Field data collection was a time-consuming and prone-to-human-error chore until one engineer came up with a technology solution.

San Francisco Dept. of Building Inspection advises the Millennium Tower homeowners association to “refrain from resuming” the pile foundation retrofit for the settling 645-ft-tall condominium until a new approach to the fix is reviewed by the city.

The 58-story Millennium Tower in the Transbay district of San Francisco, which has sunk 18 in. and is tilting 2 in., is under even more scrutiny for possible structural defects since a window on the 36th floor cracked.

Engineers continue to investigate 12-15 sinkholes that opened on April 25 in a gated community in Ocala, Florida.