Annex – Unified Interpretations Relating to the Application of SOLAS Regulations II-2/10.2.1.3, II-2/10.2.2.4.1.2, II-2/10.7.3.2.3 and II-2/19.3.1, as Amended, and Paragraph 2.2.1.1 of Chapter 12 of the FSS Code
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Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC.1/Circular.1550 – Unified Interpretations Relating to the Application of SOLAS Regulations II-2/10.2.1.3, II-2/10.2.2.4.1.2, II-2/10.7.3.2.3 and II-2/19.3.1, as Amended, and Paragraph 2.2.1.1 of Chapter 12 of the FSS Code – (25 November 2016) - Annex – Unified Interpretations Relating to the Application of SOLAS Regulations II-2/10.2.1.3, II-2/10.2.2.4.1.2, II-2/10.7.3.2.3 and II-2/19.3.1, as Amended, and Paragraph 2.2.1.1 of Chapter 12 of the FSS Code

Annex – Unified Interpretations Relating to the Application of SOLAS Regulations II-2/10.2.1.3, II-2/10.2.2.4.1.2, II-2/10.7.3.2.3 and II-2/19.3.1, as Amended, and Paragraph 2.2.1.1 of Chapter 12 of the FSS Code

 SOLAS regulation II-2/10 – Fire fighting

SOLAS regulation II-2/19 – Carriage of dangerous goods

FSS Code, chapter 12 – Fixed emergency fire pumps

1 On board cargo ships designed to carry five or more tiers of containers on or above the weather deck:

  • .1 in cases where the mobile water monitors are supplied by separate pumps and piping system, the total capacity of the main fire pumps need not exceed 180 m3/h and the diameter of the fire main and water service pipes (hereinafter referred to "the pipework diameter") need only be sufficient for the discharge of 140 m3/h;

  • .2 in cases where the mobile water monitors are supplied by the main fire pumps; the total capacity of required main fire pumps and the pipework diameter should be sufficient for simultaneously supplying both the required number of fire hoses and mobile water monitors. However, the total capacity should not be less than the following subparagraphs .1 or .2, whichever is smaller:

    • .1 four thirds of the quantity required under regulation II-1/35-1 to be dealt with by each of the independent bilge pumps in a passenger ship of the same dimension when employed in bilge pumping; or

    • .2 180 m3/h.

  • .3 in cases where the mobile water monitors and the "water spray system" (fixed arrangement of spraying nozzles or flooding the cargo space with water) required by SOLAS regulation II-2/19.3.1.3 are supplied by the main fire pumps, the total capacity of the main fire pumps and the pipework diameter need only be sufficient to supply whichever of the following is the greater:

    • .1 the mobile water monitors and the four nozzles required by SOLAS regulation II-2/19.3.1.2; or

    • .2 the four nozzles required by SOLAS regulation II-2/19.3.1.2 and the water spray system required by SOLAS regulation II-2/19.3.1.3.

    • The total capacity, however, should not be less than the capacity required in paragraph 1.2.1 or 1.2.2, whichever is smaller.

2 On board cargo ships designed to carry five or more tiers of containers on or above the weather deck, the total capacity of the emergency fire pump need not exceed 72 m3/h.

Parent topic: MSC.1/Circular.1550 – Unified Interpretations Relating to the Application of SOLAS Regulations II-2/10.2.1.3, II-2/10.2.2.4.1.2, II-2/10.7.3.2.3 and II-2/19.3.1, as Amended, and Paragraph 2.2.1.1 of Chapter 12 of the FSS Code – (25 November 2016)
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