1956 541 Ordinance - Laserfiche WebLink

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Sec. 7. Electric blasting caps only shall be used as the deton- ating agent for blasting operations in congested districts, or on highways, or adjacent to highways open to traffic. Sec. 8. Containers of explosives shall not be opened inside a magazine or within fifty feet of a magazine. In opening containers, wooden wedges and either wood fibre or rubber mallets shall be used. No metal tools except brass shall be used for opening any containers of explosives. Empty container boxes trhich previously contained explosives shall. not be used again for any purpose, but shall be destroyed by burning in the -•.. open air. Sec. 9. No person shall smoke while handling explosives or in the vicinity thereof. Sec. 10. No person shall handle explosives wh.i.le under the influence of intoxicating liquors; or narcotics, Sec. ll... Previous to each blasting a proper signal of warning shall be given. .The tra.rning of the blast shall be given by causing a competent man carrying a red flag to be stationed at a reasonable distance from the blast, at each avenue of approach, or point of danger. Sec. 13. TrJ'hen blasting caps are used, they shall be securely attached to safety fuse with a standard cap crimper. All priming shall be done at least fifty feet from the magazine. Blasting caps shall be inserted in the explosives only as required for each round of blasting. Sec. ].!}. All drill holes shall be sufficiently large to freely admit t e~~nsertion of the cartridges of explosives. Tamping shall be done only with wooden rods without metal parts. Sec. 15. Ido holes shall be loaded except those to be fired at the next round of blasting. lifter charging, all remaining explosives shall be ir~nediately returned to the magazine. Dri]ling shall not be started until all remaining butts of old holes are examined with a wooden stick for unexploded charges, and if any are found, same shall be refired before work proceeds. Sec. 16. No person shall be allowed to deepen drill. holes which have contained explosives. Explosives shall not be extracted from a hole that has once been charged or has mi.s-fired unless it is impossible to detonate the unexploded charge by insertion of afresh additional primer or by dri]..l.ing a hole in close proximity and at a safe distance from the unexploded charge© Sec . 17. If there are arty misfires while using cap and fuse, all. persons_s~remain away from the charge for two hours, if electric blasting caps are used the waiting period may be reduced to thirty minutes. Misfires shall be handled under the direction of the person in charge of the blasting and all wires shall be carefully traced and search made for unexploded charges. Sec. 18. Only the man making wire connections in electrical firing shall fire the shot. All connections should be made from the bore hole back to the source of firing current, and the leading wires shall not be connected to the blasting machine or other source of curx•ent until the charge is to be fired.