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structural strength, aesthetic finishing, and pumpability. Integral pigments were added to the textural mixture designs to help develop the organic palette of colors for the habitat. All the shotcrete material was supplied by the Cemex Corporation. Building a home for such magnificent animals made the challenges along the way much easier to keep in perspective. At completion, it was exhilarating to witness the Oregon Zoo herd walking together over sustained distances in a large exhibit yard that appeared to be from the forests and savannas of Asia. This is particularly unusual for elephants in captivity. This feeling was only eclipsed by the joy of watching the youngest elephant, 4-year-old Lily, swim with exuberance while being carefully watched over by the older members of the herd!  THE OUTSTANDING ARCHITECTURE | NEW CONSTRUCTION PROJECT Project Name Elephant Lands, Oregon Zoo Project Location Portland, OR Shotcrete Contractor Turnstone Construction, Inc.* General Contractor Lease Crutcher Lewis Architect/Engineer CLR Design, Armour Unsderfer Engineering Material Supplier/Manufacturer CEMEX CEMENTO Project Owner Oregon Zoo *Corporate Member of the American Shotcrete Association This project won the 2016 Project of the Year Awards with both the Daily Journal of Commerce (Oregon) and the Oregon Concrete and Aggregates Producers Association. Special thanks to the Oregon Zoo, Lease Crutcher Lewis, AUE Engineering, CLR Architects, and the Cemex Corporation. John Fulford founded Turnstone Construction, Inc., in 1997. Based in the Pacific Northwest, Turnstone has been building unusual shotcrete structures ever since, including zoo and aquarium exhibits, complex water features, climbing walls, naturalistic hot spas, salmon spawning streams, Hobbit houses, and simulations of famous caves. Fulford has been involved in five zoological projects that have won the prestigious “Best Exhibit” award from the American Zoo and Aquarium Association. Fig. 9: The highlighted area shows the scale of the six-acre elephant exhibit in relation to the rest of the zoo www.shotcrete.org Winter 2017 | Shotcrete 21


2017WinterShotcreteEMag
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