Oroville – Kiewit Infrastructure West Co. said on Wednesday that construction of the underground wall below the Oroville Dam emergency spillway completed in early March. The 1,450 feet long wall, ...

Workers laser-focused on prepping a hemmed-in Seattle site for redevelopment aren’t paying attention to the project’s 850-ft-tall centerpiece—Rainier Square Tower. They may not even know that RST’s ...

The contract is to construct a secant pile wall designed for ground retention and stabilization of the existing Montgomery dam prior to building a new lock chamber at the facility. “We are excited for ...