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Site lAlGregory Bateson BuildingSacramento, California
Architect/Engineer:Office of the State ArchitectState of CaliforniaSacramento, California
General Contractor:Continental Heller CorporationSacramento, California
Owner:State of CaliforniaDepartment of General ServicesSacramento, California
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This state office building reflectsboth good design and concern for
energy conservation. Thermal massand shading techniques allow thebuilding to use only 40 percent of
the energy required by newconventional office buildings.
According to the architects, theirenergy-conscious design could not
have been accomplished without the
use of precast and prestressedconcrete. Prestressed concretedouble tees and the supportingprecast ladder frames, exposed tointerior office spaces, contribute to
the thermal mass effect used in the
heating and cooling of the spaces.On the exterior, precast concretecomponents act as sun screens.The designer also used the exteriorcomponents to break the mass ofthe building into smaller elements.
Jury comment: “The energyconscious design makes good useof precast and pies tressed concrete. Precast ladders and colorfulshades express a feeling ofplayfulness, yet the overall design issolid and organized.”
Architect:Charles Kober Associates, ArchitectsSeattle, Washington
Engineer:Robert Englekirk Consulting StructuralEngineers, Inc., Seattle, Washington
General Contractor:Ba ugh Construction CompanySeattle, Washington
Owner:Belle vue Square Managers, Inc.Belle vue, Washington
Bellevue SquareBellevue, Washington
The architecture of this shoppingall is expressed by exposing therecast prestressed concrete
structural frame in both the interiorand exterior. Large window areasare emphasized by the beam andcolumn framing.
Extending the system three storiesin the central court area providesnatural lighting for the entire space.Shops are woven in and out of theframework for variety. Prestressedconcrete beams are connected in avery direct manner to the columnsby using a simple corbel cast ontothe sides of each precast concretecolumn.
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Jury comment: “An exciting conceptfor modern shopping areas. Theexterior treatment, proportions andhuman scale are quite exceptional.”
Five Points StationAtlanta, Georgia
This importantrntropolitan transit
station is set apart from others by
its massive segmental precast
concrete roof and the extensive use
of precast prestressed concrete
(2,000 pieces) throughout the four-
level structure. In plan, the roof
measures 262 by 167 ft. (80 by
51 m) and it is framed with 9
longitudinal and 11 transverse
segmental beams. The huge beams
consist of precast concrete
segments 13 ft. (4 m) long, match-
cast, epoxy glued and post-
tensioned. Beam ends support large
hollow-beam fascia panels. At the
center, supported on the beam-
column framework, is a 66-ft. (20 m)
circular drum consisting of an inner
and outer ring each with 16 con
crete segments post-tensioned
together. In total, the daring
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Architect:HEERY-FABRAP, Architects, Engineers &
Planners, Atlanta, Georgia, a partnership
of Finch Alexander Barnes Rothchild
Paschal, Architects, inc., and Heery
international, incorporated
Engineering Consultant, Construction
Management, Civil and Structural
Engineer:Parsons Brinckerho ft/TudorAtlanta, Georgia
Structural Engineer for Roof Structure:
Parsons Brinckerhoff Quade &Douglas, Inc.New York, New York
General Contractor:Slattery AssociatesNew York, New York
Owner:Metropolitan Atlanta RapidTransit AuthorityAtlanta, Georgia
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structural-architectural treatment is 0a highly visible concrete sculpture.
Jury comment: “The sophisticated,
sculptural appearance is a welcome
relief for transit facilities. Innovative
use of massive structural elements
produces an acceptable scale and a
pleasant space to be in.”
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Stephen C. O’Connell CenterGainesville, Florida
Architect:CRS, Inc.Houston, Texas
Associate Architect:Moore May Graham PooleArchitects, Inc.Gainesville, Florida
Structural Engineer:Geiger-BergerNew York, New York
General Contractor:Dyson & CompanyPensacola, Florida
Owner/Developer:State of Florida
(Tallahassee, Florida
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Form and technology have cometogether in this mixed-use studentactivities center to produce asymbol for modern architecture. Thedesigners have accomplished thisby layering the event spaces withina central air-inflated roof structureand organizing smaller scaleactivities within the tension-supported perimeter skirt”. Thebasic concrete elements of thisdynamic campus facility are aprecast prestressed concretecompression ring and a surroundingsystem of precast concrete arches.Designed to withstand hurricaneforces, the precast concrete framingalso had the advantage of erectionspeed to match rapid roofconstruction.
