About the author  ⁄ Steven Baldridge, P.E., S.E., LEED AP

Steven M. Baldridge is President at BASE and is based in its Honolulu office. (sb@baseengr.com)

Photo Courtesy of Olivier Koning

Kō‘ula is in the center of Ward Village, a 60-acre master-planned community in Honolulu’s urban core that was named “Master Planned Community of the Year” by The National Association of Home Builders and “Best-Planned Community in the United States” by Architectural Digest. Planned as a beautiful addition adjacent to the community’s central park, Kō‘ula is a 41-story mixed-use development featuring 942,000 square feet of built area, including a 566-unit residential tower, common and amenity spaces, 58,300 square feet of retail space, mechanical and support space, and six stories of above-grade parking.

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The U.S. territory of Guam is a small, 210-square-mile island in the western Pacific Ocean with a population of 169,000 residents. Guam is home to one of the harshest building environments in the world. The nearby subduction of one major tectonic plate under another along the Mariana Trench creates frequent and intense earthquakes. The resulting design spectral accelerations are similar in intensity to those present in more familiar earthquake hotspots like Los Angeles. Guam also finds itself situated in “Typhoon Alley,” an area of the western Pacific Ocean that experiences the highest frequency of tropical cyclones on earth, four times more active than similar areas in the Atlantic Ocean.

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Waikiki Beach, Phase 1

A truly striking structure, the Ritz-Carlton Residences Waikiki Beach Phase 1 project in Honolulu, Hawaii, was certainly deserving of the Post-Tensioning Institute’s (PTI) 2017 Project of the Year Award, presented to the project’s engineer, Baldridge & Associates Structural Engineering, Inc. (BASE). The architects, engineers, and contractors on this project faced several significant challenges but successfully overcame them through the creative use of post-tensioning, resulting in a stunning structure that reflects the Ritz-Carlton’s luxurious brand.

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STRUCTURE magazine