718. (1) On a vessel, an enclosed space that contains a source of gasoline vapour shall have, in accordance with the construction standards, a natural ventilation system designed to remove any accumulation of combustible vapours.
(2) A compartment that, in accordance with the construction standards, has the characteristics of an open space is not required to have a natural ventilation system.
(3) On a vessel that is propelled by an outboard engine, any space that is under an engine well or that does not have the characteristics of an open space, and that is capable of accommodating a 23 L portable gasoline tank but is not designed to do so, shall display a safety notice to indicate that the space is not to be used for gasoline tank storage.
(4) No supply or exhaust ducting that forms part of the ventilation system shall open into any accommodation space.
719. On a vessel other than a personal watercraft, an enclosed space that contains a gasoline engine shall meet the following conditions:
(a) its ventilation system shall be supplemented by powered ventilation in accordance with the construction standards; and
(b) at each engine ignition switch, a safety notice shall be displayed indicating that the blower is to be operated for four minutes before the engine is started and containing the information set out in the construction standards.
720. On a vessel, a space that contains a combustion engine shall be ventilated to ensure a sufficient supply of air for combustion and cooling.
721. (1) No person shall install a fuel-burning appliance or system on a vessel unless the appliance or system and its installation conform to the recommended practices and standards.
(2) No person shall install on a passenger-carrying vessel a fuel-burning appliance or system that uses gaseous fuel, liquefied petroleum gas, compressed natural gas or naphtha.
(3) No person shall install a fuel-burning appliance or system that uses gaseous fuel, liquefied petroleum gas, compressed natural gas or naphtha on a vessel in a manner that permits or is likely to permit ingress or trapping of the fuel or vapours below deck.
722. No person shall install below deck or enclose by boxing, on a vessel, an inboard engine that uses gasoline as a fuel unless the design of the carburetor or throttle body fuel injector, if any, is in accordance with the construction standards and the carburetor is fitted with a flame arrestor that meets those standards.
723. No person shall install or maintain a fuel tank or a fuel system on a vessel in a manner that permits or is likely to permit leakage of fuel or spillage of fuel.
724. (1) A fuel system on a vessel shall be installed, tested and maintained in accordance with the construction standards.
(2) A fitting, joint or connection on a fuel system shall be accessible.
(3) A component of a fuel system shall be liquid-tight and vapour-tight to the hull interior in accordance with the construction standards.
(4) On a vessel other than a personal watercraft, a fuel tank, fuel filter or fuel-line fitting shall not be installed over a source of ignition.
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