Grease, oil and sand interceptors shall be provided when, in the opinion of the city, they are necessary for the proper handling of liquid wastes containing floatable grease in excessive amounts, any flammable wastes, sand or other harmful ingredients; except that the interceptors shall not be required for private living quarters or dwelling units. All interceptors shall be of the type to be readily and easily accessible for cleaning and inspection.
(Prior Code, § 3.20, Subd. 3F)