Any existing driveway violating the terms of this chapter and not in conformity to the provisions of this chapter shall be altered to conform to the provisions of this chapter upon notice from the City Engineer or their designee. If any person, firm or corporation owning the property served by such driveway fails, neglects or refuses to make such alteration after such notice, the City Engineer may thereupon make such alteration and charge the cost against the owner of the property. If such costs are not promptly paid, the amount of the same shall be and become a lien upon the property served by such driveway.