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CONFINED SPACE

CONFINED SPACE. OVERVIEW. CONFINED SPACES. Is large enough and shaped in a way that allows an employee to enter and perform assigned work. It’s also a space that has limited or restricted means for getting in or out and is not designed for continuous occupancy.

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CONFINED SPACE

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  1. CONFINED SPACE OVERVIEW

  2. CONFINED SPACES • Is large enough and shaped in a way that allows an employee to enter and perform assigned work. It’s also a space that has limited or restricted means for getting in or out and is not designed for continuous occupancy. • Examples: Tanks, storage bins, vessels, silos, hoppers, vaults and pits.

  3. PERMIT REQUIRED CONFINED SPACE • Has or has the potential for one or more of the hazards: • Hazardous atmosphere • Levels of flammable gas, vapor and mist • Airborne combustible dust • Oxygen- below 19.5% or above 23.5% • Engulfment potential • Entrapping design

  4. PROTECTION AGAINST HAZARDS • Post signs or other warnings • Use barriers • Use a written space entry program • Conduct air monitoring to I.D. hazards • State conditions that will make the space acceptable to enter and verify that those conditions will be maintained • Flush and ventilate to eliminate or control the spaces atmospheric hazards

  5. THE PERMIT IDENTIFIES: • The space to be entered • Names of workers authorized to enter the space, attendant and entry supervisor • Hazards of the permit space • results of initial and periodic tests • measures used to isolate the space • Acceptable entry conditions • Equipment to be used in the space • PPE, lighting, ventilating, rescue, etc.. • Rescue and emergency services / phone numbers • Additional permits, i.e. hot work

  6. KEY EMPLOYEES • Authorized entrants - are assigned and trained to work in a permit space • Attendants - are stationed outside the space to maintain contact with and monitor authorized entrants • Entry supervisors - determine if conditions are acceptable for permit space entry, authorize the entry, oversee and stop work

  7. SAFETY TRAINING • Authorized entrants, attendants, and supervisors must “ acquire the understanding, knowledge, and skill necessary for the safe performance of the duties assigned” • Must be trained when assigned to confined space duties, when new hazards appear, or there’s reason to believe that they aren’t following procedures

  8. AUTHORIZED ENTRANTS • Can enter a permit space only after it’s tested and found safe for entry. • Must know: • potential hazards • signs and symptoms - space no longer safe • PPE required • equipment to use and how to use it

  9. ATTENDANTS • Responsible for: • maintaining an accurate count of who’s in the space, monitoring activities inside and outside the space, staying in touch with authorized entrants • keeping unauthorized persons out • ordering evacuation if attendant duties can’t be performed safely • summoning authorized rescue and emergency services

  10. ENTRY SUPERVISOR • Must make sure permit requirements are completed before signing the permit and allowing entry • Familiar with the space’s hazards • Terminating the entry and canceling the permit when the task is completed or conditions arise that are not safe

  11. PERMIT - REQUIRED CONFINED SPACE: • Hazardous Atmosphere • Engulfment Potential • Entrapping Design

  12. PERMIT SPACE TASKS ARE PERFORMED BY: • Authorized Entrants • Attendants • Entry Supervisors • Confined spaces are hazardous, leave the space immediately if you have any hint of problems. If you feel tired, dizzy, nauseous, have trouble breathing or any possible symptom of danger-get out!

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