It Took 18 Hours to Pour San Francisco’s Biggest-Ever Concrete Foundation
WIRED
When finished, Salesforce Tower will be the tallest building in San Francisco. For now, it’s a big hole in the ground. And at the bottom of that hole is a new, massive concrete slab—14 feet thick, spread nearly an acre in breadth, and ready to support

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From:: San Francisco News By Google News

By Zennie Abraham

Zennie Abraham | Zennie Abraham or "Zennie62" is the founder of Zennie62Media which consists of zennie62blog.com and a multimedia blog news aggregator and video network, and 78-blog network, with social media and content development services and consulting. Zennie is a pioneer video blogger, YouTube Partner, social media practitioner, game developer, and pundit. Note: news aggregator content does not reflect the personal views of Mr. Abraham.

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