Case studies

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

september 2024

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

Read the article
Six-foot (1.83 meters) B3 anchors were installed at 5 feet by 4 feet (1.52 meters by 1.22 meters) spacing, providing a pullout capacity of 1,200 pounds (544 kilograms).

Filter by

quarrying
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®

quarrying
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. 

quarrying
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. 

quarrying
Geosynthetic reinforcement to successfully repair a railway track section

CN Railway utilized MIRAFI® RS580i to stabilize track foundations at the Rosetown subdivision, improving safety, and reducing future maintenance costs in challenging conditions. 

quarrying
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.

quarrying
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.

quarrying
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.

quarrying
Bridging sinkhole voids with MIRAGRID XT

Thurber Engineering and Solmax used MIRAGRID XT geogrid to remediate William Griffin Recreation Centre's turf, stabilizing voids and enhancing field performance. 

quarrying
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.

quarrying
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.

quarrying
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.

quarrying
Stabilization and construction of a new arterial roadway in using MIRAFI

Effective stabilization of fine-grained subgrade soils and the implementation of MIRAFI RS580i led to a new roadway that exceeded performance expectations.

quarrying
Roadway reconstruction on STH-106 with MIRAFI

Jefferson County Highway Department successfully reconstructed Wisconsin Highway 106 over marshland, using geosynthetic materials to minimize excavation and ensure a stable, well-drained road surface.

quarrying
Overcoming soft soil challenges with MIRAFI

Utilizing MIRAFI RS580i for stable construction, the East Lake Sammamish Trail overcame soft soil challenges, reducing costs and material waste effectively.

quarrying
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.

quarrying
Meeting subgrade stabilization challenges with MIRAFI

Utilizing MIRAFI RS380i geotextile fabric, this project overcame poor subgrade conditions to construct four commercial buildings with stable platforms for parking lots and loading docks.

quarrying
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.

quarrying
Enhancing road resilience in Alaska with MIRAFI

Alaska's Dalton Highway demonstrated the effectiveness of MIRAFI H2Ri in enhancing road durability and reducing maintenance in extreme environments. 

quarrying
IMAX parking lot's innovative stormwater system with MIRAFI

In 2012, Mississauga's IMAX parking lot implemented a low impact development system to manage stormwater, enhancing water quality and maintaining pavement integrity.

quarrying
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.

quarrying
How Impact Solar Farm overcame road stabilization challenges with MIRAFI

MIRAFI RS280i was used at Impact Solar Farm in Texas for efficient road stabilization, offering environmental benefits and cost savings.

quarrying
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.

quarrying
Increasing roadway design life with MIRAFI

116th Ave in Grande Prairie was reconstructed using MIRAFI H2Ri, overcoming failures from heavy traffic and challenging soil, improving road longevity and performance.

quarrying
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.

quarrying
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.

quarrying
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.

quarrying
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.

quarrying
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.

quarrying
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.

quarrying
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.

quarrying
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.

quarrying
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.

quarrying
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.

quarrying
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.

quarrying
Preventing flooding from arid creeks

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

quarrying
Restoring stream bank while promoting vegetation

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

quarrying
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.

quarrying
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.

quarrying
Reinforcing slopes in parking lot

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

quarrying
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.

quarrying
Enhancing runway durability with Petromat Enviro

The Altoona-Blair County Airport, a regional airport in central PA, faced a safety concern with one of its runways. Reflective cracking had occurred due to harsh freeze/thaw conditions during winter months.

quarrying
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.

quarrying
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.

quarrying
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.

quarrying
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.

quarrying
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.

quarrying
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.

quarrying
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.

quarrying
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.

quarrying
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.

quarrying
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.

quarrying
GEOTUBE dewatering: Innovative submerged sediment removal at Brisbane River

In a groundbreaking project in Australia, a specially designed remote-controlled underwater dredger was used to clear and clean a blocked stormwater drain that discharged into the Brisbane River.

quarrying
Asia's longest dewatering GEOTUBE in Indonesia's Kalimantan region

This project holds the distinction of being Asia's longest GEOTUBE dewatering project.

quarrying
Revitalizing Tianjin Eco-City: Sustainable wastewater cleanup and transformation

The GEOTUBE dewatering containers were used to contain the dredged slurry and remove water from the material, achieving a consistency similar to compacted borrowed material.

quarrying
The longest sea-crossing bridge constructed with GEOTUBE

Over 27 km (16.8 miles) of geotextile tubes were installed for the construction of the Lach Huyen Bridge in Vietnam.

quarrying
Constructing an artificial island with GEOTUBE

For constructing the edge levees that formed the temporary platform, GEOTUBE GT1000 was chosen.

quarrying
Protecting shorelines from erosion in Lake McConaughy, Nebraska

GEOTUBE TC1200MB units were selected to provide erosion control because they can be filled using on site materials, making them a more efficient solution than importing stone.

quarrying
Containment for hazardous waste disposal at Jinchang City

Solmax was chosen to supply a high-grade, multi-layer solution comprised of 1.00 mm GSE HD and 2.00 mm GSE HD conductive geomembrane, each spanning an area of 25,700 m² (276,600 f²).

quarrying
Lining a tailings facility on the roof of the world

Solmax geomembranes were used to line the tailings facilities of the recently expanded Yulong Copper Mine. The mine located in the Qinghai-Tibet Plateau, on one of the largest copper deposits in China, is important to the economy of the region.

quarrying
Increasing wastewater treatment capacity to serve a growing town

The Municipality of Tweed is located in central-eastern Ontario. In 2019, the Municipality identified that the existing wastewater treatment system was nearing its rated capacity.