Contractors on the $453-million superstructure erection portion of the $1.2-billion Huey P. Long Bridge widening project in New Orleans broke their own record when they lifted and skidded into place a 528-ft. long, 2,758-ton steel truss in 8.5 hours April 9. Photo: Angelle Bergeron The vertical, 102-ft lift of the 2,758-ton steel truss was accomplished in 4.5 hours. The strand jacks lifted an average of 23 ft per hour, as opposed to 17 ft per hour on the previous two lifts as contractors capitalized on experience. Photo: Angelle Bergeron Joint venture contractor MTI used four, 900-ton strand jacks to raise
The 2016 Summer Olympics boating and swimming events have put an international spotlight on what has been a long-running problem in Rio de Janeiro—untreated sewage and trash are clogging up major bays and waterways.