Practice makes perfect when putting concrete in place

In a remote part of Boulder County, a large, multilayered slab of concrete rises from the dirt, But it’s not the base of any new building, bridge or road.

The slab is a test bed for crews building what will be the highest dam in Colorado.

Denver Water’s Gross Reservoir Expansion Project will raise the height of Gross Dam by 131 feet, nearly tripling the water storage capacity of the reservoir behind the dam.

Read the full story here.