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- Technical Standards and Technical Manual
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Technical Standards and Technical Manual
Last Updated January 28, 2025
| Name | Enactment | Outline of the revision | Remarks |
|---|---|---|---|
| April, 1977 | Due to the revision of the construction management standards of the Ministry of Land, Infrastructure, Transport and Tourism, the quality control of Lady Mixed Concrete has been changed. In addition, items related to rivers have been deleted due to organizational reform. | Old standards |
| April, 1987 | Along with the revision of the standard standard for civil engineering work, a part of "Calculation of earthwork quantity" in Chapter 1 has been revised. | Old standards |
| April, 2013 | The description has been changed in light of the simplification of construction documents and the flow of the review of the seal. | Old standards |
| April, 2009 | － | － | |
 Slimming guide for civil engineering work documents (PDF: 856KB) | February, 2025 | － | Role sharing table (Excel: 24KB) |
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Inquiries to this page
Road and Highway Bureau Planning and Coordination Department, Technical Management Division
Telephone: 045-671-3964
Telephone: 045-671-3964
Fax: 045-651-6527
Email address: do-gijutsukanri@city.yokohama.lg.jp
Page ID: 906-692-789
