Heavy Civil Services

Engineered Slope Stabilization for Challenging Terrain

From soil nails and anchors to reinforced shotcrete and drainage systems, Rock Supremacy delivers proven solutions that prevent slope movement and ensure long-term performance.

Talk With A Slope Stabilization Expert

Redefining terrain security through advanced slope stabilization.

Rock Supremacy is your one-stop shop for all your stabilization needs. We specialize in building a variety of retaining walls, from simple concrete walls to more complex anchored soldier pile walls.

Since our inception, we’ve built over 500,000 square feet of soil nail and ground anchor walls. Our soil nail walls use either all-thread bar or hollow core soil nails, and we’ve installed over a quarter million linear feet of soil nails, ranging from 3” to 6” in diameter, with depths up to 60 feet.

For our ground anchor walls, we use larger diameter bars and holes, drilled with either a rotary drill or casing driver system. For anchors larger than 6” in diameter, we drill casing to depth, inspecting the ground anchor, removing the casing, grouting, and repeating the process.

We apply gun-finished, stained, or sculpted shotcrete to both soil nail and ground anchor walls, with thicknesses ranging from 3” to over 12”. Our proprietary shotcrete mix can withstand more than 7,500 PSI and can be enhanced with synthetic or steel fibers for added strength.

We also offer custom designed retaining walls and have the ability to auger/drill 48” vertical holes to install H-piles or heavy wall pipes. Additionally, we can drive 12” diameter pipe using our large, European-manufactured rigs. Whatever your project requires, Rock Supremacy has the expertise and equipment to get the job done.

History

Our Experience

We’ve mastered the construction of soldier pile walls and anchored soldier pile walls, delivering reliable results on some of the most demanding stabilization projects in the country. Our team has successfully installed large HP and wide-flange soldier piles reaching depths of nearly 100 feet. Many of our anchored soldier pile walls are reinforced with high-capacity tiebacks capable of handling up to 250,000 pounds of tension.

Even in areas with limited access — where traditional equipment falls short — we’ve proven our adaptability and expertise. By leveraging innovative methods and proprietary equipment, we’ve continued to push the boundaries of construction excellence and set a new standard in the industry.

With the expansion of our East Coast Division, we’ve taken on new soil nail wall projects, constructing over 10 miles of soil nail walls across the U.S. — many standing over 20 feet tall and some exceeding 35 feet in height. On one project alone, our crews drilled more than 2,000 linear feet of soil nails in a single day.

We also offer custom sculpting and staining to blend soil nail walls naturally with their surroundings, combining structural strength with aesthetic appeal.

No matter the challenge, we bring the experience, innovation, and precision needed to deliver lasting slope stabilization solutions — safely, efficiently, and built to endure.

A vehicle is suspended by cables on a rocky cliffside in a canyon, showcasing the intricate work of slope stabilization. Rugged terrain and vegetation form the backdrop, highlighting the essential role of heavy civil contracting in mastering nature’s challenges.

Techniques

Our Specialties

Illustration of a drill piercing through a circular section of earth, depicting a cross-section view, highlighting techniques in heavy civil contracting for slope stabilization.

Cased Micropiles

Small-diameter, steel-encased piles drilled into the ground to provide strong, reliable foundation support in challenging soil conditions.

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Uncased Micropiles

An uncased micropile is a high-strength, small-diameter drilled and grouted pile used to transfer structural loads into competent ground without a permanent steel casing.

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An illustrated icon of a bolt and nut, with two stylized letter Hs forming a U-shape around it, features a mechanical theme perfect for heavy civil contracting.

H-Pile Installation

H-pile installation provides deep foundation support for heavy structures and retaining systems by driving steel H-shaped beams into the ground to reach stable bearing layers.

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A stylized black and white graphic of a water filtration process, similar to those used in landslide remediation, with a filter above wavy lines and drops falling below.

Horizontal Drain Installation

Horizontal drains are installed to relieve groundwater pressure and improve slope stability by directing subsurface water away from unstable soils and rock faces.

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Illustration of a civil construction pile driver with a suspended hammer above a surface, surrounded by scattered debris.

Tieback Installation

Tiebacks provide lateral reinforcement for retaining walls and excavation support systems by anchoring structural elements deep into stable ground or rock.

