Norway-based solar energy manufacturer NorSun will spend $620 million to build its first U.S.-based factory—a 5-GW facility in Tulsa, Okla., that will produce silicon ingots and wafers for solar cells and panels.
Design-construction team makes use of collective innovation to transform a 30+-year-old former department store into a new home for Tulsa's professional ice hockey team.
Solutions on this fast-track mixed-use project in Tulsa include a two-crane hoisting plan, threaded rebar couplers and temporary construction strategies.
Oklahoma transportation officials will seek private-sector assistance to close the last gap in the Gilcrease Expressway, a highway that loops around downtown Tulsa.