2.2 Increase of carbon dioxide fire-extinguishing media
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Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC/Circular.1087 – Guidelines for Partially Weathertight Hatchway Covers on board Containerships – (Adopted on 18 June 2003) - Annex - Guidelines for Partially Weathertight Hatchway Covers on board Containerships - 2 Increase of Carbon Dioxide Fire-Extinguishing Media for Fixed Gas Fire-Extinguishing Systems - 2.2 Increase of carbon dioxide fire-extinguishing media

2.2 Increase of carbon dioxide fire-extinguishing media

 If a container cargo hold fitted with partially weathertight hatchway covers is protected by a fixed carbon dioxide fire-extinguishing system, the amount of carbon dioxide for the cargo space should be increased in accordance with one of the following formulae, as appropriate:

(2.2 – 1)
(2.2 – 2)

where:

  • : increase of carbon dioxide for cargo spaces not intended for carriage of motor vehicles with fuel in their tanks for their own propulsion (kg);
  • : increase of carbon dioxide for cargo spaces intended for carriage of motor vehicles with fuel in their tanks for their own propulsion (kg);
  • AT : total maximum area of clear gaps (m2); and
  • B : breadth of cargo space protected by the carbon dioxide fire-extinguishing systems (m).
Parent topic: 2 Increase of Carbon Dioxide Fire-Extinguishing Media for Fixed Gas Fire-Extinguishing Systems
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