Archive for ‘Morphosis’

February 6, 2011

Phare Tower | Morphosis Architect | morphopedia.com

    Please note that not all images presented reflect the latest version submitted to the official French building permit process. Certain images reflect prior study phases, and should be considered and evaluated as such. 

    This image is protected by copyright and other intellectual property rights under international conventions. This image may not be used or reproduced without seeking permission from Morphosis Architects or the Photographer, Artist, or Institution indicated in the image details provided.


Synthesizing Idiosyncrasies to Mend a Site
Drawing on the power of parametric scripting, the design of the Phare Tower gathers disparate programmatic, physical, and infrastructural elements from the requirements of the building and its surrounding context, and synthesizes these into a form that seamlessly integrates the building into the idiosyncrasies of its site while expressing multiple flows of movement. In the spirit of the Paris Exposition competition proposals, the tower embodies state-of-the-art technological advances to become a cultural landmark.
The complex structure and skin adapt to the tower’s nonstandard form while simultaneously responding to a range of complex, and often competing, physical and environmental considerations. Technologies integrated into the Phare Tower capture the wind for the production of energy and selectively minimize solar gain while maximizing glare-free daylight. Its high-performance skin transforms with changes in light, becoming opaque, translucent, or transparent from different angles and vantage points.

Description

Between 1958 and 1989, high-rise buildings (banned in the historic center of Paris) were constructed just outside the city boundary, forming the business district of La Défense two miles west of Paris. The Phare Tower (phare being French for beacon or lighthouse) marks the first stage of a major redevelopment of the district. La Défense is currently a zone of discrete, isolated buildings amid blank plazas—essentially a nonsite.

The tower emerges from its irregular site, defined by a neighboring motorway and a rail link, and bisected by an existing pedestrian walkway. It is located between the 1989 Grande Arche de la Défense and the 1958 CNIT building, the former exhibition hall of the National Inter-University Consortium for Telecommunications, with an architecturally significant glass façade, designed by Jean Prouvé. These disparate elements, crowded together and seemingly unrelated, provide an opportunity to mend the site. The site strategy thus synthesizes the programmatic, physical, and infrastructural complexities to connect the surrounding urban space and create a coherent sense of place where none previously existed.

At the levels of urbanism and circulation, the scheme complements existing plans to transform the CNIT into a center for commerce and recreation. Circulation is directed from the existing transit hub below grade, through the renovated CNIT facilities, and into the tower’s public spaces via a pavilion. The pavilion connects to the Place Carpeaux, and transitions from horizontal to vertical, becoming an integral element in the tower’s form. Glazed exterior escalators soar 35 meters from the pavilion to the tower’s ninth-floor lobby, transporting approximately eight thousand pedestrians each day. As the visitor rides up the escalators to the Grand Hall, the fully glazed envelope reveals views of the traffic passing underneath, as well as of Parisian monuments in the distance.

Rather than an isolated and autonomous tower, the building is a hybrid structure. The 300-meter tower straddles the site to meet the ground as a tripod. It comprises one splayed structural leg, two occupiable legs (the Trapezium, to the west, and the East Building), as well as a pavilion that engages the surrounding context and transforms the public space of the plaza. The two occupiable legs frame a 24-meter-wide by-28-meter-tall void in the tower’s base, creating a monumental urban gateway, which maintains view corridors toward the CNIT and toward Courbevoie and allows pedestrian traffic to flow directly underneath the building.

As it rises from its tripod base, the tower’s asymmetric profile swells slightly to accommodate the soaring Grand Hall, then becomes more slender in response to wind load, and finally tapers off to a thicket of wind turbines, antennas and hair-like structures on the roof. The tower appears to shift continually, distinct from different vantage points—not a single image but a dynamic structure that responds to its site, environment, and performance requirements. At its base, the building’s skin opens, exposing a 250-foot-high Grand Hall. The Grand Hall becomes the center for all vertical transportation. From the Hall’s security checkpoint, people transition to double-deck banks of express elevators serving the office tower. On the 66th floor, a sky restaurant and a panoramic terrace, offering spectacular 270-degree views, are open to the public. Overall, the project comprises 146 988m2 or 1 582 166 ft2 of net surface area and 164 185 m2 or 1 767 273 ft2 of gross surface area.

