Work on the nearly $100-million perimeter pile upgrade of San Francisco’s sinking Millennium Tower, to prevent significant future settlement, is set to start next month, now that litigation over the problem has been fully resolved.  The 645-ft-tall residential tower settled about 17.3 in. since its completion in 2008.  Millennium Tower Association, the homeowners’ group for the 58-story tower, announced the expected start of construction after the end of a dispute that began after the building began settling. “After many years of complex litigation, the association is being fully compensated for retrofitting the building and homeowners are being compensated individually,” says the group, in a release.      Read the article………………………………