Confined Space Hazards & Procedures. What you will Learn. What is a Confined Space Hazards of Confined Spaces Basic Entry Requirements. General Requirements. All employees required to enter confined or enclosed spaces must be instructed in: nature of the hazards
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What is a Confined Space
Hazards of Confined Spaces
Basic Entry Requirements
All employees required to enter confined or enclosed spaces must be instructed in:
The employer must comply with any specific regulations that apply to work in dangerous or potentially dangerous areas.
Confined space …
A Permit-required confined space is confined space that has one or more of the following characteristics:
Each Confined Space has different hazards. Hazards can also change with time and usage.
19.5 % is the minimum acceptable oxygen level for work with out an air supplied respirator.
12-14% Respiration increases. Poor judgment.
10-12% Lips blue Mental Confusion
8-10% Fainting & Nausea
6-8% Causes Death
Reduction of oxygen in a confined space may be the result of either consumption or displacement.
Oxygen level above 21%.
Corrosive atmospheres can be not only a respiratory problems but also cause skin exposure reactions and damage to your nervous system though skin absorption or breathing.
Examples of Corrosives
The use and shape of a space can create hazardous conditions
Use retrieval & fall protection when possible
Some confined spaces have unguarded mechanical equipment such as:
All equipment must be Locked and Tagged before entry
Electric Shock is a possible hazard in Confined Spaces
Hazard Sources include:
High and Low Temperatures are Hazards
Wearing Protective clothing can increase the heat stress on a worker
Factors affecting worker comfort:
Engulfment is the entrapment of a person by the contents of a space
Completely empty the contents before entry
Use retrieval and fall arrest equipment to prevent sinking into contents of a space.
Noise creates a hazard by
Eliminate noise sources prior to entry
Use proper hearing protection
Slippery, Wet or Damp Surfaces
All entrants, supervisors and entry attendants must be fully qualified
1. Conduct Pre-Entry Briefing
2. Assemble and check equipment
3. Establish Acceptable Entry Conditions
4. Conduct initial air sampling
5. Execute & Complete Entry Permit
6. Station Entry Attendant
7. Establish Monitoring of Atmosphere
8. Establish Communication
9. Execute Hot Work Permit if applicable
10.Post Confined Space Entry Permit
11. Enter Space
12. Post–entry debrief if problems were encountered
Verify presence of safe work atmosphere.
All persons involved in Permit Required Confined Space Entry must be qualified:
Confined Spaces are Dangerous Places – Know how to control or eliminate hazards