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JICOSH Home > Laws > Ordinance on Safety of Boilers and Pressure Vessels

Ordinance on Safety of Boilers and Pressure Vessels

Ministry of Labour Ordinance No.33 of September 30, 1972
Latest Amendments:
Ministry of Health, Labour and Welfare Ordinance No. 171 of July 16, 2001

In Japanese


Chapter VI. License


Section 1. License of Special Class Boiler Operator, License of First Class Boiler Operator and License of Second Class Boiler Operator


(Persons Qualified for the License)

Article 97. The license prescribed in the following items shall be granted for the persons described in the respective items by the Director General of the Prefectural Labour Bureau:

(1) License of special class boiler operator: Persons who have passed the license examination for special class boiler operators.

(2) License of first class boiler operator: Persons who have passed the license examination for first class boiler operators.

(3) License of second class boiler operator:

a) Persons who have passed the license examination for second class boiler operators.

b) Persons who have completed the boiler operating training course under the training program for equipment management and operation specified in the "training course" column of Attached Table 2 of the Enforcement Ordinance (Ministry of Labour Ordinance No.24 of 1969) for the Vocational Skills Development Law (Law No.64 of 1969) or the boiler operating training course specified in the "training course" column of Attached Table 4 of the said ordinance (not including any training course provided by correspondence), among the ordinary vocational training courses which are standard training prescribed in Paragraph 1 of Article 27 of the said Law.

c) Besides the persons described in a) or b), persons specified by the Minister of Health, Labour and Welfare.

(Disqualification for the License)

Article 98. Persons described in the respective items of the preceding Article and specified by the Ministry of Health, Labour and Welfare Ordinance based on the provision of item 2 paragraph 2 of Article 72 of the Law shall be the persons who are under eighteen years of age.


(Person Designated by the Ministry of Health, Labour and Welfare Ordinance based on the Provision of Paragraph 3 of Article 72 of the Law)

Article 98-2. A person designated under the provisions of the Ministry of Health, Labour and Welfare Ordinance based on paragraph 3 of Article 72 of the Law related to the license as described in each item of Article 97 shall be those who can not confirm appropriately the necessary operation or the operating conditions of the boiler in carrying out the work relating to the said license due to the mental or physical function disorder.


(Consideration of Measures, etc., to Cover Handicap)

Article 98-3. In case the applicant for the license described in each item of Article 97 shall be the person described in preceding provisions, when the Director General of the Prefectural Labour Bureau decides to grant a license or not, he shall consider that the disorder is covered and the level of disorder is mitigated by the measures and treatments to cover the handicap.


(License with Reservation)

Article 99. The Director General of the Prefectural Labour Bureau may grant a license described in the respective items of Article 97 to a handicapped person with the limitations of boiler type which he is able to operate and other necessary reservations concerning the operation.


Article 100. Deleted.


(Qualification for Taking the License Examination)

Article 101. With regard to the license examinations described in the following items, nobody except those who are mentioned in the respective items can receive these license examinations:

(1) License examination for special class boiler operator.

a) Persons who have experience in the operation of boilers (excluding the boilers described in a) to d) of item 16 of Article 6 of the Cabinet Order and the small-sized boilers, hereinafter the same in this Article) for at least five years after the receiving of a license of first class boiler operator, or persons who have experience as an operations chief of boilers for at least three years after the receiving of the said license.

b) Persons who have majored in the course or subject concerning boilers at a university or college accredited under the School Education Law (Law No.26 of 1947) (including universities and colleges as accredited under the former University/College Order (Imperial Order No.388 of l918, hereinafter the same), or a technical college accredited under the same Law (including those under the former Technical College Order (Imperial Order No.61 of 1903, hereinafter the same) and graduated therefrom, and those who have experience in the operation of boilers for at least two years thereafter.

c) Besides the persons described in a) or b), persons specified by the Minister of Health, Labour and Welfare.
(2) License examination for first class boiler operator.

a) Persons who have experience in the operation of boilers for at least two years after the receiving of a license of second class boiler operator or persons who have experience as an operations chief of boilers for at least one year after the receiving of the said license.

b) Persons who have majored in a subject concerning boilers at a university, college, technical college or high school accredited under the School Education Law (including practical schools accredited under the former Secondary School Ordinance (Imperial Order No.36 of 1943, hereinafter the same) and graduated therefrom, and those who have completed practical training on operation of boilers at a school as same level as a high school for a period of one year or more.

