All notices required by this Article to be given by a permittee to the Public Works Director shall be given to him at his office at the City Hall and all notices to be given to the permittee shall be deemed to have been received by him if mailed by certified mail to the address shown on the permit. The permittee is further required to notify the Public Works Director when the work covered by the permit has been completed. (Ord. 3472 § 1, 2012; Ord. 3424 § 1, 2009)