TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

OPEN TRENCH [3 records]

Record 1 2006-11-21

English

Subject field(s)
  • Sewers and Drainage
  • Drainage and Irrigation (Agric.)
DEF

An open channel which is used to carry off surplus ground and surface water.

CONT

Drainage systems ... The major channels are generally open drains, or ditches, but on each farm closed, or covered, drains are used. Open drains are relatively inexpensive to install, and can carry larger amounts of water. However, they are rarely used for on-farm drainage because of the large amount of land that would be removed from cultivation and because of the difficulties of conducting farming operations between closely spaced open drains.

CONT

Drainage ditches are often dangerous and unsightly; generally, they should not be incorporated into a site development because other methods are safer and more efficient.

French

Domaine(s)
  • Égouts et drainage
  • Drainage et irrigation (Agriculture)
CONT

Le drainage par fossés ouverts permet l'évacuation en surface des eaux; il suppose le creusement de rigoles et de fossés à pente régulière et de section croissante; malheureusement, cet assainissement suppose une topographie convenable des parcelles, gêne la circulation des machines et provoque une perte de terrain parfois importante.

CONT

On réalise l'assainissement en provoquant l'écoulement des eaux stagnantes souterraines au moyen de fossés de drainage, de drains enterrés, de captage de sources.

CONT

Drainage par fossés. [...] L'assainissement des forêts, des bois et des tourbières est exclusivement réalisé par des fossés.

Spanish

Campo(s) temático(s)
  • Alcantarillas y drenaje
  • Drenaje y riego (Agricultura)
Save record 1

Record 2 1996-05-21

English

Subject field(s)
  • Waste Management
  • Nuclear Waste Materials
CONT

Figure 6.1 illustrates a typical open disposal trench at the Barnwell facility. The trench floor is sloped slightly and covered with a layer of sand to facilitate collection of percolating water in a french drain. A number of pipes allow any water that may collect in the french drain to be removed and analyzed. Presently waste, primarily in boxes, drums and cask liners, is stacked neatly in the trench, starting at the high end and progressing toward the low end. High specific activity waste is usually placed at the bottom of the trench. A separate narrower shielded trench is used at Barnwell for waste that has very high dose rates at the package surface. As the level of the waste reaches the design level, 2 m below grade, a layer of dry soil is added and allowed to filter down between the waste containers. When a trench is filled, it is covered with a cap of at least 0.6 m of compacted native clay, followed by at least 0.9 m of soil.

OBS

"Disposal" usually refers to permanent storage.

Key term(s)
  • open trench

French

Domaine(s)
  • Gestion des déchets
  • Déchets nucléaires
OBS

On doit reserver le terme «évacuation» au stockage permanent.

Spanish

Campo(s) temático(s)
  • Gestión de los desechos
  • Desechos nucleares
Save record 2

Record 3 1993-05-13

English

Subject field(s)
  • Construction Engineering (Military)
  • Field Artillery

French

Domaine(s)
  • Génie construction (Militaire)
  • Artillerie de campagne
OBS

Terme uniformisé par le Comité de terminologie française du Conseil de doctrine et de tactique de l'Armée de terre (CDTAT).

Spanish

Save record 3

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