LESSON 1: Introduction to Gas Fitting 5 hours
LESSON 2: Safety and Installation Practices 10 hours
LESSON 3: General Provisions for Gas Work in Massachusetts 248 CMR 3.00 5 hours
LESSON 4: Education and Experience Requirements for Licensure 248 CMR 11.00 5 hours
LESSON 5: Massachusetts Modifications to Sections of NFPA 54 248 CMR 4.00 & 5.00 20 hours
LESSON 6: Gas Piping System Design, Material and Components 35 hours
LESSON 7: Gas Piping Installation 30 hours


 110 hours




LESSON 1: Introduction to Gas Fitting (5 hours)

  1. History and Characteristics of Fuel Gas
  2. The History of the Discovery and use of Natural Gas
  3. Natural Gas and the Environment
  4. Properties and Characteristics of Fuel Gases
    a. Specific Gravity
    b.Definition and Explanation of British Thermal Unit (BTU)
    c. Natural Gas

     1) What is Natural Gas?
     2) Chemical Composition of Natural Gas  
     3) Adding Odorants to Natural Gas

    d. Liquefied Petroleum Gas (LP)

      1) What is LP Gas
      2) How is LP Gas Obtained?
     3) Chemical Composition of LP Gas
  5. Combustion of Gases
    a. Definition of Combustion
    b. Basic Chemistry of Combustion
    c. Volume of Air Needed for Proper Combustion
    d. Products of Complete Combustion
    e, Incomplete Combustion

     1) Products of Incomplete Combustion
        - Carbon Monoxide
        - Acid Damage to Equipment, Flues and the Chimney System
     2) Cause and Effects
     3) Flame Characteristics
      - Primary and Secondary Air
  6. Development of Local, State and National Codes
  7. Chapter 142 of the Massachusetts General Laws
  8. Functions of the Serving Gas Supplier



LESSON 2: Safety & Installation Practices (10 hours)

Each apprentice must attend and receive an OSHA 10 card through an OSHA certified instructor or program.


LESSON 3: Education and Experience Requirements 248 CMR 3.00 and 11.00 (5 hours)

  1. Scope and Application 11.01
    a. What does 11.00 cover and to whom does it apply.
  2. Education and Experience Requirements for Apprentices and Licensees 11:02

    a. Qualifications for admission to the Journeyman Gasfitters Exam 11.02 (3)

    1) Apprentice Gasfitter Licensed before September 1, 2008
    - Experience
    - Education
    2) Apprentice Gasfitter Licensed on or after September 1, 2008
    - Experience
    - Education
    - Education and work experience done contemporaneous

    b. Qualifications for admission to the Master Gasfitters Exam 11.02 (4)
    1) Experience
    2) Education

    c. Out-of State/Country Licensee Waiver and Equivalency Requirements 11.02 (7)
    d. Unlicensed Practice 11.02 (8)
  3. Application Requirements and Examination Administration 11.03

    a. Application Materials 11.03 (1)
    b. Reasonable Accommodations for Examination 11.03 (2)
    c. Examination Scores 11.03 (3)
    d. Examination Review 11.03 (4)
  4. Mandatory Continuing Education (MCE) Requirements 11.04

    a. General Continuing Education Provisions 11.04 (1)
    b. Requirements for  License Renewal 11.04 (2)
    c. Qualifications for Exemption of the Continuing Education Requirements 11.04 (3)

    - Exemptions
    - Waivers

    d. Failure by a Licensee to Complete Continuing Education Requirements 11.04 (4)
    e. Reinstatement of lapsed/expired/suspended licenses 11.04 (5)
    f. Initial Documentation of  Completion of Continuing Education Requirements 11.04 (6)
    g. Duplicate Continuing Education Certificates 11.04 (7)
    h. Falsification of Continuing Education Certificates 11.04 (8)
  5. Qualifications and Requirements Continuing Education Providers and Educators 11.05

    a. Qualifications and requirements for Continuing Education Providers 11.05 (1)
    b. Instructor Qualifications to Conduct Continuing Education Courses 11.05 (2)
    c. Mandatory Record Keeping Requirements 11.05 (3)
    d. Formats for Providers to offer Continuing Education Courses 11.05 (4)
    e. Expiration and Denial of Board Approval 11.05 (5)
    f. Course Material 11.05 (6)
  6. Education Hours and Course Content Requirements 11.06

    a. Board Certification Required 11.06 (1)
    b. Administrative Requirements for Educational Programs 11.06 (2)

    1) Instructor Qualifications
    2) Education Requirements for 550 hour Program
    3) Education Requirements for 330 hour Program
    4) Education Requirements for 220 hour Program
    5) Grandfathering
  7. 248 CMR, Section 3.03 Apprentice Licenses

    a. 3.03 (2) (a) General Provisions
    1. 1. Working as an Apprentice
    2. 3. Apprentice registration form
    3. 6. Retaining W-2 records of employment

b. 3.03 (2) (b) Master’s Duties Regarding Apprentice Licensure

    1. 1. Responsibility to insure Apprentice is compliant
    2. 3. No fees allowed
    3. 5. Apprentice leaving employment of the Master


