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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Industrial Water Division
Last Updated September 12, 2019
Questions and answers regarding the preparation of design documents and technical materials
If you decide to answer questions on the homepage, we will answer from this page
| Response date | Contract number | Construction name | Answers |
|---|---|---|---|
| September 12, 2019 | 1952010256 | Industrial water supply Negishi Line diameter 600 mm to 800 mm Water pipe replacement work (Part 5) | |
| September 2, 2019 | 1952010240 | Industrial water Eastern Hokkaido Terao Water Supply Main Line Renewal of 1100 mm in diameter (Part 1) | Answer sheet on design documents (PDF: 491KB) |
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For inquiries to this page
Water Works Bureau Industrial Water Division
Phone: 045-954-3331
Phone: 045-954-3331
Fax: 045-953-4274
Email address: su-kogyoyosui@city.yokohama.jp
Page ID: 239-548-453
