Last Updated:2025/11/28

During the inspection, crews discovered a cross bore where a newly installed gas line had intersected an existing sewer pipe, creating a dangerous direct contact that compromised the integrity of both utilities.

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During the inspection, crews discovered a cross bore where a newly installed gas line had intersected an existing sewer pipe, creating a dangerous direct contact that compromised the integrity of both utilities.

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検査中、作業員は新たに敷設されたガス管が既存の下水管と交差して直接接触し、両方の埋設設備の構造を損なう危険な地下埋設物の交差貫通を発見しました。

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