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Rogers Stirk Harbour + Partners

“This building is the most sophisticated, highest-quality building in Mexico. It’s a signature building for the bank, for the expansion of their business in North American markets”

Nick Billotti, chairman of Turner International

A new urban landmark on the skyline of Mexico City, the tower marks the gateway to the Paseo de la Reforma from Chapultepec Park. The BBVA Bancomer tower is the result of a collaboration between architectural practices Rogers Stirk Harbour + Partners and Legorreta +Legorreta. In bringing together their different architectural languages yet common values, they have created a building that is both contextual and distinctive.

Mexico City is built on an ancient dried lake and is prone to severe earthquakes so an innovative engineering approach was needed to reduce the risk of tremors. A ‘fuse’ was incorporated into each of the externally expressed structural beams. Its design focuses the impact of an earthquake by absorbing the shock to protect the rest of the structure. This structural solution makes the tower uniquely safe for a building of its height.

To combat solar gain from Mexico’s strong sunlight, a lattice façade system, (which evokes traditional screens or ‘celosias’) shades the exterior of the building allowing daylight in, and views out.

The building is based on the reinterpretation of traditional office space organisation, offering a variety of new flexible working environments for all users. Sky gardens every nine floors create outdoor space within the tower and provide meeting and break-out areas where people can enjoy spectacular views. Consequently, the architecture promotes a sense of community and interaction between staff.

The 50 storey tower provides approximately 78,800m² of prime office space for BBVA Bancomer and can accommodate approximately 4,500 employees.

The tower will be a new urban landmark and reference point on the skyline of Mexico City.

The design responds to the Paseo de la Reforma's change of direction at the junction with Chapultepec Park through its positioning on the site, to make the most of the views opened up along these two routes.

The architecture aims to promote a sense of community and interaction between staff. Sky gardens every ninth floor create outdoor space within the tower and provide meeting and break out areas, taking advantage of the spectacular 360° views. The internal spatial arrangement responds to the geometry and placement of the building on the site: the structural and service core runs diagonally across the floorplate and allows a reinterpretation of the traditional layout of office space, providing a variety of efficiently organised work environments for all users.

The design has evolved from an analysis of the different orientations of each façade and draws on Mexican architectural traditions.

The geometry of the exterior shading is used to create a lattice design which will protect each façade from sunlight and heat whilst optimising natural daylight. It gives the building a texture that evokes traditional lattice screens or ‘celosias’. The proposal is based on generating efficient, open floor plates in order to create a variety of working environments which are flexible and can be adapted to new ways of working. All areas will have ample daylight, great views and access to external triple-height gardens. These gardens, located on every ninth level, allow the working space to be assembled in 'vertical villages' and they will increase the richness and variety of the working environment. The common areas for employees such as the cafeteria (located on a terrace above the car park with spectacular views across the park), and an auditorium, are designed to encourage increased interaction and create a sense of community both among employees in the same departments and between staff in different divisions of the Bank.

On the ground floor, the triple-height entrance on the corner with Paseo de la Reforma will connect the retail banking operations of the building with the commercial operations which will take place on the upper floors. From the ground floor, glazed lifts facing the park will take users, both visitors and employees, to the sky lobby level. The sky lobby will act as a 'window' to the city and the park. Exhibitions and public events are planned to take place in the vestibule, auditorium and cafeteria.

The Torre BBVA Bancomer can be divided into four separate elements: basement, annex building, main tower and auditorium.

The seven-storey basement, found directly below the tower and annex, is constructed from reinforced concrete. It has 1-metre- (3.3-foot-) wide retaining walls, concrete shear walls framing its ramps and 50-metre- (164-foot-) deep piles. Six large steel shoes (zapatas) distribute the loads from the tower’s megaframe into the basement’s retaining wall.

The annex is a 12-storey concrete-framed car park structure. It is separated from the main tower by concrete lift shafts and access bridges linking all levels. The street façade has a curtain wall of vertical aluminium fins fixed to the slab edges. At level 12, steel ‘umbrellas’ provide a canopy for the annex restaurant. The 12 umbrellas, formed from tapering flat steel plates, shelter a triple-height space. Roof lights span between each umbrella and glass folding doors access terraces with views across Chapultepec Park. A suspended aluminium frame, with horizontal aluminium tubes, provides shading.

