Government of Canada / Gouvernement du Canada
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Hull Construction Regulations

Version of section 2 from 2006-03-22 to 2017-02-02:

 In these Regulations,

‘A’ Class division

‘A’ Class division means a bulkhead or part of a deck complying with the requirements of subsection 41(1); (cloison type A)

accommodation space

accommodation space includes

  • (a) passenger spaces,

  • (b) crew space,

  • (c) offices,

  • (d) pantries, and

  • (e) space similar to any of the foregoing not being service spaces or open spaces on deck; (locaux habités)


approved means approved by the Board; (approuvé)

‘B’ Class division

‘B’ Class division means a bulkhead complying with the requirements of subsection 41(2); (cloison type B)


Board means the Board of Steamship Inspection; (Bureau)

breadth of the ship

breadth of the ship means the greatest moulded breadth at or below the ship’s deepest subdivision load water line; (largeur du navire)

bulkhead deck

bulkhead deck means the uppermost deck up to which transverse watertight bulkheads are carried; (pont de cloisonnement)


Chairman means the Chairman of the Board of Steamship Inspection; (président)

combustible material

combustible material means material other than incombustible material; (matériau combustible)

control station

control station includes

  • (a) a radio room, and

  • (b) any other enclosed space that houses

    • (i) a compass, a direction-finder, radar equipment, a steering wheel or other similar equipment used in navigation,

    • (ii) a central indicator connected with a system for the detection of fire or smoke, or

    • (iii) an emergency generator; (poste de sécurité)

criterion numeral

criterion numeral, in relation to any ship, means the criterion numeral of the ship determined in accordance with the provisions of section 5 of Schedule I; (critérium)

deepest subdivision loadline

deepest subdivision loadline means the water line that corresponds to the greatest draught; (ligne de charge maximum de compartimentage)


draught means the vertical distance from the moulded base line amidships to a subdivision load water line; (tirant d’eau)

existing ship

existing ship means a ship that is not a new ship; (navire existant)

factor of subdivision

factor of subdivision, in relation to any ship or portion thereof, means the factor of subdivision determined in accordance with such of the provisions of sections 4 and 9 of Schedule I as apply to that ship or portion thereof, as the case may be; (facteur de cloisonnement)

ferry vessel

ferry vessel means any vessel, having provision only for deck passengers and for vehicles, that is operated on a short run on a schedule between two points over the most direct water route and offers a public service of a type normally attributed to a bridge or tunnel; (transbordeur)

floodable length

floodable length, in relation to any portion of a ship at any draught, means the maximum length of that portion having its centre at a given point in the ship that, at that draught and under such of the assumptions of permeability set forth in Schedule I as are applicable in the circumstances, can be flooded without submerging any part of the ship’s margin line when the ship has no list; (longueur envahissable)

hotel ship

hotel ship means a ship designed to carry passengers in which berthed accommodation is available to persons for other than the purpose of a voyage; (navire-hôtel)

incombustible material

incombustible material means material that, when heated to a temperature of 750°C, neither burns nor gives off flammable vapours in sufficient quantity to ignite at a pilot-flame; (matériau incombustible)


length, in respect of a ship, means, except in Part VII, the horizontal distance between perpendiculars erected at the extreme ends of the deepest subdivision load water line of the ship; (longueur)

machinery space

machinery space means

  • (a) in Parts III and V, the space in which propelling or refrigerating machinery, boilers, pumps, engineers’ workshops, generators, ventilation or air conditioning machinery or oil filling stations are situated, and trunkways leading to those spaces, and

  • (b) in every other Part, except Parts IX and X, the space extending from the moulded base line of the ship to the margin line and between the extreme transverse water-tight bulkheads bounding the spaces appropriated to the main and auxiliary propelling machinery, boiler and the permanent coal bunkers; (locaux de machines ou tranche des machines)

main vertical zones

main vertical zones means the main vertical zones into which the hull, superstructure and deckhouses of a ship are divided in accordance with subsection 42(2); (tranches verticales principales)

margin line

margin line means a line drawn at least 76 mm below the upper surface of the bulkhead deck at the side of a ship, and assumed for the purpose of determining the floodable length of the ship; (ligne de surimmersion)


