After decades of competition, two major players in the modular pre-engineered bridge business have joined forces. 

Two environmental groups are calling on the Environmental Protection Agency to regulate and require the cleanup of per- and polyfluoroalkyl substances (PFAS) and list them as hazardous substances under the Clean Air Act, the Clean Water Act and the Comprehensive Environmental Response, Compensation, and Liability Act.

The U.S. Institute of Building Documentation (USIBD) has issued a guide for taking two-dimensional images for documentation, requests for proposals and requests for qualifications.

Under plea agreements, two one-time top executives of HAKS will sell stakes and could face jail.

In speech, House Speaker says advocates want to move on the plan and "build, build, build."

While the Environmental Protection Agency has proposed a clean up standard of 70 parts per trillion for some PFAS chemicals, the Environmental Working Group says a safe standard is 1 part per trillion.