This title and the Bethel Port and Harbor Tariff shall be deemed an exercise of the powers of the city for the protection, safeguarding, and orderly moorage and control of vessels, and for the protection and general welfare of the public, and all of its provisions shall be liberally construed for the accomplishment of that purpose. The city, through its properly appointed representatives, shall have the authority to board any vessel utilizing the harbor or port facilities for the purpose of enforcing this title and the Bethel Port and Harbor Tariff. [Ord. 17-11 § 2.]