This information is provided free of charge by the Department of Industrial Relations
from its web site at www.dir.ca.gov. These regulations are for the
convenience of the user and no representation or warranty is made that the information
is current or accurate. See full disclaimer at http://www.dir.ca.gov/od_pub/disclaimer.html.
Subchapter 7. General Industry Safety Orders
Group 18. Explosives and Pyrotechnics
Article 116. Handling and Use of Explosives--Blasting Operations
§5279. Loading and Blasting Near and Under Power Lines.
(a) When electric initiated blasting under, or near overhead power lines, the
leading wires shall be placed at right angles to such lines and shall be securely
anchored to prevent the blasting circuit conductors from being thrown into the
(b) When blasting under, or near overhead power lines, all loaded holes shall
be covered with a nonconductive blasting mat anchored to prevent the mat or
other material from being blown into the overhead lines.
Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor
1. Amendment of section heading and section and new Note filed 7-11-2003; operative
8-10-2003 (Register 2003, No. 28).
Go Back to Article 116 Table of Contents