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Reconstruction of Prager’s Cubes begins. The focus is on recycling and restoring the building to its original quality

The Prague Institute of Planning and Development (IPR Prague) and the Centre for Architecture and Metropolitan Planning (CAMP) are entering their final days in their current home before a temporary closure. The upcoming reconstruction embraces reuse principles and a circular approach to renovation, while bringing the iconic building closer to Karel Prager’s original design. At the same time, the Construction Approved public program is reaching its climax within the cubes, celebrating and symbolically bringing to a close CAMP’s first era in the complex. By the end of June, the space will officially become an active construction site.

People can say goodbye to CAMP through a special public program

Throughout June, the Emauzy complex is coming alive with Construction Approved, a public program marking the end of an era. Visitors can take part in upcycling workshops and explore a series of site-specific artistic interventions. Fifteen artists and creative figures, including Vladimir 518, TIMO, Lenka Tyrpeklová and Krištof Kintera, have collaborated on an exhibition that will culminate on 25 June with a large-scale Closing Party featuring a music program, food and drinks, and a light installation. It is the last opportunity for the next three years to visit the Prager Cubes. The new CAMP will open in autumn at a former boat repair workshop in Karlín, at Pobřežní 20a.

Abandonment. Response. Process. Emphasis. Underlining. Framing. Intervention. Enter a space of change: a series of artistic interventions in Prager’s Cubes hints at the near future of this place.

Source: IPR Prague | Author: Jan Malý

The reconstruction will be circular

An inventory of the interior furnishings is currently underway. Some items are being moved to the IPR’s temporary headquarters in Holešovice. Anything that doesn’t fit or won’t be used, the IPR is offering to municipal institutions, nonprofit organizations, and subsequently to the public. They are interested, for example, in tables, cabinets, refrigerators, and sofas.

“The buildings will be left with bare walls and empty rooms. The elements will then be dismantled. This means that no one will come in with a hammer and tear down the building’s interior; instead, everything will be carefully dismantled piece by piece so that it can be reused if possible,” says Ondřej Boháč, director of the Prague Institute of Planning and Development. This is the first circular renovation project carried out by a public contracting authority.

The work will proceed according to a pre-renovation audit prepared by the Czech Technical University in Prague (ČVUT), which maps out the possibilities for recycling and reusing building materials such as steel components, concrete, bricks, and glass. It also determines how much of each material can be recycled and what savings this may generate. The materials will therefore be gradually and carefully dismantled, sorted, and prepared for reuse. In both phases of the circular process, IPR is collaborating with Cyrkl, a company with prior experience in this approach.

“The goal of circular renovation isn’t just to minimize waste. We strive to keep as many materials and fixtures in circulation as possible and find new uses for them. Every table, door, or building component that doesn’t need to be replaced with a new product represents savings in raw materials, energy, and emissions. At Cyrkl, we focus precisely on such practical solutions—we connect data, knowledge of material flows, and partners who can give materials a second life,” explains Martina Škvorová of Cyrkl.

Eventually, only bare walls and empty rooms will remain in the buildings. And then the dismantling will begin.

Source: IPR Prague | Author: Jan Malý

The Cubes will return closer to their intended form

The original vision of architects Karel Prager and Jiří Kadeřábek for Emauzy included not only modern offices and an exhibition hall, but also publicly accessible terraces and greater openness to the city and its residents. A sensitive yet extensive renovation is necessary; this significant modernist complex has not undergone any major repairs since its completion in 1975. The building’s current condition does not meet contemporary requirements for energy efficiency, fire safety, hygiene standards, or technical equipment. The project also includes a complete renovation of the building’s exterior and the modernization of its systems, with plans to preserve architecturally valuable elements such as the original wall and floor tiles, light fixtures, and door handles. The renovation will take three years and is expected to cost CZK 1.4 billion. Most of the funding will be provided by Prague City Hall. Representatives of companies PORR and Metrostav DIZ, along with the director of IPR, signed the renovation contract last summer.

Offices
Study

The Prague City Hall drafted a renovation plan as early as 2018. In recent years, the IPR has supplemented it with several expert studies that have helped minimize potentially insensitive alterations to the original architecture. Although the Emauzy buildings by Karel Prager who, among other things, also designed the more famous New Stage of the National Theater and the Federal Assembly (the new building of the National Museum) are not listed as historic monuments, they deserve the utmost sensitivity. Moreover, the completed structure itself was never completed as the architect had envisioned. The IPR has therefore long sought to bring the space closer to his original ideas. Most recently, for example, by locating the CAMP spaces exactly where the exhibition hall was supposed to be according to Prager’s vision.

The buildings owned by the city will now undergo a long-awaited comprehensive renovation. A major restoration of the steel structure will allow the three buildings to continue to rise above the green garden in close proximity to the Emmaus Monastery. For the first time in 50 years, the lightweight exterior cladding will be completely replaced with a faithful replica of the original. The new exterior cladding and the replacement of systems particularly heating, cooling, and ventilation will ensure a reduction in the buildings’ energy consumption. The spatial layout of the offices reinterprets Prager’s original conceptual principles and creates a transparent, contemporary work environment. The renovation of the entire complex also includes the revitalization of the open spaces between the individual buildings, where a park with a magnificent view of the city will be created. The CAMP spaces will extend across the entire base and will be accessible through the atrium. The planned renovation is the culmination of the IPR’s long-standing efforts to make the complex accessible to the public. Two years ago, the institute removed the gates at the entrance to CAMP, added lounge chairs to the lawns, and regularly invites visitors to tour the complex, for example as part of Architecture Day, Open House Prague, or the Architecture Center’s special summer program.

The supporting documents serve as the terms of reference for selecting a contractor. The author of the renovation concept is Professor Miloslav Pavlík, a collaborator of Karel Prager. The restoration of the building envelope and technologies was handled by a team of experts from the Czech Technical University (ČVUT). The spatial layout was designed by the IXA studio, while the landscape design of the grounds was handled by the Land05 studio. The contractor for the renovation will be selected through a tender currently being prepared, and collaboration on subsequent project phases will take the form of a design-build contract.

The total cost of the renovation is estimated at 955 million CZK, representing a savings of more than 250 million CZK compared to the original project.

IPR Praha

Publicly accessible terraces and greater openness to the city—this is what the Prager’s Cubes complex should look like after its complete reconstruction.

Author: ZAN studio , Source: IPR Prague

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