Facility Operating Engineer - Second Class

ASOPE® offers an opportunity to obtain a Facility Operating Engineer - Second Class license. A list of qualifications that are required to receive your Facility Operating Engineer - Second Class license are outlined below. Requirements include a minimum age of 19 years, a high school diploma (or GED equivalent), and one year minimum experience in the field operating engineer sector at this level. 

If all qualifications are met, you will be required to schedule an exam. The exam consists of a wide range of curriculum including, but not limited to, intermediate heat transfer and fluid flow, boiler and steam system operation, and basic steam turbine types and operation. Upon completion of the Facility Operating Engineer - Second Class license exam, an ASOPE® representative will notify of a "pass" or "fail" status. If failed, you will be offered additional opportunities to retake the exam. Please review our Failed Test Procedures to learn more.

If you have any questions or concerns regarding the Facility Operating Engineer - Second Class license, please contact the ASOPE® national office.


  • Minimum age - 19
  • Education - High School Diploma, GED or Equivalent
  • Experience - One year 
  • Note: One year time in grade as a Facility Operating Engineer 2nd class may be used for the 2 years experience for the Power Plant Operating Engineer 3rd class
  • Minimum time in previous grade - One year
  • Maximum Boiler Size (Unsupervised) HP - 700 BHP / LP - Unlimited BHP
  • Maximum Refrigeration or Air Conditioning (Unsupervised) - 2000 ton

Curriculum at the Minimum:

  • Intermediate Mathematics
  • Intermediate Electrical Theory AC and DC and Electrical Equipment
  • AC and DC Motors
  • Intermediate Heat Transfer and Fluid Flow
  • Advanced Combustion Theory
  • High Pressure and Low Pressure Boilers Types and Construction
  • High and Low Pressure Boiler Safety Fixtures
  • Gas and Oil Fuel Systems Maintenance and Operation
  • Boiler and Steam System Operation
  • Advanced Burner Safety and Operating Control Systems
  • Boiler Inspection and Maintenance
  • Steam and Hydronic Systems
  • Boiler Water and Feedwater Treatment
  • Facility Potable, Cooling and Make-up Water Systems Piping and Valves
  • Facility Boiler Auxiliary Systems
  • Basic Steam Turbine types and Operation
  • Steam Plant Accessories
  • Steam Heat Exchangers and Condensers
  • Pump Types and Operation
  • Facility Plant Thermal Efficiency
  • Facility Intermediate Building Heating and Cooling Systems
  • Facility Refrigeration Systems
  • Air Compressors
  • Facility Pneumatic and Electrical Controls Operation and Maintenance
  • Facility Air Pollution and Ecology
  • Facility Plant Safety
  • Facility Maintenance Management Systems