1. Scope

1.1
This Code applies to

(a) the installation of appliances, equipment, components, and accessories
where gas is to be used for fuel purposes;
(b) the installation of piping and tubing systems extending from the
termination of the utility installation for natural gas or from the
distributor's propane tank; and
(c) the installation of vehicle-refuelling appliances and associated equipment
meeting the requirements of a general purpose appliance to fill a
natural-gas-fuelled vehicle.

1.2
This Code does not apply to

(a) marine or pipeline terminals;
(b) petroleum refineries;
(c) gas where used as a feedstock in chemical plants;
(d) utility pipeline distribution and transmission pipelines;
(e) storage and handling of liquefied natural gas or underground reservoirs for
natural gas;
(f) the installation of NGV fuel systems, containers, and refuelling stations;
(g) the storage and utilization of compressed natural gas on boats;
(h) the installation of vehicle-refuelling appliances when NGV storage
containers are installed as part of the system;
(i) refrigerated storage or underground reservoirs for propane;
(j) propane used on boats;
(k) propane used as a propellent in aerosol containers;
(l) butane fuel cylinders of 250 g capacity or less; and
(m) the installation of containers and equipment to be used for propane in
distribution locations and filling plants and on tank trucks, tank trailers,
and cargo liners.

1.3
Where the term "gas" is used, the requirements of this Code apply equally to
and include any of the following gases or mixtures of them: natural gas,
manufactured gas, or mixtures of propane gas and air, propane, propylene,
butanes (normal butane or isobutane), and butylenes.

1.4
For the purpose of this Code, the requirements contained in CGSB Standard
CAN/CGSB-3.14 for propane or CAN/CGSB-3.13 for butane apply.

1.5
The values given in yard-pound units are the standard. The values given in
parentheses are for information only.