Technologies integrated into the Phare Tower harness the wind for the production of energy and selectively minimize solar gain while maximizing glare-free daylight. The tower is crowned with a cluster of antennas and a wind farm of turbines that harvest energy—a metaphorical garden in the sky. Both the form and the orientation of the building respond to the path of the sun. The planar, clear-glazed north façade maximizes interior exposure to year-round natural daylight. A curvilinear second skin of diagonal stainless steel mesh panels wraps the tower’s continuous south, east, and west glazed façades to minimize heat gain and glare and maximize energy efficiency.

Drawings

Phare Tower – Site Plan

Grand Hall Circulation Diagram

Massing Diagram

Site Connectivity Diagram

Vertical Circulation Diagram

Phare Tower – Diagrid Evolution

Phare Tower – Glazing Evolution Diagram

Phare Tower – Optimized Mesh Diagram

Phare Tower – Sun Arc Diagram

Phare Tower – Solar Diagram

Phare Tower – Facade Diagram

Phare Tower – Optimized Skin Diagram

Phare Tower – Grand Hall Axo Diagram

Phare Tower – Grand Hall Diagram

Phare Tower – Grand Hall Diagram

Models

Phare Tower – Working Models

Phare Tower – Model Exterior Detail

Phare Tower – Skin Mock-Up

Sustainability

Optimized skin

Both the form and the orientation of the building respond to the path of the sun; the south façade’s curvilinear double skin minimizes heat gain and glare, while the flat, clear-glazed north façade maximizes interior exposures to year-round natural daylight. A brise soleil wraps the tower’s continuous South, East, and West glazed façades. This double-membrane façade system improves both energy efficiency and worker comfort, by reducing the solar heat gain and minimizing glare, while maintaining panoramic views and affording natural light to the office spaces.

Curvilinear south façade:

Flat, clear glazed north façade:

Traditionally, for optimal sun shading, brise soleil louvers are angled perpendicular to the direction of the sun’s path, as calculated on the summer solstice. Yet the complexity of the tower’s curving east-, west-, and south-facing facades, combined with the diagonal orientation of the panels, requires a unique angle for each of the five thousand stainless steel mesh panels to achieve optimal sun shading.

Diagram of optimized skin:

Roof wind farm
Atop the tower, the diagrid structure dissolves into spires of helical vertical-axis wind turbines. This powerful statement of environmental responsibility literally crowns the building. The natural wind energy harnessed by the turbines will provide power for the general services of the upper floors of the tower. This visually distinctive wind farm provides clean, alternative energy.

Aerodynamic form

The structure is an efficient hybrid concrete and steel system. The concrete core sustains a vertical load only, and the steel beams and diagrid are the ideal shape to withstand windload, resulting in material saving and a reduction in building weight. The steel diagrid structural system results in a lighter building, which facilitates the placement of such a tall tower on a small site with low bearing capacity, where a heavier building made of concrete might prove challenging.

Location:
La Defense, France
Client:
SCI CNIT DEVELOPPEMENT
Size:
1,767,273 gross sq ft / 164,180 gross sq m
Program:
Commercial office tower with office space, employee restaurants, public cafés and amenities, panoramic restaurant
Design:
2006 – 2010
Construction:
2011 – 2015
Type:
  • Commercial

http://morphopedia.com/projects/phare-tower




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February 6, 2011

Phare Tower | Morphosis Architects

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Architecture: Morphosis Architects
Location: Puteaux, 
Project Principal (through Design Development): Tim Christ
Project Director: Charles Lamy
Project Manager: Matt Grady
Project Architect: David Rindlaub
Project Designer: Chandler Ahrens
Client: Unibail
Program: Commercial office tower with office space, employee restaurants, public café, trading floors, public amenities, and parking for 450 cars
Type: Commercial
Constructed Area: 185,494 sqm
Design Year: 2006-2009
Construction Year: 2010-2014
Images: © 
Texts: Thom Mayne and Morphosis
More info: http://www.morphopedia.com/

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Synthesizing Idiosyncrasies to Mend a Site

Drawing on the power of parametric scripting, the design of the Phare Tower gathers disparate programmatic, physical, and infrastructural elements from the requirements of the building and synthesizes these into a form that seamlessly integrates the building into the idiosyncrasies of its site while expressing multiple flows of movement. In the spirit of the Paris Exposition competition proposals, the tower embodies state-of-the-art technological advances to become a cultural landmark.

