The directors of PCL Construction Group Inc. have asked shareholder employees to approve a plan to deregister their shares with the U.S. Securities and Exchange Commission. The change would remove the company’s financial performance from public view, following a similar change made by Peter Kiewit Sons Inc. in 2007. Related Links: If The Buildings Sector Slows, PCL Has Oil in the Backyard Kiewit Seeks To Terminate Public Financial Disclosure Officials of Edmonton, Canada-based PCL could not be reached for comment. According to documents filed with the SEC last month, PCL’s directors approved a plan to change certain aspects of the
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.