OPAC Consulting Engineers

Project Portfolio


Selected OPAC Projects: (95 Total, 5 on this page)


San Francisco - Oakland West Bay Crossing - Seismic Evaluation

San Francisco - Oakland West Bay Crossing

Seismic analysis of the West Bay Crossing of the San Francisco-Oakland Bay Bridge. The West Bay Crossing is a tandem suspension bridge with main spans of 704 m.

San Francisco - Oakland, California. Study completed 1994

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West Taiwan High Speed Rail Bridge - Preliminary Design

West Taiwan High Speed Rail Bridge

Design and rolling stock analysis of an aesthetically pleasing bridge to carry high speed rail trains across Provincial Highway No. 1 and the First Freeway at Hukou, Taiwan.

Hukou, Taiwan. Design completed 1993

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Ping Ding Steel Arch Bridge - Value Engineering and Design

Ping Ding Steel Arch Bridge

Design of a 60 m span steel arch bridge across a deep ravine in Taiwan. The composite deck consists of steel girders and a cast-in-place concrete slab.

Suburban Taipei, Taiwan. Design completed 1993

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Tacoma Narrows Bridge - Seismic Evaluation

Tacoma Narrows Bridge

Seismic investigation of a 2800 ft span suspension bridge.

Tacoma, Washington. Evaluation completed 1993

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Central Viaduct - Seismic Retrofit Design

Central Viaduct

Seismic retrofit of an existing concrete double-deck viaduct in San Francisco.

San Francisco, California. Design completed 1992

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