Transbay Tower "has been my life" for the recent time being, Hines director Charles Kuntz said the three-year project includes a year in the hole, driven by the need to line up the tower's basement with the bottom of the Transbay Transit Center. "We're putting 40-plus 8-foot-diameter caissons down about 250 feet to bedrock, and that takes a long time to do." The company has two years to deliver once it's completed the garage, and is talking to tenants about a partial occupancy situation where it can open up the bottom half of the building while completing the top