LESSON 3: General Provisions for Gas Work in Massachusetts 248 CMR 3.00  (5 hours)

  1. 3.04  Product Design and Testing Standards

    a. Product Approvals
    b. Variance
    c. Special Permission
    d. Test Sites
  2. 3.05  Permits and Inspections
    a. Permits

1) Jurisdictions
2) Requirements
3) Permit Termination

b. Inspections

1) What is Required to be Inspected
2) Notification
3) Defective Material and Poor Workmanship

c. Appeal Procedure

   3. 3.06  Grounds for Imposing Disciplinary Sanctions

a. Deceptive Advertising
b. Ethical Standards
c. Conflict of Interest

   4. 3.07 Complaint Handling Process


LESSON 5: Massachusetts Modifications to Sections of NFPA-54  (20 hours)

248 CMR 4.00

  1. 4.01  Scope and Purpose
  2. 4.02  Definitions
  3. 4.03  Adoption of Relevant Codes and Overview of Modifications
    a. Relevant Codes
    b. Rules 1 through 25

248 CMR 5:00

  1. 5.02 Chapter 1

    a. Points of Coverage on Natural and LP Gas Systems
    b. Allowable Gas Pressures
    c. Temporary Heat
    d. Other Standards
  2. 5.03 Chapter 5

    a. Permits and Piping Plans
    b. Diversity Factor
    c. Labeling an Elevated Pressure Piping System
    d. Prohibited Materials
    e. Acceptable  Materials and Joining Methods
    f. 17 Massachusetts Modifications for CSST
    g. Thread Compound Requirements
    h. Gas Shutoff Devices
    i. Consumer Owned Gas Pressure Boosters
  3. 5.04 Chapter 6

    a. Minimum Sizes
    b. Protecting Concealed CSST
  4. 5.05 Chapter 7

    a. Testing and Inspections
    b. Final testing and Inspections
  5. 5.06 Chapter 8

    a. Standard Requirements for Gas Equipment
    b. Direct Vent Appliances
    c. Installation Instructions
    d. Connecting Gas Equipment
    e. Equipment Shutoff Valves and Connections
  6. 5.07 Chapter 9

    a. Combustion Air for Gas Appliances
    b. Decorative Appliances
    c. Industrial Heaters
    d. Food Service Equipment
    e. Room Heaters
    f. Un-vented Room Heaters
    g. Stationary Gas Engines
    h. Gas Fired Kilns
  7. 5.08 Chapter 10

    a. Inspection of Chimneys
  8. 5.09 Chapter 11

    a. Initial Start Up of Industrial Gas Equipment

LESSON 6: Gas Piping System Design, Material, and Components (35 hours)

  1. Piping Plans

    a. New Systems
    b. Additions to Existing Systems
  2. Interconnections Between Gas Piping Systems
  3. Sizing Gas Piping Systems

    a. Factors Used in Sizing
    b. Sizing Methods

    1) Longest Length Method
    2) Branch Method

    c. Sizing Tables
  4. Operating Pressure Limitations

    a. Maximum Operating Pressure (Natural)
    b. Maximum Operating Pressure (LP)
  5. Acceptable Material and Joining Methods

    a. Used Material
    b. Metallic Pipe
    c. Metallic Tubing
    d. CSST

    1) Certification

    e. Plastic Pipe, Tubing and Fittings
    f. Protective Coating
  6. Gas Meters

    a. Location
    b. Supports, Protection and Identification
  7. Gas Pressure Regulators

    a. Where Required
    b. Location, Protection and Identification
    c. Class I and II, Natural and Propane
    d. Venting
  8. Overpressure Protection Devices

    a. General
    b. Devices
    c. Venting
  9. Back Pressure Protection

    a. Devices and Where to Install
  10. Shut Off Valves

LESSON 7: Gas Piping Installation (30 hours)

  1. Underground Piping

    a. Protection Against Damage

    1) Cover Requirements
    2) Trenching and Backfilling

    b. Protection Against Corrosion
    c. Protection Against Freezing
    d. Piping Through a Foundation
    e. Underground Beneath Building
    f. Plastic Piping

    1) Connections
    2) Tracer Wire
  2. Above Ground Piping

    a. Hangers and Supports
    b. Prohibited Locations
  3. Concealed Piping in Buildings

    a. Connections
    b. Piping within Partitions
    c. Piping in Vertical Chases
  4. Drips

    a. Where Necessary
    b. Location
  5. Gas Mixing Machines
  6. Electrical Bonding and Grounding
  7. Electrical Circuits and Connections