Okan University Hospital project is transforming of a shopping mall into hospital in Tuzla, Istanbul. Existing shoping mall building is near D-100 Tuzla-Kurtköy exit and surrounded by roads on all four sides. In the past the building has been designed as a shopping mall and after 80% of the rough work has been completed. Construction works interrupted. Okan University bought this unfinished building to convert it into a hospital building. Total indoor area of Okan University hospital is 45,000 sqm. The main entrance to the site is located at northeast. Emergency entrance and service entrance are located at southeast. Southwest of the building there is another entrance for the patients on foot who comes to the hospital by public transportaion. At the same time, this entrance is for clinics, physical treatment and rehabilition, hemodialysis and medical oncology patients. Administration entrance is located close to main entrance. There are some outdoor parking areas and also indoor parking areas in the basement floor with an entrance from south direction.