Council on Tall Buildings and Urban Habitat
Global Walking Tour: Istanbul
2 August 2018
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ISTANBUL – On August 2nd, the Istanbul edition of the 2018 CTBUH Global Walking Tour was organized and led by CTBUH Turkey Representative Ilayda Oner, Turner International and Harika Uyanık, Arup.

The group met at The Address Hotel & Residences at Emaar Square Istanbul, one of the highest skyscrapers in Istanbul. Designed by Foster + Partners and managed by Turner International, the tower will be an iconic building in Turkey when completed in 2019.

The tour group gathers in front of The Address Hotel & Residences (left); the tower will be one of the highest skyscrapers in Istanbul when completed in 2019 (right)

The tour kicked off in front of the tower, following an introduction about the Emaar Square complex and the tower. Since the construction was ongoing, the group put on personal protective equipment (PPE) and went up to the 47th and 48th floors, where they enjoyed a great view of the city. Upon completion, these floors will be an observation terrace and sky restaurant, open to the public.

Technical information related to the construction was given to the group; participants asked many questions. Concrete pouring continues on the top floor at level 50, 229.4 meters above the street. The first 10 floors will be managed by Address Hotel, which consists of 183 rooms. There will be 320 residences, in addition to pools, restaurants and mechanical space on the upper floors.

The tour group admires the view of Istanbul from the top of The Address Hotel & Residences.

The group later had a site visit to Çiftçi Towers, which included a coffee break at the development’s sales office, during which an Arup project manager gave the project brief to the group. Later the group walked around the complex, looked inside the retail spaces and visited the 33rd floor of Tower A. They also had the opportunity to see the incomparable view from a few show flats.

Çiftçi Towers consists of two 45-story, 180-meter towers. The architectural concept was by John McAslan & Partners, with execution managed by Arup Istanbul. The interior residential architects are FM Architects from Italy; Mixity-Tunca Architects of the UK and Turkey handled the design for the retail portion. The MEP and structural systems were designed by Arup.

The mixed-use development covers approximately 300,000 square meters in total and includes two residential towers, office floors, a retail section and seven floors of parking. Each of the towers also features a helipad at the top.

The view from the Çiftçi Towers extends out over a wide expanse of Istanbul (left); Commercial spaces at the base of  Tower A are under construction (right).

The Çiftçi Towers mixed-use development includes two residential towers as well as office and retail spaces.

The complex has been built to comply with all national and international standards. In terms of architectural design, the towers and residences have been designed for the best view with minimal interference of the towers with views from the flats in their counterparts. The towers are also designed to maximize the ceiling height in the residences. The living rooms and bedrooms are designed to have a clear height of 3.15 meters, while rest of the flats have 2.8-meter ceilings. The residences have full-glass façades with minimally-sized vertical profiles, which helps deliver brightness along with a fantastic view. Openable windows provide natural ventilation.

In terms of structural design, high seismic performance levels are required for the most important types of buildings, such as the Çiftçi Towers. Cost-effective solutions have been developed to achieve this performance. Composite columns, specially-designed coupling beams, core walls and high-strength materials have been used in the structural design. Some columns change locations between the retail and high-rise office / residential portion of the building, with transfer slabs allowing the gravity load to be passed safely down through the structure.
A substantial canopy extends over the retail and lobby areas at the base of the Çiftçi Towers.

The dome over the ground-floor entrance embraces and welcomes all visitors and tenants under a widespread canopy. The Mound, a characteristic feature of the project, covers the shopping area and, while it separates the view upwards from the ground level , it also creates a high-quality green area for the residents, including a running track with bridges to the children’s playground. On these bridges, looking down yields views only of greenery.