Page 93 - Safety and health in construction
P. 93
Explosives
(c) conspicuous notices should be posted at points around the area of operations.
16.1.13. Before a borehole is loaded all workers not employed in the blasting
operation should withdraw to a safe place.
16.1.14. Smoking and open flames should not be allowed in the loading area.
16.2. Transport, storage and handling
16.2.1. All explosives supplied to and issued from a magazine should be
accounted for and recorded, and unused explosives should be returned to the same
magazine on the completion of the operation for which they were drawn.
16.2.2. Detonators should be stored or transported separately from the explosives.
16.2.3. Workers storing, transporting or handling explosives or travelling on
vehicles carrying explosives should not smoke or carry open lights.
16.2.4. Road and rail vehicles used to transport explosives should:
(a) be in good condition and running order;
(b) have a tight wooden or non-sparking metal floor;
(c) have sides and ends high enough to prevent the explosives from falling out;
(d) in the case of road vehicles, carry at least two suitable fire extinguishers;
(e) be plainly marked by a red flag, lettering or otherwise to indicate that they are
carrying explosives.
16.2.5. Explosives and detonators should be transported separately from the
magazine to the workplace in their original containers or in special closed containers of
non-sparking metal.
16.2.6. Different types of explosives should not be transported in the same
container.
16.2.7. Containers should be marked to show the type of explosive kept in them.
16.2.8. Explosives should be permanently stored only in magazines which should:
(a) be at a safe distance from occupied buildings or areas;
(b) be substantially constructed, bulletproof and fire-resistant;
(c) be clean, dry, well-ventilated, cool, and protected against frost;
(d) be kept securely locked.
16.2.9. Only flameproof electric lighting equipment should be allowed in
explosives magazines.
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