With unfavorable initial conditions on a plot located between the old train tracks and a narrow street in Mexico City, the HEMAA architecture studio designs Ferrocarril de Cuernavaca 780, a slender tower that surprisingly adds a new giant to the city's skyline.

Without clashing with its surroundings, the building presents a changing form that not only adapts to the conditions of the plot and its immediate surroundings, but also participates in the regeneration of the urban ecosystem around it. Part of the plot is enabled as a new public space, connecting and generating new circulation flows in the urban fabric.

The ground floor of the project developed by HEMAA is designed so that its commercial activity contributes to the dynamics of the environment, while the typical levels of this program are simplified, preserving only the service and communications cores. On the 13th floor, the open and continuous interior space is interrupted by a terrace that opens onto the city.

The flexibility and freedom of the interior spaces is conditioned by the structural steel façade of the building, which frees the interior space from partitions and structure seeking to obtain the greatest amount of light and promote the connection of the building with its immediate surroundings through its large windows.

A contemporary "Miesian" structure, where structural sincerity, formal composition and modular development show us one of those quiet, elegant and extremely attractive architectures that balance the city in which they emerge, order it and calm it amidst the noise of so many formal cries.

Ferrocarril de Cuernavaca 780 por HEMAA. Fotografía por Rory Gardiner.

Cuernavaca Railway 780 by HEMAA. Photograph by Rory Gardiner.

Cuernavaca Railway 780 by HEMAA. Photograph by César Béjar.

Cuernavaca Railway 780 by HEMAA. Photograph by César Béjar.

Project description by HEMAA

This slender plot of land seemed destined to languish as an overlooked space within the city's fabric. Trapped between a narrow street and the remnants of the Ferrocarril de Cuernavaca Railroad, it required an act of imagination to envision the emergence of a graceful tower that would deftly adapt to the challenging terrain. Comparable to tenacious plants thriving amidst adversity, this tower would unfold, defying expectations.

Formally speaking, the building stands as the result of meticulous analysis and reinterpretation of classical architectural elements. It delves deep into the exploration of aesthetic proportions, incorporating golden ratios whenever possible. It manifests an understanding of steel, concrete, and glass construction in the realm of modern architecture, while remaining attentive to the specific conditions of the site. Its volumetric composition comprises a base, shaft, and capital, each unveiling its character through an array of modulations and window of varying sizes. Employing the structural facade as an astute solution, the design liberates the floors from any hindrances. Such a constructive approach generates modules that optimize interior space utilization and meticulously organize the facades. Enclosed within the urban context, these facades predominantly embrace glazing, fostering an abundance of natural light and harmoniously connecting the building to its surroundings.

Ferrocarril de Cuernavaca 780 por HEMAA. Fotografía por Rory Gardiner.
Cuernavaca Railway 780 by HEMAA. Photograph by Rory Gardiner.

Architecturally, the ground floor welcomes visitors with two symmetrical entrances on the northern and southern facades, facilitating a seamless flow of pedestrians while visually linking the street to the recently completed linear park situated along the railroad. Within its domain lie two parking cabins, assisted by a robotized pallet system, alongside two service cores that encompass elevators, staircases, bathrooms, and utilities. A commercial space destined for a neighborhood coffee shop with inviting terraces further enhances the ground floor. On the typical floors, the program simplifies, retaining only the essential service cores. However, on the 13th floor, the interior area recedes, allowing for a generously rooftop that grants panoramic views extending from the city's skyline to Chapultepec Park. Below street level, one discovers storage rooms, cleaning and maintenance facilities, and various other spaces vital to the building's seamless operation. Notably, a robotic parking system has been implemented, accommodating 126 parking spaces distributed across 13 levels. This innovative solution arose from the restrictive site conditions and local norm requirements that impeded the utilization of a traditional parking system.

The substantial materiality of steel serves as an evocative reminder of the area's industrial past. Once peripheral, this district has undergone a remarkable rejuvenation, emerging as one of Mexico City's most vibrant locales, boasting unparalleled cultural, economic, and infrastructural growth in recent years. Echoing this historical resonance, the building's name boldly situates the tower alongside the railway tracks. Guided by the principles of rationality, order, and meticulous proportion, this project aspires to contribute to the urban fabric, becoming an integral part of its narrative.

