The governing body may make any sidewalk improvement, or award a contract or contracts therefor, without giving the notice required by sections 40:65-2 to 40:65-5 of this title, if notice of the pendency of the ordinance providing for the improvement be given to the owners of the real estate affected thereby, in the same manner as provided in said sections 40:65-2 to 40:65-5, and a hearing be given to all persons interested in the proposed improvement at the time and place stated in the notice and before passage of the ordinance. The notice shall be served or published ten days prior to the day fixed for the hearing.