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PME Inc. was contracted to stabilize and restore the edge of a Highway that traced the bank of a lake in Western Alberta. Over time the lake had caused erosion of the road embankment and washed out the road in several sections. This issue had been previously repaired, but it was a temporary measure, and it was now failing again.
PME conducted an environmental assessment that revealed potential hazards that needed to be addressed. Some of the areas addressed include soils and terrain, vegetation, wildlife, wetlands, aquatic environment, cultural resources, and socioeconomic impacts.
PME worked with the project engineers to cycle the reservoir water to its lowest point, allowing work to begin. Prior to machinery moving along the bank a 20m section of key trench and bank build up was complete to aid in stabilization efforts. After this, we built access points to remove unsuitable material and haul in granular fill and armoring rock. This included disposal of asphalt concrete pavement, as well as removal, salvage, and reinstallation of W-beam guardrail. To finish up the job, placement and compaction of excavated common material and removal of soil nail anchors and wire mesh reinforced shotcrete was complete.
PME’s expertise and team of skilled labourers made it possible to successfully repair the damage done by the erosion.
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