Faulty Studs Led to Mexico City Metro Collapse, Attorney General Says

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MEXICO City — Poorly positioned studs, distinct design and style flaws and deficient welding led to a collapse in the capital’s metro procedure final spring that left 26 people dead and scores hurt, the lawyer normal for Mexico Metropolis claimed Thursday in releasing the benefits of a monthslong investigation.

The results, specific throughout a news convention, aligned with numerous of the conclusions of a New York Moments investigation, which found that weak installation of the steel studs was central to the lethal Might 3 incident.

The steel studs have been key to the full development, building a composite unit concerning steel beams and concrete slabs. Once the studs unsuccessful, the whole framework turned fatally weakened, inevitably primary to the collapse.

The studs “connecting the concrete slab with the metallic beams have been misplaced,” reported Ulises Lara López, spokesman for the legal professional general’s business. “In the sections in which the concrete slabs ended up detached from the beams, all the studs have been badly mounted at irregular styles.”

These kinds of elementary flaws, Mr. Lara said, could not have been uncovered by means of program inspection or prevented by way of regular upkeep.

In releasing her office’s results on Thursday, Legal professional Common Ernestina Godoy Ramos described the report as “a deep, critical, scientific investigation, carried out by authorities.”

An impartial report issued earlier this calendar year by the Norwegian hazard administration business DNV also uncovered severe construction glitches, which include with the placement and welding of steel studs. Mexico City’s federal government experienced employed DNV to look at the triggers of the crash.

The crash of the metro has established off political shock waves, implicating some of the most effective persons in Mexico, together with International Minister Marcelo Ebrard, who was the mayor of Mexico Metropolis when the line was constructed.

Mr. Ebrard and the latest mayor, Claudia Sheinbaum, are both expected to seek out the presidency in the 2024 election.

The metro part that collapsed was crafted by Carso Group, a huge conglomerate owned by a single of Mexico’s wealthiest and most powerful guys, Carlos Trim, a near ally of President Andrés Manuel López Obrador. (Mr. Slim was also when a large shareholder of The New York Moments Enterprise.)

Ms. Godoy reported her office would initiate felony proceedings versus individuals deemed dependable for the collapse, despite the fact that she did not determine any unique. “Just as our mandate is justice, our priority has been and will go on to be the victims,” she said.