TITLE 77: PUBLIC HEALTH
PART 890 ILLINOIS PLUMBING CODE
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SECTION 890.APPENDIX A PLUMBING MATERIALS, EQUIPMENT, USE RESTRICTIONS AND APPLICABLE STANDARDS
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Section 890.APPENDIX A Plumbing Materials, Equipment, Use Restrictions and Applicable Standards

 

Section 890.TABLE H Horizontal Fixture Branches and Stacks

 

 

Maximum Number of Drainage Fixture Units (D.F.U.)

That May be Connected to:

 

 

 

More than 3 Stories in Height

Diameter of Pipe (inches)

Any Horizontal Fixture Branch

One Stack of 3 Stories in Height or 3 Intervals

Total for Stack

Total at One Story or Branch Interval

1

1

2

2

1

1

3

4

8

2

2

6

10

24

6

2

12

20

42

9

3

201

302

602

161

4

100

240

500

90

5

360

540

1,100

200

6

620

960

1,900

350

8

1,400

2,200

3,600

600

10

2,500

3,800

5,600

1,500

12

3,900

6,000

8,400

1,500

15

7,000

1 Not over two water closets.

2 Not over six water closets, or more than two per branch interval or per floor.