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Spray Booths Follow safe operating instructions

Spray Booths Follow safe operating instructions. Spray-finishing operations. Organic materials Inorganic materials Dispersed form Deposited to coat, treat, or clean . 1a. Spray-finishing deposition. Automatic Manual Electrostatic. 1b. Spray-finishing does not include.

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Spray Booths Follow safe operating instructions

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  1. Spray BoothsFollow safe operating instructions

  2. Spray-finishing operations • Organic materials • Inorganic materials • Dispersed form • Deposited to coat, treat, or clean 1a

  3. Spray-finishing deposition • Automatic • Manual • Electrostatic 1b

  4. Spray-finishing does not include • Metal spraying • Dipping • Flow coating • Roller coating • Self-contained washing systems 1c

  5. Spray booths • Enclose or confine operations • Located per NFPA No 33-1969 2a

  6. Spray booths, rooms • Not needed to spray: • Building exteriors • Fixed tanks • Structures 2b

  7. Spray booths, rooms • Not needed for temporary use of small portable spraying apparatus 2c

  8. Spray booths design and construction • 29 CFR 1910.107 • NFPA No. 33-1969 3a

  9. Spray booths design and construction • Lights • Motors • Electrical • Ignition sources • No combustible construction materials 3b

  10. Spray booths design and construction • Walkways • Baffles • Distribution plates • Overspray collectors 3c

  11. Spray booths design and construction • Wet or water wash • Collecting tanks • Pumps 3d

  12. Spray rooms design and construction • Masonry • Concrete • Noncombustible • Fire doors • Ventilation 4a

  13. Ventilation • 29 CFR 1910.107 • NFPA No. 33-1969 • Inlet ductwork • Exhaust ductwork 5a

  14. Air flow • Adequate air replacement • Adequate air velocity 6a

  15. Air replacement • Replacement air comes in "upstream" or above object being sprayed 6b

  16. Air volume • Dilutes solvent vapor • At least 25% of solvent's LEL 6c

  17. Air flow • Operator "downstream" from object must wear approved respirator 6d

  18. Make-up air • Self-closing doors, dampers, louvers • Filtered air supply • Heating make-up air 7a

  19. Flammable and combustible liquids • 29 CFR 1910.106 • One day, one shift supply • Bulk storage separate • Approved closed containers, piping 8a

  20. Flammable and combustible liquids • Dispense with ventilation • Feed system capacity limits • Hose connection shutoffs • Ground and bond piping 8b

  21. Sprinkler systems, extinguishers • 29 CFR 1910.159 • Clear access to controls • Sprinkler head cleaning • Portable fire extinguishers 9a

  22. Operation and maintenance • Spray in spray areas • Clean from deposits, residues • Non-sparking tools • Remove, dispose of residue • Approved, metal waste cans 10a

  23. Operation and maintenance • Metal lockers • Cleaning solvent flash points • Ventilation during cleaning • Non-hazardous combinations • "No Smoking" signs 10b

  24. Drying • Increased temperature hazards • Maintain ventilation 11a

  25. Electrostatic or powder coating • Safe distance between goods and conductors • Sign showing safe distance • Warning to ground equipment 12a

  26. Organic peroxides • "No Smoking" sign • Non-sparking tools 12b

  27. Automotive undercoating exemptions • Adequate ventilation • No more hazardous than kerosene • Flash point greater than 100 deg. F 13a

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