Minnesota DOT Makes 25-Year Deal for ‘Solar Garden’ Energy
editor@aashto.org November 1, 2019 0 COMMENTSThe Minnesota Department of Transportation officially inaugurated two 25-year agreements October 25 to purchase a total of 7.4 million kilowatt-hours annually from 23 soon-to-be-built community “solar gardens” located throughout the state; equivalent to approximately 24 percent of the agency’s total annual electricity use. “The Minnesota Department of Transportation is pursuing solar energy to reduce greenhouse […]
READ MORE
Arizona DOT Deploys ‘Sliding’ Technique for Bridge Replacement Project
editor@aashto.org November 1, 2019 0 COMMENTSA technique that basically slides precast bridges into place helped significantly reduce traffic delays for an Arizona Department of Transportation project involving replacing bridges spanning Interstate 40 near Flagstaff, AZ. Arizona DOT’s project contractor proposed using the technique which reduced what is typically six to eight months of traffic impacts on Interstate 40 to a […]
READ MORE
AASHTO and NSBA Release New Steel Bridge Fabrication Guidelines
editor@aashto.org November 1, 2019 0 COMMENTSThe American Association of State Highway and Transportation Officials and the National Steel Bridge Alliance recently released a new set of guidelines for steel bridge fabrication. The Steel Bridge Fabrication QC/QA Guidelines, G4.1, supersede existing S4.1 guidelines and provide information complementary to applicable welding codes and American Institute of Steel Construction or AISC standards. They […]
READ MORE