Spray Booths Follow safe operating instructions

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