The director may require businesses other than FSEs to install fat, oil or grease and/or sand interceptors when, in the opinion of the director, an interceptor or interceptors are necessary for the proper handling of liquid wastes containing fat, oil or grease in excessive amounts, or any flammable wastes, sand or other harmful ingredients. Such interceptor(s) shall be installed, operated and maintained at no costs to the city, shall be of a type and capacity approved by the director, and shall be located as to be readily and easily accessible for cleaning and inspection. (Ord. 2005-020 § 2)