Cofferdam - Wikipedia, the free encyclopedia
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A cofferdam (also called coffer ) is an enclosure within a water environment constructed to allow water to be displaced by air for the purpose of creating a dry work environment. Commonly used for...
en.wikipedia.org/wiki/Cofferdam
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Dam - Wikipedia, the free encyclopedia
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A dam is a barrier that impounds water or underground streams. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees (also known as dikes) ...
en.wikipedia.org/wiki/Dam
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caisson , pneumatic caisson , cofferdam large watertight chamber used for construction under water ... What is the difference between caisson and a cofferdam? ... large watertight chamber used for construction under water...
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www.answers.com/topic/caisson-pneumatic-caisson-cofferd...
www.answers.com/topic/caisson-pneumatic-caisson-cofferdam
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Portadam portable cofferdam system, construction dewatering, cofferdam, stream diversion, sewer, pipeline, remediation ... Portadam® is a temporary, portable cofferdam, water diversion or fluid retention system for use in open water up to 12 feet deep. Portadam is used for construction, rehabilitation,
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cofferdam - large watertight chamber used for construction under water ... Booms and oil skimmers were being used to contain the spill, which was mostly concentrated in one narrow arm of the lake, and three cofferdams were built to prevent any more oil from pouring into the lake, officials said.
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www.thefreedictionary.com/cofferdam
www.thefreedictionary.com/cofferdam
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A temporary cofferdam is used as a watertight barrier to repair and strengthen an existing concrete dam. The cells are standing on solid bedrock and will be removed once the work is finished.
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www.nasspa.com/cellular-dam-1.php
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A nautical application of the term cofferdam is a watertight structure used for making repairs below the waterline of a vessel. The name also is applied to void tanks which protect the buoyancy of a vessel.
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encyclopedia2.thefreedictionary.com/cofferdam
encyclopedia2.thefreedictionary.com/cofferdam
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The invention relates to a substance mixture for a cofferdam material, to the material, and to the use and preparation thereof. 2). Background Art; A cofferdam is an aid customarily used in dentistry, for example for dental operations.
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www.patentgenius.com/patent/5961250.html
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The improved cofferdam 10 overcomes this problem because of its ability to be placed in communication with the atmosphere through hose 26, and also to be pumped out through the agency of pump 34. Cofferdam 10 is used to make an emergency repair of an opening such as 14a in the following manner.
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www.freepatentsonline.com/3857249.html
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