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→DESIGN ALLIED WORKS ARCHITECTURE 150 DAVID BAKER + PARTNERS 160 BEHNISCH ARCHITEKTEN 168 CLYFFORD STILL MUSEUM DENVER ALLIED WORKS ARCHITECTURE TEXT BY AARON BETSKY PHOTOS BY BRUCE DAMONTE DEsign→ FIRM 153 A Denver, the Mile high City, is actually a city of the plains. That was the crucial R CH realization that led architect Brad Cloepfil, AIA, of Allied Works Architecture in Portland, ITE Ore., to design the new Clyfford Still Museum as a solitary object sheltered behind C T a screen of sycamore trees, like a homestead found in the windswept flatness that 2012 JANUARY stretches out to the east, north, and south of the site. This 28,500-square-foot monument is now the permanent home for Still’s quintessential brand of American Abstract Expressionist works. The Still Museum houses more than 800 paintings and more than 1,500 works on paper that the artist left to his estate. Still, who died in 1980 at age 75, was a difficult man and a complex painter who spent the last two decades of his life in near seclusion in rural Maryland, having essentially withdrawn his work from the gallery system. His will reserved the rest of his estate for whichever city would build a purpose-built structure to permanently house his—and only his—works. In 2004, the City of Denver and some of its leading citizens pledged to do just that, and have raised $32 million to date for the building’s construction. The newly formed Clyfford Still Museum selected Brad Cloepfil in a limited competition in 2006. The 2008 recession led to a construction slowdown, as well as a 10 percent reduction of the building’s remaining mass—a basement level had already been eliminated. The museum opened in November 2011 after selling four canvases—a move that required some legal wrangling since the initial bequest prevented any sale of Still’s works—for a net income of a little over $80 million, providing itself with an instant endowment. Still never lived in and perhaps never even visited Denver, but he was “a man of the plains,” says museum director Dean Sobel. The artist spent his youth moving back and forth between Washington State, North Dakota, and Alberta, Canada, and his early, figurative work displays men and machinery trying to tame those environments. As Still moved into abstraction—a development that the museum’s opening exhibition illustrates—his canvases maintained “the sense that there is always an individual standing against a landscape,” Sobel says, whether of the plains or of the urban verticals of San Francisco and New York, where he spent much of the ’50s. Fields of colors opened up with vertical “zips” or interlocked with hooklike forms became his signature. It is not difficult to find echoes of these shapes in the building’s design, though Cloepfil claims that such references were unintentional. A simple form composed of poured-in-place architectural concrete whose surface the architect manipulated to catch the strong light that shines over 300 days a year in Denver, the structure lifts a skylit floor of galleries over a base of offices, open storage, educational exhibitions, research and conservation labs, and a small lobby. The second-level galleries are rectangular, and many open up to one another with double-height slot corridors, so that you always see the paintings within a landscape of concrete walls and evenly lit spaces. The light is filtered through a cellular concrete ceiling screen whose geometry is biased toward the north. Incandescent fixtures supplement this natural wash in the galleries. The galleries can display between 60 and 80 canvases at one time, though the inaugural exhibition fits 110, and much of the remainder of the collection is visible to the public in the storerooms, from behind a glass wall. Many of the paintings are still unstretched and rolled. A small research room on the ground floor will make more works available to scholars. Because of the adjacency of the Denver Art Museum, there are few of the other services you might expect, such as a café or a bookstore. This is a shrine and treasure house for a great artist’s work, no more and no less. That quality of being a mausoleum is in evidence on the exterior, a solid and inward-turned volume that stands in contrast to the exuberance of the adjacent Daniel Libeskind–designed Hamilton Wing of the Denver Art Museum, but that also condenses the forms of the institutional buildings and skyscrapers of the surrounding city. Cloepfil, working with landscape architect Reed Hilderbrand, deliberately planted WWW. a grove of sycamore tree on the building’s exposed north side, as if sheltering it from the winds, but also so that, when the trees are mature, one’s view of the structure’s AR first level will be filtered through the trees. This is not