# Directive 2009/45/EC of the European Parliament and of the Council of 6 May 2009 on safety rules and standards for passenger ships (Recast) (Text with EEA relevance), Division: NEW CLASS B, C AND D AND EXISTING CLASS B SHIPS:

Extent: E+W+S+N.I.

up to 250 passengers one main engine pump and one independent power pump, located and powered outside the engine room,
over 250 passengers one main engine pump and two independent power pumps, one of which has to be located and powered outside the engine room.
The main engine pump may be replaced by one independent power pump.
The drainage of very small compartments may be dealt with movable hand pumps.

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Source: https://www.legislation.gov.uk/eudr/2009/45/annex/I/chapter/2/part/C/division/4/division/1 (the official version)
Page: https://openlegislation.uk/eu-directive-2009-45/annex-I/chapter-2/part-C/division-4/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.