OVERVIEW
TransCanada has the largest pipeline infrastructure in Canada. In 2008, TransCanada, now known as TC Energy, successfully ran a large diameter gas pipeline below the St. Maurice River in Cap de la Madeleine, Quebec. After construction, the steep 1:1 slopes that were cleared for access began to experience erosion and stability issues. Sandy soils caused slides and deposited sediments along the river’s bank.
CHALLENGE
Due to the terrain’s extreme slopes and the remote area, access to the site was prohibitive of most slope stabilization solutions. PROPEX Armormax® was selected because it is light weight, easily transported to remote areas, and is low impact development (LID). It also provides provides immediate and long-term stabilization. Pipelines workers tethered to the top of the slope and installed the PROPEX Pyramat® 75 High Performance Turf Reinforcement Mat (HPTRM) and B2 Engineered Earth Anchors™ with ease.
SOLUTION
After installation, PROPEX Armormax was live staked with trees and seeded. Twelve years later, the trees and vegetation have matured and continue to prevent erosion of sediments into the river with a natural, vegetated solution.
Lightweight PROPEX® Armormax® was installed by tethered workers on steep slopes, securing the terrain with PROPEX Pyramat® 75 HPTRM and B2 Engineered Earth Anchors™
The PROPEX Armormax® system was live staked with trees and seeded, ensuring long-term erosion control while integrating vegetation into the stabilization solution
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.
Enhancing pavement stability and improving moisture management with MIRAFI H2Ri
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.
Ground stabilization with MIRAFI RSi at Puerto Peñasco solar farm
MIRAFI® RS580i geotextile was used with sand and gravel to stabilize sandy soil at a solar farm in Mexico, enabling heavy truck access and reducing environmental and construction costs.