The powers conferred by this article shall be in addition to and supplemental to the powers conferred by any other law, general or special. This article shall, without reference to Title 30, Chapter 1 or chapter 1 or 2 of this title, or to any other law, general or special, be deemed full authority for the construction, acquisition, reconstruction, improvement, operation and maintenance of the projects herein provided for and contracts in connection therewith, and for the authorization, issuance and sale of the bonds and notes pursuant to this chapter and without regard to the procedure required by any other such law. Except as otherwise provided in this article, the provisions of Title 30, Chapter 1 and chapter 1 or 2 of this title, insofar as they relate to the matters herein contained, are superseded, it being the legislative intent that this article shall constitute the exclusive law on such matters.