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For the excavation of foundation excavation pit for the Four Seasons Bosphorus Hotel, located very close to Istanbul Bosphorus, an anchored piled wall shoring system was implemented with a depth of 18 m. In order to provide impermeability of shoring system along the seaside and in order to improve the subsoil under the foundation, jet grout columns with a total length of 32,000 m and a diameter of 60-80 cm diameter were installed.

Project Description

Four Seasons Bosphorus Hotel

  • Engineering

Project Features

Atik Pasha Turizm A.Ş.
Key Quantities
Jet Grout Column 32,000 m
Anchor 17,000 m
Bored Pile 3,200 m
Mini Pile 5,900 m
Project Duration
Start Date 01.08.2005
Finish Date 01.08.2006
Duration 12 Months


Istanbul, Turkey




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