Millennium Tower's Lean Improved by $100 Million Retrofit

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Source: San Francisco Chronicle
Millennium Tower's Lean Improved by $100 Million Retrofit
Photo: San Francisco Chronicle
TL;DR Summary

The $100 million fix to stabilize San Francisco's Millennium Tower, which had sunk 18 inches and was leaning 14 inches to the west, has been completed with all 18 concrete piles driven into bedrock. The new perimeter pile system has shifted a total of 18 million pounds off of the tower's original foundation, relieving stress on soils that have compressed beneath the building. The tower's HOA has contracted with a surveyor to monitor the building's performance over the next decade.

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