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
掲載日：2008.03.28
Part II Safety Standards
Chapter II Construction Machine, etc
Section 1 Vehicle Type Construction Machine
Subsection 4 Concrete Pump Vehicle
Article 171-2 (Prevention of Coming off or Sway of Transport Pipe, etc.)
- (1) The employer shall, when carrying out the work using a concrete pump vehicle, take the following measures:
- (i) To take measures of securely attaching a transport pipe to a transport pipe or a hose using couplings, securing the transport pipe onto a sound building, etc., to prevent the coming off or sway of the said transport pipe or hose;
- (ii) To provide devices of a telephone, an electric bell, etc., designate persons who use each said device and have the said persons use them, or set fixed signals, designate a person who gives the signals and have the said person give the signals, in order to ensure the communication between the person operating the work device and the person hold the terminal of the hoses;
- (iii) Not to allow workers to enter the place where it is liable to cause dangers to workers due to blow out of concrete, etc.;
- (iv) In the case that the transport pipe or hose is blocked, and when intending to cut off the coupling of the transport pipe or hose (hereinafter referred to as “transport pipe, etc.” in this Article and next Article), take in advance, measures for preventing concrete blow out, etc., such as lowering the internal pressure of the said transport pipe, etc., by opening the valve or cock of the air compressor valve;
- (v) When cleaning inside of the transport pipe, etc., using a cleaning ball, to attach an instrument to the end of the said transport pipe, etc., in order to prevent workers from dangers due to the cleaning ball flying out.
Article 171-3 (Direction of Work)
- (1) The employer shall, when assembling or dismantling a transport pipe, etc., establish the method and order, etc., of the work, make them known to the workers, designate a person who direct the work and have the workers carry out the work under direct supervision.
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