5 Intervals of Periodic Controls
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Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC.1/Circular.1312 – Revised Guidelines for the Performance and Testing Criteria, and Surveys of Foam Concentrates for Fixed Fire-Extinguishing Systems – (10 June 2009) - Annex – Revised Guidelines for the Performance and Testing Criteria, and Surveys of Foam Concentrates for Fixed Fire-Extinguishing Systems - 5 Intervals of Periodic Controls

5 Intervals of Periodic Controls

 Except for tests in accordance with paragraph 4.7 the first periodical control of foam concentrates should be performed not more than 3 years after being supplied to the ship, and after that, every year. The tests required by paragraph 4.7 should be performed prior to delivery to the ship and annually thereafter.

Typical form of polyethylene tube

Collecting vessel for determination of expansion and drainage time

Foam collector for expansion and drainage measurement

Note Suitable materials for the collection surface are stainless steel, aluminium, brass or plastics

Foam-making nozzle; all dimensions in millimetres

 See attached sketches

Parent topic: Annex – Revised Guidelines for the Performance and Testing Criteria, and Surveys of Foam Concentrates for Fixed Fire-Extinguishing Systems
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