§ 100.054 PROTECTIVE MEASURES AND ROUTING OF TRAFFIC.
   (A)   It shall be the duty of every person cutting or making an excavation in or upon any public place, to place and maintain adequate traffic control devices and crossings for the safety of the general public, in accordance with CalTrans specifications.
   (B)   The permittee shall take appropriate measures to assure that during the performance of the excavation work, traffic conditions shall be maintained at all times so as to minimize inconvenience to the occupants of the adjoining property and to the general public. Adequate pedestrian passageways shall be maintained.
   (C)   The permittee shall maintain one lane in each direction for vehicular traffic at all street intersections, where possible. If any excavation is made across any public street, alley, sidewalk or established crosswalk, adequate crossings of the excavation shall be maintained for vehicles and for pedestrians.
   (D)   The Administrative Authority may, by prior written approval, permit the closing of streets and alleys for a prescribed period of time. The Administrative Authority may require that the permittee give advance notification to various public agencies and to the general public as a condition of approval. In specific instances, even though the street may not be closed, the permittee may also be required to give such notice.
('65 Code, § 7-3.10) (Ord. 349-C.S., passed - - ) Penalty, see § 10.99