Sevenson Environmental Conducts State of the Art Capping Project on the Grasse River Massena New York

WINOPS Environmental Software combines forces with 3 NOVATEL 20 cm RTK DGPS receivers on a clamshell dredge to guide and archive 7167 buckets of capping material. Colors delineate various experimental capping materials.

This pilot capping project funded by Alcoa was successful in demonstrating precision material placement for future containment of contaminated sediments.

Al Reeves guides the Tremie deployment mechanism pumping a special bentonite slurry.

On site crew boss Steve Derochi keeps the ball rolling and the material moving.

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