It shall be unlawful for any person, firm or corporation to excavate, fill, rock, pave, grade, repair or otherwise disturb any public street over which the city of North Bend has jurisdiction without prior authorization of the city of North Bend either under this chapter or some other ordinance in the city of North Bend applicable thereto. It shall likewise be unlawful for any person, firm or corporation to cause such work to be done without said prior authorization. (Ord. 1084 § 1, 1958)