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Case studies

Rebuilding resilience: post-wildfire erosion control on Pacific Palisades bluff

A homeowner used PROPEX Armormax to protect a bluff damaged by the Pacific Palisades fire to reduce erosion risk, support revegetation and mitigate future wildfires.

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Rebuilding resilience: post-wildfire erosion control on Pacific Palisades bluff

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Seawall construction, Brisbane Port expansion, QLD, Australia

The Port of Brisbane expanded by constructing a reinforced seawall to enable 230 ha of land reclamation using dredged materials while managing soft clay foundations and protecting the Moreton Bay Marine Park.

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High speed railway embankment over karst foundation, Guizhou Province, China

The Anshun–Liupanshui high-speed railway crosses challenging karst terrain in Guizhou Province. Two layers of MIRAFI PET600 geotextile reinforcement were installed at the embankment base to limit deformation and manage subsidence risk under strict settlement criteria.

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Flood protection for Reinland Drain in Manitoba

PROPEX® Armormax® stabilized the eroded Reinland Drain, reducing costs and emissions while ensuring long-term flood protection with reinforced vegetation growth.

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Basal reinforcement for Pacific Highway works

Basal reinforced and surcharged embankments with PVDs and geotextile systems enabled freeway construction across soft silty clay foundations on the Pacific Highway upgrade between Yelgun and Chinderah.

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Runway overrun area, La Guardia International Airport, New York, USA

La Guardia Airport built a 150 m by 230 m runway overrun area on soft inter-tidal clay using staged construction, high-strength geotextile reinforcement, hydraulic sand fill, and PVDs to prevent mud waves and accelerate consolidation.

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Coal mine dump wall, Sangatta, East Kalimantan, Indonesia

A 17.5 m high reinforced soil dump wall was constructed at the Sangatta coal mine to increase material handling capacity while supporting heavy dump truck loads and minimizing earthworks.

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Comprehensive containment and capping at Thailand’s ESBEC landfill

Solmax supplied GSE® HD liners and BENTOLINER® GCLs to line and cap Thailand’s ESBEC landfill, ensuring full containment, leachate and gas control, and compliance with national and international waste standards.

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Wildwood channel restoration achieved with GEOTUBE dewatering containers

NJDOT restored Wildwood’s waterways using GEOTUBE® GT500 units to dewater more than 110,000 yd³ of dredged sediment, meeting strict discharge standards and optimizing tight urban laydown space.

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Sacramento Area Sanitary District uses PROPEX erosion-control systems protect exposed infrastructure across 12 creek sites

Sacramento Area Sanitary District partnered with Solmax to stabilize 12 Sacramento creeks impacted by flooding. Innovative solutions were tailored for each site, enhancing resilience and natural aesthetics. Five more sites will begin construction in 2025 to expand the project’s impact.

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Slope stabilization behind Metal Art Museum with PROPEX

Soil nails and PROPEX® Armormax® stabilized the failing slope behind the Metal Art Museum, ensuring long-term erosion control with reinforced vegetation growth.

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Electrified double track, Ipoh to Padang Besar, Malaysia

Malaysia upgrades the western railway line with a 330 km electrified double-track project, using ground improvement, geotextile reinforcement, and modern systems to stabilize soft soils and construct new parallel tracks.

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Expressway embankments, Central Luzon, Link Expressway, Philippines

CLLEX is a 30 km expressway designed to cut travel time between Tarlac City and Cabanatuan City from 70 to 20 minutes, using geosynthetic reinforcement and PVDs to stabilize soft clay foundations and control settlement.

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Contaminated soil management and geosynthetic containment for the Cell A1 Expansion Project

Solmax supplied geomembrane, geotextile, drainage, and GCL systems for the Cell A1 expansion in Mascouche, supporting long-term contaminated soil containment and sustainable site management.

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Geomembrane barrier protects farmland from landfill contamination in Jiangyou

GSE® geomembranes contained leachates at Jiangyou landfill, halting cadmium pollution of farmland and groundwater while enabling soil remediation and protecting agricultural sustainability in Sichuan Province.

