For inquiries regarding water supply, please contact the Water Works Bureau Customer Service Center.
Water Works Bureau Customer Service Center
Phone: 045-847-6262 Fax: 045-848-4281
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- Water Works Standard Specifications
Here's the text.
Water Works Standard Specifications
Standard specifications mainly for water supply works with a diameter of 75 mm or more
Last Updated October 22, 2021
Water Works Standard Specifications
| Name | Download |
|---|---|
| Water Works Standard Specifications | Old Criteria |
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For inquiries to this page
Water Works Bureau Facility Dept. Technical Management Division
Phone: 045-331-6600
Phone: 045-331-6600
Fax: 045-332-5476
Email address: su-gijutsukanri@city.yokohama.jp
Page ID: 911-846-326
