Draft Details

1.1 Inclusions

This Document specifies the requirements and minimum standards for the design and manufacture, installation and operation of portable, transportable and mobile hydrogen fuelling units. These systems include:

a)    transportable refuelling systems that are intended to be removed from the delivery vehicle or trailer and placed on the ground to perform dispensing operations;

b)    mobile fuelling units that are permanently affixed to a stationary wheeled trailer; and

c)    “wet hose” mobile refuelling units that can deliver hydrogen to vehicles on road or in the field.

1.2 Exclusions

This Document does not apply to:

a)    permanently installed hydrogen refuelling equipment, facilities, stations and systems;

b)   transfer of gaseous hydrogen (GH2) from the GH2 vehicle fuel storage system of one vehicle to the GH2 vehicle storage system of another vehicle;

c)    the defuelling of hydrogen powered vehicles;

d)   listed hydrogen residential fuelling appliances; or

e)    mobile equipment containing compressed hydrogen or cryogenic hydrogen in the act of being transported or offered for transport in accordance with Transport Canada or U.S. Department of Transportation regulations.

1.3 Conflicts

In case of conflict between this Document and federal, provincial, state, or local regulations, governmental regulations take precedence.

1.4 Pressure terminology

All references to pressure throughout this Document are to be considered gauge pressure unless otherwise specified.

1.5 Terminology

In this Document, “shall’ is used to express a requirement; “should” is used to express a recommendation or that which is advised but not required; “may” is used to express an option or that which is permissible within the limits of the Document.

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.

1.6 Use of measure

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