Erosion Along Shoreline in American Samoa
Erosion Along Shoreline in American Samoa
Erosion Scarp Along Road Edge in American Samoa
Erosion Scarp Along Road Edge in American Samoa
Erosion Along Shoreline in American Samoa
Erosion Along Shoreline in American Samoa
Existing Shoreline Hardening in American Samoa
Existing Shoreline Hardening in American Samoa
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American Samoa Tsunami Repairs

In September 2009, a tsunami generated near American Samoa caused inshore flooding and significant damage along the shoreline of the island of Tutuila, American Samoa. Coastal roads are main arteries for Tutuila, and road repair and shore protection for these projects have subsequently been designed for the U.S. Army Corps of Engineers. Sea Engineering, Inc. performed field investigations of Routes 1 and 8 and prepared basis of design reports, construction plans, and construction specifications for the shore protection projects.

There are five specific sites within three projects. Four of the sites will receive armor stone revetments along shorelines of 550 to 1,300 ft in length. One of the project sites is adjacent to an armor stone revetment designed by Sea Engineering and constructed in 2009.  The fifth project, which is nearly 2,300 feet in length, will result in two revetment designs constructed of armor stone and Samoa Stone.  Samoa Stone is a concrete armor unit specifically designed for Vatia, on the north shore of Tutuila, American Samoa based on a 2002 design by Sea Engineering. The American Samoa government will decide which design will be final.

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