Confined Space Gas Free
 Course Length: 16hrs | CFR Reference: NFPA 306; 29 CFR 1915 Subpart B; Best Safe Work Practices

During the Confined Space Gas Free training session, your duties conducting atmospheric testing are outlined as well as the possible hazards that can occur in a confined space.

Shipyard competent person is a required certification under OSHA to be able to perform specific functions. A Shipyard competent person is the only person that can perform confined space testing other than a marine chemist or Certified Industrial Hygienist certified person. This course covers all the necessary information as required by OSHA regulations. 

Only the Employer’s Company can designate an employee as a Shipyard “Competent” person. Safety Management Systems provides the following training in order for the employer to meet that goal. 

Upon completion of Confined Space Gas-Free training, the student will be familiar with:

Written Exam 
Written and hands-on competency will be evaluated at the end of each course. Incorrectly answered questions will be reviewed with student to ensure understanding before completion of course.


  • Hazard Description and Recognition

  • Relevant terms, fire and explosion theory, relevant chemistry (including concepts of flash points, explosive range, the role of oxygen, classification of fuels and solvent vapor pressure)

  • Toxicity resources, guidance and standards: OSHA maritime standards

  • SDS information and skills

  • Hazard Evaluation and Measurement 

  • Instrumentation, theory, operation, maintenance, calibration, limitation of testing equipment 

  • Preparation for and the execution of shipboard confined space testing

  • Hazard Prevention, Control and Elimination 

  • Regulations: Scope and application of OSHA 1915 and NFPA 306

  • The responsibilities and interaction of the competent person and NFPA certificated Marine Chemist

  • Control of ignition sources

  • Ventilation theory and application

  • Key aspects of respiratory protection

  • The fire watch

  • Written competent person records

  • Practical exercises and applications 

  • Practice exercises in testing, recordkeeping and SDS

  • Review of key elements

  • Examination


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