The purpose of this title is to protect and preserve the lives, health, safety and well-being of the people of the City who have property in, or use or work upon the boats using the City’s boat harbor facilities, or who make sales and deliveries of goods and merchandise to boats herein, or who use these facilities in the course of visits for commercial or pleasure purposes; to protect the property of such boat owners by regulating the harbor and its facilities of nuisances, fire, and health hazards; to make reasonable charges for the use of certain facilities to enable the City, insofar as possible, to pay the cost of maintenance, operation and supervision of the City’s boat harbor facilities from the revenue derived therefrom; to consider all the provisions of this title as being liberally construed for the accomplishment of the purpose of promoting the general welfare; and to operate the boat harbor facilities upon a nonprofit basis. [Code 1979 § 18.04.020.]