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Pamela Buttery lives on the 57th floor. To demonstrate how her home tilts slightly to the left, Buttery hits a golf ball straight ahead toward the window. [...]
The ball takes a sharp left turn toward the direction of the tilt, and it ends up in the northwest corner of her living room. [...]
How to fix the tower, or at least keep it from leaning even more?
Some solutions include pouring a concrete collar around the foundation or building a buttress.
— npr.org
Representatives of the sinking luxury condo tower put the blame on the Transbay Transit Center, a sizable new train and bus terminal currently under construction nearby: "Millennium spokesman P.J. Johnston says workers have been pumping out huge amounts of water as they tunnel through the soil... View full entry
Facing a legal and public-relations nightmare with its sinking and leaning Millennium Tower, the San Francisco highrise’s developer is redesigning the foundation of its newest luxury condo project up Mission Street — with the idea of going all the way down to bedrock. [...]
the 58-story Millennium Tower at 301 Mission St. [has] sunk 16 inches and is leaning 2 inches to the northwest. That condo high-rise sits on a concrete slab with piles driven 60 to 80 feet deep, well short of bedrock.
— SF Chronicle
In contrast, the 706 Mission St. tower was designed without any piles. Instead, it was to be held up by a four-story basement garage sitting on a bowl-shaped concrete slab, 12 feet thick at the center and 5 feet thick at the edges. The Millennium Tower is already sinking even though it was built... View full entry
