Steam Systems & Boilers

A study guide for the Minnesota Boiler Exam

MN statutes

  • 183.501-licensing requirements
  • 326B.95-Definitions

National Board Inspection Codes:

  • Part 3, Section 9-Boiler/Pressure vessel safe & satisfactory operating condition

MN Boiler/Pressure Vessels Engineering Standards establishments:

  • MN Rules 5225
  • ASME Code
  • National Board Inspection Code
  • NFPA 85 (National Fire Protection Assoc.-Boiler & Combustion Systems Hazard Code)

Books:

  • ‘Steam Plant Operation’,  by Woodruff & Lammers
  • ‘Stationary Engineering’, by Steingress, Frost, & Walker
  • Also:
    • ‘Safe Boiler Operation Fundamentals’, by ATP
    • ‘Low Pressure Boilers’, by Steingress
    • ‘High Pressure Boilers’, by Steingress & Frost

High Pressure Boilers

  • in excess of 15 PSIG
  • liquid in excess of 160 PSIG
  • Temperature in excess of 250 degrees Fahrenheit
  • All other boilers are Low Pressure

Organizations

  • Minnesota Department of Labor & Industry, Boiler Division
  • National Board of Boiler & Pressure Vessel Inspectors

Acronyms

  • NBIC-National Board Inspection Code
  • PSIG-Pounds per Square Inch Gauge