Giant steel pipe suddenly rises from sewer construction site in Osaka
An unusual construction incident in Osaka, Japan, briefly disrupted traffic and drew public attention after a large steel pipe suddenly rose more than 10 meters above ground at an active sewer infrastructure project, Associated Press reported.
According to local officials, the 3.5-meter-diameter pipe was being used as a retaining structure at a sewer construction site where crews were connecting an existing sewer line to a new stormwater channel designed to manage excess rainfall and reduce flooding. Authorities said the pipe unexpectedly rose overnight, eventually reaching about 13 meters above ground.
City engineers believe the incident occurred after water was drained from the pipe, causing the empty steel structure to become buoyant and float upward through the surrounding soil. The unusual movement caused debris to fall from the structure and temporarily disrupted traffic in the busy area, Associated Press reported.
Emergency crews later stabilized the pipe by cutting an opening in the structure and injecting water to push it back into the ground. City officials said the remaining exposed section will be removed in the coming days as work continues on the sewer infrastructure project.
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