Draft Details

Designation:CSA B401.4
Source:CSA
Contact name:Sunny Attarde
Review start date:Jun 13, 2025
Review end date:Aug 12, 2025
Categories:Electrical
Contact email:thuy.ton(at)csagroup.org
Draft Scope/Description:

1.1 Inclusions

1.1.1 Vehicle maintenance

This Code applies to the portions of a battery electric and hybrid vehicle maintenance, depot, and support facilities where vehicles are charged, stored, maintained, repaired and areas and systems ancillary thereto. If a vehicle being maintained has multiple fuels and one of the fuels is compressed hydrogen gas, then the requirements of B401.3 Code would apply.

Note: See Annex D for explanatory material.

1.1.2 Vehicle parking

This Code also contains information on private parking structures where battery electric and hybrid vehicles are parked or stored, including areas and systems ancillary thereto. See Annex C.

1.1.3 Parking structure requirements

For purposes of this Code, private parking structures have the same requirements as minor repair areas.

1.2 Exclusions

The scope of this Code does not include

other fuels used for vehicles;

natural gas vehicle maintenance facilities, which are covered in CSA B401.1;

propane vehicle maintenance facilities, which are covered in CSA B401.2; or

compressed hydrogen vehicle maintenance facilities, which are covered in CSA B401.3.

1.3 Purpose

The purpose of this Code is to provide reasonable means to manage the risks associated with the maintenance, repair, and storage of battery electric and hybrid vehicles.

Note: See Annex D for explanatory material.

1.4 Terminology

The terms “park” and “store” and all derivatives thereof are used interchangeably in this Code.

1.5 Units of record

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) Less than 1 m will be shown in mm.

3) 1 m or more will be shown in m to the nearest 0.1 m.

4) Ft/in conversions will be rounded to the nearest full inch using traditional rounding conventions.

5) Pressures will be rounded to the nearest whole value using traditional rounding conventions.

6) Where the word “gallon” is used in this Code, it indicates a U.S. gallon equivalent to 3.785 L water capacity.

1.6 Mandatory language

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.

Note: See Annex D for explanatory material.

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