Every permit issued hereunder shall expire at the end of sixty days following the estimated date of completion as set forth in the permit. If the permittee shall be unable to complete the work within the specified time, he or she shall, prior to expiration of the permit, present in writing to the City Engineer a request for an extension of time, setting forth therein the reasons for the requested extension, accompanied by payment of a fee for permit extension. If in the opinion of the City Engineer such an extension is necessary, he or she may grant additional time for the completion of the work. (Ord. 1167 (part); December 10, 1957: Ord. 5009 § 3; April 11, 1989: Ord. 5966 § 20; April 26, 2005.)