Work is wrapping up on the widening of 21 miles of Brays Bayou in Houston, one of 75 individual project components of a $480-million cooperative project between the Harris County Flood Control District and the Corps of Engineers to reduce flooding in the watershed.
The International Federation of Consulting Engineers and the International Tunneling and Underground Space Association (ITA-AITES) launched a new set of contract documents specifically tailored to the challenges of underground works that involve geologic uncertainty, including tunneling and foundations.
Transportation infrastructure will need technology to help meet the needs of a growing urban population, and political will to fuel major projects and investor confidence.
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 independent panel reviewing the investigation of San Francisco’s troubled Salesforce Transit Center is tasked with both determining the cause of brittle fractures in two bottom flanges of twin built-up plate girders and assigning responsibility for the fractures, according to Ron Alameida, director of design and construction for the public owner, the Transbay Joint Powers Authority.
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