OPAC Consulting Engineers

Design Services


Selected OPAC Design Projects: (50 Total, 5 on this page)


Nanning Bridge - Design

Nanning Bridge

A 300 m span steel arch bridge across the Yong River. The arch ribs are steel box sections and the deck consists of a steel box girder with an orthotropic deck.

Nanning City, China. Construction completed 2009

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BART Earthquake Safety Program - Seismic Retrofit Design and Construction Support

BART Earthquake Safety Program

Performed seismic vulnerability studies on multiple BART viaducts

San Francisco Bay Area, California. Design completed 2009

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Shenzhen Western Corridor Bridge - Design Supervision

Shenzhen Western Corridor Bridge

Design supervision and review for a 3.8 km long bridge between Shenzhen and the Hong Kong SAR, with separate 210 m span asymmetrical single-tower cable-stayed units across two navigation channels, and 75 m span concrete box girder viaducts.

Shenzhen, China. Construction completed 2005

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Third Carquinez Strait Bridge - Design and Construction Support

Third Carquinez Strait Bridge

A 728 m span suspension bridge with a steel orthotropic deck. The new suspension bridge replaced a 75 year old truss bridge across the Carquinez Strait.

Sacramento River, Crockett - Vallejo, California. Construction completed 2004

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Beijing National Stadium - Design Competition

Beijing National Stadium

Design competition for the 2008 Beijing Olympic Stadium

Beijing, China. Design competition completed 2003

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