Project is to construct breakwaters in Lake Pontchartrain near the Tangipahoa Parish shoreline. The Project includes a base bid and three additive alternate bids. Work includes mobilization/demobilization; pre-construction hazard surveying; optional dredging and backfilling of temporary flotation/access channels; placement of geotextile materials, encapsulated lightweight aggregate, and graded riprap armor stone; installation of warning signs, lighted daybeacons, and settlement plates; bathymetric and topographic surveys for measurement, payment substantiation and work acceptance purposes; aerial photography; and all other subsidiary work.