10 Ten-year service
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC.1/Circular.1432 – Revised Guidelines for the Maintenance and Inspection of Fire Protection Systems and Appliances – (31 May 2012) - Annex – Revised Guidelines for the Maintenance and Inspection of Fire Protection Systems and Appliances - 10 Ten-year service

10 Ten-year service

 At least once every 10 years, the following inspections should be carried out for the specified equipment:

  10.1 Fixed gas fire-extinguishing systems

  • .1 perform a hydrostatic test and internal examination of 10 per cent of the system's extinguishing agent and pilot cylinders. If one or more cylinders fail, a total of 50 per cent of the onboard cylinders should be tested. If further cylinders fail, all cylinders should be tested;

  • .2 flexible hoses should be replaced at the intervals recommended by the manufacturer and not exceeding every 10 years; and

  • .3 if permitted by the Administration, visual inspection and NDT (non-destructive testing) of halon cylinders may be performed in lieu of hydrostatic testing.

  10.2 Water mist, water spray and sprinkler systems

 Perform a hydrostatic test and internal examination for gas and water pressure cylinders according to flag Administration guidelines or, where these do not exist, EN 1968:2002 + A1.

  10.3 Fixed dry chemical powder systems

 Subject all powder containment vessels to hydrostatic or non-destructive testing carried out by an accredited service agent.

  10.4 Fixed aerosol extinguishing systems

 Condensed or dispersed aerosol generators to be renewed in accordance with manufacturer's recommendations.

  10.5 Wheeled (mobile) fire extinguishers

 All extinguishers together with propellant cartridges should be hydrostatically tested by specially trained persons in accordance with recognized standards or the manufacturer's instructions.

Parent topic: Annex – Revised Guidelines for the Maintenance and Inspection of Fire Protection Systems and Appliances
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