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Restoring stability and access along Southmoor Drive with PROPEX Armormax and MIRAGRID

PROPEX® Armormax® and MIRAGRID® XT stabilized an eroded slope along Southmoor Drive, restoring access while reducing transport costs and emissions.

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Wat Nakorn-In Bridge embankment construction

The Wat Nakorn-In Bridge project used pile-supported embankments, geotextile reinforcement, and steep reinforced slopes to manage soft Bangkok clay, prevent differential settlement, and construct multi-lane approaches and connecting roads.

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Access road embankment construction using geotextiles

Basal reinforced embankments, PVDs, and MIRAFI geotextiles were used to construct a 22 km access road over very soft alluvial soils at the PIPC site in Johor, Malaysia.

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Deep C II reclamation dyke stability with GEOTUBE and MIRAFI

Reclamation dykes at the Deep C II Industrial Zone in Haiphong use GEOTUBE units and MIRAFI PET reinforcement to ensure stability on very soft seabed soils, enabling phased industrial land development despite typhoon storm conditions.

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Ensuring long-term integrity at the Koochiching County landfill remediation

Solmax high-flow triaxial geocomposite was used in the Koochiching County Landfill cap system to drain surface water, stabilize the soil cover, and ensure long-term integrity of the geomembrane and vegetative layer.

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Seasonal pit thermal energy storage drives fossil-free heating in Bracht

In Bracht, Germany, a pit thermal storage system integrated with solar collectors (71 percent from sun), heat pumps (6 percent green electricity), and biomass (23 percent) supplies a renewable heat solution according to the simulation of the University Kassel. Solmax geomembranes ensure long-term containment, enabling near-zero emissions and stable heating for 180 households.

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Decarbonizing district heating with pit thermal energy storage in Meldorf

Germany’s first large commercial pit thermal storage in Meldorf shows how district heating can be decarbonized. GSE® HDH, GSE HD liners and FABRINET® protection layers enable safe high-temperature storage, reducing CO₂ emissions by 90 percent and store 1,500 MWh annually.

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Seasonal solar storage brings fossil-free heating to Tibet

On the Tibetan Plateau at 4,600 m ASL, Solmax geosynthetics enabled Tibet’s first large solar thermal district heating system. A 15,000 m³ pit thermal energy storage stores 700 MWh of heat, meeting 90 percent of Langkazi’s demand. 

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Innovative levee armoring balances flood control and conservation

Florida’s Indian Trail Improvement District levee was reinforced with 66,000 yd² of PROPEX Armormax and custom burrito-wrap structures, delivering long-term flood protection while supporting endangered species habitats.

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Integrating geotextile reinforcement and erosion control at Claxton Field

Claxton Field in Needham, MA, was renovated using MIRAFI® RS380i for subgrade stabilization and PROPEX® Armormax for slope protection, ensuring long-term performance and environmental compliance.

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Enhancing pavement stability and improving moisture management with MIRAFI

MIRAFI H2Ri reinforced the pavement on State Highway 105 at FM1774 in Plantersville, Texas, eliminating the need for cement stabilization and managing the moisture-sensitive subgrade conditions.

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Providing long term slope stabilization for sandy soils

In 2008, TC Energy installed a gas pipeline under the St. Maurice River. Erosion and instability on steep slopes led to the installation of PROPEX® Armormax®, which continues to provide long-term stabilization with a natural, vegetated solution.

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GSE HD geomembrane after 20 years in service at Thailand's first pumped storage hydropower plant

GSE® HD geomembrane, installed in 2004 at Thailand’s Lamtakong Upper Reservoir, has maintained its integrity for over 20 years, ensuring reliable pumped-storage hydropower operations under harsh tropical conditions.

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Dewatering coal fines at Port Waratah with GEOTUBE dewatering containers

PWCS used GEOTUBE® dewatering containers to dewater thousands of cubic meters of coal fines, reducing volume, cutting disposal costs, and ensuring environmental compliance.

