4. In addition to the requirements of these Regulations, vessels making international voyages shall comply with the Safety Convention.

5. Notwithstanding anything in these Regulations,

• (a) subject to paragraph (b), the Board may, if satisfied that it can with propriety do so, exempt any ship from full compliance with any of the requirements of these Regulations; and

• (b) in the case of a Safety Convention ship, where these Regulations require that the hull of a ship be constructed in a particular manner or that a particular provision be made, the Board may allow the hull to be constructed in any other manner or allow any other provision to be made if it is satisfied that such other manner of construction or such other provision is at least as effective as that required by these Regulations.

• 6. (1) For the purposes of these Regulations, passenger ships are classified as follows:

  • (a) Class I, consisting of steamships certified to carry more than 12 passengers on international voyages that are not short international voyages;

  • (b) Class II, consisting of steamships certified to carry more than 12 passengers on short international voyages;

  • (c) Class III, consisting of steamships certified to carry passengers on home-trade voyages, Class I, or home-trade voyages Class II, that are not international voyages;

  • (d) Class IV, consisting of steamships certified to carry passengers on home-trade voyages, Class III, that are not international voyages;

  • (e) Class V, consisting of steamships certified to carry passengers on home-trade voyages, Class IV, that are not international voyages;

  • (f) Class VI, consisting of steamships certified to carry passengers on inland voyages, Class I;

  • (g) Class VII, consisting of steamships certified to carry passengers on inland voyages, Class II, or minor waters voyages, Class I; and

  • (h) Class VIII, consisting of steamships certified to carry passengers on minor waters voyages, Class II.

• (2) A reference to a home-trade, inland waters or minor waters voyage by class means that class as defined in the Home-Trade, Inland and Minor Waters Voyages Regulations.

7. The structural strength of every ship to which these Regulations apply shall be sufficient for the service for which the ship is intended; the plans specified in Schedule VI of the Hull Inspection Regulations shall be prepared taking full cognizance of all applicable requirements specified herein.

8. This Part applies to the following classes of ships if those ships are carrying more than 12 passengers:

• (a) steamships of Class I and Class II; and

• (b) steamships of 150 tons, gross tonnage, or over, that are ships of Class III or Class IV.

9. Every ship shall be subdivided into compartments by bulkheads that are watertight up to the bulkhead deck, the maximum length of which compartments shall be calculated in accordance with such of the provisions of Schedule I as apply to that ship; every other portion of the internal structure that affects the efficiency of the subdivision of the ship shall be watertight, and shall be of a design that will maintain the integrity of the subdivision.