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Examples of Confined Spaces
OSHA found many types of
confined spaces be relatively common when analyzing the probable impact
of the permit spaces rule. The examples are grouped by major types
of industries.
Select the category of industry for which you wish to see
examples of typical confined spaces.
Agriculture Services Establishments
- Conveyor Enclosures
- Diked Area Around Storage Tanks
- Spray Tanks
- Tanks
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Oil and Gas Extraction Establishments
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Food and Kindred Products Establishments
- AIR Scrubber
- Batch Cooker
- Bins
- Bleachers
- Boilers
- Caustic Soda Tanks
- Clay Hopper
- Conditioners
- Continuous Cooker
- Conveyor Enclosures
- Crude Oil Tank Cars/Trucks
- Deodorizers
- Desoventizer/Toaster
- Dowtherm Bpilers
- Dust Collectors
- Extractors
- Finished Product Tank Cars/Trucks
- Flour Silos
- H2 Reformer Furnace
- H2SO4 Tanks
- Heated Lard Tanks
- Heated Liquid Sugar Bins
- Holding Bins
- Hoppers
- Hydrogenators
- Kettles
- Meal Bins
- Meal Dryers
- Mixers
- Oil Tanks
- Oilseel Silos and Tanks
- Ovens
- Pipes
- Pits
- Protein Bins
- Sewer Manholes
- Sewers
- Silos
- Starch Dust Collectors
- Steam Biolers
- Tallow Tanks
- Tank Trucks
- Tanks
- Vats
- Vessels
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Tobacco Products Establishments
- Cooling Tower
- Dryer
- Dust Collector
- Electrical Manhole
- Heat/Ventilation Ducts
- Hoppers
- Rotating Drum
- Sanding Drum
- Sewer
- Tank
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Textile Mill Establishments
- A/C Duct Work
- Autoclaves
- Bale Press
- Bleaching Vat
- Chemical Sewer
- Chemical Tanks/Vats
- Conveyor Enclosure
- Drying Oven
- Dust Tunnel
- Dye Beck
- Dye Sewer
- Finishing Frame
- Fuel Tank
- Rope Shaft
- Sizing Tank
- Steam Bioler
- Vat
- Water Baler
- Water Tank
- Water Tower
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Wood Products Establishments
- Boilers
- Conveyor Enclosures
- Dust Collectors
- Dust Vaults
- Tanks
- Water Tanks
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Furniture Manufacturing Establishments
- Boilers
- Conveyor Enclosures
- Dust Bin
- Dust Collector
- Furnace
- Hoppers
- Pit
- Precipitator
- Sewer
- Silo
- Tanks
- Vats
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Paper Products Establishments
- ADHESIVE MIXER
- Adhesive Tanks
- Ash Collection Silo
- Bins
- Bleach Tanks
- Boilers
- Chemical Storage Tanks
- Chip Silos
- Coal Bunkers
- Conveyors
- Cyclone System
- Digesters
- Dust Collectors
- Formaldehyde Tanks
- Furnace
- Hoppers
- Hydrapulpers
- Machine Chests
- Machine Dryers
- Mix Tanks
- Mixers
- Package Boilers
- Precipitators
- Reservoir
- Sewers
- Silos
- Solvent/Ink Bulk Storage
- Solvent Recovery
- Starch Silo
- Tanks
- Pits
- Wells
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Printing and Publishing Establishments
- Air Pollution Equipment
- Boiler
- Ink Tank
- Solvent Tank
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Chemicals and Allied Products Establishments
- Bins
- Boilers
- Cooling Towers
- Cyclones
- Diked Areas
- Dust Collectors
- Fermentors
- Water Tanks/Towers
- Fixed Tanks
- Mixers
- Pits
- Portable Tanks
- Portable Vats
- Precipitators
- Process Vats
- Process Vessels
- Scrubbers
- Sewers
- Silos
- Spray Dryers
- Tank Wagons
- Tanks
- Vats
- Vessels
- Waste Recovery Tanks
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Petroleum Refining Establishments
- Blowing Stills
- Boilers
- Furnaces
- Kettles
- Large Pipes
- Pits
- Silos
- Tanks
- Vaults
- Vessels
