TITLE 77: PUBLIC HEALTHHome
PART 890 ILLINOIS PLUMBING CODE
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SECTION 890.1760 SINKS
Section 890.1760 Sinks
a) All sinks for food preparation or cleansing of utensils used to prepare food shall be of stainless steel (Type 304) construction, including framework and reinforcing.
b) All welds shall be ground smooth, and exterior surfaces polished.
c) All sinks shall be provided with waste outlets at least one and one-half (1 1/2) inches in diameter. A crossbar, strainer, or other means shall be provided to restrict the clear opening of the waste outlet. No kitchen sink basket shall be less than three and one-half (3 1/2) inches in diameter.