Government of Canada / Gouvernement du Canada
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Marine Machinery Regulations

Version of section 2 from 2006-03-22 to 2021-06-22:

  •  (1) In these Regulations,


    Act means the Canada Shipping Act; (Loi)

    approved classification society

    approved classification society means the American Bureau of Shipping, Bureau Veritas (Canada), Det norske Veritas, Lloyd’s Register of Shipping or Germanischer Lloyd; (société de classification agréée)

    assigned working pressure

    assigned working pressure means the maximum fluid pressure to which the component with the lowest design working pressure in a system may be subjected and above which the system is protected from overpressure; (pression de service effective)

    auxiliary steering gear

    auxiliary steering gear means the arrangements provided for effecting movement of the rudder of a ship in the event of failure of the main steering gear, but does not include the rudder stock, tiller or quadrant, or the component serving the same purpose as the tiller or quadrant, or, where fitted, the automatic-pilot system; (appareil à gouverner auxiliaire)


    boiler means a plant that generates steam or hot water under pressure by means of a flame, combustion gases or electrical heating elements, and includes the superheaters, economizers, valves and components necessary for the safety and operation of the plant; (chaudière)

    classification society

    classification society means a society or association for the classification of ships; (société de classification)


    component means a unit or part of a unit that is identified in rules or codes and is to be installed as part of machinery; (élément)

    component inspection certificate

    component inspection certificate means a certificate referred to in section 16; (certificat d’inspection d’élément)

    design working pressure

    design working pressure means the maximum fluid pressure to which a component may be subjected during operating conditions; (pression de service nominale)


    fluid means a gas, vapour or liquid; (fluide)

    fuel oil unit

    fuel oil unit means the facility, including pressure pumps, filters and heaters, dealing with oil at a pressure in excess of 180 kPa and used in the preparation of fuel oil for delivery to an oil-fired boiler or, where the oil is heated prior to delivery, to an internal combustion engine; (appareil à mazout)

    harmful substance

    harmful substance means waste as defined in the Arctic Waters Pollution Prevention Act or pollutant as defined in section 673 of the Act; (substance nocive)

    inspection certificate

    inspection certificate means an inspection certificate referred to in Part V of the Act; (certificat d’inspection)


    inspector means a person appointed as a steamship inspector pursuant to section 301 of the Act; (inspecteur)


    launch means a ship that has an open cockpit or a cockpit covered by a light trunk cabin in which passengers may be carried; (chaloupe)


    length means

    • (a) in the case of a Safety Convention passenger ship, the horizontal distance measured between perpendiculars erected at the extreme ends of the deepest subdivision load line,

    • (b) in the case of a ship, other than a Safety Convention passenger ship, that is required to be registered pursuant to the Act,

      • (i) the distance measured from the fore-part of the uppermost end of the stem to the aft side of the head of the stern post, except that where a stern post is not fitted to the ship, it is the distance from the fore-part of the uppermost end of the stem to the foreside of the head of the rudder stock,

      • (ii) where the ship has no rudder stock or has a rudder stock situated outside the hull at the stern, the distance measured from the foreside of the foremost permanent structure to the aft side of the aftermost permanent structure of the ship, but not including guards or rubbing strakes, or

      • (iii) where the ship is a double-ended ship, the distance measured from the aft side of the forward rudder stock to the foreside of the aft rudder stock, and

