The Occupational Safety and Health Administration says it will release a final rule that will streamline its safety standards and reduce employers’ paperwork. The changes, announced on May 26, are in step with a presidential executive order issued in January requiring federal agencies to simplify regulations and ease burdens on companies. The new regulation includes changes to OSHA’s existing respiratory-protection standard and deletes several requirements for companies to transmit exposure and medical records to the National Institute for Occupational Safety and Health. OSHA estimates the rule will save companies more than $43 million a year and trim the number of
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.