Online Application for Johkasou Installation Worker Exam
○"How to take the exam and pay the tuition fee online"Please check here.
○"Regarding documents required when applying for the Johkasou Installation Worker exam"Please check here.
〇For "Online application flow", please see below.Corresponding to the qualifications and application classification for the equipment engineer examination.
Please check the online application process below before applying.
[For the equipment engineer examination, the application category will change depending on the qualifications [A], [B], and [C] below. ]
*For details, please check the contents of "3. Eligibility for Examination" posted on this page.
A. Academic background and required years of work experience
C. 1st grade or 2nd grade piping of the skills test under the Vocational Ability Development Promotion Act (former Vocational Training Act)
(Architectural piping work)
1. Test date and time
Sunday, July 12, 2026, from 12:30 PM to 5:10 PM
(Academic: 12:30-15:30 Practical: 16:10-17:10)
2. Test Site
Miyagi Prefecture/Tokyo Metropolitan Area/Aichi Prefecture/Osaka Prefecture/Fukuoka Prefecture
3. Testing Requirements
(Those who fall under any of the following A, B, or C)
A. Educational background and required years of work experience (calculated as of Reiwa 8/3/31)
Educational History | Years of work experience | |
Designated department | Other than designated department | |
After graduating from university After graduating from a vocational school "advanced diploma" | More than 1 years | 1 year and 6 months or more |
After graduating from junior college After graduating from a college of technology (5 years) After completing the first semester of a professional university After graduating from a vocational school | More than 2 years | More than 3 years |
After graduating from high school After graduating from a vocational school (Other than "Advanced Diploma" and "Diploma") | More than 3 years | 4 year and 6 months or more |
Others (regardless of educational background) | More than 8 years | |
(Note)
- “Designated department” means a department (civil engineering, urban engineering, sanitary engineering, electrical engineering, mechanical engineering or architecture) specified by a ministerial ordinance and a department recognized as being equivalent thereto.At the time of application, applicants are required to submit a certificate of graduation from the last educational background that is directly related to their eligibility to take the entrance examination.
- “Work experience” refers to on-site construction experience in “johkasou installation work or construction to change its structure or scale”, and sales, design, operation and maintenance, cleaning, guidance, education, research, etc. of johkasou I will not enter.
- To apply for "work experience," certification from the representative of your current company (someone with personnel authority) is required. For work experience at previous companies, certification from the representative of your current company is also acceptable. If the applicant is the representative, self-certification is acceptable. In this case, please enter "Self" in the [Relationship to Certifier] field on the application form.
The details of the "designated department" will be the same as the plumbing construction management technology test. [If applying with an overseas educational background] ◯If you are planning to apply with an overseas educational backgroundCLICK HEREPlease check the details. If you wish to apply with an overseas educational background, you will need to apply in advance by the specified deadline, as there are separate procedures to follow. |
B. A person who has passed the 1st or 2nd grade plumbing construction management technology test under the Construction Business Act
*Those who have passed the technical examination refer to those who have passed the second examination (piping construction management engineer), and do not include those who have passed the first examination (piping construction management engineer assistant).
C.Those who have passed a skill test based on the Vocational Ability Development Promotion Law (former Vocational Training Law) with a class 1 or class 2 plumber (construction plumbing work).
However, for those who have passed the 16nd grade plumbing (building plumbing work) since 2, those who have more than 4 years of practical experience in the same category
*Including "air conditioning equipment plumbing", "plumbing plumbing plumbing" or "plumber" under the Vocational Training Act Enforcement Ordinance before revision
4. Exam Fee
31,700 yen *Tax-free transaction
*The receipt will be sent via email along with your exam admission ticket at a later date, after your application has been fully accepted.
5. How to apply for the exam
Online applications will be accepted.
When the application period begins, the application form will be displayed.
6. Reception period
From Wednesday, April 1, 2026 to Wednesday, May 20, 2026
*The examination ticket will be sent via email around Monday, June 22nd, after your application has been fully processed.
7. Exam Information
Contact
Japan Education Center of Environmental Sanitation
130-0024 Sumida-ku, Kikugawa 2-23-3
Tel: 03-3635-4881

