| Portable and wheeled fire extinguishers — inspection | Annual | IMO Res. A.951(23), §9.1 (portable) · MSC.1/Circ.1432, §7.12 (wheeled) | safety clip, pressure indicator, weight against full charge, hose and nozzle; powder units inverted |
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| Fire extinguishers — five-year service | 5-yearly | IMO Res. A.951(23), §9.1.1 (portable) · MSC.1/Circ.1432, §9.6 (wheeled) | one of each type manufactured that year: portables test discharged in a drill, wheeled examined |
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| Extinguisher bodies and propellant cartridges — hydrostatic test | 10-yearly | IMO Res. A.951(23), §9.1.2 (portable) · MSC.1/Circ.1432, §10.5 (wheeled) | to the recognised standard or maker's instruction; date stamped on the body; failures replaced |
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| Fixed CO₂ system — annual inspection | Annual | MSC.1/Circ.1318/Rev.1, §5 | boundary openings, containers, piping, nozzles, manifold, flexible hoses, entrance doors, warning signs |
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| Fixed CO₂ cylinders — contents verified by weighing | 2-yearly ±3 months (passenger ships); at each intermediate, periodical or renewal survey (cargo ships) | MSC.1/Circ.1318/Rev.1, §6.1.1 | cylinders below 90% of nominal charge are refilled |
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| Fixed CO₂ cylinders — hydrostatic test, hose renewal | 10-yearly | MSC.1/Circ.1318/Rev.1, §6.1.2 | at least 10% internally inspected and hydrostatically tested at the 10-year inspection, 50% if one fails and all if further cylinders fail; and all cylinders before the 20-year anniversary and at every 10-year anniversary after that |
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| Fixed foam, water-mist and sprinkler systems — test | Annual; foam concentrate control tests not more than 3 years after supply and every year thereafter — protein-based alcohol-resistant concentrates before delivery and annually from the start | MSC.1/Circ.1432, §7.4 and §7.5 · MSC.1/Circ.1312, §5 (concentrate) | concentrate sampled aboard, analysed ashore; proportioners tested to +30/-10% at five years (§9.2.4) |
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| Fire main, pumps, hydrants, nozzles and hoses | Annual; every hose length pressure tested within 5 years | MSC.1/Circ.1432, §7.1 | hose sample tested at maximum fire main pressure; emergency fire pump and shore connection checked |
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| Fixed fire detection and alarm — functional test | Annual | MSC.1/Circ.1432, §7.2 | gas detection carries no interval here — the detector maker's schedule and flag or class apply |
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| Breathing apparatus, breathing-air quality and EEBD | Annual | MSC.1/Circ.1432, §7.8 and §7.8.1 | face masks and demand valves checked, recharging air analysed against EN 12021; gauges weekly (§4.5) |
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| SCBA cylinders — hydrostatic test | 5-yearly (steel cylinders) | MSC.1/Circ.1432, §9.4 | aluminium and composite to the satisfaction of the Administration; retest date stamped on the cylinder |
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| Fire dampers and ventilation closing appliances — remote operation test | Annual | MSC.1/Circ.1432, §7.6.1 (fire dampers, remote operation) · §7.6.3 (ventilation controls interconnected with fire-protection systems) | each damper operated from its remote position and reset; local damper operation is quarterly (§6.3). Firefighter's outfits carry no annual interval in MSC.1/Circ.1432 — §5.5 is a monthly check that the outfit locker is complete and serviceable — and engine-room quick-closing valves fall outside the circular; both are worked to the maker's schedule and to flag or class requirements |
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| Safety equipment surveys — cargo and passenger ships | Cargo: annual ±3 months, periodical at the 2nd or 3rd anniversary, renewal ≤5 years · Passenger: 12-monthly | SOLAS Reg. I/8 (cargo ships, 500 GT and over) · SOLAS Reg. I/7 (passenger ships) | the survey itself is carried out by the flag Administration or its Recognised Organisation — this row is the deadline the service work is planned against, not a survey we perform; the periodical survey takes the place of that year's annual survey |
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| Discharged extinguisher; any system not immediately ready | Immediately | SOLAS II-2/14.2 — operational readiness | recharged or replaced with an equivalent unit; alternative cover in place while work is in hand |
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