The tower has a general plan arrangement of 46.5 metres by 46.5 metres (152.6 feet by 152.6 feet). It is 53 storeys high, with a steel and composite megaframe structure with thin composite metal decked slabs. Its light construction was necessary to reduce the seismic mass but provided sufficient weight to avoid hydrostatic uplift.

The megaframe is on the perimeter of the building and fixed on six 1.6-metre by 1.6-metre (5.2-foot by 5.2-foot) mega-columns at each corner. It is set outside the building’s floor slabs and façade, permitting flexibility in the internal layout. Horizontal and diagonal steel bracing is organised in three-storey modules. The slab edges are supported off the megaframe by pinned, bolted or stiffly welded connections.

The buildings capacity to absorb seismic energy is controlled by seismic fuses in the central connection of each three-storey module. These limit the forces transmitted to the rest of the megaframe. All joints in the megaframe are ‘critical demand welds’, made especially for a seismic frame.

The façade shading system, also in three-storey modules, is suspended from the horizontal beams of the megaframe. Connections back to the building are articulated to allow movement of each frame independently of one another.

Some three-storey façades are cut back to create planted sky gardens. The five gardens are linked to levels above by steel helical staircases.

A steel-framed northern service core, attached by glass-walled bridges, is clad in aluminium panels. The core provides access to washrooms, goods lifts and the steel-framed helipad at the building’s top. A glazed VIP lift is used to access the glass-floored bridge to the helipad. Six cantilevered steel-framed boxes, also clad in aluminium panels, penetrate the megaframe on the south side, providing meeting rooms with views across the park.

The fourth building element, on the north side, is a tapered pill-shaped concrete drum with cantilevered ramps accessing all car park levels. A double-height steel-braced frame above the ramps creates an auditorium space at level 12. Vertical aluminium fins cover the auditorium enclosure and a cone-shaped roof light allows in daylight. A planted roof terrace is located above.

All four building elements are connected by open or enclosed bridges that permit substantial horizontal and vertical movement.The sky lobby at level 12 within the tower is accessed by four panoramic lifts and connects directly with the auditorium, the annex restaurant and the central lift core. The glazed panoramic lifts are supported on a lightweight, braced-steel system, surrounded by a planar glazed curtain wall.

Key Facts

    Awards
  • 2016  World Architecture Festival 2016 - Completed Office Buildings - Shortlist
  • 2016  American Architecture Prize - Institutional Architecture Bronze Medal
  • 2016  ENR Global Best Projects Awards 2016 - Office Category - Award of Merit
  • 2016  Bienal Nacional de Arquitectura Mexicana, Silver Medal
  • 2016  MCHAP Awards - Nomination
  • 2016  Council for Tall Buildings and Urban Habitat - Nomination
  • 2014  LEED Gold

Show Team

Team

Miguel Alatriste
Miguel Almaraz
Oswaldo Anaya
Fernanda Argüello
Dennis Austin
José Luis Barrera
Adriana Ciklik
Matt Cooper
José Luis Corona
Samuel Corona
Mark Darbon
Benjamin Darras
Francisco Espinosa
Víctor Figueroa

Mariana Gómez
Gerardo González
Mark Gorton
Lennart Grut
Michael Hughes
Óscar Islas
Dirk Krolikowski
James Leathem
Ricardo Legorreta
Víctor Legorreta
Fredy López
Gerardo Martínez
Andrés Martínez – Lanz
Guillermo Mateos

Douglas Paul
Leonardo Pelleriti
Barbara Perez
Emmanuel Pérez
Alejandro Ramírez
Georgina Robledo
Joel Rojas
James Stopps
Simon Tonks
Andrew Tyley
Lourdes del Val
Carlos Vargas
Alex Zimmerman

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Date
2005-2016

Client
BBVA Bancomer

Architect
LegoRogers (Collaboration between Rogers Stirk Harbour + Partners and Legorreta + Legorreta)

Location
Mexico City, Mexico

Height
235m

Site Area
6,620 m²

Floors
50

Gross Floor Area
188,777m²

Office Area
78,800m2

Structural Engineer
Arup/Colinas de Buen SA de CV

Services Engineer
Arup

Project Manager
Jones Lang LaSalle

Lighting Consultant
Fisher Marantz

Cost Consultant
INPROS

Electrical Engineer
DEC Group

HVAC Engineer
DYPRO