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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

掲載日:2008.03.28

Part II Safety Standards

Chapter II Construction Machine, etc

Section 2-3 Vehicle for Work at Height

Article 194-8 (Front and Rear Lamps)
  • (1) The employer shall, as regards a vehicle for work at height (excluding the one used for travelling; hereinafter the same shall apply in this Article) with front and rear lamps. However, this shall not apply to a vehicle for work at height used in the case where necessary illumination is maintained for travelling safely.
Article 194-9 (Work Plan)
  • (1) The employer shall, when carrying out the work using a vehicle for work at height (excluding the work travelling on roads; hereinafter the same shall apply up to Article 194-11), establish in advance a work plan in conformity the condition of the place pertaining to the said work, the type and capability of the said vehicle, and carry out the work by the said work plan.
  • (2) The work plan set forth in the preceding paragraph shall be the one describing the work method by the said vehicle for work at height.
  • (3) The employer shall, when having established the work plan set forth in paragraph (1), make the matters described pursuant to the provision of the preceding paragraph known to the workers concerned.
Article 194-10 (Operation Leader)
  • (1) The employer shall, when carrying out the work using a vehicle for work at height, designate a leader for the said work, and have the said leader direct the work based on the work plan set forth in paragraph (1) of the preceding Article.
Article 194-11 (Prevention of Falling, etc.)
  • (1) The employer shall, when carrying out the work using a vehicle for work at height, take necessary measures of projecting an outrigger, preventing uneven settling of the ground and collapsing of a road shoulder in order to prevent workers from dangers due to overturning or falling of the said vehicle, etc.
Article 194-12 (Signals)
  • (1) The employer shall, in the case of carrying out the work using a vehicle for work at height is carried out, and when operating a working floor at a place other than the working floor, take necessary measures of setting fixed signals, designating a person who gives the signals and having the said person give the signals, etc., in order to ensure the communication between the worker on the working floor and the worker operating the working floor at a place other than the working floor.
Article 194-13 (Measures to Be Taken in the Case of Leaving the Operating Station)
  • (1) The employer shall, when the operator of a vehicle for work at height leaves the operating station (excluding the case where a worker carries out the work on the working floor or when work is to commence), have the said operator take the following measures:
    • (i) To put the working floor in the lowest position;
    • (ii) To stop a prime mover and take measures of setting the brake securely to keep the machine in stopped condition, etc., in order to prevent a vehicle for work at height from breaking into a run.
  • (2) The operator set forth in the preceding paragraph shall take measures listed in each item of the same paragraph when leaving the operating station, which is for travelling of the vehicle for work at height.
  • (3) The employer shall, when the operator of a vehicle for work at height leaves the operating station, which is for travelling, in the case where a worker carries out the work on the working floor or when work is to commence, have the said operator take measures such as setting the brake securely to keep the machine in stopped condition.
  • (4) The operator set forth in the preceding paragraph shall take measures listed in each item of the same paragraph when leaving the operating station, which is for travelling of the vehicle for work at height.
Article 194-14 (Transfer of Vehicle for Work at Height)
  • (1) The employer shall, when using a loading plate, fills, etc., in the case where a vehicle for work at height is loaded to a truck, etc., or unloaded from a truck, etc., by self-propelling or towing for transferring the said machine, in order to prevent dangers due to overturning, falling, etc., of the said vehicle, comply with the following provisions:
    • (i) To load or unload at a level and firm place;
    • (ii) When using a loading plate, to use the one with a sufficient length, width and strength, and fix it securely with appropriate incline;
    • (iii) When using fills or a temporary stand, etc., to secure a sufficient width, strength and appropriate incline.
Article 194-15 (Restriction of Riding)
  • (1) The employer shall, when carrying out the work using a vehicle for work at height, not allow a worker to ride on places other than the seat and working floor.
Article 194-16 (Restriction of Use)
