This other article discusses how uneven sinking of the tower causes cracks and elevator issues: http://www.sfchronicle.com/bayarea/article/SF-s-landmark-tower-f

This other article discusses how uneven sinking of the tower causes cracks and elevator issues: http://www.sfchronicle.com/bayarea/article/SF-s-landmark-tower-for-rich-and-famous-is-8896563.php http://www.sfchronicle.com/bayarea/article/SF-s-landmark-tow... > And while Stanford’s Deierlein doesn’t consider the sink or tilt a safety issue, he did say, “I would be concerned for my investment.” That’s because a shifting building can cause walls to crack, elevators to malfunction and all manner of other annoyances.