Blasting

• Pages: 204-214

23 Blasting

23.1. General provisions

23.1.1. Blasting caps, safety fuses, wiring and other blasting

equipment should conform to specifications to be laid down in

national or other official regulations or standards.

23.1.2. Dynamite should not be removed from its original

wrapper until it is being loaded into boreholes.

23.1.3. Detonating fuses, electric blasting caps or caps

properly crimped to safety fuse may be used in wet boreholes.

23.1.4. Detonating fuses or electric blasting caps should be

used in underwater blasting.

23.1.5. Underwater blasting operations should comply with

the requirements of paragraphs 34.4.17 to 34.4.30.

23.1.6. As far as practicable, blasting should be done off shift

or during breaks in the work.

23.1.7. As far as practicable, blasting above ground should be

done in daylight.

23.1.8. If blasting above ground has to be done in the dark,

roadways and pathways should be adequately lighted by artificial

light.

23.1.9. If blasting can endanger workers in another under-

taking:

blasting times should be agreed between the two undertakings;

and

no shot should be fired until a warning has been given to the

other undertaking and acknowledged by it.

23.1.10. Loaded boreholes should not be left unattended after

the end of the shift.

23.1.11. Arrangements should be made for advanced warning

to be given of the approach of any electrical storms.

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