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HDPE geomembrane liners for Beyondie SOP evaporation ponds

Solmax supplied 1.0 mm GSE HD geomembranes for 4 km² of evaporation ponds at an Australian SOP facility, ensuring brine containment and efficient potash production.

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Coastal protection project for Communauté du Golfe de Saint-Tropez

GEOTUBE Marine tubes were installed by the Communauté du Golfe de Saint – Tropez to protect 103 km of coastline and the only road to Saint-Tropez. The project reduced wave impact, prevented erosion, and avoided rock transport.

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Geomembranes aid responsible farming in Sistema.bio’s modular biodigestors

Solmax supplies GSE LL geomembranes for Sistema.bio’s modular biodigesters​ and other farming equipment such as water and biofertilizer containers​, enabling clean energy, waste reuse, and improved soil health for smallholder farmers. 

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Flat Creek Drive road rehab with MIRAFI H2Rx

MIRAFI® H2Ri was installed on Flat Creek Drive in Jackson, Wyoming, to stabilize the subgrade and manage moisture from snowmelt, preventing pavement damage and extending roadway life.

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Strengthening canal-adjacent road infrastructure in Thailand with MIRAFI H2Rx 

MIRAFI H2Rx geotextile was installed over 27,000 m² to reinforce a road near Maharahj canal, improving pavement strength and moisture control while preventing embankment failure and completing 3 km in just 5 days.

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Resilient rural road construction in Thailand using MIRAFI H2Rx geotextile 

A rural road in Thailand was upgraded using MIRAFI H2Rx geotextile to reinforce soft clay subgrade and manage high groundwater, ensuring durability, reduced moisture, and uninterrupted community access during construction.

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Biosolid removal with GEOTUBE dewatering units 

Desilting Solutions removed 150,000 m³ of biosolids from sludge lagoons at three operational sewerage treatment plants using GEOTUBE dewatering containers for efficient dewatering.

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MIRAFI geotextiles optimize stability and reduce costs at Cargill’s Regina facility

Cargill's Regina facility used MIRAFI H2Ri to stabilize expansive, frost-susceptible soils, reducing sub-ballast thickness by 55% and road construction costs by 20%. 

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Creating a recreational pond with GSE geomembrane at Kiki Beach Resort

Kiki Beach Resort on Batam Island installed GSE HD 1.50 mm White Smooth for a recreational pond to enhance visual appeal and durability. The solution included custom roll sizes and a GSE Polylock anchoring system to meet design and site challenges.

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Bell Middle School stabilizes slope with PROPEX Pyramat 75

The Bell Middle School's steep landfill slope faced erosion issues, causing soil to wash into nearby homes. The geocell used for stabilization failed, so the school district replaced it with PROPEX Pyramat 75, a high-performance turf mat.

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Stabilizing Red Hill landfill cap with PROPEX Armormax

Red Hill Landfill in Northern California stabilized a failed slope using the PROPEX Armormax  system with PROPEX Pyramat 75 HPTRM and B3 anchors, enhancing safety and erosion control. 

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Slope stabilization and moisture control on Old Pacific Highway

A global stability issue on the Old Pacific Highway caused a slope failure and pavement cracking. The MIRAFI H2Ri system was used to address soil saturation and prevent future slips, ensuring long-term stability without extensive over-excavation. 

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Restoration of submerged stormwater pipeline

Desilting Solutions restored a submerged stormwater pipeline in Milton, Queensland, to 97% capacity using GEOTUBE technology and remote dredging within a confined site.

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Long-term erosion control and channel stabilization for Arroyo de los Montoyas with PROPEX Armormax

PROPEX Armormax stabilized the eroding embankments of Arroyo de los Montoyas, protecting WWTP6 from flooding and enhancing groundwater recharge in Rio Rancho, NM, with a resilient, nature-based erosion control solution.

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Soft-soil consolidation improvements ensure new housing development launches on time

Solmax provided a custom GSE HD geomembrane solution for the Summarecon Housing Estate in Bandung, enabling full soil consolidation in four months and ensuring the project launched on time.

