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 X Passage, Scaffolding, etc.
Section 2 Scaffolding
Sub-section 5 Hanging Scaffolding
Article 574 (Hanging Scaffolding)
- (1) The employer shall, as regards the hanging scaffoldings, not use unless they conform to the following provisions:
- (i) To not use hanging wire ropes falling under any of the following provision:
- (a) Those with10% or more of element wires (excluding filler wires) of which are cut in one strand of wire ropes.
- (b) Those with reduction ratio of a diameter exceeding 7% of the nominal diameter.
- (c) Those with kink.
- (d) Those with marked deformation or corrosion.
- (ii) To not use hanging chains falling under any of the following provision:
- (a) Those with the elongation exceeding 5% of the original length at the time of manufacture.
- (b) Those with a reduction ratio of a diameter of links of the said hanging chains exceeding 10% of the original diameter of the said links at the time of manufacture.
- (c) Those with cracks.
- (iii) Not to use hanging steel wires and hanging steel belts with marked damage, deformation or corrosion.
- (iv) Not to use hanging fiber ropes falling under any of the following provision:
- (a) Those with cut strand
- (b) Those with marked damage or corrosion
- (v) To fasten securely one end of hanging wire ropes, hanging chains, hanging steel wires, hanging steel belts or hanging fiber ropes to the scaffolding girder, stirrup, etc., and other end to projected girders, anchor bolts, girders of building, etc.
- (vi) The working floor to be with width of 40 cm or more, and without clearance between floor boards.
- (vii) To fasten the floor materials to the scaffolding girder, stirrup, etc., in order to prevent them from displacing or coming off.
- (viii) To take measures in order to prevent movement or displacement such as providing of stays to the scaffolding girders, stirrups, working floors, etc.
- (ix) For shelf scaffoldings, to connect or fasten securely the jointing portions and crossing portions of girders with steel wires, couplings or clamps.
- (i) To not use hanging wire ropes falling under any of the following provision:
- (2) The provision of item (vi) of the preceding paragraph shall not apply to the case that measures are taken to prevent dangers to workers due to fall or falling objects such as installing a net or a sheet under the working floor or beside the working floor.
Article 575 (Prohibition of Work)
- (1) The employer shall not allow workers to use a stepladder, a ladder, etc., on hanging scaffolding.
このページの先頭へ