All underground electric wires shall be installed in accordance with applicable federal, state and city standards, and pursuant to a schedule approved by the public works director. Where possible, the underground electric wires shall be included in a common trench with other utilities in order to preserve the remainder of the right-of-way for other uses. As-built project drawings in a form and scale approved by the public works director shall be submitted in duplicate to the public works director within 30 days of the completion of the underground project. Following installation, the person who placed the electric wires underground shall be responsible for maintaining and replacing such wires in accordance with this code or applicable federal, state and city laws and regulations. (Ord. 2630 § 1, 2006)