The City Engineer shall post permanent notices at intervals of not more than 1,000 feet on streets for which precise Plan Lines have been adopted. Such notices shall be painted on wood or metal, or printed on cloth paper, and shall contain the following words:

“The width of this street, (or other appropriate designation) is established as __________ feet according to the Master Street and Highway Plan of the City of Monterey. All buildings and other structures hereafter erected must be outside the lines of such established width as shown on the Official Plan Line Map No. _____, recorded in the Office of the County Recorder, Salinas, California, a copy of which is on file in the office of the City Clerk and in the office of the Building Inspector.”