About the submitted documents and each inspection after the building confirmation

• Scale of inspection conducted by the Structure Section: It is thing which does not receive authorization in building more than the second floor or more or 200m2.
• About interim inspection and completion inspection of wooden constructionSupervisorIt will be the page.

• 2 weeks before construction start
• 1 week before construction starts
• Intermediate inspection process
• Reservation method for intermediate inspection
• Submission of an interim inspection application
• Attached to the application form
• Documents to be submitted at the time of interim inspection
• Points of Interim Inspection

• If you pass the intermediate inspection
• If the interim inspection is not passed
• Issuance of interim inspection pass
• One week prior to completion inspection
• Submission of Completion Inspection Application
• Documents to be submitted at the time of completion inspection
• Report on test results of building materials

Confirmation application

Certificate of Confirmed
<2 weeks before construction start>
At least two weeks before the start of construction, the builder must submit a copy of a document certifying that the construction has supervised the construction and underwritten the construction work (e.g.： Please attach and submit a contract for construction supervision work and construction work).
However, in the case of direct-managed work by the architect, it is not necessary to submit attached documents.

<1 week before construction start>

When the builder performs the following construction plan (Yokohama City Building Standard Law Enforcement Detailed Regulations, Article 17-3 of the Yokohama City Building Standard Law Enforcement Detailed Regulations (hereinafter referred to as ") Please submit).

• Root cutting work with a height of more than 3m
  Outline of construction plan for mountain retaining work
• Root cutting work with a height of more than 5m
  Construction plan for mountain retaining work
  ※Details of the report on the mountain retaining workHere
• Construction of buildings with 3 floors or more or floor area of 500 m2 or more
  Steel frame construction work plan

Construction started
<Intermediate inspection process>
Interim inspection is performed twice when the foundation reinforcement is completed and the bonding of the frame is completed. Please refer to the page on the interim inspection process for the timing of the intermediate inspection.

<Reservation method for intermediate inspection>
Please make a reservation by phone at least one week before the interim inspection.
Building Guidance Division Structure Section - TEL: 045-671-4536
Date of inspection
Please note that if the inspection is crowded, you may not be able to make an appointment on the desired inspection date.
End of Specific Process

Interim inspection application
<Submission of Interim Inspection Application>
Please submit an intermediate inspection application (from 1 to 4) from 4 days before the scheduled inspection date to the day before.
The four pages can be omitted by submitting a report (construction supervision / construction work) report based on Article 12, Paragraph 5 of the Building Standards Law.
A fee will be charged for the inspection.
For details on how to calculate fees, please refer to the page on how to calculate the interim inspection fee.

<Attachment to the application form>

• Site guide map
• Instruction of the part to be inspected (if division, specify the inspection range.)

Interim inspection
<Documents to be submitted at the time of interim inspection>

• When foundational reinforcement is completed
  • (Construction supervision and construction work) report based on Article 12, Paragraph 5 of the Building Standards Act-Basic Process-
  • Report on pile construction results report
• When jointing of the frame is completed
  • (Construction supervision and construction work) report based on Article 12, Paragraph 5 of the Building Standards Act-Steel frame construction-
  • Steel frame construction results report(Limited to construction of buildings with 3 floors or more or a floor area of 500 m2 or more.)
    ※Reports up to the inspection parts

<Points of Interim Inspection>

• When foundational reinforcement is completed
  • Sites and Buildings
    The length of the site in contact with the road
    Arrangement of buildings
    Retreat distance from the road
  • Securing reinforcing bars
    Beam lower part of the beam
    Base top of the base, lower end
  • Position of reinforcing bar
    Spacing of main lines
    Position of medium-supplied reinforcing bar
  • Human hole, penetrating sleeve
    Vertical and horizontal positions
    Securing star lap around the sleeve
• When jointing of the frame is completed
  • Check the construction status of the pillar legs (a check sheet is required depending on the product).
  • Welding conditions
    Make sure that the welding has been performed properly.
  • Marking of High Power Bolt Marking
    During high-strength bolts, markings are performed after the primary tightening, and the marking deviation after the secondary tightening.
  • Construction status of synthetic decks
    Check the pitch of the baking plug welding and stud pitch to ensure fixedness. (Check sheet is required depending on the product.)

<If the intermediate inspection is passed>

If you pass the intermediate inspection, you can proceed to the following process.
However, this cannot be carried out until after receiving the intermediate inspection pass certificate. (Article 7-3 of the Building Standards Law)
In Yokohama-shi, we attach seal (see figure below) of conduct of intermediate inspection to building confirmation display boards at the end of inspection.

<If the interim inspection was not passed>
If you do not pass the intermediate inspection, you will not be able to proceed to the following process.
It is necessary to take necessary measures, such as re-inspection and reporting, and pass the intermediate inspection.
Issuance of interim inspection pass
<Issuance of Interim Inspection Pass Certificate>
The interim inspection pass certificate will be issued by the person in charge of construction.
Start of construction after a specific process
<One week prior to completion inspection>
Completion inspection will be conducted by the instructor.
Please make a reservation by phone at least one week before the completion inspection.
Building Guidance Division Guidance Section - TEL: 045-671-4531
Date of inspection in charge of guidance
Please note that if the inspection is crowded, you may not be able to make an appointment on the desired inspection date.
Completion of construction
<Submission of Completion Inspection Application Form>
Please submit a completion inspection application (from 1 to 4) from 7 days before the scheduled inspection date to the day before.
Entry entry on the four sides can be omitted by submitting a construction supervision and construction status report.
A fee will be charged for the inspection.
For the report attached to the Completion Inspection Application Form, please see Download the Report Form for Guidance.

<Documents to be submitted at the time of completion inspection>
Please submit the following report to the Structural Section before the completion inspection.

• Construction supervision and construction status report
• Steel frame construction results report(Limited to construction of buildings with 3 floors or more or a floor area of 500 m2 or more.)

<Report on test results of building materials>
The following reports may be submitted after each process is completed. (Article 17-5 of the Detailed Regulations)

• Concrete strength test report
• Test report of reinforcing bar welding part
• Welded ultrasonic detection test report
• Reinforcing bars and steel mill sheet
• Other Test Results Report
• Construction work photo

Completion inspection

Issuance of inspection certificate
All the tests have been done.
The inspection certificate will be issued by the instructor.