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Transcript
T ilt-up concrete construction is making an impact worldwide, as illustrated by the 10 notable structures profiled on these pages. All the projects—from a middle school in Ft. Lauderdale, Fla., to an office/warehouse/training center in Buenos Aires, Argentina—are winners of the 1998 Tilt-Up Achievement awards, sponsored by the TiltUp Concrete Association. The projects were completed between Sept. 1, 1996, and Sept. 1, 1997. Each year, TCA honors structures from around the globe that demonstrate outstanding construction quality, aesthetic appeal and creativity in structural and architectural design. Emphasis is placed on unique applications that advance industry technology. One of this year’s winners, for example, is a pedestrian overpass distinguished by two 150-foot-tall tilt-up concrete piers. We will cover this exceptional project in more detail in an upcoming issue of Concrete Construction. For more information about the awards or TCA membership, contact TCA executive director Ed Sauter at P.O. Box 204, Mount Vernon, IA 52314 (phone: 319-895-6911; fax: 319.895.8830; e-mail: [email protected]). Or visit the TCA Web site (www.tilt-up.org). Baptist Overpass, Jacksonville, Fla. Westland Giftware Inc., Union City, Calif. Design-build contractor: The Haskell Company, Jacksonville Engineer: Bliss & Nyitray, Miami General and tilt-up contractor: Balch Enterprises Inc., Hayward, Calif. Architect/engineer: Ron Reese, Hayward Extending over Interstate 95 to connect two children’s hospitals, this impressive 780-foot-long pedestrian overpass is destined to become a Jacksonville landmark. The 14-footwide, 230-foot-long steel-box-truss main span is cablestayed to the soaring 150-foot-tall tilt-up piers, creating a gateway under which thousands of vehicles pass each day. Each pier consists of six concrete elements cast onsite then lifted into place. The design-build contractor used specially designed lifting attachments and rigging to tilt up and precisely align the heavy sections, which are connected vertically with grouted sleeves and horizontally with cast-inplace transverse beams. Westland, an importer of porcelain figurines and music boxes, wanted a warehouse/office facility that would reflect the quality and uniqueness of its products. Yet the building had to be durable, economical and constructed quickly. Tilt-up concrete construction successfully met those demands. The project—from issuance of the building permit to building occupancy—was completed in less than five months. Adding distinction to the 64,574-square-foot twostory building are rounded corners, an arched entry and a vaulted skylight in the lobby. Form liners were used to impart texture to the wall surfaces. 1 2 Signature Grand Conference and Catering Center, Davie, Fla. General and tilt-up contractor: Miller Construction Co., Ft. Lauderdale, Fla. Architect: Jeff Falkanger & Associates Inc., Ft. Lauderdale Engineer: LJB Engineers & Architects, Dayton, Ohio This 100,000-square-foot Mediterranean-design building contains 17 separate soundproofed banquet rooms, the largest of which accommodates 1,800 people. Tilt-up construction usually is not used for this type of design, but the project team successfully achieved the Mediterranean look by using a coral color scheme, a synthetic stucco finish, and Styrofoam, wood and rigid urethane moldings. This building is the first of a nationwide chain of multiroom banquet facilities. Because each facility will have a different architectural theme, tilt-up construction was chosen for its design versatility. Speed of construction, low maintenance and durability were other factors in the decision to use tilt-up. 3 5 New River Middle School, Ft. Lauderdale, Fla. Contractor, architect and engineer: The Haskell Company, Jacksonville, Fla. The tilt-up panels for this 211,000-square-foot three-building facility met the owner’s architectural as well as functional requirements. Because a marine theme was desired, curves were incorporated into some of the panels to simulate ocean waves. One of the buildings—a two-story multipurpose facility—also serves as a hurricane shelter. The two-story tilt-up panels support the roof and second-level floor system and provide the principal lateral load-resisting system against wind shear. The panels weigh up to 70 tons each. 6 Turner Business Center, Lexington, Ky. General contractor: The Bristol Group Inc., Lexington Tilt-up contractor: T & M Tilt-Up, Winder, Ga. Architect: Wiseman Architecture, Lexington Engineer: Freeland Harris Consulting Engineer, Atlanta Effectively demonstrating the classic architectural effects possible with tilt-up concrete, this 85,000-square-foot business center features tilt-up concrete walls and columns. An exterior insulation and finish system (EIFS) was used to create some of the architectural features. In addition to design flexibility, the owner chose tilt-up construction for this job because of its energy efficiency, low maintenance and speed of construction. The building was ready for occupancy 130 days after groundbreaking. 