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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 II Safety Standards

Chapter I-2 Material Handling Machine, etc.

Section 1 Vehicle Type Material Handling Machine, etc.
Subsection 1 General Provisions

Article 151-2 (Definition)
  • (1) The term “vehicle type material handling machine, etc.” as used in this Ordinance of Ministry shall means those falling under any of the following each item:
    • (i) The forklift
    • (ii) The shovel-loader
    • (iii) The fork loader
    • (iv) The straddle carrier
    • (v) The transporting vehicle on rough terrain
    • (vi) The in-yard transporting vehicle (meaning the automobile constructed to exclusively transport cargoes [limited to the one with the length of 4.7 m or less, the width of 1.7 m or less and the height of 2.0 m or less] having the maximum speed of 15 km/h or less [excluding the one falling under the preceding item]).
    • (vii) The truck (meaning the automobile constructed to exclusively transport cargoes [excluding the one falling under the preceding two items ]).
Article 151-3 (Work Plan)
  • (1) The employer shall, when carrying out the work using a vehicle type material handling machine, etc. (excluding the work travelling on the road using a transporting vehicle on rough terrain or a truck; the same shall apply hereinafter up to Article 151-7), establish in advance a work plan in conformity with the space and landform of the place pertaining to the said work, the type and capability of the said machine, and the type and shape of the cargo, 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 travelling route of the said machine, etc., and the method of the work by the said machine, etc.
  • (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 151-4 (Operation Leader)
  • (1) The employer shall, when carrying out the work using a vehicle type material handling machine, etc., 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 151-5 (Speed Limit)
  • (1) The employer shall, when carrying out the work using a vehicle type material handling machine, etc., (excluding the one having maximum speed of10 km/h or less), in advance, set the appropriate speed limit for the vehicle type material handling machine, etc., corresponding to the landform and conditions of the ground, etc., of the place pertaining to the said work and carry out the work by the set speed limit.
  • (2) The operator of the vehicle type material handling machine, etc., set forth in the preceding paragraph shall not operate the vehicle type material handling machine, etc., at speeds exceeding the speed limit set forth in the same paragraph.
Article 151-6 (Prevention of Falling, etc.)
  • (1) The employer shall, when carrying out the work using a vehicle type material handling machine, etc., take necessary measures for the travelling route of the said machine, etc., such as maintaining the necessary width, preventing uneven settling of the ground and collapse of shoulder in order to prevent workers from dangers due to overturning or falling of the said machine, etc.
  • (2) The employer shall, in the case where the work using a vehicle type material handling machine, etc., is carried out at road shoulder, inclined place, etc., and when it is liable to cause dangers to workers due to overturning or falling of the said machine, etc., arrange a guide, and have the said person guide the said machine, etc.
  • (3) The operator of the vehicle type material handling machine, etc., set forth in the preceding paragraph shall follow the instructions given by the guide set forth in the same paragraph.
Article 151-7 (Prevention of Workers Being Hit)
  • (1) The employer shall, when carrying out the work using a vehicle type material handling machine, etc., not allow a worker to enter a place, which is liable to cause dangers to workers due to being hit by the vehicle type material handling machine, etc., during operation or its cargo. However, this shall not apply to when arranging a guide and having the said person guide the said machine, etc.
  • (2) The operator of the vehicle type material handling machine, etc., set forth in the preceding paragraph shall follow the instruction given by the guide set forth in the proviso of the same paragraph.
Article 151-8 (Signals)
  • (1) The employer shall, when placing a guide for a vehicle type material handling machine, etc., set fixed signals and have the said guide give the signals.
  • (2) The operator of the vehicle type material handling machine, etc., set forth in the preceding paragraph shall follow the signals set forth in the same paragraph.
Article 151-9 (Prohibition of Entry)
  • (1) The employer shall, as regards a vehicle type material handling machine, etc., (excluding the one equipped with a device for preventing a fork, a shovel or an arm from unexpected descending because of its structure), not allow a worker to enter the place under its fork, shovel or arm, or cargo supported by them. However this shall not apply to the case where works repairing or checking, etc., are carried out, and when having the worker engaging in the said work use a safety prop or a safely block, etc., in order to prevent a worker from dangers due to unexpected descending of the fork, the shovel or the arm.
  • (2) The worker carrying out the work set forth in the proviso of the preceding paragraph shall use the safety prop, the safety block, etc., set forth in the proviso of the same paragraph.
Article 151-10 (Loading of Cargo)
  • (1) The employer shall, when loading cargo on a vehicle type material handling machine, etc., comply with the following provisions:
    • (i) To load cargo in a manner to prevent uneven loading.
    • (ii) For a transporting vehicle on rough terrain, an in-yard transporting vehicle or a truck, to take such necessary measures as roping or sheeting cargoes , etc., in order to prevent workers from dangers due to collapsing or falling of cargo.
Article 151-11 (Measures to be taken in the Case of Leaving the Operating Station)
  • (1) The employer shall, when the operator of a vehicle type material handling machine, etc., leaves the operating station, have the said operator take the following measures:
    • (i) To place a cargo handling device of the fork, shovel, etc., at the lowest descending 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 type material handling machine, etc., 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 of the vehicle type material handling machine, etc.
Article 151-12 (Transfer of a Vehicle Type Material Handling Machine, etc.)
  • (1) The employer shall, when using a loading plate, fills, etc., in the case where a vehicle type material handling machine, etc., is loaded to a truck, etc., or is unloaded from a truck, etc., by self-propelling or towing for transferring the said machine, comply with the following provisions in order to prevent dangers due to overturning, falling, etc. of the said machine:
    • (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 151-13 (Restriction on Ride)
  • (1) The employer shall, when carrying out the work using a vehicle type material handling machine, etc. (excluding a transporting vehicle on rough terrain and a truck), not allow a worker to ride on places other than the seat. However, this shall not apply to when having taken measures to prevent workers from dangers due to falling.
Article 151-14 (Restriction on the Use for Other than Main Purpose)
  • (1) The employer shall not use a vehicle type material handling machine, etc., for other than its main purpose of lifting a load, raising or lowering a worker, etc. However, this shall not apply to when it is unlikely to cause dangers to workers.
Article 151-15 (Repair, etc.)
  • (1) The employer shall, when carrying out the work repairing a vehicle type material handling machine, etc., or fitting or removing its attachments, 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., set forth in the proviso of paragraph (1) of Article 151-9.

