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About construction system ledger, construction system diagram, notice of sign, etc.

Last Updated February 12, 2025

Information on construction system ledgers, construction system diagrams, signs, etc. in Yokohama-shi ordering work.
Due to the revision of the "Law Concerning the Promotion of Bidding for Public Works and the Adequacy of Contracts", when a contractor who has received an order for public works on or after April 1, 2015 concludes a subcontract contract, the construction system ledger regardless of the amount It is mandatory to make a copy and submit a copy to the ordering party (supervising department in Motoichi).

Revisions

Revision accompanying the partial revision of the Construction Business Law Enforcement Ordinance (enforced on February 1, 2025) (February 2025)

The example described has been revised in accordance with the change in the contract price required for full-time supervising technicians.

About construction system ledger, construction system diagram

Signs listed at construction sites

Reference style

・If you are not registered in the construction career advancement system, you do not need to enter the site ID, business ID, or technician ID.

※For the construction system diagram, submit either a tree diagram format or a table format.

Reference Materials

Obligation to post based on the Air Pollution Control Law


When performing demolition work based on the Air Pollution Control Law, it is necessary to post a preliminary survey result regardless of whether or not asbestos is present.
In addition, when removing asbestos, "Notice about work such as demolition of buildings" is required.

About notice of recycling resources use plan, recycling resources use promotion plan and confirmation result vote

With the revision of the Ordinance of the Effective Utilization of Resources, the city's ordering work was registered in the “Construction by-product Information Exchange System (hereinafter referred to as Cobris (COBRIS)”, and a plan for promoting the use and use of recycled resources and implementation. For the construction to create, it is necessary to post a recycling resource utilization plan, a recycling resource utilization promotion plan, and a confirmation result sheet.

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Inquiries to this page

Public Works Coordinating Division, Facility Management Promotion Department, Finance Bureau Facility Management Promotion Office

Telephone: 045-671-2025

Telephone: 045-671-2025

Fax: 045-651-7599

Email address: za-kjchosei@city.yokohama.jp

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Page ID: 250-383-140

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