SECTION 4.11  TANK VEHICLES

Subsection 4.11.1.  Application

Application

4.11.1.1.  This Section applies to tank vehicles when located on a property to which this Code applies.

Subsection 4.11.2.  General

Portable extinguishers

4.11.2.1.  (1)  A tank vehicle shall be provided with at least one portable extinguisher having a minimum rating of 80B:C.

(2)  Portable extinguishers on a tank vehicle shall be readily accessible.

Hot works

4.11.2.2.  Hot works performed on or in close proximity to a tank vehicle shall conform to Section 5.17.

Parking inside buildings

4.11.2.3.  (1)  A tank vehicle shall not be parked inside a building unless

(a)   the building is specifically designed for that purpose,
(b)   there is sufficient space in the tank vehicle compartment to accommodate the thermal expansion of the flammable liquid or combustible liquid, and
(c)   the tank vehicle has no leaks of flammable liquid or combustible liquid.

Parking outside buildings

4.11.2.4.  (1)  Subject to Sentence (2), a tank vehicle shall not be left unattended by the vehicle operator outside a building for more than 1 h.

(2)  A tank vehicle is permitted to be left unattended by the vehicle operator outside a building for more than 1 h, but only in a parking space

(a)   that is located not less than 15 m from a building, and
(b)   where the tank vehicle is not exposed to undue hazard from accident or collision.

Subsection 4.11.3.  Loading, Unloading and Dispensing from Tank Vehicles

Loading and unloading

4.11.3.1.  Unless otherwise stated in this Subsection, the loading and unloading of tank vehicles shall be conducted in conformance with the applicable provisions in Subsection 4.6.4.

Ignition sources

4.11.3.2.  During loading and unloading operations, a tank vehicle and its delivery equipment shall be separated from other ignition sources by not less than 6 m.

Static electric charges

4.11.3.3.  During loading and unloading of a tank vehicle, measures shall be taken against static electric charges in conformance with Articles 4.1.8.2. and 4.6.4.5.

Supervision

4.11.3.4.  During loading and unloading of a tank vehicle, trained personnel shall be in a position to shut off the flow of liquid in an emergency.

Multi-use compartments

4.11.3.5.  When a compartment of a tank vehicle has been used to carry a Class I liquid, the compartment, piping and accessory delivery equipment shall be drained of liquid before a Class II or IIIA liquid is loaded.

Engine

4.11.3.6.  When loading or unloading of Class I liquids is done without the use of the engine of the tank vehicle, the engine ignition shall be shut off during the transfer operations.

Unloading

4.11.3.7.  (1)  Before a tank vehicle is unloaded, the volume of liquid in the receiving tank shall be measured to ensure that the tank can accept the volume to be unloaded.

(2)  If the vents of the receiving or delivery tank are obstructed, the transfer of liquid shall be stopped.

(3)  A tank vehicle shall not be parked on a street, shoulder or sidewalk while unloading at a fuel dispensing station.

Dispensing into vehicles

4.11.3.8.  The dispensing of fuel from a tank vehicle directly into the fuel tank of a vehicle shall comply with Article 4.11.3.8. of Division B of NRC, “National Fire Code of Canada”.