- Date: Friday, May 22, 12:00 pm to 2:00 pm
- Presenters: Holly Herro, Sarah B. George, Jerod G. Johnson, Randy Silverman
- Cost: $29, includes lunch
The Emergency Committee is sponsoring a lunchtime tip session on guidance for earthquake mitigation, prevention, and recovery. Salt Lake City, Utah is on the Wasatch Fault making this an appropriate venue to address this topic as staff in cultural heritage institutions and state planners in Salt Lake City are working on solutions to prevent damage. Three speakers from Salt Lake City Utah will offer methods to mitigate damage to structures and collections and lessons learned after seismic activity.Experts are proactively retrofitting and stabilizing buildings to counteract seismic activity and will share their experience and expertise. Conservators are identifying and mitigating collection risks to foster planning and reduce damage to collections.
Designing a Museum in an Active Seismic Zone
Sarah B. George, Executive Director Emeritus, Natural History Museum of Utah
Salt Lake City is one of the most seismically hazardous urban areas in the interior of the United States because of its location along the Wasatch Fault, at the eastern edge of the highly faulted Basin and Range province. Living in an active fault zone requires significant thought about how to protect people and objects when designing a new structure. The Natural History Museum of Utah’s new home, the Rio Tinto Center, was designed to fit into the hillside above the city, using a variety of engineering solutions such as soldier piles and shear walls to minimize the potential for collapse in a magnitude 7 or greater earthquake. The architects also used the concept of seismic faulting as inspiration for the form and façade of this beautiful, award-winning building.
The Historic Trajectory of Seismic Base Isolation Solutions to Historic Structures
Shake 'Em, Don't Break 'Em: Seismic Storage Strategies for Fragile Library Media in Earthquake Country
Jerod G. Johnson, Senior Engineer, Reaveley Engineers & Associates
Based on a wealth of experiences gleaned over the course of his career, Jerod G. Johnson will provide three brief case studies that trace the historic development of seismic base isolation solutions for historic structures. In this overview Johnson will explore the evolution of seismic engineering solutions over the past 30 years beginning with the Salt Lake City and County Building – the first historic building in the world to be retrofitted with a seismic base isolation system (1989). Next, he will cover the base isolation system installed under the Utah State Capitol Building designed to withstand a 7.3 magnitude earthquake (2008). And finally, the Salt Lake City LDS Temple seismic base isolation renovation will be discussed, a yearlong project begun 27 Dec 2019 that is utilizing a state-of-the-art Japanese roller system, the first of its kind to be installed in the U.S.
Randy Silverman, Head of Preservation, University of Utah Marriott Library
Seismic activity in earthquake country is a certainty; it is just a matter of time. An ounce of prevention is worth a pound of cure when it comes to housing glass plate negatives, lantern slides, papyrus sandwiched between traditional glass mounts; and early sound recordings. Affordability is a huge factor in being able to act proactively as doing nothing to mitigate the threat is effectively accepting a high probability of collection damage for fragile material that is extremely difficult to repair. Even rudimentary improvements to collection storage will dramatically reduce vulnerability, especially during minor seismic events.
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