A gigantic sinkhole formed May 31 in Guatemala City during heavy rainfall from tropical storm Agatha, which killed at least 146 people in Central America. The hole, reportedly more than 200 ft deep, swallowed a three-story building and most of an intersection. A similar but smaller sinkhole last year in the same vicinity was blamed on faulty sewer lines. City residents speculate that faulty wastewater treatment infrastructure triggered the latest geotechnical breach. The tropical storm swept ashore two days after a volcanic eruption. The first torrent ashore from the Pacific Ocean this year, Agatha created mudslides throughout the region that
Despite a faltering international market, 2015 and the beginning of 2016 are proving to be strong years for U.S. contractors, with steady domestic growth and only moderate strain from workforce shortages.