...Millennium Partners issued a statement Wednesday that stopped short of saying it now intends to put pilings down to bedrock at 706 Mission St. But the company strongly hinted it was moving in that direction — starting with conducting test drilling on the site, across from Yerba Buena Gardens. ...
The company is taking another look at its plans even though 706 Mission isn’t being built on bay fill. The old shoreline is a couple of blocks to the east, and what’s under the new project is described as a mix of sand and clay. ...