c) Besides the persons described in a) or b), persons specified by the Minister of Health, Labour and Welfare.
(3) License examination for second class boiler operator.

a) Persons who have majored in a subject concerning boilers at a university, college, technical college or senior high school accredited under the School Education Law and graduated therefrom, and those who have completed practical training on operation of boilers for a period of three months or more.

b) Persons who have completed practical training on operation of boilers for a period of six months or more.

c) Persons who have completed a skill training course of the operation of boilers conducted by the Director General of the Prefectural Labour Bureau or designated training institution (designated training institution shall be defined as the one which is specified by paragraph 2 of Article 77 of the Law), and those who have experience in the operation of boilers described in a) to d) of item 16 of Article 6 of the Cabinet Order at least four months.

d) Besides the persons described in a) through c), persons specified by the Minister of Health, Labour and Welfare.

(Subjects of Examination in the License Examination)

Article 102. The license examination described in each item of the preceding Article shall be conducted in term of the following subjects with a written test:

(1) Knowledge of the construction of boilers.

(2) Knowledge of the operation of boilers.

(3) Knowledge of fuel and combustion.

(4) Related laws and ordinances.


(Exemption from Certain Subjects of Examination)

Article 102-2. The Director General of the Prefectural Labour Bureau may, when conducting the special class boiler operator license examination, grant an exemption to those persons who have already undergone an examination in the subjects set forth in the relevant items of the preceding Article and attained qualifying marks in some subjects for those subjects in which they gained the qualifying marks in the previous examination (limited to persons retaking a license examination within two years from the first day of the month immediately following the one in which the examinations in which they attained a qualifying mark was held).


(Details of License Examination)

Article 103. Such details necessary for implementing the license examinations as described in the respective items of Article 101, other than those as prescribed by Article 71 of the Safety and Health Ordinance and the preceding three Articles, shall be set forth by the Minister of Health, Labour and Welfare.



Section 2. License of Special Class Boiler Welder and License of Ordinary Class Boiler Welder


(Persons Qualified for the License)

Article 104. The license of special class boiler welder and the license of ordinary class boiler welder shall be granted to persons who have passed the license examination for special class boiler welders, or those who have passed the license examination for ordinary class boiler welders or those who have been exempted from all subjects of the written test and all of the practical test in the license examination for ordinary class boiler welders under the provision of Article 111 by the Director General of the Prefectural Labour Bureau, respectively.


(Disqualification for the License)

Article 105. Persons described by the Ministry of Health, Labour and Welfare Ordinance based on the provision of item 2 of paragraph 2 of Article 72 of the Law relating to the license of special class boiler welder and the license of ordinary class boiler welder shall be the persons who are under eighteen years of age.


(Person Designated by the Ministry of Health, Labour and Welfare Ordinance based on the Provision of Paragraph 3 of Article 72 of the Law)

Article 105-2. Persons designated by the Ministry of Health, Labour and Welfare Ordinance based on the provision of paragraph 3 of Article 72 of the Law relating to the license of special class boiler welder and the license of ordinary class boiler welder shall be the persons who can not operate appropriately the necessary welding equipment in carrying out the work relating to the license due to the mental or physical function disorder.


(Consideration of Measures, etc., to Cover Handicap)

Article 105-3. In case the applicant for the license of special class boiler welder or ordinary class boiler welder shall be the person described in preceding provisions, when the Director General of the Prefectural Labour Bureau decides to grant a license or not, he shall consider that the disorder is covered and the level of disorder is mitigated by the measures and treatments to cover the handicap.


(License with Reservation)

Article 106. The Director General of the Prefectural Labour Bureau may grant a license of special class boiler welder or a license of ordinary class boiler welder to a handicapped person suffering mental or physical function disorder with the limitation of operations he is able to perform and the necessary reservations concerning the operation.


(Validity Term of License)

Article 107. The validity term of the license of special class boiler welder and the license of ordinary class boiler welder shall be two years.

