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Second, when the fuse is detonated, an ignition method is applied. If single ignition is required, the number of consecutive shots of one person shall not exceed 5 (group). The length of the fuse should not be shorter than 1.2m.
3. Single operation is strictly prohibited in blasting operations. Before the gun is fired, the adjacent approach and stop personnel must be notified to evacuate to a safe place. When the gunners leave the gun, they must constantly make a secure call.
4. At the time of the second blasting, every entrance to the blasting site must be sent to stand, and the guns are not allowed to be dismissed.
5. After each blasting, from the last shot, it must be 15 minutes before sending someone to enter the work surface to check that there is no abnormal situation and the squad leader approves before allowing the personnel to enter the work surface.
Blasting injury accident prevention countermeasures
First, strictly abide by the "Blasting Safety Regulations". All personnel engaged in blasting work must undergo special training, pass the examination, and hold the blasting operation certificate issued by the local public security department before they can engage in blasting operations.