Portakal Cicegi

Portakal Cicegi 1

Standing at at 40 storeys and 142 m high, the Orange Flower Tower is tallest building in Ankara

Portakal Cicegi 3

Non-linear analysis was used to optimise the tower’s concrete slabs and to speed up floor construction

Orange Flower Tower is located inside the Orange Valley in the heart of Ankara. As the tallest building in Ankara has 40-storeys with a height of 142.00 m. This residential skyscraper is rising on a 3,500 m² lot within a 5,913 m² area providing a panaromic view of the city.

The residence consist of 35 residence floors and 5 underground floors containing luxury residences, indoor swimming pool, recreational areas, closed garage with 222 vehicle capacity, meeting room, lobby, shelter, etc. 
Static Project Features
  • 3 m thick raft foundation
  • A solid base was reached after 22 m and despite this 211 bored piles of 40 cm of diameter sunk.
Prota was responsible for the R/C and steel structural design, quantity surveying, preparation of reports.


  • LocationAnkara / Turkey
  • ClientPortakal Cicegi A.S.
  • Total Closed Area40,380 m²
  • Term of Contract2005-2006
  • ArchitectTektonika Architecture