| Suction heads of fixed emergency fire pumps |
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According to this interpretation, it is stipulated that the suction should be submerged at the waterlines corresponding to the level of 2/3 immersion of the propeller at even keel and the arrival ballast condition without cargo and with 10% stores/fuel etc. And this interpretation is applied to ships constructed on or after 1 January 2012 (reference is made to the Attachment 1). This interpretation is based on the IACS Unified Interpretation (IACS UI), and in response to the above approval of MSC.1/Circ.1388, IACS adopted IACS UI SC 178(rev.1) in accordance with the prescription MSC.1/Circ.1388 for ships contracted for construction on or after 1 January 2012 (reference is made to the Attachment 2). IACS decided this contracted base application scheme, mainly because the impact*note 1) of this UI is expected to be quite large for ship designing. ClassNK has been contacting each flag state whether IACS UI SC 178(rev.1) is acceptable, i.e., contracted base application. Please be advised the summary of each flag state's reply/instruction as the following item 2. *Note 1) This UI stipulates that the emergency fire pump should work on shallower draft condition than one previously considered. 2. Each flag state's reply/instruction for Unified Interpretation regarding the suction heads of fixed emergency fire pumps For more info download attachement E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it
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The Maritime Safety Committee at the eighty-eighth session (MSC88) held in December 2010, approved the unified interpretation of the provision of chapter of the FSS Code Chapter 12.2.2.1.3 regarding the suction heads of fixed emergency fire pumps as IMO MSC.1/Circ. 1388.
