Azrieli Tunnel
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A tunnel approximately 25 meters long using the preliminary support method is among the most complex ever carried out in Israel. The tunnel was executed in kurkar sandy soil from two parking levels of the Azrieli Towers car park in Tel Aviv. Due to weight limitations and access to the car park, special lightweight drilling equipment was constructed to drill umbrellas in a restricted space.
The company carried out the drilling and grouting of the steel pipes umbrellas, the installing of the mesh, the excavation, and the execution of fiberglass bolts.