MEXICO CITY — Risk management and auditing firm DNV has requested a two-week extension to complete a report on the fatal collapse of a Mexico City metro rail line in May.
Reuters reports the Norwegian firm said the follow-up report to an earlier document indicating a structural failure led to the accident is “the most complex phase of the collapse analysis,” and that additional international experts would be needed for “internal reviews.” The report had been due for release Monday.
Twenty-six people were killed when an elevated portion of the subway system’s Line 12 collapsed near the Olivos station on May 3 [see “At least 23 killed in Mexico City subway accident,” Trains News Wire, May 4, 2021].
An initial report from DNV said six flaws in the construction process led to the accident, noting the existence of inadequate bolts and deformed supports. The structure was built by a firm headed by Mexican billionaire Carlos Slim; Mexico’s president, Andres Manuel Lopez Obrador, has said the company, Grupo Carso, will repair the line at no cost to the government.