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Illustration of a screw piercing a line graph with dots and lines, symbolizing a breakthrough in data trends, much like the impact of heavy civil contracting on slope stabilization techniques.

Rock Dowel Installation

Rock dowels are passive reinforcement bars grouted directly into rock to increase slope stability and prevent rock mass movement.

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Illustration of a large bolt with a hexagonal head, embedded in a geometric shape with abstract patterns, reminiscent of heavy civil contracting techniques and symbolic of slope stabilization efforts.

Rock Bolt Installation

Rock bolts are tensioned anchors installed into rock to stabilize slopes, tunnels, and excavations by actively securing fractured or jointed rock masses.

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Abstract image of a bustling civil construction site featuring a crane, bulldozer, and hillside buildings, highlighting intricate slope stabilization efforts.

High-Elevation Access & Installation

High-elevation services involve specialized drilling, scaling, and installation work performed up to 5,000 feet above highways, railways, or critical infrastructure — executed under strict safety and engineering standards.

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Weep Drain Installation

Weep drains relieve hydrostatic pressure by providing a controlled outlet for water trapped behind retaining walls, shotcrete faces, or slope stabilization systems.

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Gallery

Our Slope Stabilization Projects

Workers rappelling down a rocky cliffside, engaged in rockfall mitigation, with a turquoise lake glistening in the background.
Steep rocky hillside with green trees at the top and ropes for slope stabilization hanging down. A few people in bright clothing are working near the middle of the slope, possibly drilling. A river runs alongside the hill, a testament to expert heavy civil contracting efforts.
Construction workers, specializing in civil construction, expertly pour concrete down a steep slope beside a river in the rugged landscape. Their efforts are part of a crucial rockfall mitigation project to ensure safety and stability in this challenging terrain.
The heavy civil contracting project features a concrete retaining wall under construction, with exposed metal brackets. Dirt and construction materials are scattered along the base. The sky above is partly cloudy, creating a dramatic backdrop for this civil construction site.
Construction workers install metal reinforcement bars on a rocky slope beside a dirt path as part of a rockfall mitigation project. A small excavator and rubble are visible in the foreground, highlighting the efforts toward effective slope stabilization.
A rocky landscape showcases a stone wall with erosion control netting, highlighting civil construction efforts. A light pole adorned with colorful banners stands prominently in the foreground, while stabilized slopes and a clear sky stretch across the background.
Construction site with reinforced concrete retaining wall, exposed earth, coiled cables, and equipment, set in a wooded area.

Contact Our Geotechnical Experts Today

Ready to discuss your project needs? Our team is standing by to provide expert guidance and innovative solutions tailored to your specific challenges.

Solutions

Our Additional Services

Landslide Remediation

Landslide Remediation

When slopes give way, our remediation team responds fast. With the materials, equipment, and experience to mobilize within 24 hours, we restore stability through drainage, soil nails, micropiles, anchors, regrading, and retaining systems. From emergency response to permanent repair, we deliver safe access, lasting reinforcement, and peace of mind.
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Drilling

Drilling

When the ground won’t cooperate, our drilling team delivers. We deliver precision installations—bolts, anchors, micropiles, tiebacks, sockets, and horizontal drains—with limited-access capabilities and proven QA to stabilize slopes, reinforce tunnels, and protect retaining walls.
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Shotcrete

Shotcrete

We apply high-performance shotcrete to reinforce and restore canals, soil nail walls, rock faces, and tunnels. Controlled mix design and skilled nozzle work ensure dense, durable finishes that balance structural strength with the sculpted, stainable aesthetics our clients expect.
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Tunnels & Tunnel Rehab

Tunnels & Tunnel Rehab

We repair and construct tunnels with precision, handling every phase from blasting and steel set erection to CT bolts, weep drains, liner removal, and shotcrete application. Whether stabilizing existing structures or building new, our crews deliver safe access and lasting support through complex ground conditions.
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Rockfall Mitigation

Rockfall Mitigation

We stabilize rock slopes using proprietary methods and specialized equipment to install Tecco® mesh, cable netting, and draped systems. Through precise scaling, bolting, and reinforcement of vulnerable areas, we deliver complete, long-term protection for infrastructure, work zones, and public safety.
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