The Chicago Plumbing Code

§ 18-29-413

Food Waste Grinder Units.

§ 18-29-413.1 Approval.

Domestic food waste grinders shall conform to ASSE 1008. Commercial food waste grinders shall conform to ASSE 1009. Food waste grinders shall not increase the drainage fixture unit load on the sanitary drainage system.

§ 18-29-413.2 Domestic food waste grinder waste outlets.

Domestic food waste grinders shall be connected to a drain of not less than 1 1/2 inches (40 mm) in diameter.

§ 18-29-413.3 Commercial food waste grinder waste outlets.

Commercial food waste grinders shall be connected to a drain a minimum of 2 inches (50 mm) in diameter. Commercial food waste grinders shall be connected and trapped separately from any other fixtures or sink compartments.

§ 18-29-413.4 Water supply required.

All food waste grinders shall be provided with a supply of cold water.