Refurbishment and extension of the Gan Tower / CB21
Paris, La Défense

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SUSTAINABLE DEVELOPMENT

CLIENT
Client Regional Land Trust

DESIGN TEAM
ARCHITECT, 2/3/4/architecture
Jean Mas
Project Architect : Laure Mériaud

Structural Engineer : Scyna 4
MEP Engineer : BETHODE
MEP Engineer : TERRELL BROCHET

PROGRAM
The extension and refurbishment of an office building with a garden terrace at the height of 180 meters.
 
AREAS
Existing : 75 000 m² _Net Inner Surface
Post-extension : 100 000 m² _Net Inner Surface
Garden terrace : 400 m² _Net Inner Surface

SCHEDULE
 Competition : 09/2007
Building permit : 07/2008

CONSTRUCTION COST
 240 M€ (Exclusive of tax_value 04/2011)

VIEWS and VIDEO
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