    • (c) in the case of a ship that is not required to be registered pursuant to the Act, the horizontal distance measured between perpendiculars erected at the extreme outside ends of the hull; (longueur)

    liquefied petroleum gas

    liquefied petroleum gas means a liquefied inflammable gas that is composed predominantly of hydrocarbons or mixtures of hydrocarbons such as propane, propylene, butane, butylene or butadene, and that has a Reid vapour pressure exceeding 276 kPa absolute at 38° C; (gaz de pétrole liquéfié)

    local steering gear control system

    local steering gear control system means a system by which required rudder movements are transmitted to the steering gear power unit controls from a position within the steering gear compartment; (système local de commande de 1‘appareil à gouverner)

    machinery spaces

    machinery spaces means machinery spaces of category A and all other spaces containing propelling machinery, steering gears, boilers, steam and internal combustion engines, generators and major electrical machinery, oil filling stations, refrigerating, stabilizing, ventilation and air-conditioning machinery, and similar spaces, and trunks to the spaces; (tranche des machines)

    machinery spaces of category A

    machinery spaces of category A means

    • (a) spaces that contain

      • (i) internal combustion-type machinery used for main propulsion or, where the aggregate of total power output is not less than 373 kW, for purposes other than main propulsion,

      • (ii) an oil-fired boiler, or

      • (iii) a fuel oil unit, and

    • (b) trunks to spaces referred to in paragraph (a); (tranche des machines de catégorie A)

    main steering gear

    main steering gear means the main steering gear power unit and actuator by which torque is applied to the rudder stock for the purposes of effecting movement of the rudder to steer a ship; (appareil à gouverner principal)

    major repairs

    major repairs means repairs or alterations to machinery that substantially alter the capacity, size or type of the machinery; (réparations majeures)

    material test certificate

    material test certificate means a certificate referred to in section 10; (certificat d’essai de matériau)

    periodic general inspection

    periodic general inspection means a periodic general inspection described in subsection 19(2); (inspection périodique générale)

    periodic special inspection

    periodic special inspection means a periodic special inspection described in subsection 20(1); (inspection périodique spéciale)

    pressure vessel

    pressure vessel means a boiler or an unfired pressure vessel; (récipient sous pression)

    remote steering gear control system

    remote steering gear control system means the system by which required rudder movements are transmitted to the steering gear power unit controls from the bridge or another location in a ship, excluding the steering gear compartment; (système de commande à distance de l’appareil à gouverner)

    rudder actuator

    rudder actuator means a unit transmitting torque to a rudder stock

    • (a) through an externally connected tiller, quadrant or similar component, or

    • (b) directly through an integrally housed vane or similar component; (actionneur de gouvernail)

    rules or codes

    rules or codes means rules, regulations or codes relating to the construction, installation and inspection of marine machinery, issued by an approved classification society; (règles ou codes)

    shipside door-operating mechanism

    shipside door-operating mechanism means machinery employed in the opening and closing of a hull door, visor or roll on/roll off ramp of a ship, but does not include the door, visor or ramp or any locking device; (mécanisme de manoeuvre des portes de muraille)

    steering gear power unit

    steering gear power unit means

    • (a) in the case of an electric steering gear, an electric motor and its associated electrical arrangements,

    • (b) in the case of an electro-hydraulic steering gear, an electric motor, and its associated electrical arrangements and the connected hydraulic pump, and

    • (c) in the case of a hydraulic steering gear, the driving engine and connected hydraulic pump; (groupe moteur d’appareil à gouverner)

    test pressure

    test pressure means the maximum pressure to which the fluid in a component or system may be subjected during inspection; (pression d’essai)

    unfired pressure vessel

    unfired pressure vessel means a container subjected to internal or external pressure, where the pressure is produced without the application of heat from an external source or by the application of heat from an indirect source or by any combination thereof, and includes condensers, evaporators, air receivers, hydro-pneumatic tanks, hydraulic accumulators, heat exchangers and similar components, but does not include cooling or heating spaces of engines, pumps, compressors, piping and similar components; (récipient sous pression non chauffé)


    windlass means the machinery and arrangements principally employed in the lowering and raising of the anchors of a ship, but does not include the anchors and cables. (guindeau)

  • (2) The units of measurement used in these Regulations are as defined in the Metric Practice Guide published by the Canadian Standards Association.

  • (3) Unless specifically stated otherwise, all prescribed pressures are gauge pressures.

  • SOR/2002-428, s. 1

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