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September 27, 2019

Concrete paving

Photo provided by WACA
The pavement was placed using a new adaptive concrete placement technology.

Eighth Street cross-dock facility

Location: Everett

Owner/developer: KW EVT LLC

Team: Kirtley-Cole Associates, general contractor; Reid Middleton, civil and structural engineer; LangCo NW, concrete contractor; Miles Sand & Gravel, ready-mix supplier

Along the shore of the Snohomish River on the Interstate 5 corridor is a 16-acre site that is home to a brand new distribution center with 499,900 square feet of concrete pavement for heavy loads for distributions to and from the warehouse.

All 11,685 cubic yards of concrete pavement were placed at 7.5 inches thick throughout the site, and placements utilized a new adaptive concrete placement technology and technique: the Somero S-22E laser screed equipped with a 3D profiler system and total station. It allows for automatic, accurate paving of contoured sites in dimensions of all shapes, configurations and varying slopes.

The largest single placement utilizing this equipment on this project was 150 by 360 feet, totaling 54,000 square feet. Utilizing the tool allowed LangCo NW's Somero-certified personnel and ACI-certified flatwork finishers to achieve exceptional results in sloped, contoured pavement on site with varying shapes and configurations.

This technological upgrade in the industry has revolutionized concrete paving techniques on parking lots, loading docks and service areas. It's also used to "overlay" deteriorated parking lots and streets, being utilized to white top and repair roadways, runways, taxiways and bridges.

Utilizing this equipment and technology will enable concrete contractors and ready-mix suppliers to compete in traditional asphalt parking lots being converted into concrete parking lots of varying shapes, slopes, and configurations — thus increasing its share of the marketplace.

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