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date: 26 July 2021

temporary benchmark (TBM) 

Source:
A Dictionary of Construction, Surveying and Civil Engineering
Author(s):

Christopher Gorse,

David Johnston,

Martin Pritchard

A horizontal platform that is established to provide a known reference point with a set level. Once the level is established, the temporary reference point can be used to check and fix other levels around the site. Using ... ...

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