Flood Walls

Flood walls, also known as trip walls, are barriers installed on coastal zones for the purpose of reducing wave load on structures located behind the wall. Typically the wall is constructed of sheet pile, lagging wall or retaining structure, which is determined by topography.

These slender barriers are optimal for use along the SCDHEC critical line, installation has a minimal footprint and preserve usable property. As FEMA modifies the flood maps in the coastal southeast, certain property owners will find that the changes will move them from an “A” zone to a “V” zone. The difference in insurance premium, through the NFIP, between the two classifications is extremely large. By installing the trip wall the property owner can apply for a Letter of Map Revision (LOMR), and return an “A” zone rating. The process of accomplishing this goal can be arduous dealing with multiple government agencies and community requirements.

Cape Romain has successfully accomplished this task, working with a team of specialist consultants, coastal engineers and civil engineers. Aesthetic modifications and landscaping can be added to screen the wall and make the new barrier less visually intrusive and allow for dock access openings if necessary.
Cape Romain has constructed four of these trip wall systems in the local area at: Simmons Pointe, Tides Condominiums, Oyster Point, and Liberty Hill Farm.

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Flood Walls

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