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 3 Railway Equipment and Hand Cart
Subsection 2 Rail Tracks, etc.
Article 196 (Weights of Rails)
- (1) The employer shall conform the weight of a rail to the weight listed in the right column of the following table or more corresponding to the vehicle body weight listed in the left column of the same table:
Vehicle body weight Weight of the rail Less than 5 tons 9 kg 5 tons or more but less than 10 tons 12 kg 10 tons or more but less than 15 tons 15 kg 15 tons or more 22 kg
Article 197 (Joint of Rails)
- (1) The employer shall, as regards joint of rails, fix the rails securely by using joint plates, welding, etc.
Article 198 (Laying Rails)
- (1) The employer shall, as regards laying rails, fix the rails securely on the sleeper, concrete bed, etc., by using rail spikes, metal fixture, etc.
Article 199 (Sleeper)
- (1) The employer shall ensure that the size and intervals of sleepers are appropriate to the vehicle body weight, the condition of bed, etc., in order to stabilize rails.
- (2) The employer shall, as regards sleeper to be used at places where they are susceptible to corrosion or where they are difficult to replace, use sleeper having sufficient durability.
Article 200 (Bed)
- (1) The employer shall, as regards rail tracks of which bed consists of crushed stones, gravel, etc., among rail tracks laid for operating power vehicle with vehicle body weight of 5 tons or more, harden sufficiently the said bed and take measures for draining water well in order to maintain the sleeper and rails safely.
Article 201 (Curved Section)
- (1) The employer shall conform a curved section of rail tracks to the following provisions:
- (i) To have the radius of a curvature of 10 m or more.
- (ii) To maintain an appropriate cant and a slack.
- (iii) To be provided with a guard rail corresponding to the radius of the curvature.
Article 202 (Gradients of Rail Tracks )
- (1) The employer shall, as regards the gradients of rail tracks at the section where a power vehicle is used, set gradient ratio of fifty thousandth or less.
Article 203 (Junction, etc., of Rail Tracks)
- (1) The employer shall equip junction of rail tracks with a point and a frog having secure function and equip the end of the rail tracks with secure wheel stopper.
Article 204 (Anchoring Device)
- (1) The employer shall, when a vehicle is liable to overrun, install an anchoring device.
Article 205 (Clearance Between a Vehicle and a Sidewall, etc.)
- (1) The employer shall, when installing railway equipment inside a tunnel, etc., under construction, provide a clearance of 0.6 m or more between a vehicle and the sidewall or obstacle on either side of the track in order to prevent the dangers of workers who are passing through being hit by vehicles in operation. However, this shall not apply to the case where providing the said clearance is difficult due to the small sectional area of the tunnel, etc., and any of the following measures has been taken:
- (i) To provide a clearly discernible safety zones at appropriate intervals.
- (ii) Not to allow workers entering the place in the traveling direction of vehicle in operation by installing a signaling device, arranging a watcher, etc.
Article 206 (Preventive Measures for a Person Riding on a Vehicle Being Hit)
- (1) The employer shall, when installing railway equipment inside a tunnel, etc., under construction, maintain a necessary distance between a vehicle and a sidewall or the ceiling of the tunnel, etc., and obstacles thereof in order to prevent the person riding on a vehicle from being hit the sidewall or the ceiling of the tunnel, etc., or obstacles thereof. However, this shall not apply to the case that obstacles such as deformed tunnel shoring, etc., by the load of the land, exist and readily-discernible measures have been taken in order to prevent the dangers of person riding on a vehicle being hit the said obstacles in the tunnel, etc.
Article 207 (Signaling Device)
- (1) The employer shall install a signaling device corresponding to the condition of railway equipment.
このページの先頭へ