United States Department of Transportation
i
Summit on the beneficial use of dredged materials : turning a surplus material into a commodity of value.
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2014-07-01
[PDF-7.71 MB]
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Abstract:Dredged material management options for commercial ports, particularly those involving permanent or long-term placement facilities, are
diminishing. Many existing placement facilities serving these ports are at, or near capacity, and high costs, plus limited new site availability, make
prospects for new or expanded capacity increasingly difficult. Absent new strategies for dredged material management, maintenance dredging at – and
accessibility to - several major ports could be significantly impaired, with serious implications to freight movement. In the Great Lakes alone, some
175 million to 200 million tons of primarily bulk commodities – including iron ore, coal, stone, petroleum products, chemicals and grain – are moved
annually on the Great Lakes St. Lawrence Seaway system. Given the added factor that, after decades of remediation, much of the material dredged
from Great Lakes harbors need no longer be managed as toxic or hazardous waste, recycling of material suitable for beneficial use has emerged as the
most practical approach to sustainable dredged material management in the region. A Summit on beneficial reuse of dredged material with
programmatic components including: Current technological data on the suitability of dredged material for beneficial reuse; case studies from the Great
Lakes and other U.S. port ranges involving successful beneficial reuse; and relevant policy issues affecting acceptance and encouragement of
beneficial reuse was held to address these issues. The target audience included port authorities, harbor commissions, coastal communities, state and
local regulatory agencies, commercial shipping interests, industries served by marine transportation, dredging practitioners and other stakeholders.
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