a display of architecture, but a CHITE marker to the presence of art, a container for light and image, and a moment of art in CTM the middle of America. A G A The Clyfford Still Museum is sited next to the Denver Art Museum’s Hamilton Wing, designed by ZI N Daniel Libeskind (bottom left). Wood-slat screens cover portions of the glazing at the lobby and E.COM second-level terraces (top); a nod to the process of board-forming the concrete that makes up the rest of the exterior (bottom right). DEsign→ FIRALLIEDM WORKS As visitors make their way up the main staircase, the low ceilings of the lobby give way to lofty skylit galleries on the second floor (this image). Three of the second-floor galleries are suitable for light-sensitive works (opposite top); the remaining six are daylit. Bridges span double-height ground-floor corridors (opposite bottom). North–South Section Gallery Orientation gallery Painting storage Lobby North–South Section Galleries Painting storage Archive display East–West Section Galleries Office Research lab Lobby 0 20 40 DEsign→ ALLIED WORKS FIRM ←deSIGN The first floor of the museum is devoted to open storage, educational exhibits, conservation and research labs, offices, and the lobby. Some works on paper are stored in a research lab (this image), and canvases are stored on vertical racks (bottom) in a light-controlled space that is visible to the public. A double- height corridor (opposite) is lined with glass display cases. First-Floor Plan Painting storage Archive display ., 2011) ., o c iller & m . Research lab r ory ory G Lobby tion (Gre Office a P ccu o fil: S econd-Floor Plan P loe c Galleries Terrace rchitecture/Brad rchitecture/Brad a llied Works Works llied a ted from ted from Terrace P da a Orientation gallery N 0 20 40 Plans: 158 DEsign→ ALLIED WORKS C oncrete Formwork Diagram A R CH ITE C T JANUARY 2012 JANUARY Smooth boards Concrete mix of 50% white cement, 30% gray cement, 20% flyash 1 1/2" relief 3/4" relief 0 1 2 TO O LBOX: BOARD-FORMED CONCRETE WALLS Project Credits The Clyfford Still Museum’s concrete is its essence and its signature. Allied Works used poured-in-place Project Clyfford Still Museum, Denver concrete in order to achieve the massiveness and the cellular structure that architect Brad Cloepfil Client Clyfford Still Museum thought was the correct response to program and site. He also wanted that concrete to catch the light Architect and Interior Designer Allied Works Architecture, Portland, Ore., and and to reveal the process of its making. New York—Brad Cloepfil, AIA (design principal); Chris Bixby, AIA (project lead); Initially the firm studied ways to manipulate the concrete itself to achieve roughness and variation Dan Koch, AIA (project architect); Brent Linden, Susan Barnes, Robin Wilcox, of surface, finally settling on the formwork as the source of variety they wanted. Vertical formwork was Scott Miller, Chelsea Grassinger, AIA, Emily Kappes (project team) constructed out of rough-sawn Hem-Fir planks that were ripped with a bevel or a router to create various Mechanical and Electrical Engineer Arup fin depths; using boards instead of sheets of plywood allowed the architects to exploit the fissures Structural Engineer KPFF between these wood pieces to let concrete ooze out, creating a much more hand-crafted aesthetic. A Construction Manager Romani Group sealer was applied to the boards before the concrete was poured. General Contractor Saunders Construction Though the surface treatment appears to be random, Allied Works carefully determined two patterns Landscape Architect Reed Hilderbrand (one for the north and south façades, another for the east and west ones) based on the intersection of Lighting Designer Arup—Brian Stacy the building faces with the geometry of the perforated ceiling plane. For the north and south façades, 11 Size 28,500 square feet unique shapes of Hem-Fir board were used to create a repeat of approximately 7 1/2 feet. On the east and Cost $15.5 million (construction cost); $29 million (total cost) west façades, the pattern is much smaller in scale: two board shapes to create a repeat every 8 inches. The application of three different textures lends further complexity to the patterns. On the thickest Materials and Sources walls, the boards were routed to create a 1 1/2 inch-thick relief. This relief shrinks to 3/4 inch at inset walls, and to nothing where flush boards were used to form the interior gallery walls. As a result, the walls Architectural Concrete Reginald D. Hough, FAIA have seven different rhythms of vertical concrete fins, portions of which are incomplete by design, the Building Envelope Simpson Gumpertz & Heger sgh.com result of fractures in the fins that occurred with the removal of the formwork.

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