Shafts, Caverns & Galleries Archive - IGT

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Hydroelectric Plant Spullersee

Green energy for ÖBB

Stadttunnel Feldkirch

"Spinne" - unterirdischer Kreisverkehr

2. Röhre Gleinalmtunnel

Im Sprengvortrieb durch das Gleinalmkristallin

Koralm tunnel KAT2 construction lot

20 km TBM drive in crystalline rock with high rock cover

Bahnprojekt Bahnknoten Stuttgart – Stuttgart 21

Neubau eines unterirdischen Bahnhofs in der Mitte der Stadt

Kraftwerk Bärenwerk – Druckstollen

Sanierung des ältesten Wasserkraftwerks der Salzburg AG

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Upgrade of a historic transit route through Algeria
A10 Reitdamm Bridge
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