Revisions to a slimmed-down $100 million retrofit program meant to counteract the active sinking and tilting of San Francisco's Millennium Tower have been approved, and a new timeline for completing the work has been issued.
City officials and expert consultants spent the last six months reviewing a smaller program, which is expected to In a June letter to the city, the team of engineers that has been studying the revised proposal stated that the 18-pile retrofit is estimated to recover about 4.3 inches of westward tilt and 0.3 inches of northward tilt. In contrast, the 52-pile retrofit was estimated to recover about 5.5 inches of westward tilt and 3.5 inches of northward tilt over the same timeframe. Both variations would avoid the 3.5 inches of additional westward tilt and 3.