Sealevel Construction expanded an existing Williams facility in Larose, La. The project consisted of:

• site work including levee embankment, rock and sandfill, riprap placement, marsh buggy work, tree clearing and grubbing
• installation of driven pipe and sheet piles
• fabrication and installation of (4) discharge pipe and (2) pump stations
• temporary matting and access road
• underground drainage and catch basins
• design-build concrete containment structures
• helical pile installation
• geofoam blocks installation