The Fairfax County Department of Public Works and Environmental Services built a new 72-foot diameter dome structure to store 2,500 tons of salt at the Dulles Maintenance Facility. The $2.9 million project included constructing the prefabricated geodesic dome, a portable conveyor, feeding hopper, water and electrical lines, and landscaping. The dome structure and associated facilities were completed in December 2020 to improve salt storage and help protect local streams and water quality.
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