Despite adverse soil conditions that required a thick concrete mat slab, the design team succeeded in reducing the new Rainier Beach High School’s carbon footprint.

The concrete mat foundation provides stability and strength to the building and is 10 feet thick at its deepest point. Approximately 13,690 cubic yards of concrete and 1,470 tons of high-strength ...

The concrete mat slab is divided into two parts, A and B. Section A was poured June 8 and section B was scheduled for the end of June. Sundt had to pour at night because of the lower temperatures ...

On top of the new mat slab, crews are installing 160 base isolators that will separate the foundation and the floor of the building. A deep moat — that won't be visible after it is covered ...

The complex support of excavation plan called for using rakers instead of tiebacks, with bracing provided by the 7-ft-thick reinforced concrete mat slab. This approach, though more efficient and ...