4 Scania, South America-Volvo Truck Division, Buenos Aires, Argentina General contractor: Kocourek S.A. de Construcciones CIF el, Buenos Aires Architect: Aslan Y Ezcurra Y Asociados, Buenos Aires Engineer: LJB Engineers & Architects, Dayton, Ohio This 21,000-square-foot two-story office/warehouse/training center is the first tilt-up concrete structure ever built in Argentina. The owners chose tilt-up because of its durability, speed of construction, appearance and thermal quality (insulated concrete sandwich-wall panels were used throughout). The building exterior is natural concrete with simple rustication bands and exposed aggregate. Because the hardware needed to lift and brace the 75,000-pound panels could not clear customs in time to meet the project deadline, the contractor had to design and fabricate the hardware using limited resources, including parts from a local precast-concrete operation. Physicians Sales & Service, Jacksonville, Fla. 7 General and tilt-up contractor: Elkins Constructors Inc., Jacksonville Architect: KBJ Architects Inc., Jacksonville Engineer: McVeigh & Mangum Engineering Inc., Jacksonville Central Jackson County Fire Protection District, Blue Springs, Mo. Though a glass curtain wall dominates the front façade of this striking corporate headquarters, the rest of the structure is constructed of four-story-tall tilt-up concrete panels, the tallest ever erected in the area. Working at a fast-track pace, the project team was able to complete the 108,000square-foot building in only nine months. A sand texture was used on the panel surfaces to create a uniform, professional image. General and tilt-up contractor: Meyer Brothers Building Co., Blue Springs Architect: Gossen/Livingston Architecture, Kansas City, Mo. Engineer: LJB Engineers & Architects, Dayton, Ohio 9 This attractive 18,700-square-foot facility—comprising firedistrict offices, a boardroom, living quarters, apparatus room and hose tower—was completed in just seven months. White portland cement was used in the tilt-up panels to contrast with the thin red bricks inlaid in the exterior panel surfaces. The contractor integrally cast the 1⁄2-inch-thick bricks into the panels using a special form liner manufactured by The Scott System, Denver. Panel joint widths were reduced from the typical 3⁄4 inch to 3⁄8 inch to resemble mortar joints. 8 10 Corporate Center at Weston, Weston, Fla. General contractor: Itasca Construction Associates, Boca Raton, Fla. Tilt-up contractor: Woodland Construction Co., Jupiter, Fla. Architect: Quincy Johnson & Associates, Boca Raton Engineer: Burton, Braswell, Middlebrooks Associates, Boca Raton Speed of erection and aesthetic appeal were the key reasons tilt-up concrete was the construction method of choice for this four-story, 73,000-square-foot speculative office building. The tilt-up panels are each 54 feet tall, approximately 12 feet wide and weigh 36 tons. The tough tilt-up shell supports the upper floors and roof and meets Florida’s strict hurricane building-code requirements. Even the elevator shaft and stair tower are constructed of tilt-up panels. To reduce construction time, the glazier measured and numbered the building’s window openings while the tilt-up panels were still on the ground, avoiding cutting of the glass onsite. Admiralty Court, Christchurch, New Zealand General and tilt-up contractor: CDB Construction Ltd., Christchurch Architect: Sumich Architects, Auckland Engineer: Alan Reay Consultants Ltd., Christchurch For this four-story apartment building with shops on the first floor, tilt-up construction was chosen for speed of erection (11 weeks for walls and floors), economy and durability. Tilt-up panels were used for the exterior walls as well as the stairwells and fire/sound walls that separate the units. Floors are suspended from anchors embedded in the 42-foot-tall panels. A four-coat acrylic paint system covers the exterior wall surfaces; the interior surfaces are lined with gypsum wallboard over wood furring. To insulate the exterior walls, extruded Styrofoam was installed under the wallboard. PUBLICATION #C980350, Copyright © 1998, The Aberdeen Group, All rights reserved