TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER r: WATER AND SEWAGE
PART 890 ILLINOIS PLUMBING CODE
SECTION 890.APPENDIX A PLUMBING MATERIALS, EQUIPMENT, USE RESTRICTIONS AND APPLICABLE STANDARDS



Section 890.APPENDIX A Plumbing Materials, Equipment, Use Restrictions and Applicable Standards

 

Section 890.TABLE E Drainage Fixture Units (D.F.U.) Per Fixture Group

 

Type of Fixture

 

D.F.U./Fixture (Load)

Minimum Size of Trap2 (inches)

 

 

 

Bathroom groups:

1 tank water closet, 1 lavatory

with 1 inch trap and 1

bathtub1 or shower stall

7

1

1 water closet with flush valve, 1

lavatory with 1 inch trap and 1

bathtub or shower1

11

 

Bathtub (with or without overhead shower)1

2

1

Bathtub1

3

2

Bidet

2

1

Clothes washer, automatic

3

2

Dental unit or cuspidor

1

1

Drinking fountain

1

Dishwasher2, domestic

2

1

Floor drains

See Appendix A, Table F

2

Lavatories:

 

 

Lavatory

1

1

Lavatory

2

1

Lavatory, barber, beauty parlor

2

1

Lavatory, dental

1

1

Lavatory, surgeon's

2

1

Laundry tray (1 or 2 compartments)

2

1

 

Type of Fixture

 

D.F.U./Fixture (Load)

Minimum Size of Trap2 (inches)

 

 

 

Shower stall

3

2

Showers (group) per head2

3

2


Sinks:

 

 

Combination sink and tray

3

1

Combination sink and tray with

food-disposal unit

4 Separate Traps

1

Flushing rim (with valve)

8

3

Kitchen sink, domestic

2

1

Kitchen sink, domestic, with food-waste

grinder

3 Separate Traps

1

Pot, scullery, etc.2

4

1

Service (P trap)

3

3

Service (P trap)

2

2

Surgeon's

3

1

Wash sink2 (circular or multiple),

each set of faucets

2

1

Urinals:

 

 

Urinal, pedestal, siphon jet, blowout

8

2

Urinal stall

3

2

Urinal, wall integral trap

3

2

Urinal, wall P trap, exposed

2

1

Water closets:

 

 

Tank operated

4

3

Valve-operated

8

3

1A shower head over a bathtub does not increase the fixture value.

2See Appendix A: Table F and Section 890.1330(b) for method of determining unit values of fixtures not listed in this Table or for rating of devices with intermittent flows.

 

(Source: Amended at 28 Ill. Reg. 4215, effective February 18, 2004)