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Rubber Products Establishments
- Bins
- Boilers
- Conveyor Enclosure
- Dust Collectors
- Furnaces
- Hoppers
- Mixers
- Ovens
- Shredders
- Silos
- Tanks
- Vats
- Vessels
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Leather Products Establishements
- Process Vessels
- Sludge Pits
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Stone, Clay, Glass and Concrete Establishments
- Aggregate Bins
- Augers
- Bins
- Cement Silos
- Conveyor Enclosures
- Crushers
- Dryers
- Dust Collectors
- Furnaces
- Hoppers
- Mills
- Mixers
- Silos
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Primary Metals Industry Establishments
- Bins
- Blast Furnaces
- Boilers
- Coal Bins
- Coke Bins
- Dust Collectors
- Fume Trails
- Furnaces
- Gas Lines 1' TO 5' Diameter
- Gas Stoves
- Hoppers
- Manholes--Electrical and Water Control
- Pipes
- Pits
- Raw Material Storage Bins
- Rail Tank Cars
- Slag Pits
- Soaking Pits
- Solvent Tanks
- Storage Tanks
- Tanks
- Tunnels
- Vaults
- Water Treatment Tanks
- Wells
-
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Fabricated Metals Products Establishments
- Blast Recovery Pit
- Boilers
- Conveyor Enclosures
- Dikes
- Dust Collectors
- Furnace Vaults
- Furnaces
- Pits
- Precipitators
- Sewers
- Tanks
- Tunnels
- Vats
- Vessels
- Wells
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Machinery (ex. electrical) Manufacturing
- Boilers
- Conveyor Enclosures
- Dust Collectors
- Hoppers
- Pits
- Silos
- Tanks
- Tunnels
- Vaults
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Electrical Equipment Products Establishments
- Air Handler
- Bioler
- Conveyor Enclosure
- Degreaser
- Duct Work
- Dust Collector
- Furnaces
- Gas Cabinet
- Mixer
- Plating/Rinse Tank
- Process Equipment
- Scrubber
- Sewer
- Storage Bin
- Storage Tank
- Tank
- Trench
- Vault
- Well
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Transportation Equipment Manufacturing
- Aircraft Spaces
- Bag Houses
- Bins
- Boilers
- Chimneys/Stacks
- Chip/Coolant Pits
- Closed Tanks
- Communication Vaults
- Conveyor Enclosures
- Degreasers
- Diked Areas
- Dust Collectors
- Equipment Pits
- Furnaces
- Heat Treat Tanks
- Hoppers
- HVAC System
- Mixers
- Open Surface Tanks
- Pipes
- Pits
- Postfueled Wing Tanks
- Precipitators
- Prefueled Wing Tanks
- Sewers
- Silos
- Tanks
- Test Chambers
- Tunnels
- Vats
- Vaults
- Vessels
- Wells
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Instruments and Related Products
- Boiler
- Dryers
- Dust Collector
- Scrubber
- Sewer
- Tanks
- Vats
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Miscellaneous Manufacturing
- Chemical Pits
- Chemical Tanks
- Compacter
- Degreasing Tank
- Diked Areas
- Dust Collector
- Hoppers
- Mixer
- Pits
- Plating Tanks
- Sewers
- Silo
- Tanks
- Vaults
- Waste Collector
- Waste Pits
- Waste Tanks
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Electric, Gas and Sanitary Services
- Bar Screens
- Boilers
- Chambers
- Conveyor Enclosures
- Digesters
- Diked Areas
- Drums
- Dust Collectors
- Hoppers
- Incinerator
- Manholes
- Mixers
- Pipes
- Pits
- Precipitators
- Pump Stations
- Regulators
- Sewers
- Silos
- Sludge Pits
- Tanks
- Tunnels
- Vessels
- Wells
- Wet Wells
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Other Establishments
- Manholes
- Bins
- Dust Collectors
- Head Houses
- Hoppers
- Manure Pits
- Pits
- Silos
- Tanks
- Tank Cars/Trucks
- Boilers
- Water Towers
- Fuel Tanks
- Moving Stair Motor Room
- Sewers
- Water Heaters
- Surge Tanks
- Stacks
- Chimneys
- Washers
- Autoclave
- Incinerator
- Precipitator
- Silo
- Vats
- Vessels
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