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BUILDING |
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Cross # Towers
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DESIGNER |
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DESCRIPTION |
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| BIG’s residential towers in the Yongsan International Business District revitalize the Han riverfront into a new commercial and residential center for the citizens of Seoul |
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 Situated at the south-east edge of the Yongsan master plan designed by Studio Libeskind for the Korean development group Dreamhub, BIG’s Cross # Towers will contribute to the developing skyline of Seoul and become a recognizable marker of the new cultural and commercial center of the city. BIG was selected to submit a design proposal for Yongsan International Business District among 19 international offices, including REX, Dominique Perrault, SOM and MVRDV.
 The 21,000 m2 site is positioned next to the existing urban fabric in the future development zones of the Yongsan master plan. BIG’s design includes two elegant towers with a height of 214 and 204m. To meet the height requirements of the site, the exceeding building mass is transformed into an upper and lower horizontal bar, which bridge the two towers at 140m and 70 m height. The two towers are additionally connected through the arrival bar at the ground level - and a courtyard below ground.
“The Cross # Towers constitute a three-dimensional urban community of interlocking horizontal and vertical towers. Three public bridges connect two slender towers at different levels – underground, at the street and in the sky. Catering to the demands and desires of different residents, age groups and cultures the bridges are landscaped and equipped for a variety of activities traditionally restricted to the ground. The resultant volume forms a distinct figure on the new skyline of Seoul – a “#” that serves as a gateway to the new Yongsan Business District signaling a radical departure from the crude repetition of disconnected towers towards a new urban community that populates the three-dimensional space of the city.” Bjarke Ingels, Founding Partner, BIG.
Both the upper and lower bridge introduce rooftop sky gardens accessible to residents, allowing for outdoor activities, while a courtyard at the heart of the development is an integral part of the overall architectural design. Dramatic views towards the neighboring towers and visual connections across the courtyard from the retail zone create an exciting space for the residents and visitors. The outdoor landscape is envisioned to draw from the charm of traditional courtyards combined with the modernity of the project. Pedestrians at the arrival deck which connects the towers at ground level can enjoy impressive views to the bridges above and to the submerged courtyard below.
 “The typical tower inherently removes life from the city it occupies. Circulation is linear and social interactions occur only in lobbies or awkward elevator rides. We propose a building that triples the amount of ground floor – triples the amount of social interaction and reintroduces the idea of neighborhood within the tower complex.”, Thomas Christoffersen, Partner in Charge, BIG.
The development will offer over 600 high-end residences and amenities, including a library, gallery space and a kindergarten. BIG’s design ensures that the tower apartments have optimal conditions towards sun and views. The bar units are given value through their spectacular views and direct access to the roofscapes, activating the outdoor realm. The exterior facades are developed to correspond to the different orientations and solar conditions, creating a diverse façade which varies from the viewer’s vantage point and the position of the sun. |
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| Credits |
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Images © BIG Bjarke Ingels Group
Text and images courtesy by BIG Bjarke Ingels Group
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LOCATION |
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| Continent |
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Asia |
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| Nation |
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 South Korea [Taehan Min'guk] |
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| Special city |
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Seoul |
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| Town |
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Seoul |
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| District |
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Yongsan-gu |
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| Address |
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Road 6, Road C
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MAP |
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TYPOLOGY |
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Main |
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ARCHITECTURE | Residential buildings
Multiple dwelling
Vertical architectures
Skyscrapers
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LANDSCAPE ARCHITECTURE AND NATURAL ENVIRONMENTS | Landscape architecture
Hanging gardens
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Additional |
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ARCHITECTURE | Buildings for cultural activities
Art galleries and exhibition areas
Libraries and media libraries
Education buildings
Day-care centres and nursery schools
Buildings for offices and professional practises
Offices
Commercial buildings
Shops
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LANDSCAPE ARCHITECTURE AND NATURAL ENVIRONMENTS | Landscape architecture
Public gardens
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CHRONOLOGY |
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Project |
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2012
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Realisation |
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2016 |
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CLIENT |
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DIMENSIONAL
DATA |
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| Height |
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Tower 1: m. 214
Tower 2: m. 204 |
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| Floors |
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| Surface |
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site sq.m. 21,000
total sq.m. 96,534 |
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| Number |
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STRUCTURES |
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LANDSCAPE DESIGN |
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STAFF |
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| Project |
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| Principal-in-charge |
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| Bjarke Ingels, Thomas Christoffersen, Finn Nørkjær |
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| Project architect |
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| Project leader |
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| Kamilla Heskje, Cat Huang |
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| Design team |
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| Buster Christensen, Jeppe Ecklon, Tobias Hjortdal, Jakob Sand, Mikkel Marcker Stubgaard, Camila Luise de Andrade Stadler, Lorenzo Boddi, Karol Borkowski, Igor Brozyna, Eduard Champelle, Erik de Haan, Shun Ping Liu, Enea Michelesio, Daram Park, Tiago Barros, Lucian Racovitan, Teresa Fernandez Rojo, Yang Du, Julian Salazar, Laura Youf, Seung Hyun Yuh, Paolo Venturella |
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| Structural consultant |
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Arup Dublin
Project Director: Rory McGowan
Project Manager: Aidan Madden
Design team: Peter Flynn, Aidan Madden, Salam Al-Sabah, Conor Hayes, Barry Cullen, Michael Day, Cathal Quinn Nevin Keane |
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| Systems |
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Arup Dublin
Susan Cormican, Luke Stewart, Alborada Delgado, Tadhg O Broin, Paul Collins, Daniel Roe, Chris Behan, Gerry Banks, Stephen Kendal, Carol O’Riordan |
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| Facades consultant |
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Arup Dublin
Pat Duffy, Javier Iribarren |
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| Lighting engineer |
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Arup Amsterdam
Simone Collon, Mieke Van Der Velden, Ewelina Schraven, Siegrid Siderius |
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| Landscape design |
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Martha Schwarz Partners (MSP)
Principal: Martha Schwartz
Design Director: Markus Jatsch
Project Manager: Nigel Koch
Lead Landscape Architect: Aigars Lauzis
Project Team: Ceylan Belek, Salvatore Tabone, Nicola Albertin |
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| Architect of record |
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SIAPLAN
Project Manager: Yun Sang Bang
Project Architect: Sang Min Lee
Project Team: Jimin Lee, Kyungmo Yang, Kyungmin Yue, Sangsuck Park |
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ANNOTATIONS |
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