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Silt trap dewatering for Kestrel Coal Mine

Kestrel Coal Resources restored silt trap capacity by dredging and dewatering 40,000m³ of silt using GEOTUBE units. The project preserved coal fines for sale.

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Innovative application of new GEOTUBE technology incorporating moisture draining yarns for enhanced dewatering performance of gold tailings slurry

A gold mine in Victoria, Australia, used Solmax GEOTUBE units with moisture-absorbing wicking yarns to improve water release, efficiently managing increased slurry waste in its limited-capacity tailings storage.

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Addressing water ponding issues at Selangor Turf Club using MIRAFI

MIRAFI FWL geotextile was installed at Selangor Turf Club to address water ponding issues, enhancing drainage efficiency and ensuring prompt track usability.

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Addressing surface cracking on Queen Street, Yeppoon

Livingstone Shire Council used MIRAFI H2Rx to upgrade Queen Street, Yeppoon, addressing surface cracking due to a soft, saturated subgrade.

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Improving subgrade stabilization and moisture management in roadways

Libmanan Road in Camarines Sur was reconstructed using MIRAFI H2Rx geotextile for improved subgrade stabilization and moisture management, enhancing road durability.

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Slope stabilization for residential slope failure at Yerba Buena Island with PROPEX

Yerba Buena Island's redevelopment addressed slope failure with PROPEX Armormax, ensuring slope stability, erosion control, and utility protection during a major residential project. 

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Relining Aeration Basin 2 at Thompson's Station wastewater plant

Aeration Basin 2 at Thompson's Station wastewater plant was relined in 2012 using a custom GSE HD geomembrane system, ensuring operational efficiency. 

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Motiva Brine pond liner replacement and leak inspection with GSE

The Motiva Brine Pond in southeast Texas, supporting butane storage in salt caverns, underwent primary liner replacement and inspection to address leakage issues. 

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Palm Desert flood control improvements with PROPEX protects from tropical storms

The City of Palm Desert improved flood control infrastructure by expanding the Section 29 Basin, constructing two new basins, and armoring the Mid-Valley channel with PROPEX Armormax. 

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Effective landfill closure at Homer Solid Waste Facility with GSE

Kenai Peninsula Borough in Alaska completed phase two of the Homer Solid Waste Facility landfill closure using Solmax geosynthetics, covering 226,000 ft² with a geosynthetic clay liner, drainage, and landfill-gas system.

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Mitigating the risks of groundwater contamination during expansion of Sarasota Municipal Landfill

Advanced leachate containment solutions were utilized to enhance the Sarasota landfill expansion, ensuring environmental protection and compliance with regulations.

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Protecting homes from destructive erosion and slope instability with PROPEX

In Fort Worth, Texas, Candleridge Park addressed erosion threatening neighborhood foundations by constructing a channel outlet and using PROPEX Pyramattress and PROPEX Pyramat 75 for cost-effective, sustainable slope protection.

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Restoring tidal wetlands and providing long-lasting erosion protection

The Department of Water Resources (DWR) successfully restored natural tidal wetlands in the Sacramento–San Joaquin Delta, enhancing habitats for wildlife and improving flood management.

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Reconstructing Jalan Kampung Lombong road with MIRAFI

The Jalan Kampung Lombong road reconstruction in Klang, Selangor, improved durability, and load capacity, addressing frequent truck traffic and adverse weather challenges.

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Managing subgrade stabilization and moisture for railway structures with MIRAFI H2Rx

China Academy of Railway Sciences utilized MIRAFI H2Rx products to manage subgrade moisture and frost heave in the Harbin-Yichun High-speed Railway, ensuring stability and environmental protection.

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Improving the durability and performance of pavement under heavy traffic conditions

Using MIRAFI® H2Rx woven geotextile to improve pavement performance on Thailand's National Highway No. 117, addressing severe pavement damage.

