When necessary for the protection of the public, guards, barricades or other protective devices or warnings shall be maintained on any sidewalk, street or other public places where trees are being trimmed or removed. Barricades and other protective devices shall meet the standards set forth by Statewide Urban Design and Specifications (SUDAS). Traffic on any street shall not be barricaded without first obtaining a right-of-way permit from the City in accordance with City Code Section 135.09 and shall comply with all notice requirements specific to traffic control in Section 135.09(4).