Section 1 Vehicle Type Material Handling Machine, etc.
Subsection 2 Forklift

Article 151-16 (Front and Rear Lamps)
  • (1) The employer shall, as regards a forklift, not use the one without front and rear lamps. However, this shall not apply to the place maintaining necessary illumination for carrying out the work safely.
Article 151-17 (Head Guard)
  • (1) The employer shall, as regards a forklift, not use the one without a head guard as provided for in the followings. However, this shall not apply to when it is unlikely to cause dangers to the operator of the forklift due to falling of cargo:
    • (i) To have the strength withstanding against the uniformly distributed static load equivalent to two times of the maximum load of the forklift (4 tons in a case that the value exceeds 4 tons).
    • (ii) To have the opening of the upper frame with the width or the length less than 16 cm.
    • (iii) To have the height from an upper surface of a driver's seat to the lower surface of an upper frame of a head guard of 95 cm or more for the forklift operated by a driver sitting on its driver's seat.
    • (iv) To have the height from the floor surface of the driver's seat to the lower surface of the upper frame of the head guard of1.8 m or more for the forklift operated by a driver standing.
Article 151-18 (Backrest)
  • (1) The employer shall, as regards a forklift, not use the one without a backrest. However, this shall not apply to when it is unlikely to cause dangers to workers due to falling of cargo on the rear of the mast.
Article 151-19 (Pallet, etc.)
  • (1) The employer shall, as regards a pallet or a skid used in the material handling work by a forklift, not use the one unless otherwise prescribed as follows:
    • (i) To have sufficient strength corresponding to the weight of cargoes to be loaded.
    • (ii) To be free from extremely damage, deformation and corrosion.
Article 151-20 (Restriction of Use)
  • (1) The employer shall, as regards a forklift, not use it at conditions exceeding the allowable load (meaning the maximum load that can be burdened corresponding to its structure and material of the forklift and the center of the gravity of the load to be loaded on the fork, etc. [meaning a device for loading cargo such as a fork, a ram]) and other capabilities.
Article 151-21 (Periodical Self-inspections)
  • (1) The employer shall, as regards a forklift, carry out self-inspections for the following matters periodically once every period not exceeding one year. However, this shall not apply to the non-use period of a forklift, 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 differential, a propeller shaft and other power transmission devices.
    • (iii) Abnormalities in 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 a fork, a mast, chains, a chain wheel and other cargo handling 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, a head guard, a backrest, a warning device, a direction indicator, a lightning device, a meter.
  • (2) The employer shall, as regards the forklift 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 151-22
  • (1) The employer shall, as regards a forklift, carry out self-inspections for the following matters periodically once every period not exceeding one month. However, this shall not apply to the non-use period of a forklift, which is not used for a period exceeding one month:
    • (i) Abnormalities in a braking device, a clutch and a controlling device.
    • (ii) Abnormalities in a cargo handling device and a hydraulic system.
    • (iii) Abnormalities in a head guard and a backrest.
  • (2) The employer shall, as regards the forklift 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 151-23 (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 has carried out the inspection
    • (vi) When measures such as repair have been taken based on the result of the inspection, their contents.
Article 151-24 (Specified Self-inspections)
  • (1) The specified self-inspection pertaining to a forklift shall be the self-inspection prescribed by Article 151-21.
  • (2) 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 a forklift shall be the person who falls under any of the following each item:
    • (i) A person who falls under any of the following categories and has completed the training course provided by the Minister of Health, Labour and Welfare:
      • (a) A person who has majored in and graduated from an engineering course of a university or a technical collage accredited under the School Education Act, and has experiences having engaged in the work of checkup or maintenance of a forklift for two years or longer or design or manufacture of a forklift for five years or longer.
      • (b) A person who has majored in and graduated from an engineering course of a senior high school or a secondary education school accredited under the School Education Act and has experiences having engaged in the work of checkup or maintenance of a forklift for four years or longer or design or manufacture of a forklift for seven years or longer;
      • (c) A person who has experiences having engaged in the work of checkup or maintenance of a forklift for seven years or longer or design or manufacture of a forklift for 10 years or longer;
      • (d) A person who has experiences having engaged in the work by a forklift for 10 years or longer.
    • (ii) Other persons provided by the Minister of Health, Labour and Welfare.
  • (3) The employer shall, as regards the forklift (limited to the one subject to paragraph (1) of Article 48 of the Road Transportation Vehicle Act [Act No.185 of 1951]) used for the travelling prescribed by paragraph (5) of Article 2 of the same Act (hereinafter referred to as “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 151-21 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 forklift, the term “the full 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 forklift, 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 forklift.
Article 151-25 (Checkup)
  • (1) The employer shall, when carrying out the work using a forklift, check the following matters before commencing the work for the day:
    • (i) Functions of a braking device and a controlling device.
    • (ii) Functions of a cargo handling device and a hydraulic system.
    • (iii) Abnormalities in a wheel.
    • (iv) Functions of front and rear lamps, a direction indicator and a warning device.
Article 151-26 (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 151-21 or 151-22, or the checkup set forth in the preceding Article, immediately repair or take other necessary measures.

Section 1 Vehicle Type Material Handling Machine, etc.
Subsection 3 Shovel-Loader, etc.

Article 151-27 (Front and Rear Lamps)
  • (1) The employer shall, as regards a shovel-loader or a fork loader (hereinafter referred to as “shovel-loader, etc.”), not use the one without front and rear lamps. However, this shall not apply to the place maintaining necessary illumination for carrying out the work safely.
Article 151-28 (Head Guard)
  • (1) The employer shall, as regards a shovel-loader, etc., not use the one without a sound head guard. However, this shall not apply to when it is unlikely to cause dangers to the operator of the shovel-loader, etc., due to falling of cargo:
Article 151-29 (Loading of Cargo)
  • (1) The employer shall, as regards a shovel-loader, etc., load cargoes in such a manner that the loaded cargo does not obstruct the operator’s view.
Article 151-30 (Restriction of Use)

(1) The employer shall, as regards a shovel-loader, etc., not use it at the condition exceeding the maximum load and other capabilities.

