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Retaining
Does your dune need stabilizing at the top (or middle)? Do you have gullies in your dune from water run-off? We can help!
Does your dune need stabilizing at the top (or middle)? Do you have gullies in your dune from water run-off? We can help!
Some dunes need structures to stabilize the top or middle sections, much like rock revetments, sea walls, and geo-textile bags stabilize the bottom section. Stabilization is particularly important when property owners need to protect a pool, deck, or house. DRS installs retaining walls and repairs or installs drainage systems to stabilize these vulnerable areas:
Some dunes need structures to stabilize the top or middle sections, much like rock revetments, sea walls, and geo-textile bags stabilize the bottom section. Stabilization is particularly important when property owners need to protect a pool, deck, or house. DRS installs retaining walls and repairs or installs drainage systems to stabilize these vulnerable areas:
(1) Retaining walls hold back soil on slopes and thus help protect lakeshore property from erosion. We drive galvanized steel posts deep into the ground, use a strong cable anchoring system (tiebacks), and build a treated-lumber wall that will last for many years. As desired by the client, we can also add drainage, sand or gravel backfill behind the wall, and we can install biodegradable matting and dune grass to protect the dune in front of the wall.
(1) Retaining walls hold back soil on slopes and thus help protect lakeshore property from erosion. We drive galvanized steel posts deep into the ground, use a strong cable anchoring system (tiebacks), and build a treated-lumber wall that will last for many years. As desired by the client, we can also add drainage, sand or gravel backfill behind the wall, and we can install biodegradable matting and dune grass to protect the dune in front of the wall.
(2) Drainage: Surface water run-off from homes, yards, driveways, and broken drainage pipes can dramatically accelerate dune erosion. DRS can assess water run-off problems, advise clients about changes to their home's gutter/downspout system, repair drainage problems, or install a drainage system.
Parallel retaining walls were installed to protect a deck and corner of a house (Coloma, MI). Treated lumber, galvanized steel posts proper drainage, and cable deadman anchors ensure wall stability for many years to come.
This retaining wall effectively extended a steel seawall to protect the yard and fence of this home from further erosion (New Buffalo, MI).
DRS replaced this 40-year-old wall of railroad ties with pressure-treated timbers and a drainage system.
DRS installed a French drain system near a dune edge where water naturally collected from roadway runoff (Stevensville, MI).
The finished drain catches surface water runoff in a central basin and channels it directly to the lakeshore through buried pipes to avoid erosion from water running over the top of the dune crest.
Clay layers often "seep" water, which carries tiny silt-like particles over the face of the dune. This obscures the sandy layers and can lead to deep gullying and nearly impossible access to the beach.
DRS installs intercept drain systems on "clay dunes" to prevent further erosion. These dunes have an impermeable layer of clay (a "lens") that prevents surface water from trickling down through more typical sand layers to reach the ground water levels or the lake. Instead, water collects on top of the clay and may then pour down the face of the dune, causing significant erosion.
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