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Vessel Fire Safety Regulations (SOR/2017-14)

Regulations are current to 2020-11-02

PART 2Structural Fire Protection — Alternatives for Certain Vessels (continued)

Requirements (continued)

Ventilation Systems

Stopping and Closing
  •  (1) Means must be provided for closing the main inlets and outlets of every ventilation system from a position outside the space served by the system. The means of closing must

    • (a) be readily accessible;

    • (b) be prominently and permanently marked as being the main inlet or outlet to the space; and

    • (c) indicate whether the inlets and outlets are open or closed.

  • (2) Power ventilation of accommodation spaces, service spaces, cargo spaces, control stations and machinery spaces must be capable of being stopped from a readily accessible position outside the space or station served. Access to this position must not be easily cut off in the event of a fire in the space served.

  • (3) Means of control must be provided for stopping ventilation fans. The means must

    • (a) if they are provided for stopping the ventilation serving machinery spaces, be grouped so as to be operable from two positions, one of which is outside those spaces; and

    • (b) if they are provided for stopping the ventilation of the machinery spaces, be entirely separate from the means provided for stopping the ventilation of other spaces.

  • (4) The means of control that are required by subsection (3) to be located outside the machinery spaces must be arranged so that a source of power to stop the fans and close the main openings is provided

    • (a) from each individual motor control circuit; or

    • (b) from a dedicated source of power feeding an individual motor, or a group of motors connected to a motor control centre for a particular space, without any shunt-trip arrangements.

  • (5) A stop circuit of the means of control referred to in subsection (4) that is activated manually must be manually reset.

  • (6) Means must be provided for closing, from a safe position, the annular spaces around funnels.

Ventilation Openings
  •  (1) A ventilation opening must not be installed in or under a stairway enclosure door.

  • (2) Any ventilation opening in a door in a corridor bulkhead must be in the lower half of the door and must be fitted with a grille made of non-combustible material.

  • (3) The total net area of a ventilation opening in or under a door in a corridor bulkhead must not be more than 0.05 m2.

Ventilation Ducts
  •  (1) A ventilation duct that serves a machinery space of category A or a galley must not pass through an accommodation space, service space or control station unless

    • (a) the ventilation duct is made of steel that is supported, stiffened and of one of the following thicknesses:

      • (i) 3 mm, if the width or diameter of the duct is not more than 300 mm,

      • (ii) 5 mm, if the width or diameter of the duct is 760 mm or more, or

      • (iii) the thickness obtained by linear interpolation between the thicknesses set out in subparagraphs (i) and (ii), if the width or diameter of the duct is more than 300 mm but less than 760 mm; and

    • (b) the ventilation duct

      • (i) is insulated to an A-60 class fire rating throughout the accommodation space, service space or control station, or

      • (ii) meets the following requirements:

        • (A) it is fitted, at each of the space’s or station’s divisions that is penetrated by the duct, with a fail-safe automatic-closing fire damper that can be operated from both sides of the division, and

        • (B) it is insulated to an A-60 class fire rating from the machinery space or galley to a point at least 5 m beyond each fire damper.

  • (2) A ventilation duct that serves an accommodation space, service space or control station must not pass through a machinery space of category A or a galley unless

    • (a) the ventilation duct meets the requirements of paragraph (1)(a); and

    • (b) the ventilation duct

      • (i) is insulated to an A-60 class fire rating throughout the machinery space or galley, or

      • (ii) meets the following requirements:

        • (A) it is fitted, at each of the space’s or station’s divisions that is penetrated by the duct, with a fail-safe automatic-closing fire damper that can be operated from both sides of the division, and

        • (B) it is insulated to an A-60 class fire rating from the accommodation space, service space or control station to a point at least 5 m beyond each fire damper.

Storerooms that Contain Highly Flammable Materials
  •  (1) A storeroom that contains highly flammable materials must be provided with a ventilation system that is separate from the ventilation systems serving other spaces.

  • (2) The ventilation system must ventilate high and low levels of the storeroom. Every inlet or outlet of the system must be positioned in an area free from flammable gases.

  • (3) A wire mesh guard that is corrosion-resistant and arrests sparks must be fitted over the opening of the inlet or outlet.

Independent Ventilation Systems

 A ventilation system that serves a machinery space, galley, stairway enclosure, cargo space or special category space must not serve another space and must be independent of every other ventilation system.

Non-combustible Materials — Trunks and Ducts
  •  (1) The trunks and ducts of ventilation systems must be constructed of non-combustible materials.

  • (2) If a trunk or duct serves spaces on both sides of an “A” class division, fire dampers must be fitted so as to prevent the spread of fire and smoke between compartments. Manual fire dampers must be operable from both sides of the division.

  • (3) If a trunk or duct has a free cross-sectional area of more than 0.02 m2 and passes through an “A” class division, the trunk or duct must be fitted with an automatic-closing fire damper.

  • (4) If a trunk or duct serves compartments situated on only one side of an “A” class division, the opening in the division must be lined with a steel sheet sleeve unless the trunk or duct passing through the division is of steel in the vicinity of the passage and unless the portion of the trunk or duct in that vicinity

    • (a) has sleeves that are at least 3 mm thick and 900 mm long and is insulated with fire insulation that has at least the same fire integrity as the division, if the trunk or duct has a free cross-sectional area of more than 0.02 m2; or

    • (b) is fitted with automatic fire dampers that can be operated manually, if the trunk or duct has a free cross-sectional area of more than 0.085 m2.

  • (5) A sleeve referred to in paragraph (4)(a) that passes through a bulkhead must be of the same length on either side of the bulkhead.

  • (6) Paragraph (4)(b) does not apply if the trunk or duct passes through a space surrounded by “A” class divisions without serving that space and the trunk or duct has the same fire integrity as the divisions through which it passes.

Electric Radiators

  •  (1) Every electric radiator must be fixed in position.

  • (2) An electric radiator must not be fitted with a heating element exposed to such an extent that clothing, curtains or other similar materials could be scorched or set on fire by heat from the element.

Exposed Surfaces

  •  (1) The exposed surfaces within accommodation spaces, service spaces, control stations or corridor or stairway enclosures, and the concealed surfaces behind bulkheads, ceilings, panelling or linings in accommodation spaces, service spaces or control stations, must meet the flame spread, smoke and toxicity requirements set out in Annex 1 to the FTP Code.

  • (2) The exposed surfaces of glass-reinforced plastic within accommodation spaces, service spaces, control stations, machinery spaces of category A or other machinery spaces of similar fire risk to machinery spaces of category A must

    • (a) be coated with a final layer of fire retardant resin;

    • (b) be coated with a fire retardant coating; or

    • (c) be protected by non-combustible materials that meet the requirements for non-combustible materials set out in Annex 1 to the FTP Code.

  • (3) The paints, varnishes and other finishes used on any exposed interior surface must be a fire retardant coating.

 
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