All such work sites shall use traffic-control devices and/or barricades as set out in Chapter 12.04 ACC and Part VI of the “Manual on Uniform Traffic-Control Devices for Streets and Highways,” as prepared by the National Joint Committee on Uniform Traffic-Control Devices, latest edition and amendments thereto. (Ord. 2977 § 1, 1976; 1957 code § 8.11.030.)