§ 53.029 FIXTURE UNIT EQUIVALENTS.

   (A)   Fixture unit equivalents shall be calculated using the following schedule and shall apply to “stubbed in” or “roughed in” fixture units as well as those fixtures being installed.

Kind of Fixture	Trap and Trap Arm Unit Size	Equivalents
Bathtubs	1-1/2”	2
Bidets	1-1/2”	2
Dental unit or cuspidors	1-1/4”	1
Dishwashers (residential)	1-1/2”	2
Drinking fountains	1-1/4”	1
Floor drains	2”	2
Interceptors for grease, oil, solids and the like	2”	3
Interceptors for sand, auto, wash and the like	3”	6
Laundry tubs	1-1/2”	2
Clothes washers	1-1/2”	2
Receptors, (floor sinks), indirect waste receptors for refrigerators, coffee urns, water stations and the like	1-1/2”	1
Receptors, indirect waste receptors for commercial sinks, dishwashers, air washers and the like	2”	3
Showers, single stall	2”	2
Showers, gang (per shower head)	2”	1
Sinks, bar, private	1-1/2”	1
Sinks, bar, commercial	1-1/2”	2
Sinks, commercial or industrial, schools and the like, including dishwashers, wash-up sinks and wash fountains	1-1/2”	3
Sinks, flushing rim, clinic	3”	6
Sinks, double (residential kitchen)	1-1/2”	2
Sinks, service	2”	3
Urinals, pedestal	3”	6
Urinals, stall	2”	2
Urinals, trough	1-1/2”	3
Wash basins, (lavatories) single	1-1/4”	1
Wash basins, in sets	1-1/2”	2
Water closet, tank type	3”	4
Water closet, flush valve type	3”	6

 

   (B)   The unit equivalents of plumbing fixtures not listed above shall be based on the following schedule in the next column:

Trap or Trap Arm Size	Unit Equivalent
1-1/4”	1
1-1/2”	3
2”	4
3”	6
4”	8
5”	10
6”	12

 

(Prior Code, § 137.5.13) (Ord. 171, passed 7-7-1958; Ord. 339, passed - -; Ord. 480, passed 3-6-2003; Ord. 577, passed 11-6-2014)