2012-08-24

San Francisco will look underground to expand Moscone Center, settling on a plan to dig out a 500,000-square-foot addition under adjacent Howard Street.

Just a month after architects Skidmore Owings & Merrill and Mark Cavagnero Associates were tapped to design a $550 million expansion, the project team has chosen its preferred option, according to San Francisco Travel Association President Joe D’Alessandro.

"We can get 500,000 square feet of contiguous space underground by doing that. Currently,…

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