Upon failure on the part of the holder of a spur track permit to comply with any provision of this Article, written notice of such failure shall be given to the permittee by personal delivery or by registered mail to his last known address. Within 10 days after the posting date or personal delivery date of this notice, the permittee may request and obtain a hearing before the Director of Public Works regarding the compliance failure. If, at the hearing, it is found that failure to comply with the provisions of this Article by the permittee is a fact, or, if no hearing has been requested within the time limit set herein, the permit shall be forfeited forthwith, and the spur tracks shall be removed and pavement restored by the permittee within 90 days after forfeiture.