Article 151-31 (Periodical Self-inspections)
  • (1) The employer shall, as regards shovel-loaders, etc., carry out self-inspections for the following matters periodically once every period not exceeding one year. However, this shall not apply to the non-use period of shovel-loaders, etc., which is not used for a period exceeding one year:
    • (i) Abnormalities in a prime mover.
    • (ii) Abnormalities in a power transmission device and a traveling device.
    • (iii) Abnormalities in a braking device and a controlling device.
    • (iv) Abnormalities in a cargo handling device and a hydraulic system.(v) Abnormalities in an electrical system, a safety device and meters.
  • (2) The employer shall, as regards the shovel-loader, etc. 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 151-32
  • (1) The employer shall, as regards a shovel-loader, etc., carry out self-inspections for the following matters periodically once every period not exceeding one month. However, this shall not apply to the non-use period of shovel-loaders, etc., which is not used for a period exceeding one month:
    • (i) Abnormalities in a braking device, a clutch and a controlling device.
    • (ii) Abnormalities in a cargo handling device and a hydraulic system.
    • (iii) Abnormalities in a head guard.
  • (2) The employer shall, as regards the shovel-loader, etc., 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 151-33 (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 has carried out the inspection
    • (vi) When measures such as repair have been taken based on the result of the inspection, their contents.
Article 151-34 (Checkup)
  • (1) The employer shall, when carrying out the work using a shovel-loader, etc., check the following matters before commencing the work for the day:
    • (i) Functions of a braking device and a controlling device.
    • (ii) Functions of a cargo handling device and a hydraulic system.
    • (iii) Abnormalities in a wheel.
    • (iv) Functions of front and rear lamps, a direction indicator and a warning device.
Article 151-35 (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 151-31 or 151-32, or the checkup set forth in the preceding Article, immediately repair or take other necessary measures.

Section 1 Vehicle Type Material Handling Machine, etc.
Subsection 4 Straddle Carrier

Article 151-36 (Front and Rear Lamps)
  • (1) The employer shall, as regards a straddle carrier, not use the one without front and rear lamps. However, this shall not apply to the place maintaining necessary illumination for carrying out the work safely.
Article 151-37 (Restriction of Use)
  • (1) The employer shall, as regards a straddle carrier, not use it at the condition exceeding the maximum load and other capabilities.
Article 151-38 (Periodical Self-inspections)
  • (1) The employer shall, as regards a straddle carrier, carry out self-inspections for the following matters periodically once every period not exceeding one year. However, this shall not apply to the non-use period of a straddle carrier, which is not used for a period exceeding one year:
    • (i) Abnormalities in a prime mover.
    • (ii) Abnormalities in a power transmission device and a traveling device.
    • (iii) Abnormalities in a braking device and a controlling device.
    • (iv) Abnormalities in a cargo handling device and a hydraulic system.
    • (v) Abnormalities in an electrical system, a safety device and meters.
  • (2) The employer shall, as regards the straddle carrier 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 151-39
  • (1) The employer shall, as regards a straddle carrier, carry out self-inspections for the following matters periodically once every period not exceeding one month. However, this shall not apply to the non-use period of a straddle carrier, which is not used for a period exceeding one month:
    • (i) Abnormalities in a braking device, a clutch and a controlling device.
    • (ii) Abnormalities in a cargo handling device and a hydraulic system.
  • (2) The employer shall, as regards the straddle carrier 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 151-40 (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 has carried out the inspection
    • (vi) When measures such as repair have been taken based on the result of the inspection, their contents.
Article 151-41 (Checkup)
  • (1) The employer shall, when carrying out the work using a straddle carrier, check the following matters before commencing the work for the day:
    • (i) Functions of a braking device and a controlling device.
    • (ii) Functions of a cargo handling device and a hydraulic system.
    • (iii) Abnormalities in a wheel.
    • (iv) Functions of front and rear lamps, a direction indicator and a warning device.
Article 151-42 (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 151-38 or 151-39, or the checkup set forth in the preceding Article, immediately repair or take other necessary measures.

Section 1 Vehicle Type Material Handling Machine, etc.
Subsection 5 Transporting Vehicle on Rough Terrain

