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Blasting Regulations: NCDOT Safety Training

This training presentation covers the regulatory requirements and legal standards for blasting operations conducted by the North Carolina Department of Transportation (NCDOT). It includes information on blaster qualifications, storage and transportation of explosives, initiation of explosives, firing the blast, post-blast inspection, handling misfires, and personal protective equipment. Ensure compliance with NCDOT safety guidelines by keeping your team informed and trained.

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Blasting Regulations: NCDOT Safety Training

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  1. FHM TRAINING TOOLS This training presentation is part of FHM’s commitment to creating and keeping safe workplaces. Be sure to check out all the training programs that are specific to your industry.

  2. Blasting Regulations Regulatory Requirements for NCDOT Blasting Operations

  3. Legal Standards: • 29 CFR Part 1910 - General Industry • 29 CFR Part 1926 - Construction

  4. 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”

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

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

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

  8. 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

  9. 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

  10. Initiation of Explosives (cont’d) Only the Blaster shall: • 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

  11. 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

  12. 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

  13. 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

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

  15. 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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