Merchant Shipping Act, 1951 (Act No. 57 of 1951)SchedulesSecond ScheduleProtocol of 1978 Relating to the International Convention for the Safety of Life at Sea, 1974AnnexChapter II-2 : Construction—Fire Protection, Fire Detection and Fire ExtinctionPart F — Special Fire Safety Measures for Existing Passenger ShipsRegulation 68 : Openings in main vertical zone bulkheads |
(a) | The ship shall comply substantially with Regulation 29 (1948). |
(b) | Fire doors shall be of steel or equivalent material with or without noncombustible insulation. |
(c) | In the case of ventilation trunks and ducts having a cross-sectional area of 0,02 square metres (31 square inches) or more which pass through main zone divisions, the following additional provisions shall apply: |
(i) | For trunks and ducts having cross-sectional areas between 0,02 square metres (31 square inches) and 0,075 square metres (116 square inches) inclusive, fire dampers shall be of a fail-safe automatic closing type, or such trunks and ducts shall be insulated for at least 457 millimetres (18 inches) on each side of the division to meet the applicable bulkhead requirements; |
(ii) | for trunks and ducts having a cross-sectional area exceeding 0,075 square metres (116 square inches), fire dampers shall be of a fail-safe automatic closing type. |