Hatay Dörtyol State Hospital is a 250-bed state hospital that is located in Dörtyol, Hatay. The contractor of the project is Kuzu Group, while Ministry of Health fund the project. The hospital building, which has a reinforced concrete load carrying system, has been designed as a seismically base-isolated structure and the 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


Total number of devices

350 (Str: 340 + Prototype: 10)

Displacement capacity of the devices

± 400 mm

Load bearing capacity of the devices

4000 / 6300 / 10300 / 14500 / 41100 kN