Tekfen Job No:



Levent, Istanbul, Turkey


Tekfen Holding Co., Inc.


Tekfen Construction and Installation Co., Inc. (Project Management)

Tekfen Portion:






Tekfen Tower, a 26 storey, 117.5 m reinforced concrete building consisting of 82.000 m2 GFA, of which 33.000 m2 high-tech, A-Class office area and related facilities such as 550 seat cafeteria, conference and fitness centers, is an investment project of Tekfen Holding Co., Inc., Real Estate Development Group. Suitably located at an area with easy access to both Bosphorus - Crossing Bridges of İstanbul, urban motorway, metropol center and airport, the prestigious high-rise of Tekfen challenges its competetitors with its architectural efficiency and technically smart infrastructure. Tower’s rear block, podium, extends towards north-west on 5 floors.

Tekfen Construction and Installation Co., Inc. overtook the project on EPC basis and the works were started by the end of 1999, completing the challenging task within a period of 40 months.

The building comprises of 17 elevators and 2 escalators while parking floors can serve up to 800 cars at a time. The Tower provides heating and cooling through the high-tech Variable Air Volume / VAV System (Fan Powered Reheat) offering better air quality while allowing zoning. Tower’s Granite* and Aluminium Cladding were tested for earthquake resistance and infiltration.

* Granite Blocks are imported from sources in Africa, India, Finland and Italy.


Fire Fighting and Smoke Detection System according to NFPA (National Fire Protection Association, USA) standards,
50 m3 / hr / per HVAC capacity,
Vertical Transportation System Design by JB & B Consulting Engineers, USA,
Central Clock System,
Two 1.600 kVA and one 1.000 kVA Standby D/G generators; two 330 kVA UPS System,
Fiber-optic telecommunication infrastructure,
Satellite Master Antenna TV / SMATV compatible Cable TV distribution system.