Minister means the Minister of Transport; (ministre)

new ship

new ship means

  • (a) a Safety Convention ship the keel of which was laid on or after May 26, 1965,

  • (b) a ship, other than a passenger ship, that is converted to a Safety Convention passenger ship on or after May 26, 1965,

  • (c) a ship, other than a Safety Convention ship, the keel of which was laid on or after February 7, 1958,

  • (d) a ship that is converted to a passenger ship, other than a Safety Convention passenger ship, on or after February 7, 1958, and

  • (e) a ship that is transferred to registry in Canada after February 7, 1958; (navire neuf)


passenger means any person carried on a ship, but does not include

  • (a) a person carried on a Safety Convention ship who is

    • (i) the master or a member of the crew or a person employed or engaged in any capacity on board the ship on the business of that ship, or

    • (ii) a child under one year of age,

  • (b) a person carried on a ship that is not a Safety Convention ship who is

    • (i) the master or a member of the crew, or a person employed or engaged in any capacity on board the ship on the business of that ship,

    • (ii) the owner or charterer of the ship, a member of his family or a servant connected with his household,

    • (iii) a guest of the owner or charterer of the ship if it is used exclusively for pleasure and the guest is carried on the ship without remuneration or any object of profit, or

    • (iv) a child under one year of age, or

  • (c) a person carried on any ship in pursuance of the obligation laid upon the master to carry shipwrecked, distressed or other persons or by reason of any circumstances that neither the master nor the owner nor the charterer, if any, could have prevented or forestalled; (passager)

passenger ship

passenger ship means a ship carrying passengers, and passenger steamship means a steamship carrying passengers and in the case of a Safety Convention ship means a steamship carrying more than 12 passengers; (navire à passagers)

passenger space

passenger space means space provided for the use of passengers; (espace à passagers)


permeability, in relation to a space, means the percentage of that space below the ship’s margin line that, on the assumption that it is in use for the purpose for which it is appropriated, can be occupied by water; (perméabilité)

public rooms

public rooms includes halls, dining rooms, bars, smoke rooms, lounges, recreation rooms, nurseries and libraries; (locaux de réunion)

radiotelegraph room

radiotelegraph room[Repealed, SOR/2000-264, s. 1]

Safety Convention ship

Safety Convention ship means a ship to which the Safety Convention applies; (navire ressortissant à la Convention de sécurité)

service space

service space includes galleys, main pantries, laundries, store rooms, paint rooms, baggage rooms, mail rooms, bullion rooms, carpenters’ and plumbers’ workshops, and trunkways leading to such spaces; (locaux de service)


ship[Repealed, SOR/95-254, s. 1]

short international voyage

short international voyage means an international voyage from a port in one country to a port in another country, in the course of which a ship is not more than 200 nautical miles from a port or place in which the passengers and crew may be placed in safety, and which does not exceed 600 nautical miles in length between the last port of call in the country in which the voyage begins and the final port of destination; (voyage international court)

standard fire test

standard fire test means a test that develops in a test furnace a series of time-temperature relationships as follows:

  • (a) at the end of the first 5 minutes, 538°C,

  • (b) at the end of the first 10 minutes, 704°C,

  • (c) at the end of the first 30 minutes, 843°C,

  • (d) at the end of the first 60 minutes, 927°C; (essai au feu standard)


steamship means a ship propelled by machinery; (navire à vapeur)

subdivision load water line

subdivision load water line means the water line assumed in determining the subdivision of the ship in accordance with these Regulations; (ligne de charge de compartimentage)


superstructure means, except in Part VIII, a decked structure above the bulkhead deck

  • (a) extending from side to side of the ship, or

  • (b) the side plating of which is not inboard of the shell plating by more than four per cent of the breadth of the ship; (superstructure)


watertight, in relation to a structure, means the structure is capable of preventing the passage of water through it in any direction, under a head of water up to the ship’s margin line; (étanche)


weathertight, in relation to a structure, means the structure is capable of preventing the passage of sea water through it in ordinary sea conditions. (étanche aux intempéries)

  • SOR/78-605, s. 1
  • SOR/81-86, s. 1
  • SOR/83-521, s. 1
  • SOR/90-240, s. 1
  • SOR/95-254, ss. 1, 32
  • SOR/2000-264, s. 1

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