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Ordinance on Industrial Safety and Health
Ministry of Labour Ordinance No. 32 of September 30, 1972

Latest Amendments:
Ministry of Health, Labour and Welfare Ordinance No. 47 of March 30, 2007
In Japanese

Update : 2008.03.28

Appended Table 1 (Related to Article 16 and 17)
Division of Work Persons who are in possession of Qualification Name
Work set forth in item (i) of Article 6 of the Order. A person who is in possession of a license for operations chief of work in pressurized chamber. Operations chief of work in pressurized chamber.
Work set forth in item (ii) of Article 6 of the Order. A person who is in possession of a license for operations chief of gas welding. Operations chief of gas welding.
Work set forth in item (iii) of Article 6 of the Order. A person who is in possession of a license for operations chief of forestry cableway. Operations chief of forestry cableway.
Of the works set forth in item (iv) of Article 6 of the Order, work handling boilers with a total heating surface area exceeding 500 m2. (excluding the case of handling once-through boilers only.) A person who is in possession of special class boiler expert’s license. Operations chief of boiler.
Of the works set forth in item (iv) of Article 6 of the Order, work handling boilers with a total heating surface area of 25 m2 or more and 500 m2 or less. (including work handling only once-through boilers with a total heating surface area exceeding 500 m2.) A person who is in possession of special class or class-1 boiler expert’s license.
Of the works set forth in item (iv) of Article 6 of the Order, work handling boilers with a total heating surface area of less than 25 m2. A person who is in possession of special class, class-1 or class-2 boiler expert’s license.
Of the works set forth in item (iv) of Article 6 of the Order, work handling only boilers listed in (a) through (d) of item (xvi) of the same article 20 of the Order. A person who is in possession of special class, class-1 or class-2 boiler expert’s license or a person who has completed the skill training course for operation of boiler.
Work set forth in item (v) of Article 6 of the Order. A person who is in possession of a license for operations chief of radiography with X-rays. Operations chief of radiography with X- rays.
Work set forth in item (v)-2 of Article 6 of the Order. A person who is in possession of a license for operations chief of radiography with gamma-rays. Operations chief of radiography with gamma-rays.
Work set forth in item (vi) of Article 6 of the Order. A person who has completed the skill training course for operations chief of woodworking machine. Operations chief of woodworking machine
Work set forth in item (vii) of Article 6 of the Order. A person who has completed the skill training course for operations chief of press machine. Operations chief of press machine.
Work set forth in item (viii) of Article 6 of the Order. A person who has completed the skill training for operations chief of industrial dryer. Operations chief of industrial dryer.
Work set forth in item (viii)-2 of Article 6 of the Order. A person who has completed the skill training course for operations chief of concrete breaking. Operations chief of concrete breaking.
Work set forth in item (ix) of Article 6 of the Order. A person who has completed the skill training course for operations chief of excavating natural ground and shoring. Operations chief of excavating natural ground and shoring.
Work set forth in item (x) of Article 6 of the Order. A person who has completed the skill training course for operations chief of shoring. Operations chief of shoring.
Work set forth in item (x)-2 of Article 6 of the Order. A person who has completed the skill training course for operations chief of excavating tunnel, etc. Operations chief of excavating tunnel, etc.
Work set forth in item (x)-3 of Article 6 of the Order. A person who has completed the skill training course for operations chief of lining tunnel, etc. Operations chief of lining tunnel, etc.
Work set forth in item (xi) of Article 6 of the Order. A person who has completed the skill training course for operations chief of excavating for quarrying. Operations chief of excavating for quarrying.
Work set forth in item (xii) of Article 6 of the Order. A person who has completed the skill training course for operations chief of cargo piling. Operations chief of cargo piling.
Work set forth in item (xiii) of Article 6 of the Order. A person who has completed the skill training course for operations chief of stevedore. Operations chief of stevedore.
Work set forth in item (xiv) of Article 6 of the Order. A person who has completed the skill training course for operations chief of assembling, etc., of concrete form shoring (construction). Operations chief of assembling, etc., of concrete form shoring (construction).