Article 151-43 (Front and Rear Lamps)
  • (1) The employer shall, as regards a transporting vehicle on rough terrain (excluding the one used for travelling), not use the one without front and rear lamps. However, this shall not apply to the place maintaining necessary illumination for carrying out the work safely.
Article 151-44 (Restrictions of Use)
  • (1) The employer shall, as regards a transporting vehicle on rough terrain, not use it at the condition exceeding the maximum loading capability and other capacities.
Article 151-45 (Raising and Lowering Equipment)
  • (1) The employer shall, when loading cargoes on a transporting vehicle on rough terrain having the maximum loading capacity of 5 tons or more (including the work roping and sheeting) and unloading cargoes from a transporting vehicle on a rough terrain having the maximum loading capacity of 5 tons or more (including the work unroping and unsheeting), provide the equipment for the worker engaging the said work to go up and down safely between the floor surface and the upper surface of the cargoes on the loading platform in order to prevent workers from dangers due to falling.
  • (2) The worker engaging in the work set forth in the preceding paragraph shall, when going up and down between the floor surface and the upper surface of the cargoes on the loading platform, use the equipment for raising and lowering set forth in the preceding paragraph.
Article 151-46 (Prohibition of the Use of an Inadequate Fibre Rope)
  • (1) The employer shall not use the fibre rope falling under any of the following each item for roping cargoes on a transporting vehicle on rough terrain:
    • (i) Those with cut strand
    • (ii) Those with marked damage or corrosion
Article 151-47 (Checkup on a Fibre Rope)
  • (1) The employer shall, when using a fibre rope for roping cargoes on a transporting vehicle on rough terrain, check the said rope before starting the use for the day, and immediately replace it when having found any abnormalities:
Article 151-48 (Loading and Unloading)
  • (1) The employer shall, when loading a cargo with the weight of 100 kg or more on a transporting vehicle on rough terrain (including the work roping and sheeting) or unloading the said cargo from a transporting vehicle on a rough terrain (including the work unroping and unsheeting), designate a person who direct the said work, and the said person carry out the following matters:
    • (i) To decide a work procedure and the work method for each work procedure, and supervise the work directly.
    • (ii) To check an instrument and a tool , and remove defective ones.
    • (iii) Not to allow workers other than those concerned to enter the place where the said work is carried out.
    • (iv) When carrying out the work unroping or unsheeting, to instruct the commencement of the said work after having confirmed that there is no dangers of falling cargoes from a loading platform.
    • (v) To monitor the use of the equipment for raising and lowering set forth in paragraph (1) of Article 151-45 and a safety helmet.
Article 151-49 (Prohibition of Pulling Out Middle Cargo from the Pilings)
  • (1) The employer shall, when carrying out the work unloading cargoes from a transporting vehicle on rough terrain, not allow the worker engaging in the said work to pull out middle cargo from the pilings.
  • (2) The worker engaging in the work set forth in the preceding paragraph shall not pull out middle cargo from the pilings.
Article 151-50 (Restrictions of Riding on the Loading Platform)
  • (1) The employer shall, when traveling a transporting vehicle on rough terrain without a tailgate on the loading platform, not allow a worker to ride on the said loading platform.
  • (2) A worker shall, in the case set forth in the preceding paragraph, not ride on the loading platform set forth inthe same paragraph.
Article 151-51
  • (1) The employer shall, in the case when travelling a transporting vehicle on a rough terrain with a tailgate on the loading platform, and when having a worker ride on the said loading platform, comply with the following provisions:
    • (i) To take measures to provide a wedge, a stopper, etc., for the cargoes, which is liable to cause dangers to workers due to shifting in order to prevent workers from dangers due to the shifting of the cargoes.
    • (ii) To have the worker riding on the loading platform carry out the following matters:
      • (a) To close the tailgate securely.
