Living Building Challenge Collaborative Competition 139
Chicago, Illinois, USA
The winning design in a competition sponsored
The landscape acts as a welcoming transition
Health and safety are emphasized through
by the Living Building Challenge Collaborative:
into the space and creates a ﬂowing
the selection of sustainable building materials
Chicago proposes an innovative sustainable
connection between the original school,
without VOCs or Red List ingredients. The
classroom building as an annex to the
existing annex and new building.
team analyzed the life cycle of each product,
Annual EUI - Site: 16.7 kBTU / sf / yr
overcrowded Eli Whitney Elementary School
Annual EUI - Source: 32.8 kBTU / sf / yr
on the Southwest Side of Chicago.
choosing locally sourced materials with By elevating the new structure, the team preserves the existing site for students’
The cross-disciplinary design solution elevates
outdoor play and community activities.
the building and connects it to the school with a surface that people can interact with and
With a combination of innovative design
observe throughout the site.
and systems strategies to reach net zero energy, the building features sunshading
An active, “living” exterior skin on the east
devices, natural ventilation, radiant heating,
and west facades acts as a shading device
insulation additions, displacement ventilation,
by changing shape based on the outside
a rooftop photovoltaic array and a geothermal
temperature. The aluminum and oxidized
copper panels close when the exterior temperature rises, shading the facade. As the
To achieve a net zero balance of water
outside temperature cools, the panels open
consumption, the design uses low-ﬂow
to increase the amount of light that can enter
plumbing ﬁxtures and a custom rainwater
harvesting and collection system that stores rainwater in cisterns while excess water drains into an overﬂow pond.
◄ building entrance + playground
rapidly renewable and recycled content.
2015 design annual
25,000 sq. ft. / 2,300 sq. m.
Published on Oct 1, 2015
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