1973 039 Ordinance - Laserfiche WebLink

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Section 6. Electric blasting caps only shall be used as the detonatingr d- evic s for blasting operations in congested districts, or on highways or adjacent to highways open to traffic. Section 7. Containers of explosives shall not be opened inside a magazine or within fifty (50) feet of a magazine. In opening containers, wooden wedges and either wood fibre or rubber mallets shall be used. DIo metal tools, except brass, shall be used for opening any containers of explosives. Empty container boxes which previously con- tained explosives, shall not be used again for any purpose, but shall be destroyed by burning in the open air. Section 8. No person shall smoke while handling explosives or in the vicin'it~hereof. Section 9. No person shall handle explosives while under the influence intoxicating liquors or narcotics. Section 10. When blasting caps are used, they shall be securely attaoTied to safety fuse with a standard cap crimper. All priming shall be done at least fifty (50) feet from the magazine. Blast- ing caps shall be inserted in the explosives only as required for each round of blasting. Section 11. All drill holes shall be sufficiently large to freely admit t e insertion of the cartridges of explosives. Tamping shall be done only with wooden rods without metal parts. Section 12. No holes shall be loaded except those to be fired at the next round of blasting. After charging, all remaining explosives shall be immediately returned to the magazine. Drilling 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. Section 13. 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 misfired unless it is impossible to detonate the unexploded charge by insertion of a fresh additional primer or by drilling a hole in close proximity and at a safe distance from the unexploded charge. Section 14. If there are any misfires while using cap and fuse, all persons shall remain away from the charge for tcao hours; if electric blasting caps are used, the waiting period may be reduced to thirty (30) minutes: D1i.sfires 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. Section 15. Only the man making wire connections in elec- trical 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 current until the charge is to be fired. -2-