2. The Director General of the Prefectural Labour Bureau shall not renew the validity term of such license except in the case where the special class boiler welder or the ordinary class boiler welder (hereinafter referred to as the "boiler welder?h in this Article) has welded a boiler or boilers and/or a first class pressure vessel or vessels within one year of the end of the term of validity of his or her license and all the boilers or first class pressure vessels welded by the boiler welder in the validity term of the said license have passed the welding inspection as provided for by paragraph 2 of Article 7 or paragraph 2 of Article 53 or the alteration inspection as provided for by paragraph 2 of Article 42 or paragraph 2 of Article 77, and the case where the skill of the boiler welder is considered as not decreasing.

3. Any person who intends to renew his or her license of special class boiler welder or of ordinary class boiler welder shall submit an Application for Renewal of License (Form No.12 under the Safety and Health Ordinance) within the validity term of the said license to the Director General of the Prefectural Labour Bureau who has granted the said license or who has jurisdiction over the district in which such person's residence is located.


Article 108. Deleted.


(Qualification for Taking the License Examination)

Article 109. With regard to a license examination for special class boiler welders, no person except those who have experience in the welding operation of boilers or first class pressure vessels for at least one year after the receiving of a license of ordinary class boiler welder can take this license examination.

2. Those other than persons who have experience in the welding operation at least one year can not take a license examination for ordinary class boiler welders.


(Subjects of Examination in the License Examination)

Article 110. The license examination for special class boiler welders and the license examination for ordinary class boiler welders shall be conducted with a written test and practical test, and the practical test shall be implemented for the persons who have passed the written test.

2. The written test shall be conducted in term of the following subjects:

(1) Knowledge of the construction of boilers, and materials used for boilers.

(2) Workmanship and methods of repairs of boilers.

(3) Knowledge of the outline of welding procedures.

(4) Knowledge of the outline of electrodes and properties of welded parts.

(5) Knowledge of the outline of inspection methods for welded parts.

(6) Knowledge of the operation of welding machines and related equipment.

(7) Knowledge of safe welding operations.

(8) Related laws and ordinances.

3. Practical test shall be conducted with a butt welding.


(Exemption of Subjects of Examination)

Article 111. The Director General of the Prefectural Labour Bureau shall exempt the subjects of examination shown in the right column of the following table for the persons shown in the middle column of the same table according to the classification of the license examination shown in the left column of the same table.

Classification of license examination Persons exempted from subject of examination Subjects of Examination to be exempted
License
Examination
for special
class boiler
welders
(1) Persons who have passed the written test in the last license examination for special class boiler welders conducted by the Director General of the Prefectural Labour Bureau who intends to conduct the license examination concerned.
(2) Persons who have passed the written test in the license examination for special class boiler welders conducted by the designated testing institution (designated testing institution shall be defined as that which is specified by the provision of paragraph 1 of Article 75-2 of the Law, hereinafter the same) which intends to implement the said license examination, and for which no more than one year has passed since the date of the said written test.
(3) Persons who had the license of special class boiler welder, and for whom two years have not passed after the expiration of the validity term of the said license.
All subjects in the the written test
License
Examination
of ordinary
class boiler
welders
(1) Persons who have passed the written test in the last license examination for ordinary class boiler welders conducted by the Director General of the Prefectural Labour Bureau who intends to conduct the license examination concerned.
(2) Persons who have passed the written test in the license examination for ordinary class boiler welders conducted by the designated testing institution which intends to conduct the license examination concerned, and for which no more than one year has passed since the date of the said written test.
(3) Persons who had the license of ordinary class boiler welder, and for whom two years have not passed after the expiration of the validity term of the said license.
All subjects in the the written test
(1) Persons who have passed the welding skill test in category A of first class, category A of second class, category B of first class, category B of second class, or category D of first class, as provided for by Section 3 of Chapter 25 of the Construction Rules of Steel Vessels (Ministry of Communication Ordinance No.24 of 1940).
(2) Persons who have been considered as having the same or more ability regarding butt welding compared with the persons described in the preceding item by the Director General of the Prefectural Labour Bureau.
All of the practical test


(Details of License Examination)

Article 112. Such details necessary for implementing a license examination for special class boiler welders and a license examination for ordinary class boiler welders, besides those prescribed by Article 71 of the Safety and Health Ordinance and the preceding three Articles shall be set forth by the Minister of Health, Labour and Welfare.


Section 3. License of Boiler Maintenance Worker


(Persons Qualified for the License)

Article 113. The license of boiler maintenance worker shall be granted to the persons who have passed the license examination for boiler maintenance workers by the Director General of the Prefectural Labour Bureau.


