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Hull Construction Regulations

Version of section 145 from 2006-03-22 to 2017-02-02:

  •  (1) Subject to subsections (2) and (3), every machinery space of Category A shall be

    • (a) positioned aft of any cargo tank or slop tank;

    • (b) isolated from any cargo tank or slop tank by a coffer-dam, a cargo pump room or an oil fuel bunker tank; and

    • (c) where it is isolated from a cargo tank or slop tank by a coffer-dam or a cargo pump room, positioned aft of such coffer-dam or cargo pump room.

  • (2) Subject to subsection (3), the lower portion of a cargo pump room may be recessed into a machinery space of Category A to accommodate pumps if the height of the recess is not more than one-third of the molded depth.

  • (3) The lower portion of a cargo pump room may be recessed into a machinery space of Category A in excess of the height set out in subsection (2) where

    • (a) for reasons of access and satisfactory piping arrangements the requirements of subsection (2) are impracticable;

    • (b) the height of the recess does not exceed one- half of the molded depth; and

    • (c) the ship in respect of which the cargo pump room is to be recessed is not more than 25 000 tonnes deadweight.

  • (4) Subject to subsection (5), every accommodation space, cargo control station, control station and service space, excluding any isolated cargo handling gear locker, shall be positioned aft of

    • (a) any cargo tank or slop tank; and

    • (b) any cargo pump room or coffer-dam that isolates a cargo tank or slop tank from a machinery space of Category A in accordance with subsection (1).

  • (5) The Board may permit an accommodation space, control station, machinery space, other than a machinery space of Category A, or service space to be positioned forward of any cargo tank, slop tank, cargo pump room or coffer-dam if the Board is satisfied that

    • (a) a standard of safety equivalent to the standard that would be established under subsection (4) will be attained; and

    • (b) appropriate fire extinguishing equipment will be provided.

  • (6) Where any space used for navigation purposes is located above a cargo tank area, that space shall be

    • (a) used for navigation purposes only;

    • (b) separated from the cargo tank deck by means of an open space of a height of not less than 2 m; and

    • (c) protected from fire in the same manner as a control station.

  • (7) Where a deck on which oil spills may occur contains any accommodation space or service space, the deck shall be fitted with a continuous coaming extending from side to side of the ship or other suitable means for keeping oil spills on deck away from such spaces.

  • (8) Any opening in the cargo tank area or the boundary of a superstructure or a deckhouse shall be arranged to

    • (a) minimize the possibility of gas entering an enclosed space containing a source of ignition; and

    • (b) prevent gas from accumulating in the vicinity of any deck machinery or equipment that may constitute an ignition hazard.

  • (9) Any source of ignition such as electrical equipment shall be arranged so as to avoid the dangers of explosion.

  • SOR/78-605, s. 3
  • SOR/83-521, s. 4
  • SOR/90-240, s. 4

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