A structural engineering pioneer and innovator who has changed tall building design for more than 30 years, Robert Halvorson is ENR Midwest's 2020 Legacy Award winner.
EPA, Energy and Interior Dept. heads, once confirmed, and new White House advisers in boosted roles, will execute ramped-up climate-change mission, including Trump-era policy reversals.
Using 80-ksi steel in upper perimeter columns—a first in the U.S.—helped the design team reduce the steel by almost 20% at 320 S. Canal, a 51-floor office tower under construction in Chicago’s Loop.
Ready-mix concrete producers have long resisted adopting digitized delivery and verification processes, mostly due to regional producers coping with different rules and varying customer demands across so many jurisdictions.
MKA specifies new ArcelorMittal steel products to create larger upper-level spaces in the 51-story tower and deal with site issues near Chicago Union Station.
U.S. production facilities for COVID-19 vaccines nearing approval for Pfizer, Moderna and Johnson & Johnson are delivered by EPC contractors. But supply chain availability has been a tricky process.