Last Updated：2025/11/28
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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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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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Related words
cross bore
Noun
Japanese Meaning
既存の地下インフラ（配管、電気設備、通信設備など）や地下構造物に、別のユーティリティが交差して侵入し、両者が直接接触することで、その機能や構造の整合性が損なわれる現象
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