New Jersey Administrative Code
Title 12 - LABOR AND WORKFORCE DEVELOPMENT
Chapter 190 - EXPLOSIVES
Subchapter 7 - USE OF EXPLOSIVES
Section 12:190-7.13 - Initiation with safety fuse and cap
Current through Register Vol. 56, No. 6, March 18, 2024
(a) The safety fuse shall be in good condition. It shall not be kinked, bent sharply or handled roughly.
(b) Each spool of safety fuse shall be test burned to determine the burning rate. The burning rate shall be posted to assure that all persons using the fuse will know the burning rate.
(c) Blasting caps shall be crimped to the fuse only with a tool designed for that specific purpose. This work shall be performed at a safe location.
(d) Fuses shall be at least 48 inches long.
(e) Fuses shall be ignited with hot-wire lighter, lead spitters, ignitor cord, or other such devices designed for this purpose.
(f) Timing shall be such that the fuse in the last blast hole to fire is burning within the hole before the first blast hole fires.
(g) When cap and fuse are to be lighted, two individuals shall be present. No individual shall light more than 15 individual fires.