      • (b) Not to ride on the tailgate and other places where it is liable to cause fall of a worker due to shaking of the transporting vehicle on a rough terrain.
      • (c) Not to ride on when the highest part of the body exceeding the height of roof of the operator’s seat (the highest part of the cargo when the highest part of the load on the loading platform exceeding the height of the roof of the operator’s seat).
  • (2) The worker set forth in item (ii) of the preceding paragraph shall carry out the matters listed in the same item.
Article 151-52 (Wearing of a Safety Helmet)
  • (1) The employer shall, when carrying out the work loading cargoes on a transporting vehicle on a rough terrain having the maximum loading capacity of 5 tons or more (including the work roping and sheeting) or unloading cargoes from a transporting vehicle on a rough terrain having the maximum loading capacity of 5 tons or more (including the work unroping and unsheeting), have the worker engaging in the said work wear a safety helmet in order to prevent workers from dangers due to falling.
  • (2) The worker engaging in the work set forth in the preceding paragraph shall wear the safety helmet set forth in the same paragraph.
Article 151-53 (Periodical Self-inspections)
  • (1) The employer shall, as regards a transporting vehicle on a rough terrain, carry out self-inspections for the following matters periodically once every period not exceeding two years. However, this shall not apply to the non-use period of a transporting vehicle on a rough terrain, which is not used for a period exceeding two years:
    • (i) Abnormalities in compression pressure, valve clearance and other parts of a prime mover.
    • (ii) Abnormalities in a clutch, a transmission, a final driver 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 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 a loading platform, a tailgate and other cargo handling 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, a warning device, a direction indicator, a lightning device and a meter.
  • (2) The employer shall, as regards the transporting vehicle on a rough terrain 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 151-54
  • (1) The employer shall, as regards a transporting vehicle on a rough terrain, carry out self-inspections for the following matters periodically once every period not exceeding one month. However, this shall not apply to the non-use period of a transporting vehicle on a rough terrain, which is not used for a period exceeding one month:
    • (i) Abnormalities in a braking device, a clutch and a controlling device.
    • (ii) Abnormalities in a cargo handling device and a hydraulic system.
  • (2) The employer shall, as regards the transporting vehicle on a rough terrain 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 151-55 (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 has carried out the inspection
    • (vi) When measures such as repair have been taken based on the result of the inspection, their contents.
Article 151-56 (Specified Self-inspection)
  • (1) The specified self-inspection pertaining to the transporting vehicle on a rough terrain shall be the self-inspection prescribed by Article 151-53.
  • (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 a transporting vehicle on a rough terrain. In this case, the term “forklift” in item (i) of paragraph (2) of Article 151-24 shall be deemed to be replaced with “transporting vehicle on a rough terrain.”
  • (3) The employer shall, as regards the transporting vehicle on a rough terrain (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 151-53 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 transporting vehicle on a rough terrain, 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 transporting vehicle on a rough terrain, 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 151-57 (Checkup)
  • (1) The employer shall, when carrying out the work using a transporting vehicle on a rough terrain, check the following matters before commencing the work for the day:
    • (i) Functions of a braking device and a controlling device.
    • (ii) Functions of a cargo handling device and a hydraulic system.
    • (iii) Abnormalities in a belt and a wheel.
    • (iv) Functions of front and rear lamps, a direction indicator and a warning device.
Article 151-58 (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 151-53 or 151-54, or the checkup set forth in the preceding Article, immediately repair or take other necessary measures.

