Federation Tower Complex in Moscow. Courtesy Mirax Group.

Federation Tower Complex, Mirax City



Rising 365 meters, this 93-story skyscraper provides accommodation for Class-A offices, a five-star Hyatt hotel and luxury apartments. It will become the centerpiece of the new Moscow International Business Center.

Adjacent to the 93-story East Tower is its 66-story twin, the West Tower. A 448-meter stiletto-like, glass dressed elevator mast and spire visually unites these two sail-shaped buildings. Connecting the two towers and the mast are pedestrian bridges at 32nd and 64th floors and the observation platform at the 87th floor. The Federation Tower is the first project in Russia to utilize super high-strength concrete technology. Three levels of steel outrigger truss systems, placed at the bridge levels, distribute gravity and wind loads between the core and perimeter framing. The project is designed and constructed considering modern requirements for occupant safety in super high-rise structures.

In addition to structural engineering services, Thornton Tomasetti is also providing curtain wall consulting services and specialty glass and steel design. We have used computational geometry and building information modeling techniques to develop innovative and efficient designs for the tower caps, integrating the structure with all necessary mechanical functions.

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Materials & Systems

Curtain Wall

Our façade engineering teams advise clients on the best way to develop both conventional and innovative façade systems, applying our knowledge of structures, glazing technology, mechanical shade systems and thermal behavior. We provide design, detailing and engineering support for enclosures of any shape or size, from minimalist to high-tech. We also provide expertise in safety and security glazing, along with glass frits and reflective coatings.

Materials & Systems

Glazing & Structural Glass

Glazing offers transparency that enhances a façade’s aesthetics and experience from both the interior and exterior. It provides light and a visual connection between the inside and outside. But designing with glass requires the deliberate balancing of light transmittance and the effects it has on energy performance and occupant comfort. Glazing design also requires careful consideration of material strength and safety. We provide a full range of design and engineering support for glazing and glass structures, from structural analyses to recommendations for aesthetics and energy performance. Our expertise in glazed-façade and structural-glass construction includes unitized aluminum frames, stick-built metal frames, steel cable supports, structural glass fin supports and glass stairs and balustrades.

Specialized Expertise

Tall & Supertall

For decades, our engineers have been pioneers in systems for tall and supertall buildings. From the development of the stressed-tube skin system in the 1980s to our unique design for Saudi Arabia’s Kingdom Tower – slated to be the world’s tallest building when it’s completed – we have explored new ways to improve upon tall building design and construction.

In recent years, towers have become taller and more visually exciting, creating new structural challenges. Our knowledge and experience, augmented by leading-edge analytical and design tools, are invaluable in providing designs that are safe, comfortable, economical, sustainable and constructable.

With a portfolio that includes three previous “world’s tallest” buildings and more than 100 other high-rises, Thornton Tomasetti has unparalleled experience in tall and supertall building design around the world.