TITLE 77: PUBLIC HEALTH
PART 890 ILLINOIS PLUMBING CODE
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SECTION 890.1020 MATERIAL AND SIZE
HomePART 890 ILLINOIS PLUMBING CODE
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SECTION 890.1020 MATERIAL AND SIZE
Section 890.1020 Material and Size
Indirect waste pipe sizes shall be the same as the fixture outlets, but at least three-fourths (3/4) inch.