Hull Construction Regulations
245 (1) The number of skylights, openings in funnels, doors and ventilators used for ventilating a machinery space shall be kept or reduced to the minimum consistent with the need for ventilation and the proper and safe working of the ship.
(2) Skylights fitted in machinery spaces shall be made of steel and shall not be fitted with port lights or windows.
(3) Windows shall not be fitted in machinery space boundaries but may be fitted in control rooms within a machinery space.
(4) Means of control shall be provided for
(a) opening and closing skylights;
(b) closing openings in funnels that normally allow exhaust ventilation;
(c) closing ventilator dampers;
(d) closing openings that permit the release of smoke; and
(e) stopping ventilating fans.
(5) The means of control referred to in subsection (4) shall be located in a place that is outside the machinery space that they serve so that they will not be isolated in the event of a fire in that space.
- SOR/83-521, s. 4
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