die Bauzeit
construction period
The period of time needed to erect a structure, such as a house or a bridge.
Die geplante Bauzeit für das neue Stadion beträgt drei Jahre.
The planned construction period for the new stadium is three years.

construction period
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construction period
The period of time needed to erect a structure, such as a house or a bridge.
Die geplante Bauzeit für das neue Stadion beträgt drei Jahre.
The planned construction period for the new stadium is three years.

'Bauzeit' (construction period) is a compound word made up of 'Bau' (construction, from 'bauen' (to build)) and 'Zeit' (time). It literally means the time needed for construction.
Die lange Bauzeit hat die Kosten für das Projekt erhöht.
The long construction period increased the costs of the project.
Common phrases are 'die Bauzeit beträgt...' (the construction period is...), used to state the duration, or 'die Bauzeit einhalten' (to keep to the construction schedule), when a timeline is met. 'die Bauzeit verlängert sich' (the construction period is extended) is also a typical phrase when there are delays.
Die Firma konnte die geplante Bauzeit nicht einhalten.
The company was not able to keep to the planned construction schedule.
This word is used almost exclusively in connection with construction projects, such as the construction of houses, bridges, or roads. It is a key term in planning and reporting on such projects.
Während der gesamten Bauzeit war die Hauptstraße nur einspurig befahrbar.
During the entire construction period, the main road was only passable in one lane.
year built / model year
'Baujahr' and 'Bauzeit' both have to do with the construction or manufacture of something. 'Baujahr' names a specific year, for example for a house, car, or device. 'Bauzeit', on the other hand, means the duration or period during which something was built. Learners may confuse the words because both begin with 'Bau-' and are often used for buildings. A simple guide is: 'Baujahr' answers 'In which year?', while 'Bauzeit' answers 'How long?' or 'During what period?'.

Für die neue Brücke ist eine Bauzeit von zwei Jahren geplant.
A construction period of two years is planned for the new bridge.
Beim Autokauf fragt Max zuerst nach dem Baujahr.
When buying a car, Max first asks about the model year.