Upon the day and hour fixed for the hearing the legislative body shall hear and pass upon the report of the superintendent of streets, together with any objections or protests which may be raised by any of the property owners liable to be assessed for such construction and any other interested persons. Thereupon the legislative body may make such revision, correction or modifications in the report as it may deem just, after which, by motion or resolution, the report as submitted, or as revised, corrected or modified, shall be confirmed. The legislative body may adjourn the hearings from time to time. The decisions of the legislative body on all protests and objections which may be made, shall be final and conclusive.