Section 1 Vehicle Type Material Handling Machine, etc.
Subsection 6 In-yard Transporting Machine

Article 151-59 (Braking Device, etc.)
  • (1) The employer shall, as regards an in-yard transporting machine (excluding the one used for travelling; hereinafter the same shall apply in this Article), not use it unless otherwise prescribed as follows. However, the provision of item (iv) shall not apply to the in-yard transporting machine used at a place maintaining necessary illumination for carrying out the work safely:
    • (i) To have an effective braking device in order to braking the travel and maintaining the stopped condition.
    • (ii) To have an alarming horn.
    • (iii) To have a direction indicator on each left and right side, for those with distance between the center of the steering wheel and the outer utmost side of the body of 65 cm or more or those with an operator's seat in the cabin.
    • (iv) To have front and rear lamps.
Article 151-60 (Coupler)
  • (1) The employer shall, when coupling an in-yard transporting machine with a carriage, use a secure coupler.
Article 151-61 (Restriction of Use)
  • (1) The employer shall, as regards an in-yard transporting machine, not use it at the condition exceeding the maximum loading capacity and other capabilities.
Article 151-62 (Loading and Unloading)
  • (1) The employer shall, when loading a cargo with the weight of 100 kg or more on an in-yard transporting machine (including the work roping and sheeting) or unloading the said cargo from an in-yard transporting machine (including the work unroping and unsheeting), designate a person who direct the said work, and the said person carry out the following matters:
    • (i) To decide a work procedure and the work method for each work procedure, and supervise the work directly.
    • (ii) To check an instrument and a tool, and remove defective ones.
    • (iii) Not to allow workers other than those concerned to enter the place where carrying out the said work.
    • (iv) When carrying out the work unroping or unsheeting, to instruct the commencement of the said work after having confirmed that there is no dangers of falling cargoes from a loading platform.
Article 151-63 (Checkup)
  • (1) The employer shall, when carrying out the work using an in-yard transporting vehicle, check the following matters before commencing the work for the day:
    • (i) Functions of a braking device and a controlling device.
    • (ii) Functions of a cargo handling device and a hydraulic system.
    • (iii) Abnormalities in a wheel.
    • (iv) Functions of front and rear lamps, a direction indicator and an alarming horn.
Article 151-64 (Repair, etc.)
  • (1) The employer shall, when having found any abnormalities in the case when having carried out the checkup set forth in the preceding Article, immediately repair or take other necessary measures.