(Disqualification for the License)

Article 114. Persons described by the Ministry of Health, Labour and Welfare Ordinance based on the provision of item 2 of paragraph 2 of Article 72 of the Law relating to the license of boiler maintenance worker shall be the persons who are under eighteen years of age.


(Person Designated by the Ministry of Health, Labour and Welfare Ordinance based on the Provision of Paragraph 3 of Article 72 of the Law)

Article 114-2. Persons described by the Ministry of Health, Labour and Welfare Ordinance based on the provision of paragraph 3 of Article 72 of the Law relating to the license of boiler maintenance worker shall be the persons who can not conduct appropriately cleaning of the boiler or disassembling of the fittings etc., in carrying out the work relating to the license due to the mental or physical function disorder.


(Consideration of Measures, etc., to Cover Handicap)

Article 114-3. In case the applicant for the license of boiler maintenance worker shall be the person who described in preceding provisions, when the Director General of the Prefectural Labour Bureau decides to grant a license or not, he shall consider that the disorder is covered and the level of disorder is mitigated by the measures and treatments to cover the handicap.


(License with Reservation)

Article 114-4. The Director General of the Prefectural Labour Bureau may grant a license of boiler maintenance worker to a person suffering from mental or physical function disorder with the limitation of operations he is able to perform and other necessary reservations concerning the operation.


(Qualification for Taking the License Examination)

Article 115. Those other than the following persons can not receive the license examination for boiler maintenance workers:

(1) Persons who have experience in a supplementary operation for the work described by item 5 of Article 20 of the Cabinet Order at least six months.

(2) Persons who have experience in maintenance work of boilers (those which are specified by a) to d) of item 16 of Article 6 of the Cabinet Order, but excluding small-sized boilers) or maintenance work of first class pressure vessels (those which are specified by a) or b) of item 17 of the same Article, but excluding small-sized pressure vessels) at least six months.

(3) Those who meet the provisions in (b) of item 3 of Article 97.


(Subjects of Examination in the License Examination)

Article 116. The licensee examination for boiler maintenance workers shall be conducted in term of the following subjects with a written test.

(1) Knowledge of boilers and first class pressure vessels.

(2) Knowledge of maintenance work of boilers and first class pressure vessels.

(3) Knowledge of equipment, tools, chemicals, etc., used for maintenance work of boilers and first class pressure vessels.

(4) Related laws and ordinances.


(Exemption of Subjects of Examination)

Article 117. The Director General of the Prefectural Labour Bureau may exempt the subjects of examination described in item 1 of the preceding Article for boiler operators and the persons specified in b) of item 3 of Article 97.


(Details of License Examination)

Article 118. Such details necessary for implementing a license examination for boiler maintenance workers, besides those prescribed by Article 71 of the Safety and Health Ordinance and the preceding three Articles shall be set forth by the Minister of Health, Labour and Welfare.


Section 4. License of Operations Chief of Work Handling Specified First Class Pressure Vessels


Article 119. The license of operations chief of work handling specified first class pressure vessels shall be granted to the following persons by the Director General of the Prefectural Labour Bureau:

(1) Persons who have received a license of first class boiler turbine chief engineer under item 6 of paragraph 1 of Article 44 of the Electric Utility Law or a license of second class boiler turbine chief engineer as set forth by item 7 of the same paragraph.

(2) Persons who have received a license of manufacturing safety officer or a license of sales supervisor as set forth by paragraph 1 of Article 29 of the High Pressure Gas Safety Law.

(3) Persons who have received a license of gas chief engineer as set forth by paragraph 1 of Article 32 of the Gas Utility Law.

2. Cases related to the license of operations chief of work handling specified first class pressure vessels as provided for by the Ministry of Health, Labour and Welfare Ordinance based on the provision of item 5 of paragraph 2 of Article 74 of the Law shall be the cases when the persons described in the respective item of the preceding paragraph were ordered to return the said license by the Minister of Economy, Trade and Industry or the Prefectural Governor under the provision of paragraph 4 of Article 44 of the Electric Utility Law, Article 30 of the High Pressure Gas Safety Law or Article 33 of the Gas Utility Law, as well as the cases specified by Article 66 of the Safety and Health Ordinance.


INDEX
I / II / III / IV
V / VI / VII / VIII


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