(2) Notwithstanding subsection (1) of this section or any other provision of law, the port may let a contract for the construction of a dry dock to the lowest competent and responsible bidder who submits a bid to construct the dry dock within the port, if:
(a) The bid of such bidder does not exceed by more than 10 percent the lowest bid for construction of the dry dock elsewhere; and
(b) In the opinion of the board, the public good will in any way be served thereby. [Amended by 1961 c.11 §1; 1971 c.728 §121; 1977 c.361 §1]