-story seismic retrofits to removal of boilers, stairs, elevators, escalators, stacks, conveyors, as well as simple interior demolition projects. Silverado also performs drilling... for the required seismic upgrades and many new openings in the brick walls were necessary. Brick was salvaged and palletized onsite for later reuse at the project site. In addition... plaster ceilings, walls and wood flooring to allow for the seismic upgrade, while maintaining the historic fabric of the building. The boiler and mechanical systems were demolished...

tower was no longer a seismically viable structure and therefore had to be removed. The steel and concrete precast building was constructed over a massive basement facility housing...