Description:

Between 1958 and 1989, high-rise buildings (banned in the historic center of Paris) were constructed just outside the city boundary, forming the business district of La Défense two miles west of Paris. The Phare Tower (phare being French for beacon or lighthouse) marks the first stage of a major redevelopment of the district. La Défense is currently a zone of discrete, isolated buildings amid blank plazas-essentially a nonsite.

The tower emerges from its irregular site, defined by a neighboring motorway and a rail link, and bisected by an existing pedestrian walkway. It is located between the 1989 Grande Arche de la Défense and the 1958 CNIT building, the former exhibition hall of the National Inter-University Consortium for Telecommunications, with an architecturally significant glass façade, designed by Jean Prouvé. These disparate elements, crowded together and seemingly unrelated, provide an opportunity to mend the site. The site strategy thus synthesizes the programmatic, physical, and infrastructural complexities to connect the surrounding urban space and create a coherent sense of place where none previously existed.

At the levels of urbanism and circulation, the scheme complements existing plans to transform the CNIT into a center for commerce and recreation. Circulation is directed from the existing transit hub below grade, through the renovated CNIT facilities, and into the tower’s public spaces via a pavilion. The pavilion connects to the Place Carpeaux, and transitions from horizontal to vertical, becoming an integral element in the tower’s form. Glazed exterior escalators soar 35 meters from the pavilion to the tower’s ninth-floor lobby, transporting approximately eight thousand pedestrians each day. As the visitor rides up the escalators to the Grand Hall, strategically located glazing reveals views of the traffic passing underneath, as well as of Parisian monuments in the distance.

Rather than an isolated and autonomous tower, the building is a hybrid structure. The 300-meter tower straddles the site to meet the ground as a tripod. It comprises one splayed structural leg, two usable legs (the Trapezium, to the west, and the East Building), as well as a pavilion that engages the surrounding context and transforms the public space of the plaza. The two usable legs frame a 24-meter-wide by-30-meter-tall void in the tower’s base, creating a monumental urban gateway, which maintains view corridors and allows pedestrian traffic to flow directly underneath the building.

As it rises from its tripod base, the tower’s asymmetric profile swells slightly to accommodate the soaring Grand Hall, then becomes more slender in response to wind load, and finally tapers off to a thicket of wind turbines on the roof. The tower appears to shift continually, distinct from different vantage points-not a single image but a dynamic structure that responds to its site, environment, and performance requirements. At its base, the building’s  opens, exposing a 233-foot-high Grand Hall, which functions as a public plaza in the air. The Grand Hall becomes the center for all vertical transportation. From the Hall’s security checkpoint, people transition to double-deck banks of express elevators serving the office tower. Typical urban social spaces-cafés and a terrace-are distributed vertically throughout the tower. On the 66th floor, a sky restaurant and a panoramic terrace, offering spectacular 270-degree views, are open to the public.

Technologies integrated into the Phare Tower harness the wind for the production of energy and selectively minimize solar gain while maximizing glare-free daylight. The tower is crowned with a cluster of antennas and a wind farm of turbines that harvest energy-a metaphorical garden in the sky. Both the form and the orientation of the building respond to the path of the sun. The planar, clear-glazed north façade maximizes interior exposure to year-round natural daylight. A curvilinear second  of diagonal stainless steel mesh panels wraps the tower’s continuous south, east, and west glazed façades to minimize heat gain and glare and maximize energy efficiency.

http://www.archdaily.com/20692/phare-tower-morphosis-achitects/

February 6, 2011

Morphosis Phare Tower in Paris gets green light

“There’s a fluidity, a sensuousness, a softness to the form as it reaches to the sky. Moving around the tower, it appears to shift continually, distinct from different vantage points – not a single image, but a dynamic structure that responds to its site, environment, and performance requirements.”
Thom Mayne


Image courtesy Morphosis

The Phare Tower is part of the redevelopment for the La Défense business district on the outskirts of Paris.
Informed by a commitment to sustainability and urban connectivity, the Phare Tower will distinguish itself as a beacon of optimism and progress.

