Bursa Ali Osman Sönmez State Hospital is a 750-bed state hospital that is located in Osmangazi, Bursa. The building, which has a reinforced concrete load bearing system, has been designed as a seismically base-isolated system and superstructure has been isolated at the foundation level against earthquake effects. The seismic isolators have been designed, manufactured and installed by TİS Teknolojik İzolatör Sistemleri A.Ş. Information about the project and isolation system is presented at the table below.

Name of the produced devices   TİS Double Pendulum (TDP)
Project year 2017
Total number of devices 931 (Str: 923 + Prototype: 8)
Displacement capacity of the devices ± 410 mm
Load bearing capacity of the devices 4800 / 9200 / 13100 / 17200 kN