  • (1) The employer shall, as regards a vehicle for work at height, not use it at the condition exceeding the loading capacity, (meaning the maximum load capable of raising while getting personnel and/or loads onto a working floor, corresponding to its structure and materials of the vehicle for work at height) and other capabilities.
Article 194-17 (Restriction on the Use for Other than Main Purpose)
  • (1) The employer shall not use a vehicle for work at height for other than its main purpose of lifting a load, etc. However, this shall not apply to when it is unlikely to cause danger to workers.
Article 194-18 (Repair, etc.)
  • (1) The employer shall, when carrying out the work repairing a vehicle for work at height, or fitting or removing the working floor, designate a person to direct the said work and have the said person carry out the following matters:
    • (i) To decide a work procedure, and supervise the work directly;
    • (ii) To monitor the use of a safety prop, a safety block, etc., prescribed by paragraph (1) of the next Article.
Article 194-19 (Prevention of Danger Due to Descent of Boom, etc.)
  • (1) The employer shall, when carrying out the work repairing or checking, etc., under the raised boom of a vehicle for work at height, have the worker engaging in the said work use a safety prop and a safety block, etc., in order to prevent workers from dangers due to the unexpected descending of the boom, etc.
  • (2) The worker engaging in the work set forth in the preceding paragraph shall use a safety prop and a safety block, etc., set forth in the same paragraph.
Article 194-20 (Restriction, etc., of Riding on the Working floor)
  • (1) The employer shall, when travelling a vehicle for work at height (excluding the one constructed to operate travelling operation on the working floor, hereinafter the same shall apply in this Article), not allow a worker to ride on the working floor of the said vehicle for work at height. However, this shall not apply to the case of travelling the vehicle for work at height at a level and firm place, and when taking the following measures:
    • (i) To arrange a guide, and have the said person guide a vehicle for work at height;
    • (ii) To set fixed signals and have the guide set forth in the preceding item give the signals;
    • (iii) To set an appropriate working speed limit for the vehicle for work at height in advance corresponding to the height of the working floor and the length of the boom, etc. of the said vehicle for work at height, and have the operator operate the vehicle by them.
  • (2) A worker shall, excluding the case set forth in the preceding paragraph, not ride on the working floor of a vehicle for work at height during traveling.
  • (3) The operator of the vehicle for work at height set forth in the proviso of paragraph (1) shall follow the instruction given by the guide set forth in item (i) of the same paragraph and the signals set forth in item (ii) of the same paragraph and not operate the vehicle for work at height at speeds exceeding the speed limit set forth in item (iii) of the same paragraph.
Article 194-21
  • (1) The employer shall, when travelling a vehicle for work at height constructed to operate travelling operation on a working floor at places other than those level and firm, take the following measures:
    • (i) To take the measures listed in item (i) and (ii) of the paragraph (1) of the preceding Article.
    • (ii) To establish in advance, an appropriate working speed limit for the vehicle for work at height corresponding to the height of the working floor and the length of the boom of said vehicle for work at height, and the landform and condition of the ground pertaining to the said work, and have the operator operate the vehicle at the said speed limit.
  • (2) The provisions of paragraph (3) of the preceding Article shall apply mutatis mutandis to the operator of the vehicle for work at height set forth in the preceding paragraph. In this case, the term “item (iii) of the same Article” in paragraph (3) of the same Article shall be deemed to be replaced with “item (ii) of paragraph (1) of the next Article.”
Article 194-22 (Use of Safety Belt, etc.)
  • (1) The employer shall, when carrying out the work using a vehicle for work at height (excluding the one equipped with a working floor that raise and lower only perpendicular direction to the ground plane), have the workers on the working floor of said vehicle for work at height use safety belts, etc.
  • (2) The worker set forth in the preceding paragraph shall use a safety belt, etc.
Article 194-23 (Periodical Self-inspections)
  • (1) The employer shall, as regards a vehicle for work at height, carry out self-inspections for the following matters periodically once every period within a year. However, this shall not apply to the non-use period of a vehicle for work at height, which is not used for a period exceeding one year:
    • (i) Abnormalities in compression pressure, valve clearance and other parts of a prime mover.
    • (ii) Abnormalities in a clutch, a transmission, a propeller shaft, a differential and other power transmission devices.
    • (iii) Abnormalities in a drive wheel, an idling wheel, a vertical trunk roller, a belt, a tire, a wheel bearing and other traveling devices.
    • (iv) Abnormalities in rotation angle of left and right steering wheels, a knuckle, a rod, an arm and other controlling devices.
    • (v) Abnormalities in braking capability, a brake drum, a brake shoe and other braking devices.
    • (vi) Abnormalities in the boom, lifting and lowering device, bending device, balance device, working floor and other parts of the working devices.
    • (vii) Abnormalities in a hydraulic pump, a hydraulic motor, a cylinder, a safety valve and other parts of a hydraulic system.
    • (viii) Abnormalities in voltage, amperage and other parts of an electrical system.
    • (ix) Abnormalities in a body, an operating device, a safety device, a locking device, a warning device, a direction indicators, lightning device and a meter.
  • (2) The employer shall, as regards the vehicle for work at height set forth in the proviso of the preceding paragraph, carry out self-inspection for the matters listed in each item of the same paragraph before resuming the operation.
Article 194-24
  • (1) The employer shall, as regards a vehicle for work at height, carry out self-inspections for the following matters periodically once every period within a month. However, this shall not apply to the non-use period of a vehicle for work at height, which is not used for a period exceeding one month:
    • (i) Abnormalities in a braking device, a clutch and a steering system.
    • (ii) Abnormalities in a working device and a hydraulic system.
    • (iii) Abnormalities in a safety device.
  • (2) The employer shall, as regards the vehicle for work at height set forth in the proviso of the preceding paragraph, carry out self-inspection for the matters listed in each item of the same paragraph before resuming the operation.
Article 194-25 (Record of Periodical Self-inspections)
  • (1) The employer shall, when having carried out the self-inspections set forth in the preceding two Articles, record the following matters and preserve the records for three years:
    • (i) The date of the inspection
    • (ii) The method of the inspection
    • (iii) The parts of a machine inspected
    • (iv) The results of the inspection
    • (v) The name of the person who carried out the inspection
    • (vi) When measures such as repair have been taken based on the result of the inspection, their contents.
Article 194-26 (Specified Self-inspection)
  • (1) The specified self-inspection pertaining to the vehicle for work at height shall be the self-inspection prescribed by Article 194-23.
  • (2) The provision of paragraph (2) of Article 151-24 shall apply mutatis mutandis to the worker 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 45 of the Act pertaining to vehicle for work at height. In this case, the term “forklift” in item (i) of paragraph (2) of Article 151-24 shall be deemed to be replaced with “vehicle for work at height.”
  • (3) The employer shall, as regards the vehicle for work at height (limited to the one subject to paragraph (1) of Article 48 of the Road Transportation Vehicle Act) used for the travelling, in the case when having checked pursuant to the provisions of the same paragraph, not be required to carry out the self-inspection set forth in Article 194-23 for the parts where the said checkup has been carried out.
  • (4) As regards the application of the provision of the preceding Article in the case when having a registered inspection agency implement the specified self-inspection pertaining to a vehicle for work at height, the term “the name of the person who has carried out the inspection” in item (v) of the same Article shall be deemed to be replaced with “the name of the registered inspection agency.”
  • (5) The employer shall, when having carried out the specified self-inspection pertaining to a vehicle for work at height, affix an inspection sticker stating the month and year when the said specified self-inspection was carried out at a readily visible location of the said vehicle.
Article 194-27 (Checkup before Commencing the Work)
  • (1) The employer shall, when carrying out the work by vehicle for work at height, check functions of a braking device and a controlling device and a working device before commencing the work for the day.
Article 194-28 (Repair, etc.)
  • (1) The employer shall, when having found any abnormalities in the case when having carried out the self-inspection set forth in Article 194-23 or 194-24, or the checkup set forth in the preceding Article, immediately repair or take other necessary measures.

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