Page 24 - ArchitectureDC_Spring2015
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Breaking the complex into multiple wings that step        ecosystems. The top courtyard features rocks and trees
down the hillside followed master plan requirements to          of the Piedmont; the center, grasses and bushes of the
maintain a low profile, but it also proved to be a synergistic  alluvial plain; and the bottom a large pond with the
design move, especially in conjunction with the glazed          grasses and reeds of a tidal marsh. Each associated
courtyard facades. Relative to a standard, monolithic           building level has a coordinated accent color that appears
office building, multiple wings inherently allow for more       in the open offices and shared-space pantry and copy
daylighting, views, and access to the outdoors for              room nodes: rust at the top; green in the middle; and blue
employees; protect against progressive structural failure       at the bottom.
in the event of a natural disaster or human-launched
attack; and make the experience of circulating through                The formal entrance is at the top of the hillside, facing
the building engaging. They also provide a distinct sense       the historic hospital campus. It is a semi-separate pavilion,
of identity to each of the various departments and sub-         sized for visiting delegations, with generous light but
departments within the Coast Guard, while the abundant          controlled views. Immediately beyond a security/reception
glass promotes visual communication between them.               checkpoint, however, one enters the “Bridge,” a glassy
                                                                corridor. Analogous to the command center of a ship,
      The architects started by determining the ideal building  this bridge overlooks the roofs and courtyards of the
depth and column spacing to provide flexibility of use and      entire headquarters complex, as well as the panorama of
ensure abundant natural light and views. They settled           the city and the rivers. It’s easy for the Commandant to
on a 30-foot module. Lower levels are three modules (90         impress high-level visitors.
feet) deep, slimming via setbacks to two modules (60
feet) at the parapet level of most wings. Columns were                Adjacent to the “Bridge” is a bank of glass elevators
carefully located to allow multiple types of office             known as “Hatteras Light” which runs the entire height
arrangements—closed offices, cubicles, and shared-use           of the complex. (Lighthouses are in the Coast Guard’s
spaces—to anticipate the inevitable future organizational       purview, and the famous one at Cape Hatteras, North
shifts. In fact, during the period of design and construction,  Carolina, is the tallest in the U.S.) The upper levels,
the Coast Guard underwent one such reorganization,              above grade, where the elevators are in glass shafts, offer
causing a substantial reallocation of the interior spaces.      the same stunning views outward, but when the elevators
“The design met its first test before it was even finished,”    plunge below grade, into black concrete shafts, the focus
noted Lynn Goldfarb, AIA, LEED AP BD+C, who led                 shifts to the people in adjacent elevators and the cables,
Perkins+Will’s Washington team.                                 counterweights, and other moving elements of the
                                                                elevators. At the very bottom, one is deep in the hillside,
      The complex has three basic levels, each with a large     and a long corridor, with a window providing (literally)
rooftop courtyard. The landscape architects, Andropogon         a light the end of the tunnel, leads to the office spaces of
Associates, conceptualized them as three regional               the LL9 level.

                                                                                                                          A courtyard with the “Bridge”
                                                                                                                          visible in the left background.

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