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https://www.stantec.com/en/projects/united-states-projects/g/gross-reservoir-expansion-dam-raise Gross Reservoir Expansion (Gross Dam Raise) The Gross Dam project is the largest raise of a concrete dam using roller-compacted concrete in the world. gross reservoirexpansiondamraise https://www.stantec.com/en/news/2022/stantec-awarded-contract-gross-reservoir-expansion-project Stantec awarded US$20 million contract for Gross Reservoir Expansion Project The completed dam will be the tallest in Colorado and improve water reliability for more than 1.5 million people us 20gross reservoirstantecawardedmillion