Case Study: TransCanada Pipeline Crossing

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Case Study Overview

Project: TransCanada Pipeline Crossing
Location: Cap-de-la-Madeleine, Trois-Rivières, QC, Canada
Project Type: Slope Stabilization
Application: Structural Slope Reinforcement
Product Used: ARMORMAX®

Photo showing sliding failures resulting from TransCanada Pipeline crossing.

Problem

TransCanada successfully ran a large diameter gas pipeline below the St. Maurice River in 2008, but didn't anticipate failing slopes that would be left behind at areas cleared for the crossing construction. Sandy soils caused slides and deposited sediments along the natural bank.

Solution

Extreme slopes and remote access prohibited almost all solutions taht were considered- except ARMORMAX® 75! ARMORMAX® 75 was designed for rapid installation of lightweight materials on steep slopes. Pipeline workers were able to tether to the top of the slope and install mat and anchors with ease.

Photo showing ARMORMAX 75 installation on steep slopes.

Solution

 

Photo showing completed installation of ARMORMAX 75 with vegetated slope reinforcement, enhancing the natural beauty of the area.

Performance

ARMORMAX® 75 provided a return to the pristine vegetated conditions that existed before the crossing construction enhancing the natural beauty of the area.


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