Notwithstanding prior approval of any work, a utility shall give written notice to the City Engineer of its intention to break, dig, trench, open up or excavate in or on any highway, not less than seven clear days before the beginning of such work. Notwithstanding Section 8, in cases of repair or maintenance of works which is necessary or prudent due to emergency, or for the urgent safety or preservation of property, no advance notice need be given but notice shall be given as soon as possible during or after performance of such repairs or maintenance. A utility shall cause as little damage as possible in performing works authorized under this bylaw and shall restore without unreasonable delay any highways broken up, trenched, opened up or excavated, to a condition as nearly as possible as existed Immediately before the commencement of such works. All worka undertaken by a utility under this bylaw shall conform to the construction specifications set forth in Schedule "D" of the "Subdivision Servicing Bylaw, 1987, No. 2241." A utility shall cause a minimum of obstructiow o. inconvenience to the public during the progress of any works. A utility shall place and maintain such warning signs, barricades, lights or flares at or near the site of any work in progress as necessary to give reasonable warning and protection to members of the public. So a . Except ag expressly authorized by the City Engineer, works shali be pa ; : installed in such a manner so as not to interfere with an existing or a bo authorized public services located in any highway. PLANS A utility shall provide the City with scale "as buiit" plans and profiles of the works within 30 days of the completion of the works or cf any extension to the works. FRANCHISES The terms of any franchise agreement eutered by the City under Part 15 of the Municipal Act shall prevail over the terms of this bylaw.