For inquiries regarding water supply, please contact the Water Works Bureau Customer Service Center.
Water Works Bureau Customer Service Center
Telephone: 045-847-6262 Fax: 045-848-4281
※Please be careful not to make a mistake.
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Standard specifications for water works with a diameter of 75 mm or more
Last Updated December 11, 2024
Name | Download |
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Water Works Standard Specifications | Old standards |
Water Works Bureau Customer Service Center
Telephone: 045-847-6262 Fax: 045-848-4281
※Please be careful not to make a mistake.
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Water Works Bureau Facility Department Technical Management Division
Telephone: 045-331-6600
Telephone: 045-331-6600
Fax: 045-332-5476
Email address: su-gijutsukanri@city.yokohama.lg.jp
Page ID: 911-846-326