The work involves dredging and excavating an estimated 4 million cubic meters of material.
The authority said it will award the contract to the firm with the lowest-priced bid that meets all of the terms and conditions stated by the tender in the request for proposals.
Companies submitting bids and corresponding bid prices are:
' Jan De Nul, $54.55 million.
' International Underground Corp., $55.33 million.
' BKI-MECO, $71.34 million.