The resolution of intention shall be published according to law. The Superintendent of Streets shall also cause to be conspicuously posted along the line of the street described in the resolution of intention, not more than three hundred feet apart and not less than three notices of the passage of the resolution. The notice shall be headed "Notice of intention to maintain grass plots," in letters not less than one inch in height and shall state the fact of the passage of the resolution, its date of approval and the work proposed and such notice shall refer to the resolution for further particulars. The resolution of intention shall be published and the notices posted at least ten days prior to the day fixed in the resolution of intention for the hearing of protests. (Code 1962, § 35-24)