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Publications B109-17

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B109-17 - Natural gas for vehicles installation code

Publication Year:

  • 2017

Total Pages:

78

Publisher:

  • CSA
B109-17 - Natural gas for vehicles installation code

Preface

This is the third edition of CSA B109, Natural gas for vehicles installation code. It supersedes the previous edition published in 2014 under the same title and the 2001 edition, published under the title Natural gas for vehicles installation code - Part 1 Compressed natural gas.

This Code consists of the following:

a) CSA B109, Part 1 - Compressed natural gas; and

b) CSA B109, Part 2 - Liquefied natural gas.

Changes in this edition include the following:

a) separated CNG and LNG coverage into standalone distinct sections (Part 1-CNG; Part-LNG);

b) added coverage for dual fuel vehicles to recognize emerging technology;

c) removed allowance of ISO 11439 containers since these are not recognized by Transport Canada; and

d) changed protection from heat sources from a prescriptive requirement to a performance requirement.

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B109-17, Part 1 - Compressed natural gas

Scope

1.1
This Code applies to the installation, inspection, repair, and maintenance of the fuel storage and delivery system installed in powered industrial truck applications and vehicles for use with compressed natural gas (CNG). This includes fuel systems on self-propelled vehicles for the provision of motive power.

Regulatory requirements might supersede the requirements of this Code.

1.2
This Code does not apply to

a) stationary engines;

b) mobile equipment using natural gas as a fuel for other than propulsion;

c) LNG fuel storage systems*;

d) electronic components of a fuel management system;

e) storage or utilization of natural gas on marine vessels or rail vehicles;

f) recreational all terrain vehicles;

g) motorcycles; and

h) vehicles (including their containers) qualified under the Canadian Motor Vehicle Safety Regulations.

* Part 2 of this Code covers LNG fuel systems.

1.3
The values given in SI units are the units of record for the purposes of this Code. The values given in parentheses are for information and comparison only.

Notes:

1) IEEE/ASTM SI 10 or ISO 80000-1 can be used as a guide when converting Imperial units to metric units.

2) Where the word "gallon" is used in this Code, it indicates a U.S. gallon equivalent to 3.785 liters water capacity.

1.4
All references to "psi" throughout this Code are to be considered gauge pressures, unless otherwise specified.

See Annex H for additional information about the units of measurement used in this Code.

1.5
In this Code, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the Code; "should" is used to express a recommendation or that which is advised but not required; and "may" is used to express an option or that which is permissible within the limits of the Code.

Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.

Notes to tables and figures are considered part of the table or figure and may be written as requirements.

Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.

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B109-17, Part 2 - Liquefied natural gas

Scope

1.1
This Code applies to the installation, inspection, repair, and maintenance of the fuel storage and delivery system installed in powered industrial truck applications and vehicles for use with liquefied natural gas (LNG). This includes fuel systems on self-propelled vehicles for the provision of motive power.

Regulatory requirements might supersede the requirements of this Code.

1.2
This Code does not apply to

a) stationary engines;

b) mobile equipment using natural gas as a fuel for other than propulsion;

c) electronic components of a fuel management system;

d) storage or utilization of natural gas on marine vessels or rail vehicles or transportation by tanker truck;

e) recreational all-terrain vehicles; and

f) motorcycles.

1.3
The values given in SI units are the units of record for the purposes of this Code. The values given in parentheses are for information and comparison only.

Notes:

1) IEEE/ASTM SI 10 or ISO 80000-1 can be used as a guide when converting Imperial units to metric units.

2) Where the word "gallon" is used in this Code, it indicates a U.S. gallon equivalent to 3.785 liters water capacity.

1.4
All references to "psi" throughout this Code are to be considered gauge pressures, unless otherwise specified.

See Annex E for additional information about the units of measurement used in this Code.

1.5
In this Code, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the Code; "should" is used to express a recommendation or that which is advised but not required; and "may" is used to express an option or that which is permissible within the limits of the Code.

Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.

Notes to tables and figures are considered part of the table or figure and may be written as requirements.

Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.

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