At 97 feet, IDX Tower’s excavation was one of Seattle’s deepest. Two shoring walls were required to support the YMCA building, which forms a “reentrant” corner on the site. The IDX Tower excavation ...

CONTRACTORS on the 635 Elliott office project estimated they shaved off $1 million and a month of work using a shoring method that's new to the United States. They used the cutter soil mix method, ...

Deep basements are becoming quite common in central business districts, downtown and prime high-rise developments where the land area is limited and costly. It is also common in cities which have ...