Gas Utility Certificate of Qualification Exam

Gas Safety Management - Syllabus for a Gas Utility Certificate Examination

August 2015

1. PREREQUISITES TO OBTAIN A GAS UTILITY CERTIFICATE OF QUALIFICATION

An applicant for a gas utility certificate of qualification must:

  • have successfully completed 2 years of training in utility installations satisfactory to a provincial safety manager;
  • successfully pass the Gas Utility certification exam

2. SCOPE OF THE GAS UTILITY CERTIFICATE OF QUALIFICATION

A gas utility certificate of qualification entitles the holder, while employed by a gas utility and after gas service is interrupted, to do any of the following:

  • relight gas equipment with an input of 120 kW or less;
  • replace thermocouples;
  • make other minor repairs;
  • do safety checks.

3. SUBJECT AREAS OF STUDY

3.1 Safety Standards Act and applicable regulation (6% on Exam)

  • 3.1.1 Certificates of qualification
  • 3.1.2 Individual responsibilities
  • 3.1.3 Requirements for permits
  • 3.1.4 Technical requirements (Codes, Regulation Variations)

3.2 Gas Properties (12% on Exam)

  • 3.2.1 Sources, Contents (Natural & Propane)
  • 3.2.2 Specific Gravity
  • 3.2.3 Flammable Limits
  • 3.2.4 Ignition Temperature
  • 3.2.5 Flame Speed
  • 3.2.6 Toxicity
  • 3.2.7 State (liquid & gaseous)

3.3 Combustion (12% on Exam)

  • 3.3.1 Perfect Combustion
  • 3.3.2 Products of Combustion & Volumes
  • 3.3.3 Air Required
  • 3.3.4 CO
  • 3.3.5 Air (Combustion, excess & dilution)
  • 3.3.6 Flue Gas Analysis

3.4 Regulators (6% on Exam)

  • 3.4.1 Principle of Operation
  • 3.4.2 Types-Service, System, Appliance
  • 3.4.3 Relief & Vents
  • 3.4.4 Sizing
  • 3.4.5 Trouble shooting

3.5 Appliances (11% on Exam)

  • 3.5.1 B.C. Gas Code (B149.1; section 7)
  • 3.5.2 Furnaces
  • 3.5.3 Boilers (Pool Heaters) & HW Heating
  • 3.5.4 Water Heating, Storage & Instantaneous
  • 3.5.5 Conversion from other Fuels
  • 3.5.6 Diagnosing faults

3.6 Combustion Air (5% on Exam)

  • 3.6.1 Principles
  • 3.6.2 Requirements
  • 3.6.3 Sizing

3.7 Venting (4% on Exam)

  • 3.7.1 Purposes
  • 3.7.2 Principles
  • 3.7.3 House as a System
  • 3.7.4 Draft Control
  • 3.7.5 Materials
  • 3.7.6 Direct Vent
  • 3.7.7 Installation
  • 3.7.8 Fan, Forced & Induced
  • 3.7.9 Size requirements
  • 3.7.10 Identify hazards

3.8 Orifice Sizing (6% on Exam)

  • 3.8.1 Principles
  • 3.8.2 Lifting, Flashback & Problems
  • 3.8.3 Orifice Types
  • 3.8.4 Pressure & Orifice
  • 3.8.5 Orifice Tables & Sizing
  • 3.8.6 Input & Output
  • 3.8.7 Converting (Natural to/from Propane)
  • 3.8.8 High Altitude

3.9 Pilot and Burner Operation (12% on Exam)

  • 3.9.1 Electric Valves
  • 3.9.2 Non-electric Valves
  • 3.9.3 Combination Valves
  • 3.9.4 Water Heater Valves
  • 3.9.5 Gas Range Valves
  • 3.9.6 Flame Safeguard Systems & Purpose
  • 3.9.7 Thermocouples
  • 3.9.8 Pilot Generators
  • 3.9.9 Flame Rods
  • 3.9.10 Spark Control Modules
  • 3.9.11 Basic system controls & operational characteristics
  • 3.9.12 Trouble shooting

3.10 Meter Clocking (6% on Exam)

  • 3.10.1 Gas Meter Operation
  • 3.10.2 Metric Meters
  • 3.10.3 Clocking Formula
  • 3.10.4 Clocking Low Pressure
  • 3.10.5 Pressure Correction
  • 3.10.6 Clocking High Pressure

3.11 Electrical (6% on Exam)

  • 3.11.1 Electrical Theory
  • 3.11.2 AC & DC
  • 3.11.3 Magnetism
  • 3.11.4 Circuits, Series & Parallel
  • 3.11.5 Symbols
  • 3.11.6 Diagrams, Schematic & Ladder
  • 3.11.7 Millivolt
  • 3.11.8 Meters & Trouble Shooting
  • 3.11.9 Polarity & Phasing
  • 3.11.10 Single Thermocouples
  • 3.11.11 Pilot Generators
  • 3.11.12 Millivolt Trouble Shooting

3.12 Pipe Systems (8% on Exam)

  • 3.12.1 Related code
  • 3.12.2 Materials (Natural & Propane)
  • 3.12.3 Joining Pipe
  • 3.12.4 Flow & Pressure Drop
  • 3.12.5 Testing
  • 3.12.6 Cathodic Protection
  • 3.12.7 Introduction to tables
  • 3.12.8 Sizing requirements

3.13 Propane Systems (6% on Exam)

  • 3.13.1 B149.2 Code used
  • 3.13.2 Tank location requirements
  • 3.13.3 Regulator type and system design
  • 3.13.4 Vaporizer type & operation
  • 3.13.5 Identification of system hazards
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SYL-GA 106