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Man rider
A cage-like lift for access into shafts.

meshMesh
Steel bars in a lattice structure which enables shotcrete/fire resistance concrete to bond to the tunnel lining.



Metro
metroA public rail transportation system. It is also a subway system and an electrical underground railway.




Mined tunnel
This is excavated rather than immersed or cut-and-covered by means of drill &blast, TBM, road-header or hand-mining.

monitoringMonitoring
Quantified assessment of a tunnel's infrastructure movement e.g. tunnel structure itself, any rails, any electrical equipment or the tunnel’s environment e.g. temperature and pressure.




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