James River Maintenance Dredging PDF Download
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Author | : United States. Army. Corps of Engineers. Norfolk District |
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Total Pages | : |
Release | : 1974 |
Genre | : Environmental impact statements |
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Download James River, Virginia (maintenance Dredging). Book in PDF, ePub and Kindle
Author | : |
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Total Pages | : |
Release | : 1974 |
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Download James River Maintenance Dredging Book in PDF, ePub and Kindle
Author | : |
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Total Pages | : 106 |
Release | : 1974 |
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Download James River Maintenance Dredging Book in PDF, ePub and Kindle
Author | : David A. Pezza |
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Total Pages | : |
Release | : 1981 |
Genre | : Channels (Hydraulic engineering) |
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Download James River Maintenance Dredging Project Book in PDF, ePub and Kindle
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Total Pages | : 50 |
Release | : 1981 |
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Download Tylers Beach Maintenance Dredging, James River Book in PDF, ePub and Kindle
Author | : James W. Holton |
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Total Pages | : |
Release | : 1995 |
Genre | : Dredging |
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Download Long-term Dredged Material Management Plan for the Upper James River, Virginia Book in PDF, ePub and Kindle
Author | : United States. Army. Corps of Engineers |
Publisher | : |
Total Pages | : 70 |
Release | : 1930 |
Genre | : James River (Va.) |
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Download James River, Va Book in PDF, ePub and Kindle
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Total Pages | : 90 |
Release | : 1981 |
Genre | : |
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Download Tylers Beach Maintenance Dredging, James River Book in PDF, ePub and Kindle
Author | : R. E. Hudson |
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Total Pages | : 14 |
Release | : 1982 |
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Download An Overview of a Dredging Demonstration in Contaminated Material, James River, Virginia Book in PDF, ePub and Kindle
The James River is a tributary of the Chesapeake Bay polluted with the toxic pesticide Kepone. The Norfolk District of the Corps of Engineers accomplished maintenance dredging operations within the polluted portion of the James River channel during fiscal year 1982. As part of the channel maintenance, the District conducted a demonstration of a dredging method designed to contain and remove a polluted layer of sediment with a minimum of resuspension. The method involved modifying and fitting an existing dustpan suction head to a contractor's cutterhead dredge. The dredge was then operated using an anchoring and maneuvering wire arrangement that enabled precise positioning of the suction head within the specified layer of polluted sediment. Monitoring of operating parameters onboard the dredge, of resuspension at the suction head, and of water quality around the dredge and disposal area was accomplished with appropriate equipment. The dredge was also operated in the conventional cutterhead configuration for comparison with the dustpan arrangement.
Author | : Robert A Boland (Jr) |
Publisher | : |
Total Pages | : 44 |
Release | : 1975 |
Genre | : Hydraulic models |
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Download Evaluation of Disposal Areas in James River Book in PDF, ePub and Kindle
The existing comprehensive fixed-bed model of James River was used to study the major disposal areas used during maintenance dredging operations for the existing 25-ft-deep navigation channel to determine if the disposal areas are performing satisfactorily in terms of retaining dredged material placed therein. If the test results indicated a probable excessive rate of return of dredged material to the channel, the tests were expanded to include studies of an alternate area or areas in the same general vicinity to determine if a more suitable disposal area could be defined. The tests consisted of the release of lightweight sediments at surface depth in the disposal areas, tracing patterns of movement of material from the areas, and defining areas where these sediments would probably deposit. The results indicated that, in general, the disposal areas and operating procedures presently employed are satisfactory with respect to areas of material deposition and material retention characteristics.