Dock & Coastal
Seawall and Bulkhead Repair
Bulkheads, tie-backs and the soil disappearing behind them.
Bulkheads, tie-backs and the soil disappearing behind them.
Quick answer: Seawall and Bulkhead Repair. Southeastern Renovation is a licensed South Carolina general contractor (CLG.127339) serving the Charleston Lowcountry and York County, SC. Work is coordinated by Southeastern Renovation as the general contractor. Licensed trade subcontractors handle work requiring their trade credentials; permit responsibilities depend on the project scope and jurisdiction. Call (843) 718-8177 for an estimate.
That soil loss is the thing to act on. Water moving through or under a bulkhead carries fine material with it, and the void it leaves grows quietly until something on the surface subsides into it. By the time the wall visibly leans, considerably more has moved than the lean suggests.
Tie-backs are the usual failure. A bulkhead is held by anchors buried in the bank behind it, and when those corrode or pull, the wall starts rotating outward at the top. Face repairs to a wall with failed tie-backs treat the symptom.
Weep holes and filter fabric are what let water out without letting soil out. When they block or the fabric fails, the wall becomes a dam, and the pressure behind it is what pushes it over.
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Look at the land, not the wall. A dip, a sinkhole or a soft patch in the lawn behind a bulkhead means soil is washing out through it, and that void is larger than what shows on the surface.
A visible lean means it has been happening for a while.
Usually failed tie-backs — the anchors buried in the bank that hold the top of the wall. When they corrode or pull, the wall rotates at the top, and repairing the face of a wall with failed anchors does not address what is moving it.
Letting water out without letting soil out. Blocked weeps or failed filter fabric turn the wall into a dam, and the water pressure that builds behind it is what pushes bulkheads over.