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DAM. A construction of wood, stone, or other materials, made across a stream of water for the purpose of confining it; a mole.
     2. The owner of a stream not navigable, may erect a dam across it, and employ the water in any reasonable manner, either for his use or pleasure, so as not to destroy or render useless, materially diminish, or affect the application of the water by the proprietors below on the stream. He must not shut the gates of his dams and detain the water unreasonably, nor let it off in unusual quantities to the annoyance of his neighbors. 4 Dall. 211; 3 Caines, 207; 13 Mass. 420; 3 Pick, 268; 2 N. H. Rep. 532; 17 John. 306; 3 John. Ch. Rep. 282; 3 Rawle, 256; 2 Conn. Rep. 584; 5 Pick. 199; 20 John. 90; 1 Pick. 180; 4 Id. 460; 2 Binn. 475; 14 Serg. & Rawle, 71; Id. 9; 13 John. 212; 1 McCord, 580; 3 N. H. Rep. 321; 1 Halst. R. 1; 3 Kents Com. 354.
     3. When one side of the stream is owned by one person and the other by another, neither, without the consent of the other, can build a dam which extends beyond the filum aqua, thread of the river, without committing a trespass. Cro. Eliz. 269; 12 Mass. 211; Ang. on W. C. 14, 104, 141; vide Lois des Bat. P. 1, c. 3, s. 1, a. 3; Poth. Traite du Contrat de Societe, second app. 236; Hill. Ab. Index, h.t.; 7 Cowen, R. 266; 2 Watts, R. 327; 3 Rawle, R. 90; 17 Mass. R. 289; 5 Pick. R. 175; 4 Mass. R. 401. Vide Inundation.

References in periodicals archive ?
Resultantly, the work on intake of tunnel 4 will have to be stopped due to overlapping of the coffer dam," the spokesman added.
On another visit thereafter, by sheer chance, we witnessed the blowing of the north-bank coffer dam (pictured), which happily didn't significantly alter the water level, and our boat survived unscathed.
So you normally do a coffer dam, pump out the water to work in the dry.
The initial leader trench dug along that side of the site of the coffer dam next to the river, to facilitate its erection, seems to have gone as low as the ship remains without collapsing.
Coffer dam construction is near completion and sheet piling work has started.
The tunnel has a diameter of 10 meters and, in the next phase, Cavico Power and Resource Construction will construct a diversion tunnel and a coffer dam for the upper and lower streams.
Tenders are invited for Supply of malaysian wood sleepers for coffer dam work at eklahare barrage of ntps.
Penstock (water tunnel), head loss and coffer dam are three crucial components of the contract.
Highway Department employees, using equipment borrowed from the Massachusetts Turnpike, blocked the culvert that connects the two parts of the pond with a large steel plate, which served as a coffer dam.
The coffer dam enables the draining of the main basin area needed for dismantling British, American and French vessels berthed at Able Seaton Port.
At the same time the work bridges are being built, crews will build what's called a coffer dam in the river where a pier that will help support the bridge will be built.
We considered a coffer dam, but it was determined that would require too much time," said Williamson.