F1ANNEX ISAFETY REQUIREMENTS FOR NEW AND EXISTING PASSENGER SHIPS ENGAGED ON DOMESTIC VOYAGES
F1CHAPTER II-1
CONSTRUCTION — SUBDIVISION AND STABILITY, MACHINERY AND ELECTRICAL INSTALLATIONS
F1PART B
INTACT STABILITY, SUBDIVISION AND DAMAGE STABILITY
F115Openings in the shell plating below the margin line (R 17)
NEW CLASS B, C AND D AND EXISTING CLASS B SHIPS:
F1.1
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F1.2
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F1.2.2
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F1.2.3
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F1.2.4
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F1.2.5
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F1.3
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F1.4
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F1.4.1Subject to the requirements of the International Convention on Load Lines in force, and except as provided in paragraph .5, each separate discharge led through the shell plating from spaces below the margin line shall be provided with either one automatic nonreturn valve fitted with a positive means of closing it from above the bulkhead deck or with two automatic nonreturn valves without positive means of closing, provided that the inboard valve is situated above the deepest subdivision load line and is always accessible for examination under service conditions.
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F1.4.2
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F1.5Machinery space main and auxiliary sea inlets and discharges in connection with the operation of machinery shall be fitted with readily accessible valves between the pipes and the shell plating or between the pipes and fabricated boxes attached to the shell plating. The valves may be controlled locally and shall be provided with indicators showing whether they are open or closed.
NEW CLASS B, C AND D SHIPS:
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F1.6
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F1.7
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F1.8
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Repealed by Directive 2009/45/EC of the European Parliament and of the Council of 6 May 2009 on safety rules and standards for passenger ships (Recast) (Text with EEA relevance).