Upon receiving the report and recommendation of the harbor commission, the board shall fix a date for hearing on the report to consider and determine the feasibility of the project or projects submitted. The hearing shall be held not more than 30 days nor less than 20 days after the filing of the report, and the board shall cause notice of the fact that the report has been filed and of the date fixed for the hearing to be published by at least two publications in a newspaper published within the district.