Section 296-52-67235. Firing the blast.

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(1) Employee evacuation. The blaster must make sure all employees are out of the blast area before firing a blast.

(2) Guarding entrances. All entrances:

(a) Leading into the blasting area must be carefully guarded.

(b) To any working place where a drift, raise, or other opening is about to hole through must be carefully guarded.

(3) Warning signals. A warning must be given before firing an underground blast. See Table T-1 for signaling requirements.

[Statutory Authority: RCW 49.17.010, [49.17].040, and [49.17].050. WSR 02-03-125, § 296-52-67235, filed 1/23/02, effective 3/1/02.]

RCW 49.17.010, [49.17].040, and [49.17].050. WSR 02-03-125, § 296-52-67235, filed 1/23/02, effective 3/1/02.

                    
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