CGA B149.1 : 0

Foreword
1. Scope
2. Definitions, abbreviations and reference publications
   2.1 Definitions
   2.2 Abbreviations
   2.3 Reference publications
3. General
   3.1 Application
   3.2 Approval of appliances, accessories, components,
        equipment and material
   3.3 Responsibilities of the installer
   3.4 Training and quality of labour
   3.5 Suitability of use
   3.6 Meter/regulator/service installations
   3.7 Electrical connections and components
   3.8 Mobile homes
   3.9 Hazardous locations
   3.10 Smoking
   3.11 Isolation of safety devices
   3.12 Leak detection
   3.13 Appliance clearances to combustible material
   3.14 Accessibility
   3.15 Outdoor installations
   3.16 Appliances in garages
   3.17 Appliance ductwork connections
   3.18 Combined heating systems
   3.19 Appliances protected by automatic
        fire-extinguishing systems
   3.20 Control of appliances with self-energized pilots
   3.21 Defective heat exchanges
   3.22 High altitude installations
   3.23 Protection of appliances from physical damage
4. Pressure controls
   4.1 Pressure inside buildings
   4.2 Pressure regulators
   4.3 Line relief devices
   4.4 Reserved
   4.5 Venting of pressure control devices
   4.6 Appliance and pilot pressure regulators
5. Piping and tubing systems, hose, and fittings
   5.1 General
   5.2 Material
   5.3 Size
   5.4 Volume of gas to be used for sizing piping
        and tubing systems
   5.5 Allowable pressure and pressure drop
   5.6 Extensions
   5.7 Location
   5.8 Piping practices
   5.9 Joints and connections
   5.10 Branch piping outlets
   5.11 Appliance connections
   5.12 Piping outlets
   5.13 Drip and dirt pockets
   5.14 Prohibited practices
   5.15 Underground piping and tubing
   5.16 Protection of piping and tubing
   5.17 Identification of piping or tubing
   5.18 Manual shut-off valves
   5.19 Manual reset valves
   5.20 Hose and hose fittings
   5.21 Connectors
   5.22 Testing of piping, tubing, hose and fittings
   5.23 Purging of piping and tubing systems and hose
        after leak testing
   5.24 Purging other than that done after leak testing
   5.25 Generations
   5.26 Roof-top gas piping and tubing
   5.27 Inspection
6. Installation of specific types of appliances
   6.1 Boilers
   6.2 Pressure boosters
   6.3 Carbon dioxide generators
   6.4 Commercial type clothes dryers
   6.5 Domestic type clothes dryers
   6.6 Conversions
   6.7 Conversion burners
   6.8 Conversion of warm air furnaces
   6.9 Conversion of ranges
   6.10 Counter appliances
   6.11 Direct vent appliances
   6.12 Furnaces used with cooling units
   6.13 Central furnaces
   6.14 Downflow furnaces
   6.15 Duct furnaces
   6.16 Horizontal furnaces
   6.17 Wall furnaces (recessed heaters)
   6.18 Construction heaters
   6.19 Direct-fired door air heaters
   6.20 Direct-fired make-up air heaters (DFMAH)
   6.21 Infra-red heaters
   6.22 Room heaters
   6.23 Decorative appliances and gas logs
   6.24 Swimming pool heaters
   6.25 Water heaters
   6.26 Unit heaters
   6.27 Hot plates
   6.28 Incinerators
   6.29 Lighting
   6.30 Commercial cooking appliance
   6.31 Residential type ranges
   6.32 Refrigerators
   6.33 Stationary gas engines
7. Venting systems and air supply for appliances
   7.1 General
   7.2 Air supply determination for central heating
        furnaces, boilers, and hot water heaters
   7.3 Air supply openings and ducts
   7.4 Air supply requirements for appliances having
        inputs exceeding 400 000 bruh (120kW)
   7.5 Air supply dampers, louvres and grilles
   7.6 Conditions created by exhaust fans, air supply
        fans, circulating fans, or fireplaces
   7.7 Engineered installations
   7.8 Air supply by mechanical means
   7.9 Appliance venting
   7.10 Methods of venting appliances
   7.11 Vent and chimney requirements
   7.12 Chimneys
   7.13 Vent and chimney sizing
   7.14 Vent and chimney termination
   7.15 Vent and chimney support
   7.16 Vents and chimneys serving two or more appliances
   7.17 Vents outside buildings
   7.18 Vent connectors
   7.19 Chimney connections
   7.20 Size and height of interconnected vent connectors
   7.21 Multi-storey venting
   7.22 Dampers and attachments
   7.23 Draft hoods
   7.24 Venting arrangements
   7.25 Draft regulators
   7.26 Automatic vent damper or automatic flue damper
   7.27 Manual operated flue dampers
   7.28 Installation of draft control devices
   7.29 Induced or forced draft devices
   7.30 Venting of appliances into canopies
   7.31 Heat reclaimers
8. Natural gas compressors
   8.1 Installation of compressors
   8.2 Requirements for cylinders
   8.3 Cylinder filling
   8.4 Cylinders storage
   8.5 Cylinders connected for use
9. Vehicle refuelling appliances without storage
   9.1 Installation
   9.2 Pressure relief devices and other vents/
        vent lines
   9.3 Piping, tubing, and hose
   9.4 Testing of piping, hose and fittings
   9.5 Installation of safety equipment, signs and/or
        symbols
   9.6 Refuelling of vehicles
Appendix A
Appendix B
Appendix C
Appendix D
Appendix E
Appendix F

Applies to the installation of appliances, equipment, components and accessories where gas is to be used for fuel purposes; the installation of piping and tubing systems extending from the termination of the utility installation; and NGV refuelling stations which may be employed for fleet and public dispensing operations.