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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

Part I General Rules

Chapter II-2 Measures Relating to the Relief and Protection of Workers

Article 24-3 (Machines, etc., Required for Relief and Protection)
  • (1) The employer prescribed by paragraph (1) of Article 25-2 of the Act (hereinafter referred to as the “employer” in this chapter) shall provide the machines, instruments and other listed in the following each item (hereinafter referred to as “machines, etc.”). However, this shall not apply to the measuring instruments pertaining to methane and hydrogen sulfide listed in item (ii) below when it is unlikely to cause generation of methane or hydrogen sulfide:
    • (i) Air respirators or oxygen respirators (referred to as “air respirators, etc.” in paragraph (3)).
    • (ii) Necessary measuring instruments for measuring the concentration of methane, hydrogen sulfide, carbon monoxide, and oxygen.
    • (iii) Flashlights or other portable illumination apparatuses.
    • (iv) In addition to what is listed in the preceding three items, machines, etc., required for the relief and protection of workers.
  • (2) The employer shall, as regard to the machines, etc., set forth in the preceding paragraph, provide them corresponding to the classifications set forth in the following each item by the time listed in the said each item:
    • (i) The work listed in item (i) of Article 9-2 of the Order: When work is being carried out at a place where a distance from the entrance is 1000 m or in a vertical shaft (limited to those used for passage) with a depth of 50 m.
    • (ii) The work listed in item (ii)of Article 9-2 of the Order: When work is being carried out by compressed air construction method under a gauge pressure of 0.1 MPa.3
  • (3) The employer shall, as regard to the machines, etc., set forth in paragraph (1), always keep them properly maintained, and air respirators, etc. cleanly.
Article 24-4 (Training Relating to Relief and Protection)
  • (1) The employer shall conduct training on the matters listed in the followings:
    • (i) Matters relating to how to use machines, etc., set forth in paragraph (1) of the preceding Article.
    • (ii) Matters relating to the method of first aid resuscitation and other kinds of first aid.
    • (iii) In addition to what is listed in preceding two items, matters relating to the method of safety relief and protection .
  • (2) The employer shall, as regard to the training set forth in the preceding paragraph, conduct it, corresponding to the classification set forth in each item of paragraph (2) of the preceding Article, once by the time listed in the said each item, and once every period within a year thereafter.
  • (3) The employer shall, when having conducted the training set forth in paragraph (1), record the following matters and preserve the records for three years:
    • (i) The date of the training conducted.
    • (ii) The name of the person who has undergone the training.
    • (iii) The details of the training.
Article 24-5 (Rules Relating to the Safety of Relief and Protection)
  • (1) The employer shall, corresponding to the classification set forth in each item of paragraph (2) of Article 24-3, establish the following matters related to the safety of relief and protection of workers by the time listed in the said each item:
    • (i) Matters relating to the relief and protection organization.
    • (ii) Matters relating to the inspection and maintenance of machines, etc., required for relief and protection
    • (iii) Matters relating to the implementation of the training on relief and protection.
    • (iv) In addition to what is listed in preceding three items, matters relating to the safety of relief and protection.
Article 24-6 (Confirmation of Personnel)
  • (1) The employer shall, corresponding to the classification set forth in each item of paragraph (2) of Article 24-3, and by the times listed in the said each item, take measures to be able to confirm at all times the numbers and names of the worker carrying out the work in the work carried out in tunnels, etc. (tunnels and pits other than vertical shafts excluding those for obtaining rocky materials prescribed by Article 2 of the Quarrying Act (Act No.291 of 1950, the same shall apply hereinafter) or in compressed air chambers (work chambers or shafts having a pressure exceeding the atmospheric pressure owing to the caisson method and other compressed air methods).
Article 24-7 (Appointment of Persons Responsible for Managing Technical Matters Relating to Relief and Protection)
  • (1) The appointment of the person responsible for managing technical matters relating to relief and protection pursuant to the provision of paragraph (2) of Article 25-2 of the Act, shall be made prescribed as follows:
    • (i) To appoint, corresponding to the classification set forth in each item of paragraph (2) of Article 24-3, by the time listed in the said each item.
    • (ii) To appoint a person who is exclusively assigned at the workplace concerned.
  • (2) The provisions of Article 3 and 8 shall apply mutatis mutandis to those who are responsible for managing technical matters relating to relief and protection. In this case, the term “paragraph (1) of the preceding Article” in the same Article shall be deemed to be replaced with “item (ii) of paragraph (1) of Article 24-7” and the term “the same paragraph” shall be deemed to be replaced with “the same item.”
Article 24-8 (Qualifications for Persons Responsible for Managing Technical Matters Relating to Relief and Protection)
  • (1) A person who is in possession of the qualifications prescribed by the Ordinance of the Ministry of Health, Labour and Welfare set forth in paragraph (2) of Article 25-2 of the Act shall be the one listed in the following each item corresponding to the classification in the said each item and who has completed the training provided by the Minister of Health, Labour and Welfare:
    • (i) Work listed in item(i) of Article 9-2 of the Order: A person who has experiences having engaged in the construction of tunnels, etc., for three years or longer
    • (ii) Work listed in item (ii) of Article 9-2 of the Order: A person who has the experiences having engaged in work including operation by the compressed air construction method for three years or longer.
Article 24-9 (Enabling)
  • (1) The employer shall grant the person who is responsible for managing technical matters relating to relief and protection the authority to take measures necessary for the safety of relief and protection.
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