Confined Space Entry/Attendant

Prerequisites: This course shall have no formal pre-requisite.

Course Length: 4-5 hours – Course length shall vary depending on the number of delegates. Total course time includes breaks.

Class Size: The maximum number of delegates that may be trained and tested per instructor shall be thirty-five (35) in the classroom session and twenty (20) in the practical session. A second instructor shall be added for the practical session once the participation exceeds twenty (20) and exercises will be divided into groups.

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Course Objective

  • Provide delegates assigned to confined space duties the necessary skills to safely perform their jobs.
  • Identify the characteristics of a confined space.
  • Describe the basic hazard categories associated with confined space.
  • Determine the elements of a confined space program.
  • Identify and describe the primary roles of authorized entrants, attendants, supervisor, and designated rescue team/services.
  • Delegates should be able to demonstrate the necessary skills during practical examination and demonstrate knowledge during written examination.

Course Design

  • Power Point© / Lecture / Audio Video / Visual Aids
  • Demonstrations
  • Practical Exercises

Successful Course Completion

  • Requires a minimum score of 75% or better.
  • Delegates will have no more than thirty (30) minutes to complete the exam.
  • Grades shall be calculated by dividing the number of questions answered correctly by the total number of exam questions.
  • Successful completion of practical session is mandatory.

Course Content Summary

  • Classroom
  • Practical’s

Breaks: 10 minutes (approximately every hour)

Lunch: 1 Hour (if applicable)

Course Outline
About Confined Spaces

  • OSHA/NIOSH Statistics
  • What is a Confined Space?
  • What is a Permit-Required Confined Space?
  • Common Examples of a Confined Space

Responsibilities of Personnel

  • Competent Persons
    • Entrant
    • Attendant
    • Rescue
    • Entry Supervisor
  • Roles and Responsibilities of Personnel

Confined Space Entry

  • Entry Requirements
  • Entry Permit Requirements/Completion
    • Employer Responsibilities
    • Permit Requirements
  • Hazard Communication
  • Hazard Evaluation
  • Pre-Job Safety Planning
  • Entry Permit Close Out
    • Routine
    • Emergency
  • What Constitutes Entry?
  • Confined Space Hazards
    • Atmospheric
    • Physical

Atmospheric Hazards

  • Breathing Air Composition
  • Oxygen Levels
    • Asphyxiation
  • Effects of Oxygen Deficiency
  • What Causes Oxygen Deficient Atmosphere?
  • What Causes Oxygen Enriched Atmosphere?
  • Other Hazards
  • Toxic Contaminants
  • How much is Hazardous?
    • Permissible Exposure Limit (PEL)
    • Threshold Limit Value (TLV)
      • Time Weighted Average (TWA)
      • Short Term Exposure Limit (STEL)
      • Exposure Ceiling
  • Common Hazardous Gases Found in Confined Spaces
  • Acute/Chronic Symptoms
  • Flammability
    • Explosions
    • Explosion Mixture
    • Flash Point
    • Upper Explosive Limit (UEL)
    • Lower Explosive Limit (LEL)
  • LEL Requirements (OSHA)
  • UEL/LEL Examples
  • Causes of Flammable Atmospheres
  • Fire Ignition
  • Safety Data Sheets (SDS)
    • Components of SDS
    • Sections of SDS

Atmospheric Hazard Protection

  • Control Measures
    • Engineering Controls
    • Administrative Controls
    • Personal Protective Equipment (PPE)
  • Types of Respirators
    • Air Purifying Respirator (APR)
    • Supplied Air Respirator (SAR)
      • Atmospheric Supplied
      • Self-Contained Breathing Apparatus (SCBA)
      • Cascade Systems
      • Escape Packs
  • Respirator Fit Testing
    • Quantitative
    • Qualitative
  • Respirator Usage
  • Respirator Inspection
  • Respirator Maintenance
  • Respirator Donning/Doffing
  • Respirator Storage
  • Air Monitors
    • Requirements
    • Personal Detectors
    • User Responsibility
  • Air Sampling in a Confined Space
    • Stratification

Physical Hazards

  • Common Physical Hazards
    • Engulfment
    • Entrapment/Entanglement
    • Potential Energy
    • Electrical
    • Pressure
    • Momentum/Gravity
    • Residual/Stored
  • Protective Measures for Each Hazard

Worker Introduced Hazards

  • Common Examples
  • External Hazards

Confined Space Safety

  • Isolating the Space
  • Clearing the Space
  • Ventilation
  • Types of Ventilation
    • Natural
    • Mechanical Supply
    • Mechanical Exhausting
  • Ventilation Factors
  • Supply Ventilation Directions
  • Exhaust Ventilation Directions
  • Proper Ventilation Techniques

Practical Session
Practical training shall utilize a confined space simulator and other safety equipment.
Practical shall verify the following:

  • Properly select and wear appropriate PPE during practical training
  • Conduct proper pre-use inspection of PPE and equipment
  • Effectively communicate amongst Entrant, Attendant, & Rescue Team
  • Effectively monitor and control air quality
  • Ability to safely perform work in a confined space environment
  • Properly secure life lines
  • Use Tri-Pod/Winch and other rescue equipment
  • Ability to properly store equipment and PPE

Training Center Provided Material

  • PPE
  • Confined Space Equipment

Delegate Requirements

  • Must possess good physical health as the practical training is physical demanding.

Reference Material / Documents
OSHA 29 CFR 1910.146
OSHA 29 CFR 1910.134

  • Course ID #: MA012


Mar 04 2024


7:30 am