Page 48 - Safety and health in construction

Safety and health in construction

7.4. Cartridge-operated tools

7.4.1. Whenever practicable, a low-velocity tool should be used.

7.4.2. Cartridge-operated tools should have:
(a) a guard or protective shield that cannot be removed without rendering the tool
inoperative;
(b) a device that prevents the tool from firing inadvertently, for example if it is
dropped or while it is being loaded;
(c) a device that prevents the tool from firing if it is not approximately perpendicular
to the working surface;

(d) a device that prevents the tool from firing if the muzzle is not pressed against the
working surface.

7.4.3. The recoil of a cartridge-operated tool should not be capable of injuring
the user.

7.4.4. The noise of the detonation should not be such as to damage hearing.

7.4.5. A cartridge-operated tool, before each occasion of use, should be
inspected to ensure that it is safe to use, and in particular:

(a) that the safety devices are in proper working order;
(b) that the tool is clean;

(c) that all moving parts work easily;
(d) that the barrel is unobstructed.

7.4.6. At intervals recommended by the manufacturer the tool should be
completely dismantled and inspected for wear on the safety devices by a competent
person.

7.4.7. Cartridge-operated tools should only be repaired by the manufacturer or
by competent persons.

7.4.8. Cartridges should not be stored nor cartridge tools operated:
(a) in a place or environment Where these could explode accidentally;
(b) in an explosive atmosphere.

7.4.9. When not required for use, inspection or other purpose, cartridge-operated
tools should be kept in a suitable container that:
(a) is made of suitable material;

(b) is clearly marked to indicate its contents;
(c) is kept locked when not in use;

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