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Subchapter 7. General Industry Safety Orders
Group 18. Explosives and Pyrotechnics
Article 121. Snow Avalanche Blasting

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§5351. Snow Avalanche Blasting Crew.

(a) The employer shall ensure that activities of all avalanche blasting crews shall be approved, managed, and coordinated by an avalanche control coordinator, who is a licensed avalanche blaster pursuant to Section 344.20.

(b) The employer shall ensure that each avalanche blasting crew shall have a designated "blaster in charge," who is a licensed avalanche blaster pursuant to Section 344.20.

(c) The blaster in charge shall be responsible for all phases of preparation, coordination, and placement of charges by the avalanche blasting crew.

(d) Each avalanche blasting crew shall consist of at least one licensed avalanche blaster and at least one trained assistant or a blaster in training. (e) Personnel in training shall only participate in the handling and use of explosives when authorized and under the direct supervision of a licensed avalanche blaster.

(f) The employer shall ensure that all members of the avalanche blasting crew are competent ski mountaineers in good physical and mental condition.

(g) Constant communication shall be maintained during avalanche control activities as follows:

(1) All crewmembers shall maintain voice communication with other members of the avalanche blasting crew;

(2) All crewmembers shall maintain visual contact or awareness of physical location of crewmembers at all times;

(3) All crewmembers shall be equipped for continuous two-way communications with the avalanche control coordinator.

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


1. New section filed 10-10-2007; operative 11-9-2007 (Register 2007, No. 41).

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