Confined Space

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Duration:  6–8 hours (initial), 3–4 hours (refresher)

Target Audience: Authorized entrants, attendants, entry supervisors, and rescue personnel

Regulatory Basis:

• Title 8 CCR § 5157 (Permit-Required Confined Spaces)
• Title 8 CCR § 5158 (Other Confined Space Operations)
• Title 8 CCR § 3203 (Injury and Illness Prevention Program – training)

Learning Objective:
Ensure employees can identify confined spaces, recognize hazards, safely perform entry operations, and comply with Cal/OSHA permit requirements.

• Definition of a confined space:
  • Limited entry/exit
  • Not designed for continuous occupancy
• Examples:
  • Tanks
  • Vaults
  • Silos
  • Manholes
• Overview of incident statistics and common fatalities

• Differences between:
  • Confined Space
  • Permit-Required Confined Space (PRCS)
• Employer responsibilities under §5157
• Written confined space program requirement
• Roles and responsibilities:
  • Authorized Entrant
  • Attendant
  • Entry Supervisor

• Atmospheric hazards:
  • Oxygen deficiency/enrichment
  • Toxic gases (e.g., hydrogen sulfide, carbon monoxide)
  • Flammable atmospheres
• Physical hazards:
  • Engulfment
  • Mechanical hazards
  • Electrical hazards
• Environmental hazards:
  • Heat stress
  • Noise

• Importance of air monitoring
• Testing sequence:
  1. Oxygen
  2. Flammable gases
  3. Toxic contaminants

• Use of gas detectors:
  • Calibration (bump testing awareness)
  • Continuous monitoring requirements

• Elements of a confined space entry permit:
  • Hazard identification
  • Control measures
  • Authorized personnel
• Permit authorization and duration
• Permit cancellation procedures

• Entry permits (how to complete and verify)
• Lockout/tagout procedures
• Ventilation techniques
• Isolation of hazards
• PPE requirements:
  • Respirators
  • Harnesses and retrieval systems

• Authorized entrant
• Attendant
• Entry supervisor
• Rescue team
• Communication protocols

• Types of rescue:
  • Non-entry rescue
  • Entry rescue
• Rescue planning requirements
• Emergency equipment:
  • Tripods, winches
• First aid/CPR basics
• Incident reporting

• Oxygen-deficient environments
• Immediately Dangerous to Life or Health (IDLH) atmospheres
• When NOT to use certain respirators
• Emergency escape respirators

• Written test or quiz
• Skills demonstration
• Course evaluation
• Certificate of completion