Forward
In 1958 the Canadian Standards Association published the first edition of CSA Standard B149, Installation Code for Gas Burning Appliances and Equipment. It was superseded by later editions in 1962 and 1966.
Following the publication of the 1966 edition, the decision was taken to split the Code into two parts, the first part to be designated B149.1 dealing with the installation requirements for appliances and equipment burning natural gas. The second part, designated B149.2, would cover the installation of appliances and equipment propane. As a first step it was decided to prepare B149.2 which was published in 1969.
CGA was accredited by the Standards. Council of Canada as the standards writing organization for. gas burning appliances and equipment and In this connection took over responsibility for B149 in 1974. This new edition supersedes the CGA B149.1:1976 and CAN1· B149.1-78.
This Code Is Intended to establish essential requirements and minimum standards for the Installation of natural gas burning appliances and equipment for adoption by the enforcing authorities. The Code Is Intended to be used within the scope described on page thirteen. It Is the responsibility of theuser.to determine in each case that the Code is suitable for the specific application.
Scope
1.1 General
1.1.1
This Code applies to the Installation of
(a) appliances, equipment, components and accessories where gas-Is to be used for fuel purposes and
(b) piping and tubing systems extending from the termination of the utility Installation
1.1.2
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,
(d) storage and handling of liquefied natural gas or under· ground reservoirs for natural gas or
(f) storage and handling of compressed natural gas.
1.1.3
Where the term gas Is used, the requirements of this Code : shall 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.
1.1.4
Where the word shall Is used In this Code, this Indicates a requirement.
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