It is unlawful for the owner of any structure or improvement to maintain, or permit to be maintained, any overhead electric or communication distribution facility adjacent to an underground facility on or after 90 days from the mailing to said owner of the notice provided for in BCC 23.32.040, unless said owner has filed written objections as provided for in said section, or after the city council has held a hearing on written objections filed by an owner at which it has ruled that the removal of said overhead lines is in the public benefit. (Ord. 2088 § 5, 1974; 1961 code § 16.34.050.)