Hull Construction Regulations — 100
100 In this Part, approved means approved by the Board or, in the case of a ship under 30.5 m in length, approved by the steamship inspector in charge of steamship inspection for the region in which the ship is inspected; ( approuvé ) bow section means the foremost (a) one-third length of a ship, in the case of a ship 15.25 m in length or under, (b) 5.2 m of a ship, in the case of a ship over 15.25 m but under 21.35 m in length, and (c) one-quarter length of a ship, in the case of a ship 21.35 m in length or over; ( partie avant ) breadth means the maximum breadth of a ship, measured amidships, (a) in the case of a ship with a metal shell, to the moulded line of the frame, and (b) in the case of a ship with a shell of a material other than metal, to the outer surface of the hull; ( largeur ) certificate means a Cargo Ship Safety Construction Certificate, or an inspection certificate issued by a steamship inspector pursuant to section 319 of the Canada Shipping Act ; ( certificat ) clear opening means an opening of any shape through which the largest sphere that may be passed is one of a diameter equal to the dimension specified for the opening; ( ouverture libre ) engine room means all the main propelling machinery space of the ship; ( chambre de machines ) existing ship means a ship that is not a new ship; ( navire existant ) exterior means in direct contact with the weather; ( extérieur ) forecastle means a continuous superstructure extending aft from the bow; ( gaillard ) interior means not in direct contact with the weather; ( intérieur ) length has the same meaning as in Part VII; ( longueur ) main deck means the uppermost weathertight deck extending from side to side of the ship and includes any stepped portions thereof, but does not include any part of a superstructure deck where the deck next beneath the superstructure deck extends from side to side of the ship, is weathertight and is not stepped down inside the superstructure; ( pont principal ) new ship means (a) a ship the keel of which was laid on or after April 1, 1972, (b) a ship, other than a Canadian ship, the keel of which was laid before April 1, 1972, and that is registered or licensed in Canada on or after that date, and (c) a ship declared by the Board to be a new ship pursuant to section 102; ( navire neuf ) superstructure means a decked weathertight structure (a) extending from side to side of a ship, or (b) with the side plating not being inboard of the shell plating by more than four per cent of the breadth of the ship, the tops of the deck beams of which are not less than 1.83 m vertically above the tops of the deck beams of the deck on which the structure is set; ( superstructure ) tow means to pull or push any floating object; ( remorquer ) watertight compartment means, in respect of a ship, a space below the main deck that is enclosed by the shell, watertight bulkheads and decks, or by watertight bulkheads and decks and into which direct access from the main deck is gained by means of a hatch or entrance through which downflooding could occur; ( compartiment étanche ) weathertight means capable of preventing the passage of water from exterior space to interior space in any weather condition. ( étanche aux intempéries ) SOR/95-254, ss. 12, 32