Subchapter 7. General Industry Safety Orders
Group 18. Explosives and Pyrotechnics
Article 113. Explosives and Pyrotechnics

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§5245. Electric Detonation of Explosives During Lightning and Dust Storms.
(a) Upon the approach of a lightning or dust storm, blasting operations shall be stopped and all persons in the blast area withdrawn to a safe location.

(b) Provisions shall be made for warning crews when an electric or dust storm approaches.

(c) In underground operations using electrical blasting systems, instrumentation to determine the presence of a lightning and dust storm within 15 miles of the portal and means to signal the heading shall be provided.

NOTE

Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.

HISTORY

1. Amendment of section heading and section and new Note filed 7-11-2003; operative 8-10-2003 (Register 2003, No. 28).

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