DRAINAGE FIXTURE UNITS (DFU)

Drinking Fountain

1

Dental Cuspidor

1

Lavatory-Wash Basin Single

1

Bar Sink Private

1

Receptors (floor sinks), refrigerators, coffee urns, water stations

1

Bathtub

2

Bidet

2

Urinal Washout

2

Wash Basin in Sets

2

Laundry Tub

2

Sink dishwasher residential

2

Sink Bar Commercial

2

Shower Single Stall

2

Urinal Washdown or Siphon Jet

2

Urinal Stall

2

Floor Drain

2

Clotheswashers

2

Commercial or Industrial Sink

3

Interceptors for grease, oil

3

Receptors for Commercial Sinks, Dishwashers, Air washers

3

Urinal Wall-mounted only

3

Service Sink

3

Water Closet Private

4

Water Closet Public

6

Interceptors for Sand, Autowash

6

Mobile Home Park Traps

6

Flushing Rim Sink Clinic

6

Urinal Pedestal

6

Urinal Blowout

6