Section 1 Vehicle Type Material Handling Machine, etc.
Subsection 7 Truck

Article 151-65 (Braking Device, etc.)
  • (1) The employer shall, as regards a truck (excluding the one used for travelling; hereinafter the same shall apply in this Article), not use it unless otherwise prescribed as follows. However, the provision of item (viii) shall not apply to the truck having the maximum speed of 20 km/h or less:
    • (i) To have an effective braking device in order to braking the travel and maintaining the stopped condition.
    • (ii) To have a operator's seat providing an operator with view for operating the vehicle safely and with safety front glass without strain obstructing the operator's vision.
    • (iii) To have pneumatic rubber tires without cracks, exposure of cord layers and other extreme damage.
    • (iv) To have front and rear lamps.
    • (v) To have a direction indicator on each left and right side at places where indicating portions are discernible from a distance 30 m away to the rear or front of the truck along the center line of the truck's body, for those with distance between the center of the steering wheel and the outer utmost side of the body of 65 cm or more or those with an operator's seat in the cabin.
    • (vi) To have an alarming horn.
    • (vii) To equip with a rear mirror enabling the driver to operate the truck safely and a mirror enabling the driver to confirm that there are no obstacles just in front of the truck.
    • (viii) To equip with a speedometer.
Article 151-66 (Restriction of Use)
  • (1) The employer shall, as regards a truck, not use it at the condition exceeding the maximum loading capacity and other capabilities.
Article 151-67 (Raising and Lowering Equipment)
  • (1) The employer shall, when loading cargoes on a truck having the maximum loading capacity of 5 tons or more (including the work roping and sheeting) and unloading cargoes from a truck having the maximum loading capacity of 5 tons or more (including the work unroping and unsheeting), provide equipment for the worker engaging in the said work to go up and down safely between the floor surface and the upper surface of the cargoes on the loading platform in order to prevent workers from dangers due to falling.
  • (2) The worker engaging in the work set forth in the preceding paragraph shall, when going up and down between the floor surface and the upper surface of the cargoes on the loading platform, use the equipment for raising and lowering set forth in the preceding paragraph.
Article 151-68 (Prohibition of the Use of an Inadequate Fibre Rope)
  • (1) The employer shall not use a fibre rope falling under any of the following each item for roping cargoes on a truck:
    • (i) Those with cut strands.
    • (ii) Those with marked damage or corrosion.
Article 151-69 (Checkup on a Fibre Rope)
  • (1) The employer shall, when using a fibre rope for roping cargoes on a truck, check the said rope before starting the use for the day, and immediately replace it when having found any abnormalities:
Article 151-70 (Loading and Unloading)
  • (1) The employer shall, when loading a cargo with the weight of 100 kg or more on a truck (including the work roping and sheeting) or unloading the said cargo from a truck (including the work unroping and unsheeting), designate a person who direct the said work, and the said person carry out the following matters:
    • (i) To decide a work procedure and the work method for each work procedure, and supervise the work directly.
    • (ii) To check an instrument and a tool, and remove defective ones.
    • (iii) Not to allow workers other than those concerned to enter the place where the said work is carried out.
    • (iv) When carrying out the work unroping or unsheeting, to instruct the commencement of the said work after having confirmed that there is no dangers of falling cargoes from a loading platform.
    • (v) To monitor the use of equipment for lifting and lowering set forth in paragraph (1) of Article 151-67 and a safety helmet.
Article 151-71 (Prohibition of Pulling Out Middle Cargo from the Pilings)
  • (1) The employer shall, when carrying out the work unloading cargoes from a truck, not allow the worker engaging in the said work to pull out middle cargo from the pilings.
  • (2) The worker engaging in the work set forth in the preceding paragraph shall not pull out middle cargo from the pilings.
Article 151-72 (Restriction of Riding on a Loading Platform)
  • (1) The employer shall, when traveling a truck without a tailgate on the loading platform, not allow a worker to ride on the said loading platform.
  • (2) A worker shall, in the case set forth in the preceding paragraph, not ride on the loading platform set forth in the same paragraph.
Article 151-73
  • (1) The employer shall, in the case when traveling a truck with a tailgate on the loading platform, and when having a worker ride on the said loading platform, comply with the following provisions:
    • (i) To take measures to provide a wedge, a stopper, etc., for the cargoes, which is liable to cause dangers to workers due to shifting in order to prevent workers from dangers due to the shifting of the cargoes.
    • (ii) To have the worker riding on the loading platform carry out the following matters:
      • (a) To close the tailgate securely.
      • (b) Not to ride on the tailgate and other places where it is liable to cause fall of a worker due to shaking of the truck.
      • (c) Not to ride on when the highest part of the body exceeding the height of roof of the operator’s seat (the highest part of the cargo when the highest part of the load on the loading platform exceeding the height of the roof of the operator’s seat).
  • (2) The worker set forth in item (ii) of the preceding paragraph shall carry out the matters listed in the same item.
Article 151-74 (Wearing of a Safety Helmet)
  • (1) The employer shall, when carrying out the work loading cargoes on truck having the maximum loading capacity of 5 tons or more (including the work roping and sheeting) or unloading cargoes from a truck having the maximum loading capacity of 5 tons or more (including the work unroping and unsheeting), have the worker engaging in the said work wear a safety helmet in order to prevent workers from dangers due to falling.
  • (2) The worker engaging in the work set forth in the preceding paragraph shall wear the safety helmet set forth in the same paragraph.
Article 151-75 (Checkup)
  • (1) The employer shall, when carrying out the work using a truck, check the following matters before commencing the work for the day:
    • (i) Functions of a braking device and a controlling device.
    • (ii) Functions of a cargo handling device and a hydraulic system.
    • (iii) Abnormalities in a wheel.
    • (iv) Functions of front and rear lamps, a direction indicator and an alarming horn.
Article 151-76 (Repair, etc.)
  • having carried out the checkup set forth in the preceding Article, immediately repair or take other necessary measures.

