California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 7 - General Industry Safety Orders
Group 18 - Explosive Materials
Article 113 - Explosive Materials
Section 5243 - Black Powder Blasting
Universal Citation: 8 CA Code of Regs 5243
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
(a) The use of Black Powder for blasting is not recommended. However, if it is used, the following rules shall be complied with:
(1) Inexperienced persons shall be closely
supervised by a competent person.
(2) The licensed blaster and helper(s) shall
not carry matches or other sources of ignition except when lighting
fuse.
(3) The blasting crew shall
wear shoes with no exposed metal.
(4) All persons not connected with the
loading operations shall be kept at least 500 feet away and the area shall be
roped off if necessary.
(5) Fires
are prohibited within 500 feet of any black powder taken from the magazine for
blasting purposes.
(6) Holes shall
not be loaded while compressors, shovels, trucks, tractors, or sources of
ignition are within 100 feet.
(7)
Only bagged powder shall be used. It shall not be brought from the magazine
until after the holes are sprung and have been cooled.
(8) Black powder shall not be used
underground or for construction blasting.
1. Amendment of section and new NOTE filed 7-11-2003; operative 8-10-2003 (Register 2003, No. 28).
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
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