HNTB Architecture
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Sixth Street Viaduct by Michael Maltzan Architecture and HNTB

Los Angeles

April 1, 2017

In a nod to its predecessor—the 1932 viaduct, demolished in 2016—a new bridge dubbed the “Ribbon of Light” will feature 10 pairs of concrete arches.

California Memorial Stadium and Simpson Center for Student-Athlete High Performance

Winning Playbook: HNTB Architecture and STUDIOS Architecture team up to give a 1920s-era stadium at the University of California, Berkeley, a seismic retrofit and expansion that respects its history.

Lamar Anderson

October 16, 2013

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Of the many neoclassical buildings that architect John Galen Howard designed for the University of California, Berkeley, in the early twentieth century, California Memorial Stadium was perhaps the most breathtaking and the most imperiled: from its perch at the base of the Berkeley foothills, the concrete structure—part coliseum, part amphitheater dug into the hillside—offered 73,000 Golden Bears fans sweeping views of San Francisco Bay to the west, but on a site straddling the Hayward Fault.

Santa Clara Stadium

Giving 'Team Building' New Meaning: Designers and contractors rely on collaboration to complete a stadium a year earlier than originally planned.

Nadine M. Post

December 16, 2012

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For five uneasy years, the building team responsible for delivering the San Francisco 49ers' $1 billion new home had hung together through three work hiatuses, a recession, and a regrouping caused by a site relocation 45 miles to the south—from San Francisco's Candlestick Point to Silicon Valley's Santa Clara.

Credits: 1 AIA LU/HSW; 1 AIBD P-CE; 0.1 ICC CEU

Examine waterproofing strategies for water containment structures that enhance durability, prevent failures, and support long-term building performance.

Credits: 1 AIA LU/HSW; 1 AIBD P-CE; 0.1 ICC CEU; 1 IIBEC CEH

Examine adaptive reuse envelope strategies that improve energy performance, preserve architectural character, and transform existing buildings into high-performing multifamily housing.