Section 2 Conveyor

Article 151-77 (Prevention of Uncontrolled Flow, etc.)
  • (1) The employer shall, as regards a conveyor (excluding a flow-conveyor, a screw-conveyor, liquid-conveyor and pneumatic slide; the same shall apply hereinafter), not use the one without devices designed to prevent uncontrolled flow or back flow of loads or buckets due to power failure, voltage drop, etc., (referred to “uncontrolled flow breaker” in Article 151-82). However, this shall not apply to when the conveyor used exclusively in a horizontal condition and when it is unlikely to cause dangers to the other workers .
Article 151-78 (Emergency Stop Device)
  • (1) The employer shall, as regards a conveyor, when it is liable to cause dangers to workers due to a part of a body of a worker caught in, etc., provide a device enabling stop immediately the operation of a conveyor in an emergency (referred to “emergency stop device” in Article 151-82).
Article 151-79 (Prevention of Falling of Loads)
  • (1) The employer shall, when it is liable to cause dangers to workers due to falling of loads from a conveyor, take such measures as providing a cover or an enclosure for the said conveyor, etc., in order to prevent loads from falling.
Article 151-80 (Trolley Conveyor)
  • (1) The employer shall, as regards a trolley conveyor, not use the one unless a trolley, a chain and a hanger are connected each other securely so as not to be disengaged easily.
Article 151-81 (Restriction of Riding)
  • (1) The employer shall not allow a worker to ride on a conveyor during operation. However, this shall not apply to the conveyor constructed for transporting workers in the case where measures are taken to prevent workers from dangers due to falling or contacting, etc..
  • (2) A worker shall not ride on a conveyor during operation excluding the case set forth in the proviso of the preceding paragraph.
Article 151-82 (Checkup)
  • (1) The employer shall, when carrying out the work using a conveyor, check the following matters before commencing the work for the day:
    • (i) Functions of a prime mover and a pulley.
    • (ii) Functions of an uncontrolled flow breaker.
    • (iii) Functions of an emergency stop device.
    • (iv) Abnormalities in a cover, an enclosure, etc. of a prime mover, a rotating shaft, a gear, a pulley, etc.
Article 151-83 (Repair, etc.)
  • (1) The employer shall, when having found any abnormalities in the case when having carried out the checkup set forth in the preceding Article, immediately repair or take other necessary measures.

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