#107 Powder Activated Tools

  • Powder-actuated tools (PAT) shall be approved for their intended use as defined, or have California approval numbers.
  • Only trained workers holding a valid operators card may use a PAT.
  • Containers must be lockable and bear a label that says POWDER-ACTUATED TOOL on the outside. The storage container must be kept under lock and key.
  • The PAT must be provided with the following:
    • An operating and service manual
    • A power load and fastener chart
    • An inspection and service record
    • repair and servicing tools
  • Limitations on the use of PATs are as follows:
    • Workers must not leave the tools unattended.
    • Workers must not use the tool:
      • In an explosive enviornment
      • On hard or brittle material
      • On easily penetrated or thin materials or materials of questionable resistance unless backed.
      • Within a 1/2 in. of the edge of steel.
      • Within 3 in. of the edge of masonry.
      • On thin concrete.
      • On spalled areas.
      • On existing holes.
  • Requirements for operating PATs are as noted:
    • Eye or face protection is required for operators and assistants.
    • Operators must inspect the tool before using it.
    • Defective tools must not be used.
    • Tolls must not be loaded until ready for use.
    • Tools must be unloaded ifork is interrupted.
    • Operators must never point a loaded tool or an empty tool at anyone.
    • The tool must be held in place for 30 seconds on misfire.
    • Different power loads must be kept in separate compartments.
    • Warning signs that say Powder-Actuated Tools In Use must be conspicuously displayed within 50 ft. of a PAT operation.
    • Misfires and skipped power changes must be stored and disposed of properly.