Notice of the time, place, and purpose of a public hearing shall be given in the following manner:
1. By at least one publication in a newspaper of general circulation in the City, designated for the purpose of the City Clerk, not less than ten days prior to the date of the hearing.
2. By mailing written notice not less than ten days prior to the date of such hearing, to the owners of all property within 300 feet of the boundaries of the proposed fire roads, firebreaks, and fuel breaks, or in those instances where existing fire roads, firebreaks, and fuel breaks are proposed to be widened within 300 feet of the new boundaries. Where all property within the 300-foot radius is under the same ownership as the property upon which the construction is proposed to be performed, the owners of all property adjoining that property in the same ownership as that involved in the proposed construction, or separated only by a street, alley, public right-of-way or other easement, shall also be notified in the same manner.