Clockwise from left:
. The Jerome L. Greene Science Center’s double-skin façade is made up of six
wall types. The building envelope is 175,988 square feet.
. The mullion style was chosen to express the industrial ties of the building.
. Each of the 189 double-skin façade units weighs an average of 4,500
. Filtered air is pushed into the double skin through the base and picks up
heat gain as it travels through the cavity and out through the top.
directly on the building,the shades can very slender mullions. The system had
retract and reveal a transparent façade. very small tolerances and the glass di-
During overcast days,the shades are mensions had to be extremely precise.”
retracted fully, allowing the maximum
Enclos, the glazing contractor, was
amount of daylight to enter through awarded the job in late 2010.According
the extra clear glass. During sunny to vice president Jeffrey Vaglio, the ar-
conditions, computers automatically chitectural team wanted to achieve the
activate shades to the optimum posi- design intent by using speciﬁc mullion
tion for light penetration, glare control, proﬁle shapes to maintain minimal
views and heat gain control,” he says.
sightline obstructions, as well as oper-
The double skin is closed and me- able doors that would allow access to
chanically ventilated. Filtered air from the cavity space.
the exhaust system is pushed into the
“Being a double-skin facade with
double skin through the base, then roller blinds in the cavity space, access
travels through the cavity, picking up to them for cleaning and/or replace-
heat gain from the shades and sending ment was a key consideration, with
it out through the top.
Computers calculate the best veloc- ment team’s ease of use over the build-
ity and temperature to take full advan- ing’s life,” he says.
thought given to the facility manage-
tage of the double skin.In combination
Vaglio explains that the double-skin
with the automated shades, and inte- façade provided a unique opportunity
rior daylighting system, it makes for to deliver and install units of the exterior
a complex and very integrated facade and interior skins as a single assembly.
system,” says Drouin.
“Cast elements were used to span
The building envelope is 175,988 the cavity space between the outer and
square feet. It consists primarily of inner skins’ mullions, resulting in a
transparent ﬂoor-to-ceiling glass.Each truss-like assembly that provided great
lope. It is made up of six wall types, of the 189 double-skin façade units stiffness when lifting the deep assem-
including a double-skin façade. The weighs an average of 4,500 pounds.
bly,” he says. “In many areas, the units
“The façade program incorporates were three modules wide by two stories
chitecture ﬁrm Renzo Piano Building six wall types, including high-perfor- tall. Units were assembled in Virginia,
mance structural facades, double-skin shipped to the site, lifted and installed
Designed with science and for sci- walls, metal and glass canopies, and as 7-foot-10-inch by 29-foot-6-inch
ence, the facade addresses the build- vestibules. In fact, AGC Interpane units.”
science center was designed by ar-
ing’s relationship with the surrounding supplied the whole glass for the dou-
The U.S. Green Building Council
industrial history of the neighborhood ble-skin wall used on the building,” selected Columbia University’s Man-
and environmental context in a sus- says Eduardo Rosa, international busi- hattanville Campus expansion for the
tainable way,” says Serge Drouin, as- ness manager at Interpane.
Leadership in Energy and Environmen-
Interpane provided their Ipawhite, tal Design (LEED) Neighborhood De-
scientiﬁc dedicated program is lifted extra low-iron glass with a clear low-E sign pilot program.The 17-acre campus’
aboveground, while the support spaces coating for the project. According to design earned LEED Platinum status. s
are pushed underground. The highly Drouin, at 2 feet 7.5 inches by 14 feet 9
sociate architect at Renzo Piano. “The
transparent, permeable and active inches, the panels were larger than what
ground ﬂoor called the “urban layer” is most domestic manufacturers could
open to the public and the larger uni- produce within the required budget.
J o r d a n S c o t t
is an editorial
assistant of USGlass
magazine. She can
be reached at
The curtainwall is composed of close-
Automated shades within the dou- ly-spaced vertical mullions.Drouin says
ble skin provide dynamic protection the mullion style was chosen to express
from solar heat gain. Unlike ﬁxed glass the industrial ties of the building.
coatings, when the sun is not shining
“It was very important to maintain
December 2017 | USGlass, Metal & Glazing