Project summary provided by submitting company.
Meticulous planning and thoughtful engineering went into the design and construction of this 51,000 square foot, three-story board-formed exposed concrete tilt-up building consisting of 31 panels. Each panel was cast in rough-cut Douglas fir 1x6 planks that left an impression of grain, knots, and seams which produced a beautiful wood-look concrete exterior. The wood had to be properly arranged to ensure for proper bleed through and indentations. Talk about a lot of wood! The tallest panel was 49 feet, while the widest panel was 25 feet 7.5 inches and totaled 1,180 square feet. The project had several challenges. Beginning in 2017, the original plan called for only two stories; however, at takeoff, another story was added. Because the project included a basement, many discussions with the design team followed to ensure the new changes were accounted for. To begin, the basement had to be constructed by casting it in place. The basement walls were 14-feet tall and required five panels to rest on top of them. In order to set those panels, braces were required to be placed on the outside of the building, because we couldn’t brace them to the slab on the metal deck over the basement area. Fifty percent of the panels were cast in casting beds due to the limited amount of slab on grade area. However, we were able to place the casting beds immediately, which allowed us to start building panels before the building slab on grade was complete. We also encountered areas requiring glazing and marble insets on the exterior. The longest spandrel panel was 21 feet 2 inches. Though there were some differences in texture from board form to smooth finishes, 98% of the building was board form.
The Tilt-Up Achievement Awards were established to honor projects that use site-cast tilt-up concrete to introduce new building types, advance industry technology and provide unique solutions to building programs. Winning entries illustrate the variety, beauty, and flexibility of tilt-up construction.
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