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Government Building Complex on alum shale

The building site in Regjeringskvartalet, the Government Building Complex, consists mainly of alum shale and other black clay shales. In addition to the planning and follow-up of groundwork for tunnel and excavation pits for the new complex, NGI's work has included sampling, analysis and characterization of acidified rock masses.

Portrait of Erlend Sørmo

Erlend Sørmo

Senior adviser Environmental technology erlend.sormo@ngi.no
+47 952 48 151
Portrait of Arnstein Aarset

Arnstein Aarset

Head of Section Rock Engineering arnstein.aarset@ngi.no
+47 976 00 103