IJury comment: “Modernarchitecture at its best. We are mostimpressed with this imaginativeenvelope and with the exceptionalrestraint shown in the precastframing.”
Canadian Imperial Bank of CommerceOntario, Canada
Architect/Engineer:Shore Ti/be Hensche/ Irwin PetersArchitects, EngineersToronto, Ontario, Canada
General Contractor:Eastern Construction Company LimitedToronto, Ontario, Canada
Owner:Canadian Imperial Bank of CommerceToronto, Ontario, Canada
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Corporate colors used throughoutthe building inventively reinforce thebank’s image. Exterior windows
Jury comment: “The curved rooflineprovides interesting character. Greatdiscipline is reflected in theconsistent detailing of exteriorprecast concrete cladding.”
The architectural philosophy of thisoffice building is expressed in manyways. The white, curved and flatprecast concrete wall panels with alightly textured finish represent theowner’s progressive attitude towardthe architecture of its new buildings.
were minimized as part of anenergy-conscious design. Naturallight enters offices through acentrally located skylit atrium.
Metropolitan Toronto Police Station #52Toronto, Ontario, Canada
Architect/Engineer:Shore Tube Henschel Irwin PetersArchitects, EngineersToronto, Ontario, Canada
General Contractor:Vanbots Construction CorporationScarborough, Ontario, Canada
Owner:The Municipality of Metropolitan TorontoToronto, Ontario, Canada
Jury comment: “A delightful(hrrangement of architectural precast
concrete. It’s certainly a warm,friendly addition to the civicbuildings of this city.”
The architects were faced with theproblem of creating an open butsecure building for the police forcethat was also architecturally compatible with the nearby Art Gallery of
Ontario. Architectural precastconcrete wall panels in combinationwith large areas of glass block offersecurity while setting a human scalefor the project.
The exposed aggregate precastconcrete panels, ribbed for addedtexture, are similar in appearance tothe materials used on the art gallery.In addition, the precast panels alsohave a layer of insulationsandwiched between the outerlayers of concrete, thus addingenergy efficiency to the list ofadvantages for using precastconcrete on this building.
Security Insurance GroupCorporate HeadquartersFarmington, Connecticut
Projecting a solid corporate imagewhile staying within a tightconstruction budget were theowner’s requirements for its newheadquarters building. Lightlytextured, dark gray precast concretewall panels present a strong,sculptural appearance. The slopingsouth wall adds to the effect andalso acts as a passive solar device.
Recessed, backward slopingwindows are shaded from springthrough fall. Sunlight can enter thewindows in winter months forpassive heat collection. Preformed,lined gutters in the precast concretewall panels below windows removerun-off rainwater from the slopedsurfaces.
All of the esthetic requirementswere achieved within the budgetusing fast-track construction to savetime and money.
Architect/Structural Engineer:Russell Gibson von Dohien, Inc.Farmington, Connecticut
General Contractor:Development Consultants, Inc.Hartford, Connecticut
Owner:Security Insurance GroupFarmington, Connecticut
Jury comment: “The designflexibility of architectural precast
concrete made the unusual windowangles on the south wall possible.Sectional details are well handledand reflect the designer’s ingenuity”
Walter Reed General HospitalWashington, D.C.
