All traps shall be of a type and capacity approved by the city, and shall be so located as to be readily and easily accessible for cleaning and inspection. Restaurant traps shall be gas-tight, of a type approved for restaurant use by the division of building safety. Traps for all other facilities, including service stations and garages, shall be in accordance with the adopted plan of the city for such traps or shall be the approved equal thereof as determined by the director. (Ord. 2006-02 (part), 2006: Prior code § 4255)