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 4 Winching System
Article 215 (Brake of a Winching System)
- (1) The employer shall equip a winching system with a brake enabling stop promptly a vehicle in the case that the vehicle is applied the maximum load and maintaining the stopped state of the vehicle.
Article 216 (Wire Rope)
- (1) The employer shall not use a wire rope to be used on a winching system unless otherwise prescribed as follows:
- (i) To have the safety coefficient of a wire rope shall be 6 or more (10 or more for a wire rope to be used for a worker carrier). In this case, the safety coefficient shall be the value obtained by dividing the value of the breaking load of the wire rope with the maximum value of the load applied on to the said wire rope;
- (ii) To be fixed to vehicles by secure method such as using links.
Article 217 (Prohibition of the Use of an Inadequate Wire Rope)
- (1) The employer shall not use a wire rope falling under any of the following item for a winching system:
- (i) Those with 10% or more element wires cut in one strand;
- (ii) Those with the reduction ratio of a diameter exceeding 7% of the nominal diameter;
- (iii) Those with kink;
- (iv) Those with marked deformation or corrosion.
Article 218 (Depth Indicator)
- (1) The employer shall, in the case of using worker carrier on an inclined pit line and when it is difficult for the operator of the winch to confirm the position of the worker carrier, equip the said winch with a depth indicator enabling the operator to readily confirm the position of the worker carrier.
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