bar.

Related Code Sections


709.1 Sanitary Drainage, Values for Fixtures
Drainage fixture unit values as given in Table 709.1 designate the relative load weight of different kinds of fixtures that shall be employed ...
Plumbing Code 2015 of Utah > 7 Sanitary Drainage > 709 Fixture Units > 709.1 Values for Fixtures
Section P3004 Sanitary Drainage, Determining Drainage Fixture Units
The load on DWV-system piping shall be computed in terms of drainage fixture unit (d.f.u.) values in accordance with Table P3004.1. TABLE ...
Residential Code 2015 of Utah > 30 Sanitary Drainage > P3004 Determining Drainage Fixture Units
P3005.1.5 Sanitary Drainage, Provisions for Future Fixtures
Where drainage has been roughed-in for future fixtures, the drainage unit values of the future fixtures shall be considered in determining ...
Residential Code 2015 of Utah > 30 Sanitary Drainage > P3005 Drainage System > P3005.1 Drainage Fittings and Connections > P3005.1.5 Provisions for Future Fixtures
P2903.6 Water Supply and Distribution, Determining Water Supply Fixture Units
value of a fixture with similar flow characteristics. TABLE P2903.6 WATER-SUPPLY FIXTURE-UNIT VALUES FOR VARIOUS PLUMBING FIXTURES AND FIXTURE ...
Residential Code 2015 of Utah > 29 Water Supply and Distribution > P2903 Water Supply System > P2903.6 Determining Water Supply Fixture Units
709.4.1 Sanitary Drainage, Clear-Water Waste Receptors
, ice bins, coolers and freezers, such receptors shall have a drainage fixture unit value of onehalf ...
Plumbing Code 2015 of Utah > 7 Sanitary Drainage > 709 Fixture Units > 709.4 Values for Indirect Waste Receptor > 709.4.1 Clear-Water Waste Receptors
About UpCodes

UpCodes provides an intuitive resource to navigate building regulations.

Codes are organized by jurisdiction to help you understand which regulations apply to your project.


Find Your Codes
COMPANY INFO About Contact Careers Terms Privacy
CATEGORY General New York City New York State California Codes Building Codes Online
PREMIUM Features Pricing Sign Up Log In
CODES IBC 2015 IRC 2015 IPC 2015 California Building Code 2016 Popular Sections

FOLLOW US