Ferrocarril de Cuernavaca 780 por HEMAA. Fotografía por Rory Gardiner.
Cuernavaca Railway 780 by HEMAA. Photograph by Rory Gardiner.

In addition to its historical significance, the selection of steel as the main material for the building holds immense importance in addressing the unique challenges posed by the seismic regulations of Mexico City. As a seismically active region, the city's building codes require structures to have robust systems capable of withstanding earthquake forces. To address the seismic challenges and ensure the highest level of structural integrity, the project engaged in a collaborative effort with top-tier structural designers renowned for their expertise in seismic-resistant design.

While harmonizing with its surroundings, the building possesses an exceptional and distinctive form. Depending on the viewer's vantage point and the time of observation, its shape gracefully metamorphoses, offering a myriad of unique interpretations. Its unequivocal identity creates an ideal backdrop for the tower to assume a vibrant existence once it becomes inhabited. Technology and architecture seamlessly intertwine, composing a flexible system that ensures efficient energy usage and resource management.

Cuernavaca Railway 780 by HEMAA. Photograph by César Béjar.
Cuernavaca Railway 780 by HEMAA. Photograph by César Béjar.

Additionally, Ferrocarril de Cuernavaca 780 is LEED certified, exemplifying its dedication to sustainability. Energy efficiency measures, such as advanced insulation systems, high-efficiency lighting, and advanced HVAC systems, ensure optimal energy usage and reduced carbon emissions. Water conservation strategies, including rainwater harvesting and efficient plumbing fixtures, contribute to a significant reduction in water consumption. Indoor environmental quality is a top priority, with ample natural lighting and effective air replacement promoting occupant health and well-being. The building's design encourages a connection to nature, with large windows, a rooftop garden, and outdoor gathering areas that enhance the overall user experience.

Ferrocarril de Cuernavaca 780 por HEMAA. Fotografía por César Béjar.
Cuernavaca Railway 780 by HEMAA. Photograph by César Béjar.

Ferrocarril de Cuernavaca 780 not only adapts but actively participates in the revitalization of the surrounding urban ecosystem. It embraces its responsibility towards public space, engaging in a compelling dialogue with its neighborhood. Consequently, a portion of the site has been dedicated not to additional construction but to expanding the public realm, fostering connectivity and facilitating circulation, connecting a highly densified and once estrangled street to the Ferrocarril de Cuernavaca Railroad linear park. Furthermore, the envisioned commercial space on the ground floor contributes to the dynamic atmosphere. Much like the adjacent parks and museums, this building embraces the responsibility of shaping a resilient urban fabric, where the past and present harmoniously converge, culminating in an image that embodies the city's future.

More information

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Architects
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Project team
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Santiago Hernández Matos, Alejandra Tornel Cahue, José Miguel Fainsod Castro, José Pedro López González, Alonso Sánchez Toscano, Adriana Aguirre Becerra, Andrea Motilla Chávez, Daniela Parra Orozco, José Miguel Santivañez Gómez, Juan Octavio Ferreira, Mónica García Cruz, Patricio Salgado Rodríguez.

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Collaborators
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Estructural Engineering.- PESA.
Electric Engineering.- DEC.
Plumbing Engineering.- Garza Maldonado.
HVAC Engineering.- CYVSA.
Special Engineering.- TecnoBuildings.
Landscape Design.- DLC Architects.
LEED Certification Comissioning.- Alejandro Trillo + Gabriel Morales.
Architectural Model.- Taller Cuatro Cuartos.

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Area
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9,464.43 sqm.

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Dates
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2024.

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Location
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Mexico City, Mexico.

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Photography
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HEMAA is an architecture firm and developer, lead by Alejandra Tornel, José Fainsod y Santiago Hernández Matos architects, established in 2010 sit in Mexico City. 

Its architecture seeks to improve the lives of its users by proposing particular solutions in each project through the articulation of spatial sequences that integrate an order, character and harmony with its natural context, paying special attention to details, ensuring the functionality of each space and understanding the end result as an assemblage of habitable atmospheres.
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Published on: January 9, 2025
Cite: "Structural design as a spatial solution. Cuernavaca Railway 780 by HEMAA" METALOCUS. Accessed
<http://www.metalocus.es/en/news/structural-design-spatial-solution-cuernavaca-railway-780-hemaa> ISSN 1139-6415
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