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Blasting Regulations

Blasting Regulations. Regulatory Requirements for Blasting Operations. Legal Standards. 29 CFR Part 1910 - General Industry 29 CFR Part 1926 - Construction BATF DOT. General Provisions:. General requirements not specifically related to a particular operation or procedure

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Blasting Regulations

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  1. Blasting Regulations Regulatory Requirements for Blasting Operations

  2. Legal Standards • 29 CFR Part 1910 - General Industry • 29 CFR Part 1926 - Construction • BATF • DOT

  3. General Provisions: • General requirements not specifically related to a particular operation or procedure • Usually broad in scope • “Do’s and Don’ts”, “Always and Nevers”

  4. Blaster Qualifications: • Knowledge and Experience • Training • Physical Ability • Evidence of Competency Certified Blaster

  5. Storage of Explosives: • Storage in Magazines • Separate Magazines for Explosives and Detonators • Separation Distances • barricaded • unbarricaded

  6. Transporting Explosives • Requires CDL with Hazmat Endorsement • Proper Placarding • No smoking, etc. • Same vehicle for explosives and detonators may be permitted • Route Plan

  7. Loading Explosives: • No operating equipment within 50 feet of loaded holes • Load only those holes intended to be fired in the next round • Warning signs posted • Check all holes for depth prior to loading

  8. Initiation of Explosives: • Connections from boreholes back to source of firing current • Survey for extraneous electricity • Solid Connecting & Lead wires • EB detonators all the same kind • Proper resistance • Leg wires shunted

  9. Initiation of Explosives - cont: • Only the Blastershall: • be in charge of the blasting machine • connect lead wires to machine • test circuits with Blasting Galvanometers • fire the shot • immediately disconnect lead wires after firing the shot

  10. Firing the Blast: • Code of signals, familiar to everyone, must be posted • Loud warning signal prior to firing the shot • Flagmen posted at every roadway passing through the blasting zone • Blaster must assure safety

  11. Post Blast Inspection: • Disconnect firing line immediately after blast • Allow sufficient time for dispersion of fumes • Blaster must verify all charges have fired before others are allowed into blast area

  12. Misfires: • Exclude all employees from danger zone • No other work except that required to clear the misfire • First attempt is to re-fire the hole • Explosives may be removed by washing out with water if re-fire doesn’t work • All non-electric misfires require 1 hr wait • Misfires handled by Blaster in charge

  13. Personal Protective Equipment: • Hard Hat • Safety Toed Shoes • Reflective Vest • Safety Glasses • Gloves • Hearing Protection

  14. Other Regulated Operations: • Underground Transportation - 1926.903 • Use of Safety Fuse - 1926.907 • Use of Detonating Cord - 1926.908 • Underwater Blasting - 1926.912 • Blasting in Excavation Work Under Compressed Air - 1926.913

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