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FIA Welds 15 Las Vegas Manhole Covers After FP2 Red Flags as FP3 Runs Clean

Ground-effect forces at street circuits have previously disturbed covers, including a 2023 Las Vegas failure that damaged Carlos Sainz’s car.

Overview

  • Second practice was halted twice after a marshal reported movement from a cover near Turn 17, with the session ultimately timing out under red flags.
  • Overnight inspections found a fault in the cover’s closure mechanism, and the FIA welded that unit and reinforced 14 additional manhole assemblies.
  • Officials said the remedial work was completed before Friday’s running, and final practice proceeded without manhole-related stoppages.
  • Qualifying was scheduled for 8 p.m. local time following the repairs and circuit-wide checks.
  • Street hardware at temporary venues has failed under low-pressure ground-effect forces before, and Mercedes boss Toto Wolff defended the event against criticism.