The applicant shall take appropriate measures to assure that during the performance of the excavation traffic and pedestrian conditions as nearly normal as practicable shall be maintained at all times so as to cause as little inconvenience as possible to the occupants of abutting property and to the general public. Should the excavation require the closing of any street to all traffic, the application for the excavation permit shall so state. The applicant shall in every case be responsible for providing for barricades and warning signs as required by the current edition of the Manual on Uniform Traffic Control Devices, Federal Highway Administration. (Ord. 1583-98 § 3(part), 1998).