CAP. 59]
Factories and Industrial Undertakings (Abrasive Wheels) Regulations
[1975 Ed.
[Subsidiary]
Selection of abrasive wheels.
Machine controls.
Rest.
Warning notice.
Condition of floors.
(b) in the case of a wheel of more than 300 millimetres but not exceeding 750 millimetres in diameter, be of a diameter equal to at least the diameter of the wheel less 150 millimetres; and
(c) in the case of a wheel of more than 750 millimetres in diameter, be of a diameter equal to at least the diameter of the wheel less 200 millimetres.
11. All practicable steps shall be taken to ensure that any abrasive wheel used is suitable for the work for which it is used to the extent necessary to reduce the risk of injury to employees.
12. No abrasive wheel shall be used in a machine unless the machine is provided with an efficient device for starting and cutting off the power to the machine and the control of the device shall be in such a position and of such design and construction as to be readily and conveniently operated by the person operating the machine.
13. (1) Where at an abrasive wheel there is a rest for supporting a workpiece, that rest shall at all times while the wheel is in motion be properly secured and adjusted so as to be as close as practicable to the exposed part of the abrasive wheel.
(2) Every rest shall be of substantial construction and properly maintained.
14. A warning notice, in English and Chinese and in a form approved by the Commissioner, concerning the dangers arising from the use of abrasive wheels and the precautions to be observed shall be affixed in every room in which grinding or cutting by means of abrasive wheels is ordinarily carried out, or, where such grinding or cutting is not ordinarily carried out in a room, at a place and in such a position where it may be easily read by employees.
15. (1) The floor immediately surrounding every fixed machine on which an abrasive wheel is, or is intended to be, mounted shall be maintained in good and even condition and shall, so far as practicable, be kept clear of loose material and prevented from becoming slippery.
(2) All reasonably practicable steps shall be taken to ensure that the floor of any room or place in which any portable machine on which an abrasive wheel is mounted is in good and even condition, is kept clear of loose material and is prevented from becoming slippery.