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Confined Space. Hazmat Industry Technician. Hazards & Risks of Confined Spaces. Confined spaces are everywhere Often cause multiple fatalities. What is “Confined”. Limited or restricted entry and/or exit Not designed for continuous occupancy. Examples. General Hazards. Atmospheric

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confined space

Confined Space

Hazmat Industry Technician

hazards risks of confined spaces
Hazards & Risks of Confined Spaces

Confined spaces are everywhere

Often cause multiple fatalities

what is confined
What is “Confined”
  • Limited or restricted entry and/or exit
  • Not designed for continuous occupancy
general hazards
General Hazards
  • Atmospheric
  • General safety hazards
hazards of confined spaces
Hazards of Confined Spaces
  • Toxic
  • Causes
    • Manufacturing process
    • Work activities
hazards of confined spaces1
Hazards of Confined Spaces
  • Toxic
  • Examples of causes
    • Cleaning
    • Welding/brazing
    • Painting
hazards of confined spaces2
Hazards of Confined Spaces
  • Flammable/combustible
  • Causes
    • High oxygen level
    • Flammable liquids evaporating
    • Chemical reactions
    • Presence of combustible particles
hazards of confined spaces3
Hazards of Confined Spaces
  • Irritating or corrosive
  • Causes
    • Presence of corrosive liquids
    • Presence of respiratory irritants
hazards of confined spaces4
Hazards of Confined Spaces
  • Oxygen-deficient
  • Causes
    • Consumption of oxygen
    • Displacement of oxygen
general safety hazards
General Safety Hazards
  • Mechanical hazards
  • Physical hazards
  • Heat, noise & vibration
regulatory requirements for entry
Regulatory Requirements for Entry
  • 29 CFR 1910.146 (federal reg)
  • Title 8 CCR Section 5156-5158 (state reg)
regulatory requirements
Regulatory Requirements
  • “Confined”
    • Large enough to enter
    • Limited means of entry/exit
    • Not designed for continuous occupancy
general entry requirements
General Entry Requirements
  • Test and monitor atmosphere
  • Evaluate any indications of hazard
  • Implement measures to protect entrants
permit required confined space entry
Permit-Required Confined Space Entry
  • Have known/suspected hazards
  • Entrants face increased risk
    • Entrapment
    • Engulfment
    • Hazardous atmospheres
permit required definition
Permit-Required Definition
  • Contains hazardous atmosphere
  • Contains material that can engulf entrant
  • Configuration can trap entrant
  • Other hazards
    • Machinery, electrical, heat, etc.
entering permit required space
Entering Permit-Required Space
  • Workplace must have written plan
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