About authorization of plan of earthquake-resistant repair of building

In Yokohama-shi, we authorize "plan of earthquake-resistant repair of building" based on law (hereinafter, "law") about promotion of earthquake-resistant repair of building" based on Article 17 Clause 3 of law. If you are certified, there are relaxation of the provisions of the Building Standards Law and special measures. In addition, in order to receive certification, a third party's evaluation is required for the seismic retrofitting plan.

Buildings that are undergoing seismic retrofitting

When the plan is approved as conforming to the standards listed in Article 17, Paragraph 3, Item 1, Items 2 and 3 of the Seismic Retrofit Promotion Act

In the case of extension, renovation, large-scale repair, or large-scale remodeling, existing ineligible items other than seismic regulations will not be applied retrospectively.

When the plan is approved as conforming to the standards listed in Article 17, Paragraph 3, Item 1, Items 2 and 4 of the Seismic Retrofit Promotion Act

In the case of new pillars and walls or remodeling of pillars and beams, the provisions of the Building Standards Law pertaining to fire-resistant buildings are not subject to application.

When the plan is approved as conforming to the standards listed in Article 17, Paragraph 3, Item 1, Items 2 and 5 of the Seismic Retrofit Promotion Act

At the time of extension, it is not subject to the provisions of the Building Standards Law pertaining to floor area ratio

When the plan is approved as conforming to the standards listed in Article 17, Paragraph 3, Item 1, Items 2 and 6 of the Seismic Retrofit Promotion Act

At the time of extension, the provisions of the Building Standards Law pertaining to the building coverage ratio will not be applied.

※If the plan for the seismic retrofit requires a building confirmation or notification of the plan, if the plan is approved, it will be deemed that there was a certificate of confirmation.

First of all, please consult with us. We will inform you about the documents required for certification.

After that, please attach required documents to the certification application form and submit it to the Building Disaster Prevention Section.

• Certification Application Procedure Flow (PDF: 214KB)

• Prior consultation vote (word: 26KB)　(Pre-consultation is required before applying.)
• Certification application style (word: 25KB)
• No. 6 style (word: 13KB)　(Attachment is required for wooden construction.)
• Certification Application Outline Form (word: 23KB)
• Summary style set (word: 29KB)

Free of charge

• Law (outside site) about promotion of earthquake-resistant repair of building
• Law enforcement regulations (outside site) about promotion of earthquake-resistant repair of building
• Law enforcement detailed regulations (PDF: 185KB) about promotion of earthquake-resistant repair of Yokohama-shi building
• Law Enforcement Detailed Regulations Handling Guidelines for Promotion of Seismic Retrofitting of Yokohama City Buildings (PDF: 189KB)
• Summary (PDF: 296KB) about authorization of plan based on law Article 17 about promotion of earthquake-resistant repair of Yokohama-shi building (PDF: 296KB)