VISUAL CERTEXAM 3.4.2 CODE
Measure and record inlet and outlet pressures to ensure they are within manufacturers’ specifications and code.
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List the process to purge and re-gasify the system.Describe the purging requirements for piping larger than 4 inch in diameter.Identify the purging procedures for pipe under 4 inch diameter.List the procedures to commission piping and tubing systems.Determine testing requirements including pressure and duration.Describe the information contained on propane tank data plates.Describe propane cylinder markings and requalification requirements.Describe propane cylinder/tank equipment and valves.Describe the types propane storage systems used to supply gas to residential and commercial appliances.Determine piping and tubing support requirements.List the requirements when connecting piping and tubing to the gas utilities meter set.Size piping systems for propane and natural gas.Determine system pressures and maximum allowable pressure drops.
VISUAL CERTEXAM 3.4.2 MANUAL
VISUAL CERTEXAM 3.4.2 INSTALL
Adjust gas pressure regulators to manufacturer and system requirementsģ.5 PIPING THEORY (13% on Exam) 3.5.1 Install Gas Piping and Tubing Systems.Describe the purpose and operation of gas pressure regulators found in residential, commercial and institutional installations.Size regulators based on manufacturer’s documentation and system requirements.State the manufacturer, code and regulatory installation requirements for gas pressure regulators.Identify single-stage and two-stage propane regulators.Describe the installation of vent limiters (restrictors).Describe types of regulators such as service, line and appliance.Determine combustion air supply requirements such as primary, secondary, excess and dilutionģ.4 REGULATORS (6% on Exam) 3.4.1 Regulator Selection and Installation.Describe flue gas analysis and the equipment required.Determine flue gas composition and volumes.Describe the requirements for combustion.Determine the BTU’s required to heat water and air.
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Identify the products of complete combustion.Identify the products of incomplete combustion.Describe Safety Orders, Directives and Bulletinsģ.2 GAS PROPERTIES (5% on Exam) 3.2.1 Properties of Natural Gas and Propaneģ.3 COMBUSTION THEORY (5% on Exam) 3.3.1 Principles and Processes of Combustion.Apply the Safety Standards General Regulation.SUBJECT AREAS OF STUDY 3.1 SAFETY STANDARDS ACT AND REGULATIONS (6% on Exam) 3.1.1 Act, Regulations and Directives an approval mark issued under section 10 of the Act ģ.an appliance with an input of 120 kW or less that displays a label or mark as follows:.SCOPE OF THE CLASS B GAS FITTER CERTIFICATE OF QUALIFICATIONĪ class B gas fitter certificate of qualification entitles the holder to perform the installation or alteration of the following gas systems under an appropriate permit: have an equivalent combination of experience and training acceptable to a provincial safety manager and have attained the standing acceptable to a provincial safety manager in a gas fitting course and examination that have been approved by a provincial safety manager.Ģ.
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