OSHA Construction Confined Space
Competent Person / Supervisor

This course provides basic safety training to help understand the hazards associated with construction confined spaces, and preventative measures.

Beginner, Intermediate, and Advanced
Course Length: 2 Hours

What you'll learn

  • Introduction to Confined Spaces
  • Hazards
  • Confined Spaces
  • Duties of Entry Supervisor
  • Entry Permits
  • Duties of Employer
  • Preventative Measures

Course Description

This course provides basic safety training to help understand the hazards associated with confined spaces, both physical and atmospheric, and preventative measures against them. The course will include information on protective, monitoring, and testing equipment; safety regulations and why they are in place; and the responsibilities of employers and supervisors in preventing these casualties.

The OSHA Construction Confined Space Entry Competent Person/Supervisor training course consists of content, graphics, audio, self-check questions, and a final exam.

Course Outline

OSHA Construction Confined Space Competent Person/Supervisor Course Outline

About This Course

Course Objectives

Introduction to Confined Spaces

  • Key Terms
  • High Risk Jobs
  • Fatality Statistics – Training and Awareness
  • Fatality Statistics – Causes
  • Applicable Regulations
  • 1926 Subpart AA – Key Updates


  • Oxygen Deficient Environment
  • Oxygen Enriched Environment
  • Hazardous Atmospheres
  • Hazard Classification and Labeling
  • NFPA Labels
  • Configuration Hazards
  • Engulfment Hazards
  • Other Potential Hazards

Confined Spaces

  • Special Considerations – Conditions
  • Special Considerations – Rules

Duties of Entry Supervisor

  • Introduction to the Permit
  • Cancelling and Suspending the Permit
  • Other Supervisor Duties

Entry Permits

  • The Entry Permit

Duties of Employer

Preventative Measures

  • Dilution Ventilation
  • Exhaust Ventilation
  • Monitoring Equipment
  • Personal Protective Equipment
  • Exposure Level Terminology


Additional Resources


Frequently Asked Questions

Who must take this training?

While every worker within a confined space should be competent, this course is geared toward the ultimate and legally bound competent person within a work site: an entry supervisor. At a work site, there may be one or more supervisors, and each supervisor must gain the knowledge and experience necessary to be deemed a competent person.

How often is retraining or recertification required?

The length of time for which the training is valid is determined by OSHA 29 CFR § 1910.146:

(g) Training. (1) The employer shall provide training so that all employees whose work is regulated by this section acquire the understanding, knowledge, and skills necessary for the safe performance of the duties assigned under this section.

(2) Training shall be provided to each affected employee:

(i) Before the employee is first assigned duties under this section;

(ii) Before there is a change in assigned duties;

(iii) Whenever there is a change in permit space operations that presents a hazard about which an employee has not previously been trained;

(iv) Whenever the employer has reason to believe either that there are deviations from the permit space entry procedures required by paragraph (d)(3) of this section or that there are inadequacies in the employee’s knowledge or use of these procedures.

What are the governing regulations?

This online course satisfies the training requirements for the OSHA 29 CFR 1926 Subpart AA Permit-required Confined Spaces Standard, as well as covering topics as outlined in 1926.32(f) “Competent person”.

Navigation Strategies

Beginners: Complete the course in order from beginning to end. Once any topic is completed, you will have full access to it at any time for one year after registration, to use as a resource.

Intermediate/Advanced Users: Use the course as a flexible resource tool to find what you need, whenever you need it. Try the assessment tests first, if you get 80%+ you can move to the next level, if you get less than 80% you should complete the lecture. This gives you a pre and post-assessment score, which can be used to track your skills improvements.

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