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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

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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

  • General safety hazards


Hazards of Confined Spaces

  • Toxic

  • Causes

    • Manufacturing process

    • Work activities


Hazards of Confined Spaces

  • Toxic

  • Examples of causes

    • Cleaning

    • Welding/brazing

    • Painting


Hazards of Confined Spaces

  • Flammable/combustible

  • Causes

    • High oxygen level

    • Flammable liquids evaporating

    • Chemical reactions

    • Presence of combustible particles


Hazards of Confined Spaces

  • Irritating or corrosive

  • Causes

    • Presence of corrosive liquids

    • Presence of respiratory irritants


Hazards of Confined Spaces

  • Oxygen-deficient

  • Causes

    • Consumption of oxygen

    • Displacement of oxygen


General Safety Hazards

  • Mechanical hazards

  • Physical hazards

  • Heat, noise & vibration


Regulatory Requirements for Entry

  • 29 CFR 1910.146 (federal reg)

  • Title 8 CCR Section 5156-5158 (state reg)


Regulatory Requirements

  • “Confined”

    • Large enough to enter

    • Limited means of entry/exit

    • Not designed for continuous occupancy


General Entry Requirements

  • Test and monitor atmosphere

  • Evaluate any indications of hazard

  • Implement measures to protect entrants


Permit-Required Confined Space Entry

  • Have known/suspected hazards

  • Entrants face increased risk

    • Entrapment

    • Engulfment

    • Hazardous atmospheres


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

  • Workplace must have written plan


Entry Procedures


Employer Policies


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