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Tuesday, 27 December 2011

eugenio Simonetti t +Renato stewart l.: costanera lyon 1 + 2

'costanera lyon 1' by eugenio simonetti t + renato stewart l., santiago, chile
all images courtesy eugenio simonetti t + renato stewart l.

chilean architects eugenio simonetti t + renato stewart l. have created 'costanera lyon 1', a prototypical office
tower in santiago, chile. the unified structure of this pair of office buildings combines vierendeel beams
and scissor columns to produce seismic resistant towers. a single mass exterior creates a thermal mass which is
easy to heat and cool without a double skin to reduce energy consumption. currently complete, the first prototype
features a portion of the corner which has been removed and placed upon the roof, creating a penthouse floor and pool.
the void is visible from the dynamic street and creates a different identity from the second prototype.

street perspective

the second iteration features cantilevered slabs to utilize the site area, but required additional support to resist the
lateral forces of the earthquake prone region. perimetral walls contribute to torsional rigidity while 21 vierendeel beams
carry the building's dead weight and open the interior for unobstructed outward views. fourteen scissor base columns
support the 16 slabs service placed around one core. conceived as a wholistic entity, each element is necessary to retain
its stability and without one piece, the structure would not stand.

lower two levels are open to the public

recessed public plazas

visitors enter through bridges which traverse over outdoor areas

ground level corridor

downward view through atrium

pool on roof terrace

at night

interior rendering

interior rendering

exterior rendering of prototype 2

site plan




project info:

project name: costanera lyon 1 and costanera lyon 2
architects: eugenio simonetti t and renato stewart l.
design team: juan santa maria, danilo magni. alvaro romero.
leed certification (silver): energy arq
lighting: oriana ponzini
structure: eduardo spoerer.
client: inmobiliaria almahue s.a.
location: nueva de lyon 145, providencia, santiago de chile
year: costanera lyon 1, 2009-2011 (completed), costanera lyon 2, 2011-2013 (under construction)
area: 42.000m2 (total floor) 5.000m2 (site)
budget: $ 55.000.000
photography: guy wenborne, ana maria pincheira

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