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Iztapalapa Sinkhole Repairs Reach 40% Completion in Colonia Renovación

Round-the-clock crews work with heavy machinery to stabilize a ruptured 2.44-meter collector.

Overview

  • Segiagua reports overall progress at about 40% after completing the ademe and beginning repairs on the 2.44-meter drain line.
  • The cavity at Calle 4 and Avenida 5 measures roughly 10 meters in diameter, about 8 meters deep and 12 meters long, linked by authorities to a duct rupture from differential subsidence.
  • Workers are draining the collector to evaluate its condition and decide between replacement or repair of the damaged segment.
  • Two flow diversions are planned, one along Eje 6 to relieve the line and another at a collector box two blocks from the site.
  • Reinforcement sleeves coated with fiberglass and polymer are being installed, with 50 personnel operating 24/7 using excavators and cranes as authorities urge residents to avoid the perimeter.