New Jersey Administrative Code
Title 12 - LABOR AND WORKFORCE DEVELOPMENT
Chapter 190 - EXPLOSIVES
Subchapter 7 - USE OF EXPLOSIVES
Section 12:190-7.19 - Inspection after blasting
Current through Register Vol. 56, No. 18, September 16, 2024
(a) Immediately after a blast has been fired, the firing line shall be disconnected from the blasting machine and all blasting lines shall be shunted. When firing from an electric power source in underground blasting, the switches shall be locked in an "Off" or "Open" position and the lightning gap shall be open.
(b) No person shall enter an underground blast area until at least 15 minutes has elapsed after a blast.
(c) The blast site shall be inspected to determine if all charges have been fired before work is resumed.
(d) If explosives or blasting agents are suspected of burning in a blast hole, all persons in the blast area shall move to a safe location and no person shall return to the blast area for at least one hour.