Program, design and engineering, are integrated in an innovative vision for a 21st century tower, which emerges organically from its complex site condition to become, by virtue of its fluid and sensuous form, a landmark in the regional skyline.


Image courtesy Morphosis

The scheme synthesizes La Défense’s disparate programmatic, physical and infrastructural elements through a series of sensitively scaled spaces to bring coherency, vibrancy and a sense of place to the area.
Rather than producing an isolated and autonomous building, we sought to develop a hybrid structure where circulation would move fluidly from the below grade transit hub, through the CNIT, and into public spaces that transform from horizontal to vertical – offering a richness of cultural and commercial experiences along the way. A carefully scaled “connector” building physically and programmatically links the CNIT to the Phare Tower.

Glass enclosed exterior escalators transport people from the CNIT connector up to the Tower’s 60-meter high lobby, which functions as a grand public plaza in the air.
In place of an autonomous office building, this hybridized
tower will engage in and contribute to the life of the city.


Image courtesy Morphosis

The scheme transforms the austere ground floor plaza level into a vibrant public space. Typical urban social spaces, gardens, cafes, and shops, as well as an observation deck and sky restaurant are distributed vertically throughout the tower and are accessible to the public.
Skip-stop (express) elevators offer continual opportunities for workers to encounter one another throughout their workday, functioning in many ways like vertical piazzas.


Image courtesy Morphosis


Image courtesy Morphosis


Image courtesy Morphosis

In the spirit of Gustav Eiffel’s innovations in engineering and construction, the Phare Tower will be a powerful symbol of sustainable, performance-driven design. Both the form and the orientation of the building respond to the path of the sun; the south facade’s curvilinear double skin minimizes heat gain and glare, while the flat, clear-glazed north façade maximizes interior exposures to year-round natural daylight. A double skin is at work at all times to maximize energy efficiency. The resultant benefit of increased daylight and natural ventilation creates a workspace of exceptional quality and comfort for its users.
A visually distinctive wind farm crowns the tower and provides clean, alternative energy to power the fans that activate the building’s natural ventilation system. This fully self-sufficient system will cool the building for half of the year without using any outside energy sources or any supplemental heating or cooling. A metaphorical garden in the sky, this crown of wind turbines harvests energy and provides a powerful symbol of committed environmental stewardship.

“For this highly symbolic project, we were determined to give an example of groundbreaking architecture and a model of sustainable development by utilizing cutting-edge research in the new technologies.”
Guillaume Poitrinal
Chairman and CEO of Unibail


Rendering courtesy Unibail-Morphosis
Site Plan


Rendering courtesy Unibail-Morphosis
Floor Plan


Rendering courtesy Unibail-Morphosis
Lobby Level Plan


Drawing courtesy MorphosisRendering courtesy Unibail-Morphosis
Concept Diagram Movement

Morphosis won the international competition in November 2006

Height: 300 meters
Total area: 175,000 square meters
Estimated completion: 2012

Client: Unibail
With the Public Body for the Development of La Défense (EPAD)
Architect: Morphosis
Competition Project Team:
Design Director: Thom Mayne
Principal/Project Manager: Silvia Kuhle
Project Designers:
Chandler Ahrens
Irena Bedenikovic
Project Team:
Anne Marie Burke
John Carpenter
Natalia Traverso Caruana, Guiomar
Contreras, Novella D’Amico
Leonore Daum
Marty Doscher
Patrick Dunn-Baker,
Mauricio Gomez
Joseph Justus
Michelle Lee
Michael Sargent
Aleksander Tamm-Seitz
Local Consulting Architect: Arte Charpentier Architectes
Principal: Jean-Marie Charpentier
Design Director: Andrew Hobson
Associate: Antonio Frausto
Structure and Facade Design: RFR Ingénieurs
Matt King
Grace Tan
MEP and Sustainable Design:
IBE Consulting Engineers and OCI
IBE Consulting Engineers: Peter Simmonds
OCI: Jacques de Pastre
Cost Consulting: Davis Langdon
Nick Butcher
Rick J. Lloyd
Maja Zeremski
Vertical Transportation: Van Deusen & Associates
Rick Sayah

http://www.arcspace.com/architects/morphosis/phare_tower/phare_tower.html