A. Grease, oil and sand interceptors shall be provided when, in the opinion of the director, they are necessary for the proper handling of liquid wastes containing grease in excessive amounts, or any flammable wastes, sand and other harmful ingredients.

B. Such interceptors shall be of a type and capacity approved by the director, and shall be so located as to be readily and easily accessible for cleaning and inspection. Grease and oil interceptors shall be constructed of impervious materials capable of withstanding abrupt and extreme changes in temperature.

C. They shall be of substantial construction, watertight and equipped with easily removable covers, which when bolted in place shall be gastight and watertight. (Ord. 947-04 § 2).