TITLE 77: PUBLIC HEALTHHome
PART 890 ILLINOIS PLUMBING CODE
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SECTION 890.190 PIPING MEASUREMENTS
Section 890.190 Piping Measurements
Except where otherwise specified in this Part, all measurements between pipes, or between pipes and walls or footings, shall be made from the outside edge nearest the parallel pipe, wall or footing (see Appendix B, Illustration I).
(Source: Amended at 28 Ill. Reg. 4215, effective February 18, 2004)