- (a) If a misfire is found, the blaster shall provide proper safeguards for excluding all employees from the danger zone. Misfires shall be reported to the supervisor immediately.
- (b) No other work shall be done except that necessary to remove the hazard of the misfire and only those employees necessary to do the work shall remain in the danger zone.
- (c) No attempt shall be made to extract explosives from any charges or misfired hole; a new primer shall be put in and the hole reblasted. If refiring of the misfired hole presents a hazard, the explosives may be removed by washing out with water or, where the misfire is under water, blown out with air.
- (d) If there are any misfires while using cap and fuse, all employees shall remain away from the charge for at least 1 hour.
- (e) If there are any misfires using other non-electric detonators (that is other than cap and fuse) or using electric detonators, all personnel shall stay out of the blast site for at least 30 minutes.
- (f) Misfires shall be handled under the direction of the person in charge of the blasting. All wires shall be carefully traced and a search made for unexploded charges.
- (g) No drilling, digging, or picking shall be permitted until all missed holes have been detonated or the authorized representative has approved that work can proceed.
Added at 13 Ok Reg 1111, eff 1-11-96 (emergency)
Added at 13 Ok Reg 3499, eff 8-26-96