Hasdal Health Campus is a complete healthcare facility that consists of 8 blocks with more than 1000 beds that will be in service in Istanbul. The owner of the project is Istanbul University, the contractor of the project is RSY Construction, while the project is funded by TOKİ (Housing Development Administration of Turkey). The hospital buildings, which have reinforced concrete load carrying system, has been designed as a seismically base-isolated and the superstructures have been isolated at the foundation level against earthquake effects. The seismic isolators have been designed and manufactured by TİS Teknolojik İzolatör Sistemleri A.Ş. Information about the project and isolation system is presented at the table below.
The information below only includes A, B, C, G and H3 Blocks of the project that have been initially started.

Name of the produced devices

TİS Double Pendulum (TDP)

Project year


Total number of devices

867 (Str: 847, Prototype: 20)

Displacement capacity of the devices

±450 mm / ± 630 mm

Load bearing capacity of the devices

From 7700 to 34000 kN