Retaining walls exceeding 4 feet in height, including staged walls that cumulatively exceed 4 feet in height require a building permit and shall be constructed in accordance with plans prepared by a registered engineer. Retaining walls shall not restrict drainage or be placed in public rights-of-way or drainage easements (See Storm Water Ordinance, Chapter 151), and must be in compliance with the traffic visibility requirements. Retaining walls placed in drainage and utility easements shall require the property owner to sign an encroachment agreement or certificate of compliance and receive approval from the City Engineer. All retaining walls shall be reviewed by the City Engineer.
(Ord. 537, passed 11-8-2004; Am. Ord. 549, passed 5-22-2006; Am. Ord. 596, passed 2-8-2010)