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GEOTUBE Geobags used in coastal erosion control and protection project 

In 2023, GEOTUBE Geobags were used to stabilize the eroding Brunei coastline, enhancing safety and sustainability.

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Advancements in sand island reclamation with GEOTUBE Marine technology

GEOTUBE Marinetechnology was employed to construct a dyke, effectively reclaiming 507 acres in Malaysia.

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Improving waste management with GSE

To meet the growing needs of a rapidly expanding resources industry, Pilbara Regional Waste Managment used GSE geomembranes at their new waste management facility.

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Trilogy at Monarch Dunes, Nipomo, California

Monarch Dunes needed a sustainable solution for severe channel erosion in a community vineyard. The combination of PROPEX Armormax and Pyramattress provided durable, eco-friendly stabilization, reducing installation time and cost.

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Improving the grading and capacity of an existing channel

The Lloydminster's Northwest Drainage Channel was redesigned to prevent flooding, using PROPEX Pyramat for enhanced flow capacity and erosion control.

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Protecting homes from flooding events with PROPEX Armormax

Baton Rouge's flood mitigation measures included PROPEX Armormax to reduce risks and protect homes against future flooding.

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Transforming Shanghai's waste management with a double layer landfill

Shanghai's first double-layer rigid structure landfill overcame challenges of material supply and competition, to ensure successful completion and extended the landfill's service life with GSE HD geomembranes.

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Improved connectivity and resilience for the Chiang Rai bypass road project

MIRAGRID GX geogrids transformed Chiang Rai's infrastructure, boosting safety and efficiency as well as seismic resilience.

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Enhancing frac pond liner integrity with the GSE Leak Location Suite

The GSE Leak Location Suite, including the S-100 Spark Tester, was successfully implemented at a frac pond project in Laredo, Texas, ensuring leak-free installation and quick identification of punctures in the liner.

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Biogas cover turns palm oil waste into fuel in Malaysia

Cenergi transforms POME into renewable biogas in Malaysia, using GSE geomembranes. This project reduced GHG and the approach highlights innovation in waste recycling and contribution to renewable energy goals.

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Impermeable heap leach pads for gold mine

In a West African gold mine, tailored geomembrane solutions improved environmental safety and resource recovery, adapting to specific site needs.

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Meeting stringent CCR regulations with BENTOLINER

Xcel Energy successfully closed Sherco Pond No.1 and constructed Sherco Pond No.2 using BENTOLINER to meet stringent CCR regulations, ensuring minimal environmental impact and continuous service.

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Sewage lagoon upgrade using geosynthetic clay liners

Discover how Conquest's sewage lagoon upgrade using a geosynthetic clay liner overcame groundwater challenges, enhancing efficiency and reducing costs.

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Conquering extreme conditions with a high-temperature liner solution

Saskatchewan's first new potash mine in 40 years features advanced GSE HDH liners in its brine ponds, overcoming extreme temperatures and chemical exposure.

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Lining canals for mega Port Said aquaculture project

Egypt's mega aquaculture project in East Port Said completed phase two, using GSE HD geomembrane for water containment in a 20,000-acre fish and shrimp farm.

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Kaneohe Stream bank restoration

Hawaii's Kaneohe Stream stabilization project used PROPEX Pyrawall, a natural, vegetated solution, to protect properties and prevent flooding for up to 75 years.

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Harvey Ditch erosion protection with PROPEX

BKDD used PROPEX Scourlok for durable, environmentally-friendly erosion protection along a drainage channel in Texas, replacing gabion baskets with a long-lasting solution.

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Oyster Lake outfall improvement

Oyster Lake's outfall, strained by storms and urban growth, was reinforced using PROPEX Armormax for erosion control. It withstood Hurricane Michael, protecting the area.

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Murrieta Creek stabilization

Murrieta Creek's flood control project uses PROPEX Armormax for erosion protection and environmental restoration, ensuring safety and water quality for 75 years.

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GSE Leak Location Conductive liner 24 years later

At the Florence Copper mine in Arizona, a pond built in 1997 with GSE Leak Location liner, operated for 24 years. Initially underutilized, its expansion required inspection of the exposed geomembrane.