The U.S. Army’s most sophisticatedmedical center facilities had tocontinue functioning duringconstruction of the new 1280-bedhospital. Rapid enclosure of thebuilding with architectural precastconcrete wall panels enabledinterior trades to begin work earlyand allowed continuousconstruction. The panels alsoachieve the clean, simple lines andexterior finish required forcompatibility with the older buildingsin the complex. The seven-level, 1.1million sq. ft. (102,190 m2) facilityhas flexibility for future changes.Precast panels can be removed andreplaced for access to interstitialspaces between floors containing allmechanical and electrical systems.
pArchitect:Stone, Marraccini and Patterson,Architects and PlannersMilton T Pflueger ArchitectA Joint VentureSan Francisco, California
Engineer:Isadore Thompson & AssociatesSan Francisco, California
General Contractor:Blake Construction Company andU. S. Industries, Inc.A Joint VentureWashington, D.C.
Owner:Department of the Army( Commanding Officer of Walter ReedReed Army Medical Center,Washington, D.C.
Jury comment: “The elegant use ofarchitectural precast concretebreaks up the massiveness of thestructure and defines the interstitialspaces. An excellent solution to avery challenging problem.”
Miami Free Zone, Miami, Florida
Architect/Engineer:Ferendino/Grafton/Spillis/CandelaArchitects, Engineers, PlannersCoral Gables, Florida
General Contractor:Frank J. Rooney, Inc.Coral Gables, Florida
A combination of load bearing andnon-load bearing architecturalprecast concrete wall panels createa distinctive exterior for thiswarehouse/showroom facility.Selected for speed and economy offabrication and erection, the precastand prestressed concrete components also produced a highly fireresistive structure. The 867,892 sq.ft. (80,627 m2) facility used nearly2,000 precast prestressed concretejoists in the floor and roof system.
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Jury comment: “This building reallyis a work of art that exhibits bothdesign sensitivity and a keen senseof structure. A striking facility forits use.”
Fairoaks Bridge, Sutherlin, Oregon
Engineer:OBEC Consulting EngineersEugene, Oregon
General Contractor:Stach Construction CompanyGrants Pass, Oregon
Owner:Douglas County, Oregon
Standard precast concrete powerpoles used as columns to support acast-in-place bridge deck andprestressed concrete arch ribscombine to give this county bridgeits graceful appearance. The 256-ft.(78 m) long bridge has four arch ribsegments and 20 spandrel columns.
This bridge consists of two separatestructures. Precast prestressedconcrete girders are used for thetwo main spans over the railroadtracks and cast-in-place concretebox girders for the remaining spans.The use of precast prestressedconcrete on the middle spansallowed railroad traffic to continueduring construction. Falsework,needed for outer spans, was notrequired for the precast sections.
The trapezoidal box section reducedthe number of girders in the bridgespan and produced a pleasing,sloped exterior surface that blendstogether the precast and cast-in-place sections.
Jury comment: “The design is cleancut and efficiently solved therailroad’s traffic problems.”
Jury comment: “This structureenhances the surroundingenvironment. The intersections ofthe columns with the arch ribs arehandled particularly well.”
Railroad Avenue OverheadRichmond, CalifornIa
Architect/Engineer.’California Department of TransportationOffice of Structures DesignSacramento, Calif@rnia
General Contractor:Novo-Rados CorporationChino, California
Owner:State of CaliforniaSacramento, California
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Engineer:Alfred Benesch & CompanyChicago, Illinois
General Contractor:Edward Kramer & Sons, Inc.Plain, Wisconsin
Owner:Illinois Department of TransportationSpringfield, Illinois
The transportation department’smain requirement during theconstruction of these twin structureswas minimizing the impact on thesurrounding environment. Precastconcrete segmental box girders,using a launching truss system forerection, were chosen to meet the
environmental demands. The1090-ft. (307 m) long bridgesintegrate well with the surroundingsand allow the river to flow
Vegetation on the bluff appearsalmost undisturbed and the rockoutcroppings are unchanged.
Jury Comment: “A simple, nononsense structure that reveals the
value of precast concrete for long
span bridges. The use of twinbridges avoided what could havebeen an overpowering structure.”
PRESTRESSED CONCRETE /NST/TUT&
201 NORTH WELLS STREET/CHICAGO, ILLINOIS 60606
IDEAS Number 11 Editor: Tryst M. Anderson 10.81
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Kishwaukee River BridgeWinnebago County, Illinois
uninterrupted between the piers.
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