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Request to prevent damage to sewage sludge pipes
Last Updated May 21, 2024
Construction under the ground (boring, drilling, pile driving, medicine injection, etc.)
Request for "Prevention of sewage sludge pipe damage due to excavation and boring work" (PDF: 286KB)
When drilling, boring, etc. on a road where sewage sludge pipes are buried, contact the applicable sewerage center and ask for prior consultation.
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Inquiries to this page
Sewer River Bureau Sewerage Facilities Department Facility Management Section
Telephone: 045-671-3965・3966
Telephone: 045-671-3965・3966
Fax: 045-641-4870
Email address: gk-shisetsukanri@city.yokohama.jp
Page ID: 918-672-479
