Tagged: engineering

San Francisco’s Central Subway: Part I – The Roots of Tunneling


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As a native New Yorker I spent years riding the subway before moving to San Francisco. Although San Franciscans may assume that this experience is not one I would want...

San Francisco’s Central Subway: Part II – Underground Stations


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The Union Square and Market Street Station (UMS) is located in a downtown area with abundant shopping and places to meet.  As you can see in the section  below, the...

Life-Savers for Buildings


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Saving people’s lives from the disastrous results of major earthquakes is the most important part of California’s building codes, as indeed it should be. But what about saving the lives...

Bridges to Nowhere – for now


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Pedestrian bridges, often called foot bridges, have been both separate from and part of vehicular bridges. As separate structures they were often constructed in rural or wilderness areas tied to...

San Mateo’s Shoreline Parks


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SHORELINE PARKS, a two-mile stretch along the San Francisco Bay is interrupted by utility towers carrying power lines across the parks’ site and the mound of a capped landfill near...

The de Young Museum Revisited


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Of the more than three million visitors to the de Young Museum since it opened, few would have realized that their experience took place inside a kind of cocoon filled...