The Chicago Plumbing Code

§ 18-29-420

Water Closets.

§ 18-29-420.1 Approval.

Water closets shall conform to the water consumption requirements of Section § 18-29-604.4 and shall conform to ANSI Z124.4, ASME A112.19.2, CSA B45.1, CSA B45.4 or CSA B45.5. Water closets shall conform to the hydraulic performance requirements of ASME A112.19.6. Water closet tanks shall conform to ANSI Z124.4, ASME A112.19.2, ASME A112.19.9, CSA B45.1, CSA B45.4 or CSA B45.5.

§ 18-29-420.2 Water closets for public or employee toilet facilities.

Water closet bowls for public or employee toilet facilities shall be of the elongated type.

§ 18-29-420.3 Water closet seats.

Water closets shall be equipped with seats of smooth non-absorbent material. All seats of water closets provided for public use shall be an antimicrobial plastic material and an open-front style, except closed- front seats may be provided if the seat is encased with a continuous plastic sleeve ensuring a clean surface for every user. No water closet seat shall be more than 1 1/2 (40 mm) inches thick.

Exception: Facilities for the physically disabled shall comply with the Illinois Accessibility Code.

§ 18-29-420.4 Water closet connections.

A 4-inch by 3-inch (100 mm by 75 mm) closet bend shall be acceptable. Where a 3-inch (75 mm) bend is utilized on water closets, a 4-inch by 3-inch (100 mm by 75 mm) flange shall be installed to receive the fixture horn.

§ 18-29-420.5 Deliberately omitted.

§ 18-29-420.6 Chemical closets.

No chemical closet or toilet shall be installed within any building for human habitation, nor on any premises abutting upon a public way or thoroughfare in which a public sewer is available.

§ 18-29-420.7 Temporary toilet facilities.

Every tent or structure provided for the temporary accommodations of the public, shall be provided, if access can be made to sewer and water, with not less than one water closet for males, and one water closet for females for each 300 persons or fraction thereof of the total capacity of the tent or structure. If access cannot be had to sewer and water, chemical toilets and incinerators shall be provided in the ratio above required.