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Anchorage regional landfill-expansion project

In 2020, Anchorage expanded its landfill with a new cell, installing a composite liner system that included BENTOLINER, GSE HD liner, and HDPE piping.

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Providing long term stabilization for drainage channel

PROPEX Armormax and PROPEX Pyramattress, an engineered mattress system that uses PROPEX Pyramat 75 HPTRM to construct a geosynthetic/soil/rock composite for protection of channels, slopes, and spillways.

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Steep slope stabilization at SR-11 KYTC DISTRICT 10

The PROPEX Armormax system helped KYTC meet their goal of providing a safe, efficient, environmentally sound and fiscally responsible option to repair the slope while also ensuring access to the state park and economic growth in the surrounding area.

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Providing levee resilience and durability

Full scale installation of the EEAS began in 2015 and has since been installed on over 100 miles of earthen levees in the New Orleans area. Since installation, multiple levees have experienced overtopping from major hurricanes, but have not breeched.

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Preventing flooding from arid creeks

PROPEX Armormax helped to decrease sedimentation and pollutants and encourages infiltration of water back into the ground water table.

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Restoring stream bank while promoting vegetation

Since the completion of the project, the stream has naturally restored itself to its original channel depth.

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Channel stabilization protects against floods

The end goal of the project is to carry water from future 100-year floods through the city in the channel and eliminate flooding in Randolph.

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Flood protection and erosion control with PROPEX Pyramat

PROPEX Pyramat is a High Performance Turf Reinforcement Mat (HPTRM) that protects the ground surface from erosion while promoting natural vegetation.

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Reinforcing slopes in parking lot

Eight, one foot, PROPEX Pyrawall lifts were constructed to raise the grade for the new parking lot.

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Stabilizing the Des Moines River with PROPEX

The west fork of the Des Moines River in Palo Alto County, had experienced years of erosion and flooding. From 2006 to 2019, the riverbank had receded up to 215 feet in the middle of the bend.

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GEOTUBE dewatering and containment of gypsum wastes at a titanium dioxide plant

Industrial waste, often in slurry form and containing contaminants, needs to be managed and disposed of properly to protect the environment.

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GEOTUBE directs fly ash slurry flow in tailings storage facility closure

GEOTUBE dewatering technology is a cost-effective method for removing water from industrial and mineral slurries and sludges.

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GEOTUBE breakwaters: shoreline protection at Sigandu Beach

The breakwater structure constructed with the GEOTUBE system at Sigandu Beach proved to be a cost-effective solution compared to conventional methods such as rock armor.

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Maximizing mineral recovery with dewatering for a remote gold mine in Indonesia

A remote gold mine located on an Indonesian island required the dredging of heavily silted settling ponds. These ponds contained valuable gold deposits that needed to be recovered and reprocessed.

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Recovering fertilizer from palm oil mill effluent (POME) with GEOTUBE dewatering technology

GEOTUBE units are used to dewater the POME sludge. The units retain the solid particles within the tube, while the liquid can be recycled back through the plant or discharged through the polishing ponds.

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GEOTUBE solution for rare earth waste containment and dewatering

Processing and refining rare earth minerals generates a waste stream that must be managed and stored in an environmentally secure manner.

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Overcoming workspace constraints in urban municipal wastewater treatment plant

The project involved upgrading an old, aerated sewage lagoon into a modern enclosed underground sewage treatment facility.

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Mine wastewater management at MMG Rosebery Gold Mine

The MMG Rosebery mine in Tasmania has been a successful underground mining operation for over 80 years, producing gold, zinc, copper, and lead concentrates.

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Transforming coal mine settling ponds with GEOTUBE dewatering

A large Indonesian mining corporation faced a challenge in dewatering silt sediments from their settling ponds in South Kalimantan, Indonesia.

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Durable GEOTUBE solution for Clark Airport waterway revetment

The GEOTUBE SFM serves as revetment for the entire waterway network at the new Clark Airport Terminal.