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Thread: Weill Cornell Medical College York Ambulatory Care Building - by Polshek Partnership

  1. #31


    My wife was a resident at NYP. I don't believe that any residents live in those disgusting buildings on 1st.

  2. #32

    Default 2 March 2013

  3. #33

    Default 21 July 2013

  4. #34

    Default 29 Sep 2013

    The apartments on the west side of York Avenue between East Sixty-eighth and East Sixty-ninth streets appear to be in the process of demolition.

  5. #35


    ^Is that hospital housing too?

  6. #36


    Quote Originally Posted by mariab View Post
    ^Is that hospital housing too?
    I believe so. What will replace it will look like this:

  7. #37

  8. #38

    Default 28 Dec 2013

    west side of York Avenue between East Sixty-eighth and East Sixty-ninth streets

  9. #39


    Discussion of the redevelopment of the site pictured above is being moved to:

  10. #40
    NYC Aficionado from Oz Merry's Avatar
    Join Date
    Oct 2002


    Weill Cornell Medical College’s Double Skin

    by Emily Hooper

    The outer skin of the double curtain wall features 10-and-a-half foot glass units. (Jeff Goldberg/Esto)

    A research center in Manhattan gets a custom facade solution for energy efficiency and user comfort.

    Ennead Architects and Heintges & Associates recently completed construction on the 475,000-square-foot Belfer Research Center, Weill Cornell Medical College’s latest expansion to Manhattan’s Upper East Side. The building’s facade includes a unique double skin system on the southern face to define the medical campus’ identity, provide ample natural light without glare to the laboratory spaces, and create a highly efficient envelope.

    Heintges and Ennead previously worked together on the neighboring Weill Greenberg Center in 2011, said Todd Schliemann, partner in Ennead Architects and designer of both WCMC’s Weill Greenberg Center and new Belfer Research Building. Among the strategies employed in that project was the use of custom ceramic fritting to cut down on sun loading and glare. The team repeated that strategy at Belfer, applying ceramic frit to both sides of the building’s outer curtain wall. The exterior of the outermost layer features a white frit pattern designed to reflect sunlight, while a black frit pattern on the interior surface helps reduce glare and increase visibility through the glass.

    Heintges and Ennead worked with sustainability consultants at Atelier 10 to achieve maximum performance. (courtesy Ennead Architects)

    The double curtain wall produces a chimney effect that reduces cooling loads. For insulation, the inner layer is composed of argon-filled insulated glass units. “We conducted a lot of thermal analysis to minimize bridging through the outriggers,” said John Pachuta, a partner at Heintges. The framing system for the inner wall is thermally broken; a layer of mineral-fiber insulation behind the frame helps improve performance. Permasteelisa manufactured the 5-foot units in its Montreal facility. Glass from BGT was treated with an Interpane coating, and outrigger connections were affixed to the frame every 5 feet. The outriggers also extend to support the outer skin.

    For the outer wall, unitizing the unique geometries helped maintain the building schedule, despite its complex appearance. “We learned that even with a subtle shift in plane, you can still use standard parts and pieces,” said Schliemann. The team was able to reduce the number of IGUs and achieve a more monolithic appearance by using larger, 10-and-a-half-foot panels, ultimately requiring fewer joints. The grid breaks into 21-foot repetitions, in order to accommodate window washing balconies that also provide faceted cavities in the exterior curtain wall. The cavity between the two skins measures between 18 and 25 inches to accommodate an aluminum catwalk, which is supported by the inner wall’s outriggers. Access points to the catwalk can be reached from the interior for cleaning and maintenance.

    The grid of the facade is broken into 21 repetitions. (Jeff Goldberg/Esto)

    With increasingly erratic environmental conditions in the Northeast corridor, the entire system had to be secure yet resilient. “We considered having support members starting from the base building structure—from the perimeter beams or columns to extend through the inner curtain wall—but to reduce thermal bridging it was more effective to have outriggers extend through the weather enclosure,” said Pachuta. “Instead, steel outriggers support the catwalk and outer screen wall that are directly attached to the mullions of the inner curtain wall.” Mullions of the inner curtain wall are reinforced with steel, and are anchored to the outer wall at the edge of each unit.

    The faceted cavities produce good ventilation, but also leave the protected areas open for pigeons to nest. En lieu of standard bird wire, the team developed a custom steel frame with tensioned, horizontal stainless steel rods ¾ inches apart. Though the system keeps the sky rats at bay, the wire is no wider than a bicycle spoke and does not impede views from inside.

    The cavity between the curtain walls produces a chimney effect. (courtesy Ennead Architects)

    Only the south elevation features the complex curtain; the remainder of the building is wrapped in speckled gray brick. (courtesy Ennead Architects)

    A custom steel rod solution blocks pigeons from roosting in the cavities. (Jeff Goldberg/Esto)

    An aluminum catwalk provides access to the system’s cavity. (Jeff Goldberg/Esto)

    The faceted cavities provide ventilation and access to the inner curtain wall for cleaning and maintenance. (Jeff Goldberg/Esto)

    The south elevation of the building receives ample, direct sunlight. (Jeff Goldberg/Esto)

  11. #41

    Default 22 Feb 2014

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