Work set forth in item (xv) of Article 6 of the Order. A person who has completed the skill training course for operations chief of assembling, etc., of scaffolding. Operations chief of assembling, etc., of scaffolding.
Work set forth in item (xv)-2 of Article 6 of the Order. A person who has completed the skill training course for operations chief of erection, etc., of steel structure. Operations chief of erection, etc., of steel structure.
Work set forth in item (xv)-3 of Article 6 of the Order. A person who has completed the skill training course for operations chief of installing, etc., of steel bridge. Operations chief of installing, etc., of steel bridge.
Work set forth in item (xv)-4 of Article 6 of the Order. A person who has completed the skill training course for operations chief of erection, etc., of wooden building. Operations chief of erection, etc., of wooden building.
Work set forth in item (xv)-5 of Article 6 of the Order. A person who has completed the skill training course for operations chief of demolishing, etc., of concrete structure. Operations chief of demolishing, etc., of concrete structure.
Work set forth in item (xvi) of Article 6 of the Order. A person who has completed the skill training course for operations chief of installing, etc., of concrete bridge. Operations chief of installing, etc., of concrete bridge.
Of the works set forth in item (xvii) of Article 6 of the Order, work use class-1 pressure vessels pertaining to chemical facilities. A person who has completed the skill training course for operations chief of use of class-1 pressure vessel relating to chemical facilities. Operations chief of use of class-1 pressure vessel.
Of the works set forth in item (xvii) of Article 6 of the Order, work other than those use chemical class-1 pressure vessels pertaining to the chemical facilities. A person who is in possession of a special class, class-1 or class-2 boiler expert’s license, or A person who has completed the skill training course for operations chief of use of class-1 pressure vessel relating to chemical facilities or of use of ordinary class-1 pressure vessel.
Work set forth in item (xviii) of Article 6 of the Order. A person who has completed the skill training course for operations chief of specified chemical substances and tetra alkyl lead, etc. Operations chief of specified chemical substances.
Work set forth in item (xix) of Article 6 of the Order. A person who has completed the skill training course for operations chief of lead. Operations chief of lead.
Work set forth in item (xx) of Article 6 of the Order. A person who has completed the skill training course for operations chief of specified chemical substances and tetra alkyl lead, etc. Operations chief of tetra alkyl lead, etc.
Of the works set forth in item (xxi) of Article 6 of the Order, work other than those listed in the following column A person who has completed the skill training course for operations chief of oxygen deficient danger or operations chief of oxygen deficient/hydrogen sulfide danger. Operations chief of oxygen deficient danger.
Of the works set forth in item (xxi) of Article 6 of the Order, work in a place with danger of oxygen deficiency listed in item (3)-3, (9) or (12) of Appended Table 6 of the Order (for places listed in the same items, limited to those where the Minister of Health, Labour and Welfare designated as places where is liable to cause anoxia or sulfide poisoning to workers) A person who has completed the skill training course for operations chief of oxygen deficient/hydrogen sulfide danger.
Work set forth in item (xxii) of Article 6 of the Order. A person who has completed the skill training course for operations chief of organic solvent. Operations chief of organic solvent.
Work set forth in item (xxiii) of Article 6 of the Order A person who has completed the skill training course for operations chief of asbestos Operations chief of asbestos

Remarks

The total of the heating surface area pertaining to the work set forth in item (iv) of Article 6 of the Order shall be calculated pursuant to the following provisions.

  • (i) To calculate the heating surface area of a boiler pursuant to the provision of Article 2 of the Boiler Ordinance.
  • (ii) As regards a once-through boiler, to calculate the heating surface area by multiplying the value obtained pursuant to the preceding item by one-tenth.
  • (iii) As regards a waste heat boiler, to calculate the heating surface area by multiplying it’s heating surface area by one-half.
  • (iv) As regards the boilers listed in (a) to (d) of item (v) of Article 20 of the Order, not to include their heating surface areas.
  • (v) As regards the boilers that are equipped with the automatic control device having the function, which enable to stop the said boilers safely and other function in the case that the said boilers have any abnormalities pertaining to its pressure, temperature, water level or ignition, and prescribed by the Minister of Health, Labour and Welfare, to may not include their heating surface areas
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