Grease, oil and sand interceptors shall be provided by the owner of a property when, in the opinion of the city engineer, they are necessary for the proper handling of liquid wastes containing grease in excessive amounts, or any flammable wastes, sand, or other harmful ingredients; except that such interceptors shall not be required for residences. All interceptors shall be of a type and capacity approved by the city engineer, and shall be located as to be readily and easily accessible for cleaning and inspection.
Source: Ord. No. 3014, § 18, 10-5-81